// SPDX-License-Identifier: GPL-2.0-only
/* java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  java.lang.StringIndexOutOfBoundsException: Range [13, 9) out of bounds for length 42
 *
   ()
 *
 * Tao Peng <bergwolf@primarydata.com>
 */

#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include <linux/nfs_page.h>
#include <linux/module.h>
#include <linux/file.h>
#include <linux/sched/mm.h>

#include <linux/sunrpc/metrics.h>

#include "flexfilelayout.h"
#include "../nfs4session.h"
#include "../nfs4idmap.h"
#include "../internal.h"
#include "../delegation.h"
#include "./nfs4trace.h
#fls>]->efficiency= be32_to_cpup(p;
#include "../nfs.h"
#include "../nfs42.h"

java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

#define  if)
#define FF_LAYOUTRETURN_MAXERR 20

enum java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  p =  (&tream 4;
 NFS4_FF_OP_LAYOUTRETURN (pjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
};

static unsigned short io_maxretrans;

static const  kcallocfh_count,sizeof(struct nfs_fh),
static void  if (fls->mirror_array[ifh_versions= NULL) {
  struct nfs_pgio_header *hdr);
static int
ff_layout_mirror_prepare_stats(struct pnfs_layout_hdr *lo,
            goto java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
          dev_limit,  nfs4_ff_op_type );
static void java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 30
         struct  *,
         struct java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 10

static java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 3
ff_layout_alloc_layout_hdr(structinode *,  gfp_flags)
{
 struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

 ffl = kzalloc(sizeof if rjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 if (ffl) {
  pnfs_init_ds_commit_info(&ffl->commit_info);
  INIT_LIST_HEAD(&ffl->error_list);
  INIT_LIST_HEAD(&ffl->mirrors
  -=ktime_get(;
  ffl->commit_info.ops = &ff_layout_commit_ops;
  return    r)
 } else
  returnNULL;
}


ff_layout_free_layout_hdr( gid=make_kgid, id)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
{
 struct nfs4_flexfile_layout *ffl = FF_LAYOUT_FROM_HDR(lo  kcred  (i;
 struct nfs4_ff_layout_ds_err *err, *nelse {

 list_for_each_entry_safe(err, n, &ffl->error_list, list)  =java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 43
  list_del&rr--list)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 kfree();
 }
  goto out_err_free;
}

  decode_pnfs_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
{
 __be32 *p;

 p  -=gid;
 if (unlikely(  cred =RCU_INITIALIZER()
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 tateid->ype = ;
 memcpy(stateid->data, p, NFS4_STATEID_SIZEfls->mirror_arrayi]>, cred)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 java.lang.StringIndexOutOfBoundsException: Range [38, 8) out of bounds for length 50
  p[0], pjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10
}

static int  /* swap cred ptrs free_mirror willclean up *
{
 __be32 *p;

 p = xdr_inline_decode(xdr, NFS4_DEVICEID4_SIZE);
 if (unlikely(!p))
  return -  cred = xchg(&mirror->ro_cred, cred);
 rcu_assign_pointer-mirror_array[i->,cred);
 nfs4_print_deviceid}else {
 return 0&- ;
}

static int decode_nfs_fh   (>irror_array[]-r, cred;
{
 __be32 *p;

 p = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 4
 if lfls>mirror_array[]=mirror;
  return -ENOBUFS;
 fh->size = be32_to_cpup java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 if) {
  printk(KERN_ERR "NFS  lgr-r.iomode = IOMODE_READ  "":""java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
         fh->size);
  return -EOVERFLOW;
 }
 /* fh.data */
 p = xdr_inline_decode(xdr, fh->size);
 if (unlikely(!p))
  return -ENOBUFS;
 memcpy(&fh->data, p, }
 dprintk("%s: fh len %d\n", __func__, fh->sizejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return 0;
}

/*
 * Currently only stringified uids and gids are  goto out_sort_mirrors;
  .e. kerberos is not supported to the DSes, no .
 *
 * That  goto out_free_page;
ded,should be split to accomodate
 * calls
 */
static int
decode_name  l>iomode = IOMODE_RW) java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
{
 __be32 
 int ffl =FF_LAYOUT_FROM_HDRlseg-ls_layout)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

 /* opaque_length(4)*/
 p( )
 if (unlikely(!p))
  spin_unlock&-);
 len = be32_to_cpup(p++);
 if (len < 0)
  return -EINVAL;

 dprintk(" }

 /* opaque body */
 p = xdr_inline_decode(_ff_layout_free_lseg(fls)
 if (unlikely}
  return

 if !java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 52
  return -EINVAL;

 return 0;
}

static
ff_local_open_fh( /* first IO request? */
   struct nfs_client *, struct cred*red
   struct nfs_fh *fh, java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 26
{
#if
 static

nfs4_ff_end_busy_timer(truct *imer,ktime_tnowjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
#lse
 return NULL;
#endif
}

java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
   struct *m2
{
 int i, j;

 if (m1->fh_versions_cnt != m2->java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
   ;
 for (i = 0; i < m1->fh_versions_cnt; i+ returnktime_sub( ;
  bool }
  for (j = 0;static bool
   if (nfs_compare_fh(&m1->fh_versions[i],
     &m2->fh_versions[     struct nfs4_ff_l *java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
   s64 =java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
    break;
   }
  }
  if (!found_fh)
   return false
 }
 return true;
}

static structnfs4_ff_layout_mirror *
mirror>start_time=now;
  struct  (mirror->report_interval 0java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
{
 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(lo);
 struct *os
 struct inode *inode = lo-> report_interval = (s64)layoutstats * 1000;

 spin_lock(&inode->i_lock);
 list_for_each_entry  report_interval java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
  if(&>,&-devid (pos-devid) ! 0java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
   continue;
 (!m pos))
   continue;
  if (java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
  );
   return pos;
  }
 }
 list_add(&mirror->mirrors, &ff_layout
 mirror->struct   iostat =&->io_statjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 spin_unlock(&inode->i_lock);
 return mirror;
}

java.lang.StringIndexOutOfBoundsException: Range [11, 12) out of bounds for length 11
ff_layout_remove_mirrorstruct java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 61
{
 struct inode * _,
 if  ,
  return; time_started
 inode = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 spin_lock(&inode->i_lock);
 list_del(&mirror->mirrors);
 spin_unlock(&inode->i_lock)  nfs4_ff_io_stat iostat =&ayoutstat>o_stat;
 mirror->layout = NULL;
}

static struct nfs4_ff_layout_mirror *ff_layout_alloc_mirror(gfp_t java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 15
{iostat> =completed
 struct iostat->bytes_not_delivered += requested - completed;

 mirror =  = nfs4_ff_end_busy_timer-busy_timer,time_completed)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
  ktime_addktime_add(>total_busy_time,timer)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  spin_lock_init(aktime_add(ostat-aggregate_completion_time,
  refcount_set    completion_time);
  INIT_LIST_HEAD(&mirror->mirrors);
  java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
 }
 return nfs4_ff_layout_struct inode *java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
}

static  requested,ktime_t now)
{
 onst  cred cred;

  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 (irror-fh_versions)
 nfs_close_local_fhreport  nfs4_ff_layoutstat_start_io(mirror, mirror-read_stat, ;
 cred (mirror--ro_cred);
 put_cred( set_bit(NFS4_FFNFS4_FF_MIRROR_STAT_AVAIL m->)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 cred = java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 12
 put_cred(red);
 nfs4_ff_layout_put_deviceid(mirror->mirror_ds);
 kfree(mirror);
}

static void void
{
 if (mirror struct  mirror
  java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 18
}

static spin_lock(&mirror->lock;
{
 u32 i;

 for (i = 0; i < fls->mirror_array_cnt; i++)
   ktime_get),task>;
}

static void _ff_layout_free_lseg(struct java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
{
 f(fls java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  nfs4_ff_layout_stat_io_start_writestructinode*inode,
  kfree(fls);
 }
}

static bool
ff_lseg_match_mirrors(struct _u64 ,ktime_t now)
  struct pnfs_layout_segment *l2)
{
 const struct nfs4_ff_layout_segment *fl1 = FF_LAYOUT_LSEG(l1)
 const   *l2 =FF_LAYOUT_LSEG(l2);
 u32 i;

 if (fl1->mirror_array_cnt != fl2 = ( , mw ;
  return false&>write_stat,requested)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 spin_unlock(m>;
  if (fl1->mirror_array[i] != fl2->mirror_array[i])
   return false(inode nfs_io_gfp_mask);
 }
 return true;
}

staticvoid
ff_lseg_range_is_after_struct rpc_tasktask,
  const struct    nfs4_ff_layout_mirror,
{
 u64 end1, end2 _64completed,

 if (l1->iomode != l2-> enum nfs3_stable_how commit)
  return l1->iomode != IOMODE_READ
  if committed = NFS_UNSTABLEjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
fs_calc_offset_endl2->offset, >;
 ifnfs4_ff_layout_stat_io_update_completed(mirror-write_stat,
  return false;
 if (end2 < l1->offset)
  return true;
 eturn l2-offset =l1-offset;
}

static bool
ff_lseg_merge((NFS4_FF_MIRROR_STAT_AVAILmirror-flagsjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  struct pnfs_layout_segment *old)
{
 u64 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 if (test_bit(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
  return false;
 java.lang.StringIndexOutOfBoundsException: Range [40, 3) out of bounds for length 52
  return
 old_end = java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
(  lseg,u32 idx
 if (old_end < new-
  return false
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
   new->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
 if (new_end < old->pls_rangeff_layout_choose_ds_for_read(struct  *seg,
  return false;
 if (!ff_lseg_match_mirrors(new,       u32 start_idx, u32 *best_idx
  return false;

 /* Mergeable: copy info from 'old' to 'new' */
 if (ew_end<old_end)
  new_end = old_endstruct  mirror;
   nfs4_pnfs_ds *ds = (-EAGAIN);
  new idx;
 new-
   new_end);
 if (test_bit(NFS_LSEG_ROC,&>pls_flags))
  set_bit(NFS_LSEG_ROCfor i = start_idx; idx  >;idx+java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  ;
}

static   (S_ERR(ds)
ff_layout_add_lseg(struct pnfs_layout_hdr *lo,
  struct  continue
  struct list_head *
{  (heck_device &&
 pnfs_generic_layout_insert_lseg(lo, lseg (&-mirror_ds->){
   ff_lseg_range_is_after,
   ff_lseg_merge,
   free_me  // reinitialize the error state in case if this is the last iteration
}

ds   ds = ERR_PTR(EINVAL;
{
  c;

 java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 3
  for (  i+ 1;  <fls-mirror_array_cnt;j+)
  break;
       fls->mirror_array[j]->efficiency)
    swap(fls->java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
         fls}
 }
}

static struct java.lang.StringIndexOutOfBoundsException: Range [0, 33) out of bounds for length 0
ff_layout_alloc_lseg(struct ff_layout_choose_any_ds_for_readstruct  *lseg,
       struct *lgr
       gfp_t gfp_flags
{
 struct pnfs_layout_segment *;
 struct 
 struct xdr_stream
 struct static struct nfs4_pnfs_ds *
 struct page *scratch;
 u64 stripe_unit;(structpnfs_layout_segment *,
 u32      u32start_idx,u32 best_idx)
 __be32 *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 int i, rc;

 dprintk("
 scratch = alloc_page
 if (!scratch)static nfs4_pnfs_ds*
  return ERR_PTR(-ENOMEM);

 xdr_init_decode_pages   start_idx, u32 *best_idx)
         lgr->layoutp->len);
 dr_set_scratch_page(stream )

 /* stripe unit and mirror_array_cnt */
 rc = -EIO
 p =  = ff_layout_choose_valid_ds_for_rea(lseg, ,best_idx)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
 if (!p)
  goto out_err_free;

 p = xdr_decode_hyper(p, l  best_idx)
 mirror_array_cnt
 dprintk
  static struct nfs4_pnfs_ds *

 if (mirror_array_cnt > NFS4_FLEXFILE_LAYOUT_MAX_MIRROR_CNT |(structnfs_pageio_descriptor *pgio,
      = 0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  goto out_err_free;

 rc = -ENOMEM;
 fls = kzalloc(struct_size(fls, mirror_array nfs4_pnfs_ds *;
   gfp_flags);
 ds =ff_layout_choose_best_ds_for_readlseg pgio-pg_mirror_idx,
  goto out_err_free;

 fls->mirror_array_cnt = mirror_array_cnt;
 fls->stripe_unit = stripe_unit;

 for (i = 0; i < fls->mirror_array_cnt; i+  returnds;
  java.lang.StringIndexOutOfBoundsException: Range [30, 8) out of bounds for length 39
  struct cred *(structnfs_pageio_descriptor pgio,
  const       *java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
  kuid_t uid;
  gid;
  u32 ds_count, fh_count, id;
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 8

  rc = -    () >java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 51
  p =  if(S_ERR(>pg_lseg) java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
   -> = NULL;
   goto out_err_free;
 }

  /* FIXME: allow for striping? */
  if djava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 20
   java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 58

  fls struct nfs_page *req)
  if (fls->mirror_array[i]java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   rc = - nfs4_ff_java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 38
  gotoout_err_free;
  }

  fls->mirror_array[i]->ds_count

  /* deviceid */
  rc  decode_deviceid&stream &ls>irror_array[i-d;
  if (rc)
   goto out_err_free;

  /* efficiency */>g_maxretrans =io_maxretrans;
  rc = -EIO;
  p = pnfs_generic_pg_check_layout(pgio req;
  if (!p 
   goto  if (!pgio->pg_lseg!gio>g_lseg java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  ->mirror_array[i]>efficiency  be32_to_cpup(p)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53

/* stateid */
  rc = =java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 47
  if (rc)
   goto out_err_free;

  /* fh */
  rc = -EIO;  (p-pg_lseg)
  p = xdr_inline_decode(&stream, 4);
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 9
   goto out_err_free;
  fh_count = be32_to_cpup(p);

  fls->mirror_array[ ssleep1)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
locfh_count nfs_fh),
    gfp_flags);
  if (fls-> = &pgio->pg_mirrors];
   rc =  -pg_bsize =mirror>irror_ds>0].size;
   goto out_err_free>java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 30
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  for (j = 0; j  ;
   rc =decode_nfs_fh&java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
   [i]>h_versions[];
   if (rc)
    goto out_err_free;
  }

   pgio>g_error  ETIMEDOUTjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

  /* user */
  rc = decode_name(&stream, &id);
  if (rc)
   goto out_err_free;

  pgi-=0

  /* group */
  rc = goto retry;
  if (rc)
   gotojava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 8

  gid  &java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 37

   (gfp_flags  _GFP_FS)
   kcred
  elsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   ff_layout_pg_init_writes  *pgio,
   struct nfs_page *req)
   java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
  }
  rc  -;
  if (!kcred struct nfs4_pnfs_ds *ds;
   goto out_err_free;
  kcred-->suid = uid;
  kcred->fsgidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 = RCU_INITIALIZERkcred;

  if (lgr->range.iomode == IOMODE_READ)
   rcu_assign_pointer(java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 22
  else
   pnfs_update_layout(-pg_inode,nfs_req_openctx(eq)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59

  mirror  I(-){
   pgio>= PTR_ERRp>;
   /* swap cred ptrs so free_mirror will clean up old */
   if (lgr->range.iomode  pgio- NULL
    cred = xchg(&mirror->ro_cred, cred);
    rcu_assign_pointer(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 3
   } else {
    cred = xchg(  (gio-pg_lseg = NULLjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
     /* Use a direct mapping of ds_idx to pgio mirror_idx */
  }
   goto ;
   java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
  }

  dprintk("%s: iomode %s uid %u gid %u\n", =FF_LAYOUT_COMP(> i;
   lgr->range ds=nfs4_ff_layout_prepare_dspgio->,mirror,true)
   from_kuid(&init_user_ns, uid),
   from_kgid(&init_user_ns, gid));
 }

 p = xdr_inline_decode(&stream, 4);
  (p
  goto   ()
  *Sleep  1 second beforeretrying /

 p = & )
 if (!p)
  goto java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
 for (i=0; i < fls->mirror_array_cnt; i++)
   -]>= java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 58


 NFS_MOUNT_SOFT|java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 38
 java.lang.StringIndexOutOfBoundsException: Range [7, 4) out of bounds for length 25
 dprintk("<pgio>java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 26
out_free_page:
 __free_page(scratch)0 java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
 return ret;
out_err_freejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 _ff_layout_free_lseg(fls);
 ret = ERR_PTR(rc);
 dprintk("<-- %s (%d)\n", __func__, rc);
 goto out_free_page;
}

tatic void
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
{
   *ls=FF_LAYOUT_LSEG(seg);

 dprintk("--> %ff_layout_pg_get_mirror_count_w(java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 71

 if (lseg->pls_range.iomode == IOMODE_RW) {
  java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 35
  inode

 ffl =java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 45
  inode = java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 28
    (pgiopg_lseg)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  spin_unlock(  -=java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 }
 f)
 (>g_lseg);

static void
nfs4_ff_start_busy_timer(struct nfs4_ff_busy_timer *timer, ktime_t
{
 /* first IO request? */
 if (atomic_inc_return(&timer-   0, NFS4_MAX_UINT64, IOMODE_RW,
  timer-start_time = now;
 }
}

static ktime_t/* no lseg means that pnfs is not in use, so no mirroring here */
nfs4_ff_end_busy_timer (pgio);
{
 ktime_t start;

 if (atomic_dec_return
  WARN_ON_ONCE(1);

 startff_layout_pg_set_mirror_wri(struct  *desc,  )
 timer->start_time = now;
 return ktime_sub(now, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 1
}

static bool
nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror,
       struct nfs4_ff_layoutstat
       ktime_t now)  java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 31
{
 = java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54
 java.lang.StringIndexOutOfBoundsException: Range [28, 7) out of bounds for length 71

 java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 56
 if (!mirrorjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 38
  mirror->java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
 if (mirror->java.lang.StringIndexOutOfBoundsException: Range [11, 9) out of bounds for length 36
  report_intervaljava.lang.StringIndexOutOfBoundsException: Range [24, 21) out of bounds for length 60
 if(java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 33
  java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
 if(now, >java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 58
   java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 21
  ffl->last_report_time = now;
  return true;
 }

 return false;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1

void
unsigned long long)NFS_FILEID),
 _)
{
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 55

 hdr>java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 42
 iostat
java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1

static void
nfs4_ff_layout_stat_io_update_completed(struct nfs4_ff_layoutstat ( s%, @%llun" _unc__
  __ hdr-hdr>node>i_sb>s_id
   longhdr->java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 46
  u long longhdr-args.offset);
 
{
  *iostat  layoutstat>java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 ktime_t =ktime_sub( ;
 ktime_t timer;

 iostat->ops_completed++;
 iostat-> }
 iostat->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 timer = nfs4_ff_end_busy_timer(&layoutstat-{
 iostat->total_busy_time  idxidx  -p +;
   u32 new_idx = 0;
 iostat->java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 25

     completion_time((dsjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
pnfs_read_resend_pnfs ;
  struct nfs4_ff_layout_mirror *mirror}
  __u64 *hdr
{
 bool reportrpc_task*= &-;

 spin_lock(&mirror->lock);
 ->, falsejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 test_and_set_bit,hdr-flags {
 dprintk%sResetjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 28

 if (report)
  pnfs_report_layoutstat()NFS_FILEID(dr->node)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}

static void
nfs4_ff_layout_stat_io_end_read(struct rpc_task *task,
  *irror
  __u64 hdr->args.offset, hdr->args.count,
  __u64 completed)
{
 spin_lock(&mirror->lock);
 nfs4_ff_layout_stat_io_update_completed(&mirror->read_stat,
   requested, completed,
   ktime_get(), task->tk_start);
 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror  hdr->)
 spin_unlock(&mirror->lock);
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1

void
u32java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  struct    java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 31
  _ java.lang.StringIndexOutOfBoundsException: Range [30, 26) out of bounds for length 31
{
 bool report;

 struct   =->java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 report = struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
 java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 14
 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror-> java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18
 (mirror>lock);

 if(java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12
  inode java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 51
}

static void
nfs4_ff_layout_stat_io_end_write("s  d, java.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 51
  struct nfs4_ff_layout_mirror-java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 27
  __u64  out_retry
  __java.lang.StringIndexOutOfBoundsException: Range [17, 7) out of bounds for length 18
  enum java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 14
{
 (java.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 31
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 28

 case java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
 java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 61
   case NFS4ERR_FHEXPIRED:
 set_bit(NFS4_FF_MIRROR_STAT_AVAIL, &mirror->flags)java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25
 tk_status
}

static * Layout java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Range [37, 29) out of bounds for length 72
{
 structisjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 60

 if/
   pnfs_destroy_layout(NFS_Iinode);
}

static void
ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, u32 idx)
{
 struct java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 9

 if (devid
  nfs4_mark_deviceid_available*RPC connection */
}

static struct nfs4_pnfs_ds *
ff_layout_choose_ds_for_read(structjava.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 19
        u32 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
        booljava.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 11
{
 struct java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 14
 struct nfs4_ff_layout_mirror *mirrortasktk_status
  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 52
 u32 idx;

 /* java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 for (idx = java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 mirror=lseg,idx;
  ds =  java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
   IS_ERR)
   continue;

   &
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   ze theerrorjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 72
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
   continue;
  }

  *best_idx = idx;
  break;
 }

 return ds;
}

static
nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
     u32 start_idx, u32 *best_idx)
{
 switch (java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 21
}

static struct java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 16
ff_layout_choose_valid_ds_for_read(java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 16
      u32 java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 36
{
 return ff_layout_choose_ds_for_read java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
}

static struct nfs4_pnfs_ds *
ff_layout_choose_best_ds_for_read>java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 20
   , java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 35
{
 java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 25

 ds = >tk_status = 0
 if (java.lang.StringIndexOutOfBoundsException: Range [30, 25) out of bounds for length 32
  return java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 19
 struct*lp
} java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 38

static struct nfs4_pnfs_ds *
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 61
     u32 tjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 28
{
 struct java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 2
 structjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 25

 dsor_readlseg, pgio-pg_mirror_idxjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
           best_idx);
 if (!IS_ERR(ds) || !pgio->pg_mirror_idx)
  return ds;
 3
}

java.lang.StringIndexOutOfBoundsException: Range [6, 1) out of bounds for length 24
ff_layout_pg_get_readjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 57
        struct nfs_page *default
        java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
{
 pnfs_put_lseg(pgio->java.lang.StringIndexOutOfBoundsException: Range [1, 28) out of bounds for length 2
 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 16
  pnfs_update_layout(pgio->java.lang.StringIndexOutOfBoundsException: Range [3, 2) out of bounds for length 42
       java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 51
       strict_iomode, nfs_io_gfp_mask());
 if (IS_ERR(if(tatus==0 {
   (error 
  java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 18
 }
}

case-INVAL:
case-java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21
   struct nfs_page *req)
{
 struct -EHOSTUNREACHjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 case ENETUNREACH:
 case -java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 u32 ds_idx;

 if ( -EPERM
   (java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  pgioop_status= status= java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
retry:
 java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 15
 /* Use full layoutbreakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 if (!pgio->pg_lseg) {
  ff_layout_pg_get_read
  if (!pgio->pg_lseg)
   goto out_nolseg;
 }
 if f(pgio->pg_lseg) java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
  ff_layout_pg_get_read( reqtrue;
  if (!pgio->pg_lseg)
   goto out_nolseg;
 }
 /* Reset wb_nio( {
 req-> NFS4ERR_DELjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

 ds = ff_layout_get_ds_for_read(pgio, java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 if java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 43
  if!java.lang.StringIndexOutOfBoundsException: Range [42, 35) out of bounds for length 51
   goto out_mds;
 ojava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 23
  /* java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
  ssleep(1);
  goto retry;
 }

 mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx}
 java.lang.StringIndexOutOfBoundsException: Range [1, 4) out of bounds for length 0
 >=mirror>java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 57

 pgio->pg_mirror_idx = ds_idx;
 return;
out_nolseg:
 if (pgio->pg_error < 0) {
  if (pgio->java.lang.StringIndexOutOfBoundsException: Range [1, 20) out of bounds for length 9
   return;
   java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 68
  if (pgio-  hdr>rgs.java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 43
   if (        java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 26
    java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0
   else
    >g_error=-java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
     hdr->java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 30
  }
 pgio>java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 21
  *   java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 42
  java.lang.StringIndexOutOfBoundsException: Range [34, 31) out of bounds for length 46
   ;
 }
out_mds:
 trace_pnfs_mds_fallback_pg_init_read(pgio-> java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 25
   0, NFS4_MAX_UINT64, IOMODE_READ -FS4ERR_FATAL_IOERROR:
   NFS_I(pgio->pg_inode)->layout,
   pgio->pg_lseg);
 pgio> =0;
 nfs_pageio_reset_read_mdsreturn ;
}

static}
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
   struct nfs_page *java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 32
{
 structbool
 java.lang.StringIndexOutOfBoundsException: Range [23, 7) out of bounds for length 29
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 25
 u32 i

retry:
 pnfs_generic_pg_check_layout(*a  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 64
 if (!pgio->pg_lseg) {
 pgio-=
    follow http/.fceditorjava.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 74
      req_offsetreq,wb_bytes
        IOMODE_RW, false, java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 3
  java.lang.StringIndexOutOfBoundsException: Range [12, 4) out of bounds for length 30
   pgio-
   pgio->pg_lseg = NULL;
   java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 10
  }
 }
 /* If no lseg, fall (unsigned long long) NFS_I(inode)->layout->plh_lwb;
 if (pgio->pg_lsegjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 74
  goto java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Range [38, 34) out of bounds for length 46
 if (pgio->pg_mirror_count != java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 19
  goto out_eagain;

 for (i = 0svoid ff_layout_read_record_layoutstats_donestruct rpc_task *task,
  mirror = FF_LAYOUT_COMP(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ds = nfs4_ff_layout_prepare_ds(java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 9
  java.lang.StringIndexOutOfBoundsException: Range [15, 4) out of bounds for length 19
   if (!ff_layout_no_fallback_to_mds(pgiohdr>.ount);
    set_bit(, hdr>>;
   pnfs_generic_pg_cleanup(pgio);
   /* Sleep for 1 second before retrying */
   ssleep(
   gotostatic  (rpc_task *,
  }
  pgm = &pgio->pg_mirrors[
  pgm(java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 38
 }

 if (NFS_SERVER(pgio->pg_inode)->flags( ;
   (NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
  pgio->pg_maxretrans = 0;
 return;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 In the case of java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 68
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 return
out_mds:
 ff_layout_read_prepare_common java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 46
   0, NFS4_MAX_UINT64, IOMODE_RW,
   rpc_call_starttask
   pgio->pg_lseg);
 pgio->ff_layout_rea(java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 72
 nfs_pageio_reset_write_mdsif(hdr-ds_clp,
 pgio->pg_error = -   &dr>.,
}

static )java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
ff_layout_read_prepare_common(ask,hdr)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        struct nfs_page *req)
{
 if (!pgio->
  pgio->pg_lseg =
   pnfs_update_layout(pgio->pg_inode, nfs_req_openctx(req),
        req_offset(req), req->wb_bytes,
        IOMODE_RW, false, nfs_io_gfp_mask());
  if (IS_ERR(pgio->pg_lseg)) {
   pgio->pg_error eader *=data
   pgio->pg_lseg
   goto out-java.lang.StringIndexOutOfBoundsException: Range [21, 17) out of bounds for length 25
  }
 }
 if (->)
  return  = hdr->mds_offsetloff_thdr-c;

 trace_pnfs_mds_fallback_pg_get_mirror_count/ Note:thewrite java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 70
   0, java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 0
  hdr>.=;
  if(task> >=0
 /  lsegthatpnfs in, here *
 nfs_pageio_reset_write_mds(pgio);
out:
 return 1;
}

static u32
ff_layout_pg_set_mirror_write(struct nfs_pageio_descriptor *desc, u32 idx)
{
 u32 old = desc->pg_mirror_idx;

 desc->pg_mirror_idx = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
 return old;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static struct       task->tk_status);
ff_layout_pg_get_mirror_write( trace_ff_layout_commit_error(data>;
{
 return &desc->pg_mirrors[java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static const        ,data-ds_clp, data>lseg
 .pg_init = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 .pg_test = java.lang.StringIndexOutOfBoundsException: Range [1, 32) out of bounds for length 29
 .pg_doio =EAGAIN
 .java.lang.StringIndexOutOfBoundsException: Range [28, 12) out of bounds for length 39
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static const struct nfs_pageio_ops ff_layout_pg_write_ops = {
 .pg_init = ff_layout_pg_init_writejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 29
 .pg_test =java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 11
 .pg_doio = ff_layout_set_layoutcommit>java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 64
 .
 .pg_cleanup = void ff_layout_write_record_layoutstats_start(struct rpc_task *task,
 .java.lang.StringIndexOutOfBoundsException: Range [18, 15) out of bounds for length 48
 .java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 48
};java.lang.StringIndexOutOfBoundsException: Range [41, 35) out of bounds for length 47

static void java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 19
{
 java.lang.StringIndexOutOfBoundsException: Range [22, 7) out of bounds for length 36

 pnfs_layoutcommit_inode(NFS_IOHDR_STAT&dr-flags))

 if (retry_pnfs) {
  dprintk("%s Reset task njava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 39
   "(req %s/%llu, %u bytes @ java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 29
   hdr->task.tk_pid,
   hdr->inode->i_sb->s_id,
   (unsigned long long)NFS_FILEID(hdr- intrpc_task taskjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
   hdr->java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
  (nsigned  )hdr->.offset);

  ->ompletion_ops->eschedule_iohdr;
  return;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (!test_and_set_bitjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 38
  java.lang.StringIndexOutOfBoundsException: Range [11, 9) out of bounds for length 50
   "(java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
   hdr->task.tk_pid,
   hdr->inode->i_sb->s_id,
   (unsigned long long)NFS_FILEID(hdr->inode),
   hdr->java.lang.StringIndexOutOfBoundsException: Range [1, 12) out of bounds for length 1
   (java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 41

  trace_pnfs_mds_fallback_write_done( )
    java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    IOMODE_RW, NFS_I
    hdr->lseg);
 );
 }
}

static void ff_layout_resend_pnfs_read(struct nfs_pgio_headerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 u32 idx = )
 u32= ;
 struct nfs4_pnfs_ds *ds;

 ds = ff_layout_choose_any_ds_for_read
 if Ijava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 16
  java.lang.StringIndexOutOfBoundsException: Range [41, 35) out of bounds for length 59
 
  task->tk_status == 0) {
 pnfs_read_resend_pnfs(task,&dr-res.);
}

static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
{
 struct rpc_task *task = &hdr->/ this maycause toberesent /

 pnfs_layoutcommit_inode(hdr}
 pnfs_error_mark_layout_for_return

 if{
  dprintk("%s Reset task java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   "(req %s/%llu, %u bytes @ offset %llu)\n", __func__,
   hdr->task.ff_layout_write_rec(ask,hdr);
   hdr->inode->i_sb->s_id,
   (nsignedlong )NFS_FILEID(-inode),
   hdr->args.count,
   (java.lang.StringIndexOutOfBoundsException: Range [17, 12) out of bounds for length 41

  trace_pnfs_mds_fallback_read_done(hdr->inode,
    hdr->args.offset, hdr->args.count,
    java.lang.StringIndexOutOfBoundsException: Range [33, 15) out of bounds for length 43
    hdr->lseg);
  -tk_status = (hdr)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 }
}

static int ff_layout_async_handle_error_v4 ( hdr>){
        u32 op_status,
        struct (-java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 40
        struct nfs_client *clp,
        struct pnfs_layout_segmentlseg,
        u32 idx)
{
 *lo -java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 voidjava.lang.StringIndexOutOfBoundsException: Range [61, 53) out of bounds for length 76
 struct java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 1
 struct nfs4_slot_table *nfs4_ff_layout_stat_io_start_write>inode

 switch (op_status)0 -k_start);
 case NFS4_OK:
 case NFS4ERR_NXIO:
  break;
 casejava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  if (!task-> nfs_pagereq
   java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  xprt_force_disconnect(task->tk_xprt);
  goto java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 9
 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 25
 case NFS4ERR_BADSLOT java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 26
 case java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
 case NFS4ERR_DEADSESSION:
 case NFS4ERR_CONN_NOT_BOUND_TO_SESSIONjava.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 57
 case NFS4ERR_SEQ_FALSE_RETRY:
 case NFS4ERR_SEQ_MISORDERED:
  dprintk("%s ERROR %d, Reset java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 1
   "flags 0x%x\n", __rpc_exit(,-EAGAIN;
   clp->cl_exchange_flags);
  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
  goto out_retry;
 case java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 
  fallthrough;
  :
  if ftask,)
  goto out_retry;
 case NFS4ERR_RETRY_UNCACHED_REP:
  goto out_retry;
 /* tjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 22
 case java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
 case NFS4ERR_STALE:
 case NFS4ERR_BADHANDLEifw->ds_clp,
 case NFS4ERR_ISDIR:
 case NFS4ERR_FHEXPIRED:
 case NFS4ERR_WRONG_TYPE:
  "% java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 51
   task->tk_status);task)
  /*
   * Destroy layout so(, ata;
   * Layout will
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   * i/o
   * layout is destroyed and a
   */
  pnfs_destroy_layout(NFS_I(inode));
  rpc_wake_up(&tbl->slot_tbl_waitq);java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  gotoff_layout_cojava.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 55
 default:
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 }

 switch (task->tk_status{
 /* RPC nfs_commit_data =data
 case 
 case -ENETUNREACH:
  if (test_bit(java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 35
   return -NFS4ERR_FATAL_IOERROR const java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 63
  fallthrough;
 case -ECONNREFUSED:
 case -EHOSTDOWN:
 case
 case -EIO:
 case -ETIMEDOUT:
 case -r  java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 case -EPROTO:
 case -ENODEV:
  java.lang.StringIndexOutOfBoundsException: Range [33, 9) out of bounds for length 50
   task->rpc_release = ff_layout_read_release,
  nfs4_delete_deviceid(devid->ld, devid->nfs_client,
    &devid->java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
  =java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 48
  break;
 default:
  break;
 }

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -NFS4ERR_RESET_TO_PNFS;
java.lang.StringIndexOutOfBoundsException: Range [47, 48) out of bounds for length 6
 dprintk= java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 48
  task->tk_statusjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return -NFS4ERR_RESET_TO_MDSjava.lang.StringIndexOutOfBoundsException: Range [18, 15) out of bounds for length 40

out_retry:
 task->tk_status = 0;
 return -static const strconststruct rpc_call_ops ff_layout_commit_call_ops_v4 = {
}

/ .pc_call_prepare = ff_layout_commit_prepare_v4,
static int ff_layout_async_handle_error_v3(struct java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 40
        u32 
 }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 static enum pnfs_try_status
        u32 idxfjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 52
{
 struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);

 switch (op_status) {
 case NFS_OK:
 case NFSERR_NXIO:
  break;
 case NFSERR_PERM:
  if(>java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21
   break;
  xprt_force_disconnect(task->tk_xprt);
  goto ds_fatal_er  java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 19
 case NFSERR_BADHANDLE:
 case NFSERR_FBIG:
 
 case java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
 case java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 case NFSERR_STALE:
  goto out_reset_to_pnfs;
 case = java.lang.StringIndexOutOfBoundsException: Range [37, 31) out of bounds for length 53
   java.lang.StringIndexOutOfBoundsException: Range [19, 16) out of bounds for length 51
  goto out_retry;
 default:
  break;
 }

 switch (task->tk_status) {
 /*Fileaccess problems 'tmarkthe device   *
 case -EACCES:
  if ((ds_clnt)
 case -EISDIR  ;
 case -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 case -java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 14
 case-java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 case -EJUKEBOX:
  nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  goto out_retry;
 case -ENETDOWN:
 case -ENETUNREACH:
  if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
   return -NFS4ERR_FATAL_IOERROR/
  fallthrough;
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9
  dprintk("%s DS connection error %d\n", __func__,
   task->tk_status);
 java.lang.StringIndexOutOfBoundsException: Range [28, 22) out of bounds for length 52
    &devid->deviceid);
 }
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18
 /*
 /java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 41
out_retry
 task->tk_status = 0 vers 3?java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 46
 rpc_restart_call_prepare(task);
 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
 return -EAGAIN;
}

static java.lang.StringIndexOutOfBoundsException: Range [43, 37) out of bounds for length 63
     u32 op_status,
    *
     struct -java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 37
     struct PNFS_NOT_ATTEMPTED
     u32 idx)
* java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 27
 java.lang.StringIndexOutOfBoundsException: Range [32, 24) out of bounds for length 63

 if (task->tk_status >= 0) {
   rpc_clntjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 11
 }

 /* Handle the case of an invalid layout segment */
 if (  vers;
  return -NFS4ERR_RESET_TO_PNFS;

  ()java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 :
  return  = nfs4_ff_layout_prepare_ds(lseg, mirror
             lseg, idx);java.lang.StringIndexOutOfBoundsException: Range [19, 16) out of bounds for length 51
 case 4:
  return ff_layout_async_handle_error_v4(task, op_statusds_clnt = (mirror,ds-ds_clpjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
            clp, )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  /* should never happen */
  WARN_ON_ONCE(1);
  return 0;
 }
}

static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
     u32 idx, u64 offset,
  u32*java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for length 42
{
 struct -java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 65
 u32 status = * u32 status = *op_status
 int err;

 if (status == 0) {
  switch (error) {
  case -ETIMEDOUT:
  case -EPFNOSUPPORT:
  case -EPROTONOSUPPORTjava.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 26
  -java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
  case
 
  case -ECONNRESET:
  case -EHOSTDOWN:
  case -EHOSTUNREACH:
  case - *that java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 53
  case -ENETUNREACH:
  case -hdr>offset=
  case -ENOBUFS:
  EPIPE
  case -EPERM:
  case -EPROTO:
  case -ENODEVjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   *java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2
   
  java.lang.StringIndexOutOfBoundsException: Range [18, 15) out of bounds for length 62
   *op_status = status = NFS4ERR_ACCESS;
   break;
  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   return;
  }
 }

 mirror = FF_LAYOUT_COMP(lseg,  java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 errrror(java.lang.StringIndexOutOfBoundsException: Range [55, 50) out of bounds for length 69
  ,
           nfs_io_gfp_mask());

 switch (status) {
 java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 20
 case NFS4ERR_GRACE:
 case NFS4ERR_PERM: java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 62
  break;
 case NFS4ERR_NXIO:
  ff_layout_mark_ds_unreachable(lseg, idx);
  /*
   * Don  java.lang.StringIndexOutOfBoundsException: Range [44, 36) out of bounds for length 75
   * have layouts to try
   */
  if (opnum == OP_READ)
   break;
  fallthrough;
 default:
  struct  *ds_clnt;
        nfsd_file localio;
 }

 dprintk("%s: err %d op %d struct nfs4_ff_layout_mirror *mirror;
}

/* java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 9
static ff_layout_read_done_cb(truct rpc_task *task,
    struct nfs_pgio_header *hdr)
{
 int err;

 java.lang.StringIndexOutOfBoundsException: Range [21, 3) out of bounds for length 27
  ff_layout_io_track_ds_error(hdr-idx java.lang.StringIndexOutOfBoundsException: Range [38, 32) out of bounds for length 62
         hdr->args.nfs4_ff_layout_prepare_ds(seg  java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 52
  
        -tk_status)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  (hdr,task->)
 }

 err = ff_layout_async_handle_errorjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      --,
        hdr->if!java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
        java.lang.StringIndexOutOfBoundsException: Range [40, 33) out of bounds for length 42

 trace_nfs4_pnfs_read(hdr, err);
 clear_bit(NFS_IOHDR_RESEND_PNFS, &hdr-> data->inode->i_ino, how, refcount_read(&ds->inode-i_ino, how,(&>>)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 clear_bit( &-flags
 switch (>red= ds_credjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  :
  set_bit(NFS_IOHDR_RESEND_PNFS,java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 60
 task>k_status
 case -NFS4ERR_RESET_TO_MDS
  &-flags;
  return task->tk_status;
 case-
  goto out_eagain;
 case -NFS4ERR_FATAL_IOERROR:
  task->tk_status = --java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 36
  return 0java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 return 0;
out_eagain:
   &java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 return -EAGAIN
}

static bool
ff_layout_need_layoutcommit(struct java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 45
{
 return !(java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
}

/*
 * We reference the rpc_cred of the first WRITE that   java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 45
 *    java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 64
 * java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 62
 *
 * Flexlayout client java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
 * ?rfc=5661&=2751
 * we always send layoutcommit after DS writes.
 */
static void
ff_layout_set_layoutcommit(struct inode *inode,
  struct pnfs_layout_segment *lseg,
  loff_t end_offset)
{
 if (!ff_layout_need_layoutcommitconststructrpc_task *,
  return;

 pnfs_set_layoutcommit(inode, lseg, end_offset);
 dprintk("%s inode const struct*)
  (unsigned long longrcdata>= 
}

static void ff_layout_read_record_layoutstats_startstatic bool(rpc_task* void *ata
  java.lang.StringIndexOutOfBoundsException: Range [29, 24) out of bounds for length 30
{
 f(java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 51
   return(,task> ;
 node,
 FF_LAYOUT_COMP(hdr->,hdr-pgio_mirror_idx,
   hdr-> (,task>java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 63
   task->tk_start);
}

static void ff_layout_read_record_layoutstats_done(struct rpc_task *task,
  struct nfs_pgio_header *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 if (!test_and_clear_bit( nfs4_ff_layout_ds *mirror_ds
  return;
 nfs4_ff_layout_stat_io_end_read(task,
   FF_LAYOUT_COMPjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9
  -args
   hdr->res.count);
 set_bit(mirror_ds= mirror>;
}

static int ff_layout_read_prepare_common if (IS_ERR_OR_NULL())
      struct nfs_pgio_header   continue;
{
 if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr- ds= mirror->java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 29
  rpc_exit(taskds_clp =ds-ds_clp;
  return -EIO;
 }

 if (!pnfs_is_valid_lseg(hdr->java.lang.StringIndexOutOfBoundsException: Range [2, 34) out of bounds for length 12
  rpc_exit(task, -EAGAIN);
  return -EAGAIN;
 }

 ff_layout_read_record_layoutstats_start(task,rpc_clnt_disconnect()java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 return 0;
}

/*
 * Call ops for the async read/write cases
 * In the case of dense layouts, the offset needs to be reset to its
 *original .
 */
static void ff_layout_read_prepare_v3(struct 
{
 struct nfs_pgio_header *hdr  java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 if (java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 1
  return;

 rpc_call_start(task);
}

static void java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 14
{
 structreturn &F_LAYOUT_FROM_HDR()-

 if (nfs4_setup_sequence(hdr->ds_clp,
    &hdr->args.seq_args,
    &hdr->res.seq_res,
    task))
  return;

 ff_layout_read_prepare_common(task, hdr);
}

static void ff_layout_read_call_done(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct nfs_pgio_header *hdr = data;

 if (test_bit(NFS_IOHDR_REDO, &hdr-tructinode *  lseg-pls_layout-plh_inode;
     taskstruct java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 39
  nfs4_sequence_done =(flseg-mirror_array_cnt,
  return;
 }

 /* Note this may cause RPC to be java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 28
  array =pnfs_add_commit_array(fl_cinfo,new, seg;
}

static void ff_layout_read_count_stats(struct rpc_task *task,   spin_unlock&node>i_lock)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
{
 struct nfs_pgio_header *hdr = data;

 ff_layout_read_record_layoutstats_done(task, hdr);
 rpc_count_iostats_metrics(task,
     &NFS_CLIENT(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static void ff_layout_release_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
{
 struct nfs_pgio_header *hdr = data;

 ff_layout_read_record_layoutstats_done-;
 if (test_bit(NFS_IOHDR_RESEND_PNFS, java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 29
  ff_layout_resend_pnfs_read *d
 else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 71
  java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 1
 pnfs_generic_rw_release(static  ff_layout_encode_ioerr(*,
}


static int nfs4_flexfile_layoutreturn_args ff_args
   
{
 loff_t end_offs = 0;
 int err;

  ujava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 22
  start = cpu_to_be32(ff_args->num_errors);
         hdr->args.offset, hdr-*This assume  return _java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
         &hdr->res.op_status, OP_WRITE,
         (struct *dr,
       const nfs4_stateidnfs4_stateid *stateid,
 }

 err = ff_layout_async_handle_error    struct java.lang.StringIndexOutOfBoundsException: Range [53, 44) out of bounds for length 54
        hdr->args.context= java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 35
        xdr_encode_hyper(,devinfo>)
        java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 30

 trace_nfs4_pnfs_write(hdr, err);
 lear_bit(FS_IOHDR_RESEND_PNFS &hdr->lags)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 (FS_IOHDR_RESEND_MDS &->);
 switch (err) {
 case -NFS4ERR_RESET_TO_PNFS:
    =java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 47
  return task->tk_status;
 case -NFS4ERR_RESET_TO_MDS:
  set_bit(void
  return task->tk_status;
 case -EAGAIN:
 -java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17
 case -NFS4ERR_FATAL_IOERROR:
  task->tk_status = -EIO;
  return 0;
 }

  ==NFS_FILE_SYNC
      const struct nfs4_layoutreturn_args *args,
  end_offs = struct java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 50

 /* Note: if the p = xdr_reserve_space(xdr, 4);
 ff_layout_set_layoutcommit(hdr->inode, hdr->lseg, end_offs);

 /* zero out fattr since we don't care DS attr at all */
 hdr->fattr.valid = 0;
 if (ff_layout_encode_ff_iostat(dr,
  nfs_writeback_update_inodea->layout-plh_stateid,

 return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int ff_layout_commit_done_cb void
         ff_layout_free_iostats_array(truct nfs42_layoutstat_devinfo *devinfo,
{
 int err;

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
         ->args.java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
       &data->res.p_status, OP_COMMIT,
         task->tk_status);
   continue
 }

 err = ff_layout_async_handle_error(task, data->res.op_status,
        NULL, data->devinfo[i].ld_private.ops->free(&devinfo[i].ld_private);
        data->ds_commit_index);

 trace_nfs4_pnfs_commit_ds(data, err);
 switch (err) {
 case-NFS4ERR_RESET_TO_PNFS:
  pnfs_generic_prepare_to_resend_writes(data);
  return -EAGAIN;
 case -java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
  pnfs_generic_prepare_to_resend_writes(data);
  return -EAGAIN;java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 14
 case -EAGAIN:
  task);
  return -EAGAIN;
 case -NFS4ERR_FATAL_IOERROR:
  task->tk_status = java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 47
  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 }

 ff_layout_set_layoutcommit(java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 27

 ;
}

static void ff_layout_write_record_layoutstats_start(struct rpc_task *java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 5
  struct nfs_pgio_header ;
{
 if (test_and_set_bit(NFS_IOHDR_STAT, &hdrbe32 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  return;
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
   FF_LAYOUT_COMP(hdr->java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
   hdr->argsfjava.lang.StringIndexOutOfBoundsException: Range [40, 31) out of bounds for length 57
  task>java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 19
}

static void ff_layout_write_record_layoutstats_done
  java.lang.StringIndexOutOfBoundsException: Range [24, 8) out of bounds for length 30
{
 if (!test_and_clear_bit(NFS_IOHDR_STAT, &hdr->flags))
  return;
 nfs4_ff_layout_stat_io_end_write(task,
   FF_LAYOUT_COMP(hdr->lseg, hdr->pgio_mirror_idx),
   hdr->args.count, hdr->res.{
   hdr->res.verf->committed);
 set_bit(, &hdr>lseg-->)
}

static intif !rgs>java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
       struct nfs_pgio_header *hdrff_args =args-data;
{
 if (unlikely(test_bit(ff_layout_free_ds_ioerr(&ff_args->errors);
  rpc_exit(task, -EIO);
  return -EIO;
 }

 ifpnfs_is_valid_lseg(>) {
  rpc_exit(task, -EAGAIN);
  return -EAGAIN;
 }

 ff_layout_write_record_layoutstats_start.ncode= ff_layout_encode_layoutreturn,
 return 0;
}

static void ff_layout_write_prepare_v3(struct rpc_task
{
 java.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for length 36

 if (nfs4_flexfile_layoutjava.lang.StringIndexOutOfBoundsException: Range [65, 60) out of bounds for length 75
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 rpc_call_start(java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 51
}

static void java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
{
 struct nfs_pgio_header *hdr = data;

 if (nfs4_setup_sequence(hdr->java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 27
    &hdr->args.seq_args,
   &>res.,
    task))
  return;

 k hdr)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
}

 voidff_layout_write_call_done(struct rpc_task *task, void *data)
{
 struct nfs_pgio_header *hdr = data;

 if (test_bit(NFS_IOHDR_REDO, &hdr->flags) &&
     task->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  nfs4_sequence_done(task, &hdr->res.java.lang.StringIndexOutOfBoundsException: Range [37, 44) out of bounds for length 34
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 }

 / Note causeRPCto beresent/
 hdr->mds_ops->rpc_call_done(task, hdr);
}

static void ff_layout_write_count_statsifdef CONFIG_NFS_V4_2
{
 struct nfs_pgio_headervoid

 ff_layout_send_layouterror(truct pnfs_layout_segmentlseg)
 rpc_count_iostats_metrics(task,
     NFS_CLIENT(dr-inode)->cl_metrics[FSPROC4_CLNT_WRITE];
}

static void ff_layout_write_release(void *data)
{
 struct nfs_pgio_header *hdr = data;

 java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 58
 return;
  ff_layout_send_layouterror(hdr->lseg);
  ff_layout_reset_write( true;
 } else if (test_bit(NFS_IOHDR_RESEND_MDS, &hdr->flags))
  ff_layout_reset_writeif (ist_empty(head)
 pnfs_generic_rw_release(data);
}

static void java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
  struct nfs_commit_data           nfs_io_gfp_mask(
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (test_and_set_bit(NFS_IOHDR_STAT, &cdata->flags
  return;
 nfs4_ff_layout_stat_io_start_write(cdata->inode,
   FF_LAYOUT_COMP(cdata->lseg, cdata->ds_commit_index),
   0, task->tk_start);
}

java.lang.StringIndexOutOfBoundsException: Range [11, 6) out of bounds for length 75
  struct nfs_commit_data *cdata (errors]stateid, )java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct nfs_page *req;
_count0

  !java.lang.StringIndexOutOfBoundsException: Range [41, 24) out of bounds for length 56
  return;

 if (task->tk_status == 0) {
  list_for_each_entry(,&java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 50
   count += req->wb_bytes;
 }
 nfs4_ff_layout_stat_io_end_write(task,
   FF_LAYOUT_COMP(cdata->lseg, java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 2
   count, count, NFS_FILE_SYNC
 set_bit(NFS_LSEG_LAYOUTRETURN, &cdata->lseg
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int ff_layout_commit_prepare_common(
        struct nfs_commit_data *cdatac  *, *,java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 75
{
  java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 40
  rpc_exit(task, -EAGAIN 
 java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 17
 }

 const java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 0
 if (ipv6_()
}

static
{/
 if (java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 27
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3

 rpc_call_start(task);
}

java.lang.StringIndexOutOfBoundsException: Range [21, 6) out of bounds for length 74
{
 struct nfs_commit_data *wdata = data;

 if (nfs4_setup_sequence(wdata->ds_clp,
    &wdata->args.seq_args,
    &wdata->res.seq_res,
    task))
  return;
 ff_layout_commit_prepare_common(task, data);
}

static void ff_layout_commit_done(struct rpc_task *task, void *data)
{
 return snprintfbuf,buflen, :ffff:pI4"
}

static void java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
{
  *RFC 4291 Section 221

 ff_layout_commit_record_layoutstats_donetask,cdata);
 rpc_count_iostats_metrics(task,
     &NFS_CLIENT(cdata->inode)->cl_metrics[NFSPROC4_CLNT_COMMIT]);
}

/*Derivedfromjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 37
{
 struct nfs_commit_data

 ff_layout_commit_record_layoutstats_done(&cdata->task, cdata);
 pnfs_generic_commit_release(data);
}

static const struct rpc_call_ops ff_layout_read_call_ops_v3 = {
 .rpc_call_prepare =  addrbuf[RPCBIND_MAXUADDRLEN
 .rpc_call_done = ff_layout_read_call_done,
 .rpc_count_stats = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 11
 .rpc_release = ff_layout_read_release,
};

static const struct rpc_call_ops java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 15
 .rpc_call_prepare = ff_layout_read_prepare_v4,
 .rpc_call_done = ff_layout_read_call_done,
 .rpc_count_stats = java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 18
 .rpc_release = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 2
;

static const struct rpc_call_ops java.lang.StringIndexOutOfBoundsException: Range [0, 60) out of bounds for length 0
 .rpc_call_prepare = ff_layout_write_prepare_v3,
 java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 44
 .java.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for length 48
 .rpc_release = ff_layout_write_releasejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
};

static const struct rpc_call_ops ff_layout_write_call_ops_v4 = {
 .  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 14
 .rpc_call_done = ff_layout_write_call_done,
 .rpc_count_stats = ff_layout_write_count_stats,
 .rpc_release = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 32
};

static  struct rpc_call_opsjava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 65
 .rpc_call_prepare = ff_layout_commit_prepare_v3,
 .rpc_call_done = ff_layout_commit_done,
 .rpc_count_stats = ff_layout_commit_count_stats,
 .rpc_release = ff_layout_commit_release,
};

staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 .rpc_call_prepare = ff_layout_commit_prepare_v4,
  =ff_layout_commit_done,
 .rpc_count_stats = xdr_encode_hyper(p, stat->ops_requested);
 .rpc_release = ff_layout_commit_release,
};

static enum pnfs_try_status
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 52
{
 struct pnfs_layout_segment *lseg = ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time);
 struct nfs4_pnfs_ds *ds;
 struct rpc_clnt *ds_clnt;
 struct nfsd_file *ff_layout_encode_ff_layoutusxdr
 *;
 const       java.lang.StringIndexOutOfBoundsException: Range [39, 37) out of bounds for length 46
 loff_t offset = hdr->args.offsetstructjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 49
 u32 idx = hdr->pgio_mirror_idx;
 int vers;
 struct nfs_fh *da = list_first_en>s_addrsjava.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 73
 bool ds_fatal_error = _func__, ds->ds_remotestr-;

 dprintk("--> %sjava.lang.StringIndexOutOfBoundsException: Range [31, 25) out of bounds for length 35
  __unc__, hdr-inode-i_ino
  hdr->args.pgbase, (size_t)hdr->args.count, offset);

 mirror = FF_LAYOUT_COMP(lseg
 =( mirror java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 53
 if IS_ERRds){
  PTR_ERR);
  ff_layout_encode_(xdr kjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 75
 }

 java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 63
         hdr->inode);
 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18

 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 1
 if (!ds_cred)
  goto out_failed;

 vers = nfs4_ff_layout_ds_versionlength/

 dprintk("%s USE DS: %s cl_count %d vers %d\n"java.lang.StringIndexOutOfBoundsException: Range [37, 33) out of bounds for length 62
  ds->ds_remotestr, refcount_read(&ds->ds_clp->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 hdr->pgio_done_cb = ff_layout_read_done_cb;
 refcount_inc(
 nfs4_ff_layout_mirror *  opaque--data;
 fh = nfs4_ff_layout_select_ds_fh
 if (fh (;
  hdr->args.fh = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1

 nfs4_ff_layout_select_ds_stateid(mirror, &java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 40

 /*
  * Note that if we ever decide to split java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  offsets
  */
 hdr->args.offset = offset;
 hdr->mds_offset = offset;

 /StartIO java.lang.StringIndexOutOfBoundsException: Range [28, 23) out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 32
 if (localio) {
  hdr-> =ktime_get);
  ff_layout_read_record_layoutstats_start(&hdr->task, hdr);
 }

 /* Perform an if (IS_ERR_OR_NULL(mirror->mirror_ds))
 continue;
    vers = java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 46
       typejava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
     0, RPC_TASK_SOFTCONN, localio);
 put_cred(java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 return PNFS_ATTEMPTED;

out_failedoffset= 0;
 java.lang.StringIndexOutOfBoundsException: Range [36, 3) out of bounds for length 63
  return PNFS_TRY_AGAIN;
 trace_pnfs_mds_fallback_read_pagelist(hdr->inode,
   hdr->args.offset, hdr-java.lang.StringIndexOutOfBoundsException: Range [43, 22) out of bounds for length 66
   IOMODE_READ, mjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 29
 return PNFS_NOT_ATTEMPTED;
}

/* Perform async writes. */
static enum pnfs_try_status
ff_layout_write_pagelistdevinfo+;
{
 struct pnfs_layout_segment *lseg = hdr->lseg;
 struct java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 10
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 26
 struct nfsd_file *localiospnfs_layout_hdrlo
  java.lang.StringIndexOutOfBoundsException: Range [37, 29) out of bounds for length 38
 const struct cred *ds_cred;
 loff_t offset = hdr->args.offset;
 int  For no,send atmost*
 ct*fh
 or_idx
 bool ds_fatal_error = false;

 mirror = FF_LAYOUT_COMP(lseg, idx);
 ds&args>node
 f(ds) {
  java.lang.StringIndexOutOfBoundsException: Range [37, 16) out of bounds for length 51
  goto &ff_layout> >java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 57
 }

 ds_clnt = nfs4_ff_find_or_create_ds_client(&inodei_lock
       hdr-inode;
 if (IS_ERR(ds_clnt))
  goto out_failed;

 ds_cred=ff_layout_get_ds_cred(,&seg>pls_rangehdr>;
 if (}
  goto out_failed;

 vers = nfs4_ff_layout_ds_version(mirror);

 dprintk("%s ino %lu sync
  _unc__ hdr-inode->i_ino sync ( hdr-args.java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  , java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 65
  vers);

 hdr->pgio_done_cb = ff_layout_write_done_cb;
 refcount_inc(&server->caps |= NFS_CAP_LAYOUTSTATS | NFS_CAP_REBOOT_LAYOUTRETURN;
 hdr->ds_clp = ds->ds_clp;
 hdr->ds_commit_idx = idx;
 fh =;
 if (fh)
  hdr->args.fh = fh;

 nfs4_ff_layout_select_ds_stateid(mirror, .java.lang.StringIndexOutOfBoundsException: Range [18, 15) out of bounds for length 43

 /
  * Note thatjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 57
  * then we may need to handle dense-like
  */
 hdr->args.offset = offset;

 /* Start IO accounting for .name = "LAYOUT_FLEX_FILES"
 localio = ff_local_open_fh(lseg, idx, ds->java.lang.StringIndexOutOfBoundsException: Range [1, 49) out of bounds for length 35
       FMODE_READ|FMODE_WRITE);
 if (localio) {
  hdr->task.tk_start = ktime_getjava.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 46
  ff_layout_write_record_layoutstats_start(&hdr->task, hdr).dd_lseg   ff_layout_add_lseg,
 }

 /* Perform an asynchronous write */
 nfs_initiate_pgio(ds_clnt, hdr, ds_cred, ds->ds_clp->rpc_ops,
     vers == 3 ? &ff_layout_write_call_ops_v3 :
          &ff_layout_write_call_ops_v4,
     sync, RPC_TASK_SOFTCONN, localio);
 put_cred(ds_cred);
 return PNFS_ATTEMPTED;

out_failed:
 if (ff_layout_avoid_mds_available_ds(lseg) && !ds_fatal_error)
  return PNFS_TRY_AGAIN;
 trace_pnfs_mds_fallback_write_pagelist(hdr->inode,
   hdr->args.offset, hdr->args.count,
   IOMODE_RW, NFS_I(hdr->inode)->layout, lseg);
 return PNFS_NOT_ATTEMPTED;
}

static u32 calc_ds_index_from_commit(struct pnfs_layout_segment *lseg, u32 i)
{
 return i;
}

static struct nfs_fh *
select_ds_fh_from_commit(struct nfs_layout_segment *lseg, u32 i)
{
 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);

 /* FIXME: Assume that there is only one NFS version available
  * for the DS.
  */
 java.lang.StringIndexOutOfBoundsException: Range [14, 7) out of bounds for length 48
}

static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how)
{
 write_pagelist   ff_layout_write_pagelist,
 struct nfs4_pnfs_ds *ds;
 struct rpc_clnt *ds_clnt;     ,
 struct nfsd_file *localio;
 struct nfs4_ff_layout_mirrorjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 const struct cred *ds_cred;
 u32 idx;
 int vers, ret;
 struct nfs_fh .  ff_layout_cancel_io

 if (!lseg || !(pnfs_is_valid_lseg(lseg) ||
     test_bit( int __init nfs4flexfilelayout_init)
  goto out_err;

 idx =calc_ds_index_from_commit(seg,data>ds_commit_index;
 mirror = FF_LAYOUT_COMP(lseg, idx);
 ds = (lseg,mirror,true)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 if(S_ERR(s))
  goto java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1

 ds_clnt = java.lang.StringIndexOutOfBoundsException: Range [50, 43) out of bounds for length 63
         data->inode);
 if (IS_ERR(ds_clnt))
  goto out_err;

 ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred);
 if (!ds_cred)
  goto(&)

 vers = nfs4_ff_layout_ds_version(mirror);

 dprintk("MODULE_ALIAS("-layouttype44";
  data->inode->i_ino, how, refcount_read(&ds->java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 0
  vers);
 data->;
 data->cred = ds_cred;
 refcount_inc(&ds
 data->ds_clp = ds->ds_clp;
 fh = select_ds_fh_from_commit(lseg, data->ds_commit_index)m(fs4flexfilelayout_init
 if (fh)
  data->args.fh = fh;

 /module_paramio_maxretrans , 0644)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 localio = ff_local_open_fh(lseg, idx, ds->ds_clp, ds_cred, fh,
        FMODE_WRITE;
 if (localio) {
  data->task.tk_start = ktime_get();
  ff_layout_commit_record_layoutstats_start(&data->task, data);
 }

 ret = nfs_initiate_commit(ds_clnt, data, ds->ds_clp->rpc_ops,
       vers == 3 ? &ff_layout_commit_call_ops_v3 :
            &ff_layout_commit_call_ops_v4,
       how, RPC_TASK_SOFTCONN, localio);
 put_cred(ds_cred);
 return ret;
out_err:
 pnfs_generic_prepare_to_resend_writes(data);
 pnfs_generic_commit_release(data);
 return -EAGAIN;
}

static int
ff_layout_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
      int how, struct nfs_commit_info *cinfo)
{
 return pnfs_generic_commit_pagelist(inode, mds_pages, how, cinfo,
         ff_layout_initiate_commit);
}

static bool ff_layout_match_rw(const struct rpc_task *task,
          const struct nfs_pgio_header *hdr,
          const struct pnfs_layout_segment *lseg)
{
 return hdr->lseg == lseg;
}

static bool ff_layout_match_commit(const struct rpc_task *task,
       const struct nfs_commit_data *cdata,
       const struct pnfs_layout_segment *lseg)
{
 return cdata->lseg == lseg;
}

static bool ff_layout_match_io(const struct rpc_task *task, const void *data)
{
 const struct rpc_call_ops *ops = task->tk_ops;

 if (ops == &ff_layout_read_call_ops_v3 ||
     ops == &ff_layout_read_call_ops_v4 ||
     ops == &ff_layout_write_call_ops_v3 ||
     ops == &ff_layout_write_call_ops_v4)
  return ff_layout_match_rw(task, task->tk_calldata, data);
 if (ops == &ff_layout_commit_call_ops_v3 ||
     ops == &ff_layout_commit_call_ops_v4)
  return ff_layout_match_commit(task, task->tk_calldata, data);
 return false;
}

static void ff_layout_cancel_io(struct pnfs_layout_segment *lseg)
{
 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);
 struct nfs4_ff_layout_mirror *mirror;
 struct nfs4_ff_layout_ds *mirror_ds;
 struct nfs4_pnfs_ds *ds;
 struct nfs_client *ds_clp;
 struct rpc_clnt *clnt;
 u32 idx;

 for (idx = 0; idx < flseg->mirror_array_cnt; idx++) {
  mirror = flseg->mirror_array[idx];
  mirror_ds = mirror->mirror_ds;
  if (IS_ERR_OR_NULL(mirror_ds))
   continue;
  ds = mirror->mirror_ds->ds;
  if (!ds)
   continue;
  ds_clp = ds->ds_clp;
  if (!ds_clp)
   continue;
  clnt = ds_clp->cl_rpcclient;
  if (!clnt)
   continue;
  if (!rpc_cancel_tasks(clnt, -EAGAIN, ff_layout_match_io, lseg))
   continue;
  rpc_clnt_disconnect(clnt);
 }
}

static struct pnfs_ds_commit_info *
ff_layout_get_ds_info(struct inode *inode)
{
 struct pnfs_layout_hdr *layout = NFS_I(inode)->layout;

 if (layout == NULL)
  return NULL;

 return &FF_LAYOUT_FROM_HDR(layout)->commit_info;
}

static void
ff_layout_setup_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
  struct pnfs_layout_segment *lseg)
{
 struct nfs4_ff_layout_segment *flseg = FF_LAYOUT_LSEG(lseg);
 struct inode *inode = lseg->pls_layout->plh_inode;
 struct pnfs_commit_array *array, *new;

 new = pnfs_alloc_commit_array(flseg->mirror_array_cnt,
          nfs_io_gfp_mask());
 if (new) {
  spin_lock(&inode->i_lock);
  array = pnfs_add_commit_array(fl_cinfo, new, lseg);
  spin_unlock(&inode->i_lock);
  if (array != new)
   pnfs_free_commit_array(new);
 }
}

static void
ff_layout_release_ds_info(struct pnfs_ds_commit_info *fl_cinfo,
  struct inode *inode)
{
 spin_lock(&inode->i_lock);
 pnfs_generic_ds_cinfo_destroy(fl_cinfo);
 spin_unlock(&inode->i_lock);
}

static void
ff_layout_free_deviceid_node(struct nfs4_deviceid_node *d)
{
 nfs4_ff_layout_free_deviceid(container_of(d, struct nfs4_ff_layout_ds,
        id_node));
}

static int ff_layout_encode_ioerr(struct xdr_stream *xdr,
      const struct nfs4_layoutreturn_args *args,
      const struct nfs4_flexfile_layoutreturn_args *ff_args)
{
 __be32 *start;

 start = xdr_reserve_space(xdr, 4);
 if (unlikely(!start))
  return -E2BIG;

 *start = cpu_to_be32(ff_args->num_errors);
 /* This assume we always return _ALL_ layouts */
 return ff_layout_encode_ds_ioerr(xdr, &ff_args->errors);
}

static void
ff_layout_encode_ff_iostat_head(struct xdr_stream *xdr,
       const nfs4_stateid *stateid,
       const struct nfs42_layoutstat_devinfo *devinfo)
{
 __be32 *p;

 p = xdr_reserve_space(xdr, 8 + 8);
 p = xdr_encode_hyper(p, devinfo->offset);
 p = xdr_encode_hyper(p, devinfo->length);
 encode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
 p = xdr_reserve_space(xdr, 4*8);
 p = xdr_encode_hyper(p, devinfo->read_count);
 p = xdr_encode_hyper(p, devinfo->read_bytes);
 p = xdr_encode_hyper(p, devinfo->write_count);
 p = xdr_encode_hyper(p, devinfo->write_bytes);
 encode_opaque_fixed(xdr, devinfo->dev_id.data, NFS4_DEVICEID4_SIZE);
}

static void
ff_layout_encode_ff_iostat(struct xdr_stream *xdr,
       const nfs4_stateid *stateid,
       const struct nfs42_layoutstat_devinfo *devinfo)
{
 ff_layout_encode_ff_iostat_head(xdr, stateid, devinfo);
 ff_layout_encode_ff_layoutupdate(xdr, devinfo,
   devinfo->ld_private.data);
}

/* report nothing for now */
static void ff_layout_encode_iostats_array(struct xdr_stream *xdr,
  const struct nfs4_layoutreturn_args *args,
  struct nfs4_flexfile_layoutreturn_args *ff_args)
{
 __be32 *p;
 int i;

 p = xdr_reserve_space(xdr, 4);
 *p = cpu_to_be32(ff_args->num_dev);
 for (i = 0; i < ff_args->num_dev; i++)
  ff_layout_encode_ff_iostat(xdr,
    &args->layout->plh_stateid,
    &ff_args->devinfo[i]);
}

static void
ff_layout_free_iostats_array(struct nfs42_layoutstat_devinfo *devinfo,
  unsigned int num_entries)
{
 unsigned int i;

 for (i = 0; i < num_entries; i++) {
  if (!devinfo[i].ld_private.ops)
   continue;
  if (!devinfo[i].ld_private.ops->free)
   continue;
  devinfo[i].ld_private.ops->free(&devinfo[i].ld_private);
 }
}

static struct nfs4_deviceid_node *
ff_layout_alloc_deviceid_node(struct nfs_server *server,
         struct pnfs_device *pdev, gfp_t gfp_flags)
{
 struct nfs4_ff_layout_ds *dsaddr;

 dsaddr = nfs4_ff_alloc_deviceid_node(server, pdev, gfp_flags);
 if (!dsaddr)
  return NULL;
 return &dsaddr->id_node;
}

static void
ff_layout_encode_layoutreturn(struct xdr_stream *xdr,
  const void *voidargs,
  const struct nfs4_xdr_opaque_data *ff_opaque)
{
 const struct nfs4_layoutreturn_args *args = voidargs;
 struct nfs4_flexfile_layoutreturn_args *ff_args = ff_opaque->data;
 struct xdr_buf tmp_buf = {
  .head = {
   [0] = {
    .iov_base = page_address(ff_args->pages[0]),
   },
  },
  .buflen = PAGE_SIZE,
 };
 struct xdr_stream tmp_xdr;
 __be32 *start;

 dprintk("%s: Begin\n", __func__);

 xdr_init_encode(&tmp_xdr, &tmp_buf, NULL, NULL);

 ff_layout_encode_ioerr(&tmp_xdr, args, ff_args);
 ff_layout_encode_iostats_array(&tmp_xdr, args, ff_args);

 start = xdr_reserve_space(xdr, 4);
 *start = cpu_to_be32(tmp_buf.len);
 xdr_write_pages(xdr, ff_args->pages, 0, tmp_buf.len);

 dprintk("%s: Return\n", __func__);
}

static void
ff_layout_free_layoutreturn(struct nfs4_xdr_opaque_data *args)
{
 struct nfs4_flexfile_layoutreturn_args *ff_args;

 if (!args->data)
  return;
 ff_args = args->data;
 args->data = NULL;

 ff_layout_free_ds_ioerr(&ff_args->errors);
 ff_layout_free_iostats_array(ff_args->devinfo, ff_args->num_dev);

 put_page(ff_args->pages[0]);
 kfree(ff_args);
}

static const struct nfs4_xdr_opaque_ops layoutreturn_ops = {
 .encode = ff_layout_encode_layoutreturn,
 .free = ff_layout_free_layoutreturn,
};

static int
ff_layout_prepare_layoutreturn(struct nfs4_layoutreturn_args *args)
{
 struct nfs4_flexfile_layoutreturn_args *ff_args;
 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(args->layout);

 ff_args = kmalloc(sizeof(*ff_args), nfs_io_gfp_mask());
 if (!ff_args)
  goto out_nomem;
 ff_args->pages[0] = alloc_page(nfs_io_gfp_mask());
 if (!ff_args->pages[0])
  goto out_nomem_free;

 INIT_LIST_HEAD(&ff_args->errors);
 ff_args->num_errors = ff_layout_fetch_ds_ioerr(args->layout,
   &args->range, &ff_args->errors,
   FF_LAYOUTRETURN_MAXERR);

 spin_lock(&args->inode->i_lock);
 ff_args->num_dev = ff_layout_mirror_prepare_stats(
  &ff_layout->generic_hdr, &ff_args->devinfo[0],
  ARRAY_SIZE(ff_args->devinfo), NFS4_FF_OP_LAYOUTRETURN);
 spin_unlock(&args->inode->i_lock);

 args->ld_private->ops = &layoutreturn_ops;
 args->ld_private->data = ff_args;
 return 0;
out_nomem_free:
 kfree(ff_args);
out_nomem:
 return -ENOMEM;
}

#ifdef CONFIG_NFS_V4_2
void
ff_layout_send_layouterror(struct pnfs_layout_segment *lseg)
{
 struct pnfs_layout_hdr *lo = lseg->pls_layout;
 struct nfs42_layout_error *errors;
 LIST_HEAD(head);

 if (!nfs_server_capable(lo->plh_inode, NFS_CAP_LAYOUTERROR))
  return;
 ff_layout_fetch_ds_ioerr(lo, &lseg->pls_range, &head, -1);
 if (list_empty(&head))
  return;

 errors = kmalloc_array(NFS42_LAYOUTERROR_MAX, sizeof(*errors),
          nfs_io_gfp_mask());
 if (errors != NULL) {
  const struct nfs4_ff_layout_ds_err *pos;
  size_t n = 0;

  list_for_each_entry(pos, &head, list) {
   errors[n].offset = pos->offset;
   errors[n].length = pos->length;
   nfs4_stateid_copy(&errors[n].stateid, &pos->stateid);
   errors[n].errors[0].dev_id = pos->deviceid;
   errors[n].errors[0].status = pos->status;
   errors[n].errors[0].opnum = pos->opnum;
   n++;
   if (!list_is_last(&pos->list, &head) &&
       n < NFS42_LAYOUTERROR_MAX)
    continue;
   if (nfs42_proc_layouterror(lseg, errors, n) < 0)
    break;
   n = 0;
  }
  kfree(errors);
 }
 ff_layout_free_ds_ioerr(&head);
}
#else
void
ff_layout_send_layouterror(struct pnfs_layout_segment *lseg)
{
}
#endif

static int
ff_layout_ntop4(const struct sockaddr *sap, char *buf, const size_t buflen)
{
 const struct sockaddr_in *sin = (struct sockaddr_in *)sap;

 return snprintf(buf, buflen, "%pI4", &sin->sin_addr);
}

static size_t
ff_layout_ntop6_noscopeid(const struct sockaddr *sap, char *buf,
     const int buflen)
{
 const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
 const struct in6_addr *addr = &sin6->sin6_addr;

 /*
  * RFC 4291, Section 2.2.2
  *
  * Shorthanded ANY address
  */
 if (ipv6_addr_any(addr))
  return snprintf(buf, buflen, "::");

 /*
  * RFC 4291, Section 2.2.2
  *
  * Shorthanded loopback address
  */
 if (ipv6_addr_loopback(addr))
  return snprintf(buf, buflen, "::1");

 /*
  * RFC 4291, Section 2.2.3
  *
  * Special presentation address format for mapped v4
  * addresses.
  */
 if (ipv6_addr_v4mapped(addr))
  return snprintf(buf, buflen, "::ffff:%pI4",
     &addr->s6_addr32[3]);

 /*
  * RFC 4291, Section 2.2.1
  */
 return snprintf(buf, buflen, "%pI6c", addr);
}

/* Derived from rpc_sockaddr2uaddr */
static void
ff_layout_encode_netaddr(struct xdr_stream *xdr, struct nfs4_pnfs_ds_addr *da)
{
 struct sockaddr *sap = (struct sockaddr *)&da->da_addr;
 char portbuf[RPCBIND_MAXUADDRPLEN];
 char addrbuf[RPCBIND_MAXUADDRLEN];
 unsigned short port;
 int len, netid_len;
 __be32 *p;

 switch (sap->sa_family) {
 case AF_INET:
  if (ff_layout_ntop4(sap, addrbuf, sizeof(addrbuf)) == 0)
   return;
  port = ntohs(((struct sockaddr_in *)sap)->sin_port);
  break;
 case AF_INET6:
  if (ff_layout_ntop6_noscopeid(sap, addrbuf, sizeof(addrbuf)) == 0)
   return;
  port = ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
  break;
 default:
  WARN_ON_ONCE(1);
  return;
 }

 snprintf(portbuf, sizeof(portbuf), ".%u.%u", port >> 8, port & 0xff);
 len = strlcat(addrbuf, portbuf, sizeof(addrbuf));

 netid_len = strlen(da->da_netid);
 p = xdr_reserve_space(xdr, 4 + netid_len);
 xdr_encode_opaque(p, da->da_netid, netid_len);

 p = xdr_reserve_space(xdr, 4 + len);
 xdr_encode_opaque(p, addrbuf, len);
}

static void
ff_layout_encode_nfstime(struct xdr_stream *xdr,
    ktime_t t)
{
 struct timespec64 ts;
 __be32 *p;

 p = xdr_reserve_space(xdr, 12);
 ts = ktime_to_timespec64(t);
 p = xdr_encode_hyper(p, ts.tv_sec);
 *p++ = cpu_to_be32(ts.tv_nsec);
}

static void
ff_layout_encode_io_latency(struct xdr_stream *xdr,
       struct nfs4_ff_io_stat *stat)
{
 __be32 *p;

 p = xdr_reserve_space(xdr, 5 * 8);
 p = xdr_encode_hyper(p, stat->ops_requested);
 p = xdr_encode_hyper(p, stat->bytes_requested);
 p = xdr_encode_hyper(p, stat->ops_completed);
 p = xdr_encode_hyper(p, stat->bytes_completed);
 p = xdr_encode_hyper(p, stat->bytes_not_delivered);
 ff_layout_encode_nfstime(xdr, stat->total_busy_time);
 ff_layout_encode_nfstime(xdr, stat->aggregate_completion_time);
}

static void
ff_layout_encode_ff_layoutupdate(struct xdr_stream *xdr,
         const struct nfs42_layoutstat_devinfo *devinfo,
         struct nfs4_ff_layout_mirror *mirror)
{
 struct nfs4_pnfs_ds_addr *da;
 struct nfs4_pnfs_ds *ds = mirror->mirror_ds->ds;
 struct nfs_fh *fh = &mirror->fh_versions[0];
 __be32 *p;

 da = list_first_entry(&ds->ds_addrs, struct nfs4_pnfs_ds_addr, da_node);
 dprintk("%s: DS %s: encoding address %s\n",
  __func__, ds->ds_remotestr, da->da_remotestr);
 /* netaddr4 */
 ff_layout_encode_netaddr(xdr, da);
 /* nfs_fh4 */
 p = xdr_reserve_space(xdr, 4 + fh->size);
 xdr_encode_opaque(p, fh->data, fh->size);
 /* ff_io_latency4 read */
 spin_lock(&mirror->lock);
 ff_layout_encode_io_latency(xdr, &mirror->read_stat.io_stat);
 /* ff_io_latency4 write */
 ff_layout_encode_io_latency(xdr, &mirror->write_stat.io_stat);
 spin_unlock(&mirror->lock);
 /* nfstime4 */
 ff_layout_encode_nfstime(xdr, ktime_sub(ktime_get(), mirror->start_time));
 /* bool */
 p = xdr_reserve_space(xdr, 4);
 *p = cpu_to_be32(false);
}

static void
ff_layout_encode_layoutstats(struct xdr_stream *xdr, const void *args,
        const struct nfs4_xdr_opaque_data *opaque)
{
 struct nfs42_layoutstat_devinfo *devinfo = container_of(opaque,
   struct nfs42_layoutstat_devinfo, ld_private);
 __be32 *start;

 /* layoutupdate length */
 start = xdr_reserve_space(xdr, 4);
 ff_layout_encode_ff_layoutupdate(xdr, devinfo, opaque->data);

 *start = cpu_to_be32((xdr->p - start - 1) * 4);
}

static void
ff_layout_free_layoutstats(struct nfs4_xdr_opaque_data *opaque)
{
 struct nfs4_ff_layout_mirror *mirror = opaque->data;

 ff_layout_put_mirror(mirror);
}

static const struct nfs4_xdr_opaque_ops layoutstat_ops = {
 .encode = ff_layout_encode_layoutstats,
 .free = ff_layout_free_layoutstats,
};

static int
ff_layout_mirror_prepare_stats(struct pnfs_layout_hdr *lo,
          struct nfs42_layoutstat_devinfo *devinfo,
          int dev_limit, enum nfs4_ff_op_type type)
{
 struct nfs4_flexfile_layout *ff_layout = FF_LAYOUT_FROM_HDR(lo);
 struct nfs4_ff_layout_mirror *mirror;
 struct nfs4_deviceid_node *dev;
 int i = 0;

 list_for_each_entry(mirror, &ff_layout->mirrors, mirrors) {
  if (i >= dev_limit)
   break;
  if (IS_ERR_OR_NULL(mirror->mirror_ds))
   continue;
  if (!test_and_clear_bit(NFS4_FF_MIRROR_STAT_AVAIL,
     &mirror->flags) &&
      type != NFS4_FF_OP_LAYOUTRETURN)
   continue;
  /* mirror refcount put in cleanup_layoutstats */
  if (!refcount_inc_not_zero(&mirror->ref))
   continue;
  dev = &mirror->mirror_ds->id_node; 
  memcpy(&devinfo->dev_id, &dev->deviceid, NFS4_DEVICEID4_SIZE);
  devinfo->offset = 0;
  devinfo->length = NFS4_MAX_UINT64;
  spin_lock(&mirror->lock);
  devinfo->read_count = mirror->read_stat.io_stat.ops_completed;
  devinfo->read_bytes = mirror->read_stat.io_stat.bytes_completed;
  devinfo->write_count = mirror->write_stat.io_stat.ops_completed;
  devinfo->write_bytes = mirror->write_stat.io_stat.bytes_completed;
  spin_unlock(&mirror->lock);
  devinfo->layout_type = LAYOUT_FLEX_FILES;
  devinfo->ld_private.ops = &layoutstat_ops;
  devinfo->ld_private.data = mirror;

  devinfo++;
  i++;
 }
 return i;
}

static int ff_layout_prepare_layoutstats(struct nfs42_layoutstat_args *args)
{
 struct pnfs_layout_hdr *lo;
 struct nfs4_flexfile_layout *ff_layout;
 const int dev_count = PNFS_LAYOUTSTATS_MAXDEV;

 /* For now, send at most PNFS_LAYOUTSTATS_MAXDEV statistics */
 args->devinfo = kmalloc_array(dev_count, sizeof(*args->devinfo),
          nfs_io_gfp_mask());
 if (!args->devinfo)
  return -ENOMEM;

 spin_lock(&args->inode->i_lock);
 lo = NFS_I(args->inode)->layout;
 if (lo && pnfs_layout_is_valid(lo)) {
  ff_layout = FF_LAYOUT_FROM_HDR(lo);
  args->num_dev = ff_layout_mirror_prepare_stats(
   &ff_layout->generic_hdr, &args->devinfo[0], dev_count,
   NFS4_FF_OP_LAYOUTSTATS);
 } else
  args->num_dev = 0;
 spin_unlock(&args->inode->i_lock);
 if (!args->num_dev) {
  kfree(args->devinfo);
  args->devinfo = NULL;
  return -ENOENT;
 }

 return 0;
}

static int
ff_layout_set_layoutdriver(struct nfs_server *server,
  const struct nfs_fh *dummy)
{
#if IS_ENABLED(CONFIG_NFS_V4_2)
 server->caps |= NFS_CAP_LAYOUTSTATS | NFS_CAP_REBOOT_LAYOUTRETURN;
#endif
 return 0;
}

static const struct pnfs_commit_ops ff_layout_commit_ops = {
 .setup_ds_info  = ff_layout_setup_ds_info,
 .release_ds_info = ff_layout_release_ds_info,
 .mark_request_commit = pnfs_layout_mark_request_commit,
 .clear_request_commit = pnfs_generic_clear_request_commit,
 .scan_commit_lists = pnfs_generic_scan_commit_lists,
 .recover_commit_reqs = pnfs_generic_recover_commit_reqs,
 .commit_pagelist = ff_layout_commit_pagelist,
};

static struct pnfs_layoutdriver_type flexfilelayout_type = {
 .id   = LAYOUT_FLEX_FILES,
 .name   = "LAYOUT_FLEX_FILES",
 .owner   = THIS_MODULE,
 .flags   = PNFS_LAYOUTGET_ON_OPEN,
 .max_layoutget_response = 4096, /* 1 page or so... */
 .set_layoutdriver = ff_layout_set_layoutdriver,
 .alloc_layout_hdr = ff_layout_alloc_layout_hdr,
 .free_layout_hdr = ff_layout_free_layout_hdr,
 .alloc_lseg  = ff_layout_alloc_lseg,
 .free_lseg  = ff_layout_free_lseg,
 .add_lseg  = ff_layout_add_lseg,
 .pg_read_ops  = &ff_layout_pg_read_ops,
 .pg_write_ops  = &ff_layout_pg_write_ops,
 .get_ds_info  = ff_layout_get_ds_info,
 .free_deviceid_node = ff_layout_free_deviceid_node,
 .read_pagelist  = ff_layout_read_pagelist,
 .write_pagelist  = ff_layout_write_pagelist,
 .alloc_deviceid_node    = ff_layout_alloc_deviceid_node,
 .prepare_layoutreturn   = ff_layout_prepare_layoutreturn,
 .sync   = pnfs_nfs_generic_sync,
 .prepare_layoutstats = ff_layout_prepare_layoutstats,
 .cancel_io  = ff_layout_cancel_io,
};

static int __init nfs4flexfilelayout_init(void)
{
 printk(KERN_INFO "%s: NFSv4 Flexfile Layout Driver Registering...\n",
        __func__);
 return pnfs_register_layoutdriver(&flexfilelayout_type);
}

static void __exit nfs4flexfilelayout_exit(void)
{
 printk(KERN_INFO "%s: NFSv4 Flexfile Layout Driver Unregistering...\n",
        __func__);
 pnfs_unregister_layoutdriver(&flexfilelayout_type);
}

MODULE_ALIAS("nfs-layouttype4-4");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("The NFSv4 flexfile layout driver");

module_init(nfs4flexfilelayout_init);
module_exit(nfs4flexfilelayout_exit);

module_param(io_maxretrans, ushort, 0644);
MODULE_PARM_DESC(io_maxretrans, "The  number of times the NFSv4.1 client "
   "retries an I/O request before returning an error. ");