/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CEPH_RADOS_H
#define CEPH_RADOS_H
/*
* Data types for the Ceph distributed object storage layer RADOS
* ( Reliable Autonomic Distributed Object Store ) .
*/
#include <linux/ceph/msgr.h>
/*
* fs id
*/
struct ceph_fsid {
unsigned char fsid[16 ];
};
static inline int ceph_fsid_compare(const struct ceph_fsid *a,
const struct ceph_fsid *b)
{
return memcmp(a, b, sizeof (*a));
}
/*
* ino , object , etc .
*/
typedef __le64 ceph_snapid_t;
#define CEPH_SNAPDIR ((__u64)(-1 )) /* reserved for hidden .snap dir */
#define CEPH_NOSNAP ((__u64)(-2 )) /* "head", "live" revision */
#define CEPH_MAXSNAP ((__u64)(-3 )) /* largest valid snapid */
struct ceph_timespec {
__le32 tv_sec;
__le32 tv_nsec;
} __attribute__ ((packed));
/*
* object layout - how objects are mapped into PGs
*/
#define CEPH_OBJECT_LAYOUT_HASH 1
#define CEPH_OBJECT_LAYOUT_LINEAR 2
#define CEPH_OBJECT_LAYOUT_HASHINO 3
/*
* pg layout - - how PGs are mapped onto ( sets of ) OSDs
*/
#define CEPH_PG_LAYOUT_CRUSH 0
#define CEPH_PG_LAYOUT_HASH 1
#define CEPH_PG_LAYOUT_LINEAR 2
#define CEPH_PG_LAYOUT_HYBRID 3
#define CEPH_PG_MAX_SIZE 32 /* max # osds in a single pg */
/*
* placement group .
* we encode this into one _ _ le64 .
*/
struct ceph_pg_v1 {
__le16 preferred; /* preferred primary osd */
__le16 ps; /* placement seed */
__le32 pool; /* object pool */
} __attribute__ ((packed));
/*
* pg_pool is a set of pgs storing a pool of objects
*
* pg_num - - base number of pseudorandomly placed pgs
*
* pgp_num - - effective number when calculating pg placement . this
* is used for pg_num increases . new pgs result in data being " split "
* into new pgs . for this to proceed smoothly , new pgs are intiially
* colocated with their parents ; that is , pgp_num doesn ' t increase
* until the new pgs have successfully split . only _ then_ are the new
* pgs placed independently .
*
* lpg_num - - localized pg count ( per device ) . replicas are randomly
* selected .
*
* lpgp_num - - as above .
*/
#define CEPH_NOPOOL ((__u64) (-1 )) /* pool id not defined */
#define CEPH_POOL_TYPE_REP 1
#define CEPH_POOL_TYPE_RAID4 2 /* never implemented */
#define CEPH_POOL_TYPE_EC 3
/*
* stable_mod func is used to control number of placement groups .
* similar to straight - up modulo , but produces a stable mapping as b
* increases over time . b is the number of bins , and bmask is the
* containing power of 2 minus 1 .
*
* b < = bmask and bmask = ( 2 * * n ) - 1
* e . g . , b = 12 - > bmask = 15 , b = 123 - > bmask = 127
*/
static inline int ceph_stable_mod(int x, int b, int bmask)
{
if ((x & bmask) < b)
return x & bmask;
else
return x & (bmask >> 1 );
}
/*
* object layout - how a given object should be stored .
*/
struct ceph_object_layout {
struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */
__le32 ol_stripe_unit; /* for per-object parity, if any */
} __attribute__ ((packed));
/*
* compound epoch + version , used by storage layer to serialize mutations
*/
struct ceph_eversion {
__le64 version;
__le32 epoch;
} __attribute__ ((packed));
/*
* osd map bits
*/
/* status bits */
#define CEPH_OSD_EXISTS (1 <<0 )
#define CEPH_OSD_UP (1 <<1 )
#define CEPH_OSD_AUTOOUT (1 <<2 ) /* osd was automatically marked out */
#define CEPH_OSD_NEW (1 <<3 ) /* osd is new, never marked in */
extern const char *ceph_osd_state_name(int s);
/* osd weights. fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */
#define CEPH_OSD_IN 0 x10000
#define CEPH_OSD_OUT 0
/* osd primary-affinity. fixed point value: 0x10000 == baseline */
#define CEPH_OSD_MAX_PRIMARY_AFFINITY 0 x10000
#define CEPH_OSD_DEFAULT_PRIMARY_AFFINITY 0 x10000
/*
* osd map flag bits
*/
#define CEPH_OSDMAP_NEARFULL (1 <<0 ) /* sync writes (near ENOSPC),
not set since ~luminous */
#define CEPH_OSDMAP_FULL (1 <<1 ) /* no data writes (ENOSPC),
not set since ~luminous */
#define CEPH_OSDMAP_PAUSERD (1 <<2 ) /* pause all reads */
#define CEPH_OSDMAP_PAUSEWR (1 <<3 ) /* pause all writes */
#define CEPH_OSDMAP_PAUSEREC (1 <<4 ) /* pause recovery */
#define CEPH_OSDMAP_NOUP (1 <<5 ) /* block osd boot */
#define CEPH_OSDMAP_NODOWN (1 <<6 ) /* block osd mark-down/failure */
#define CEPH_OSDMAP_NOOUT (1 <<7 ) /* block osd auto mark-out */
#define CEPH_OSDMAP_NOIN (1 <<8 ) /* block osd auto mark-in */
#define CEPH_OSDMAP_NOBACKFILL (1 <<9 ) /* block osd backfill */
#define CEPH_OSDMAP_NORECOVER (1 <<10 ) /* block osd recovery and backfill */
#define CEPH_OSDMAP_NOSCRUB (1 <<11 ) /* block periodic scrub */
#define CEPH_OSDMAP_NODEEP_SCRUB (1 <<12 ) /* block periodic deep-scrub */
#define CEPH_OSDMAP_NOTIERAGENT (1 <<13 ) /* disable tiering agent */
#define CEPH_OSDMAP_NOREBALANCE (1 <<14 ) /* block osd backfill unless pg is degraded */
#define CEPH_OSDMAP_SORTBITWISE (1 <<15 ) /* use bitwise hobject_t sort */
#define CEPH_OSDMAP_REQUIRE_JEWEL (1 <<16 ) /* require jewel for booting osds */
#define CEPH_OSDMAP_REQUIRE_KRAKEN (1 <<17 ) /* require kraken for booting osds */
#define CEPH_OSDMAP_REQUIRE_LUMINOUS (1 <<18 ) /* require l for booting osds */
#define CEPH_OSDMAP_RECOVERY_DELETES (1 <<19 ) /* deletes performed during recovery instead of peering */
/*
* The error code to return when an OSD can ' t handle a write
* because it is too large .
*/
#define OSD_WRITETOOBIG EMSGSIZE
/*
* osd ops
*
* WARNING : do not use these op codes directly . Use the helpers
* defined below instead . In certain cases , op code behavior was
* redefined , resulting in special - cases in the helpers .
*/
#define CEPH_OSD_OP_MODE 0 xf000
#define CEPH_OSD_OP_MODE_RD 0 x1000
#define CEPH_OSD_OP_MODE_WR 0 x2000
#define CEPH_OSD_OP_MODE_RMW 0 x3000
#define CEPH_OSD_OP_MODE_SUB 0 x4000
#define CEPH_OSD_OP_MODE_CACHE 0 x8000
#define CEPH_OSD_OP_TYPE 0 x0f00
#define CEPH_OSD_OP_TYPE_LOCK 0 x0100
#define CEPH_OSD_OP_TYPE_DATA 0 x0200
#define CEPH_OSD_OP_TYPE_ATTR 0 x0300
#define CEPH_OSD_OP_TYPE_EXEC 0 x0400
#define CEPH_OSD_OP_TYPE_PG 0 x0500
#define CEPH_OSD_OP_TYPE_MULTI 0 x0600 /* multiobject */
#define __CEPH_OSD_OP1(mode, nr) \
(CEPH_OSD_OP_MODE_## mode | (nr))
#define __CEPH_OSD_OP(mode, type, nr) \
(CEPH_OSD_OP_MODE_## mode | CEPH_OSD_OP_TYPE_## type | (nr))
#define __CEPH_FORALL_OSD_OPS(f) \
/** data **/ \
/* read */ \
f(READ, __CEPH_OSD_OP(RD, DATA, 1 ), "read" ) \
f(STAT, __CEPH_OSD_OP(RD, DATA, 2 ), "stat" ) \
f(MAPEXT, __CEPH_OSD_OP(RD, DATA, 3 ), "mapext" ) \
\
/* fancy read */ \
f(MASKTRUNC, __CEPH_OSD_OP(RD, DATA, 4 ), "masktrunc" ) \
f(SPARSE_READ, __CEPH_OSD_OP(RD, DATA, 5 ), "sparse-read" ) \
\
f(NOTIFY, __CEPH_OSD_OP(RD, DATA, 6 ), "notify" ) \
f(NOTIFY_ACK, __CEPH_OSD_OP(RD, DATA, 7 ), "notify-ack" ) \
\
/* versioning */ \
f(ASSERT_VER, __CEPH_OSD_OP(RD, DATA, 8 ), "assert-version" ) \
\
f(LIST_WATCHERS, __CEPH_OSD_OP(RD, DATA, 9 ), "list-watchers" ) \
\
f(LIST_SNAPS, __CEPH_OSD_OP(RD, DATA, 10 ), "list-snaps" ) \
\
/* sync */ \
f(SYNC_READ, __CEPH_OSD_OP(RD, DATA, 11 ), "sync_read" ) \
\
/* write */ \
f(WRITE, __CEPH_OSD_OP(WR, DATA, 1 ), "write" ) \
f(WRITEFULL, __CEPH_OSD_OP(WR, DATA, 2 ), "writefull" ) \
f(TRUNCATE, __CEPH_OSD_OP(WR, DATA, 3 ), "truncate" ) \
f(ZERO, __CEPH_OSD_OP(WR, DATA, 4 ), "zero" ) \
f(DELETE , __CEPH_OSD_OP(WR, DATA, 5 ), "delete" ) \
\
/* fancy write */ \
f(APPEND, __CEPH_OSD_OP(WR, DATA, 6 ), "append" ) \
f(SETTRUNC, __CEPH_OSD_OP(WR, DATA, 8 ), "settrunc" ) \
f(TRIMTRUNC, __CEPH_OSD_OP(WR, DATA, 9 ), "trimtrunc" ) \
\
f(TMAPUP, __CEPH_OSD_OP(RMW, DATA, 10 ), "tmapup" ) \
f(TMAPPUT, __CEPH_OSD_OP(WR, DATA, 11 ), "tmapput" ) \
f(TMAPGET, __CEPH_OSD_OP(RD, DATA, 12 ), "tmapget" ) \
\
f(CREATE, __CEPH_OSD_OP(WR, DATA, 13 ), "create" ) \
f(ROLLBACK, __CEPH_OSD_OP(WR, DATA, 14 ), "rollback" ) \
\
f(WATCH, __CEPH_OSD_OP(WR, DATA, 15 ), "watch" ) \
\
/* omap */ \
f(OMAPGETKEYS, __CEPH_OSD_OP(RD, DATA, 17 ), "omap-get-keys" ) \
f(OMAPGETVALS, __CEPH_OSD_OP(RD, DATA, 18 ), "omap-get-vals" ) \
f(OMAPGETHEADER, __CEPH_OSD_OP(RD, DATA, 19 ), "omap-get-header" ) \
f(OMAPGETVALSBYKEYS, __CEPH_OSD_OP(RD, DATA, 20 ), "omap-get-vals-by-keys" ) \
f(OMAPSETVALS, __CEPH_OSD_OP(WR, DATA, 21 ), "omap-set-vals" ) \
f(OMAPSETHEADER, __CEPH_OSD_OP(WR, DATA, 22 ), "omap-set-header" ) \
f(OMAPCLEAR, __CEPH_OSD_OP(WR, DATA, 23 ), "omap-clear" ) \
f(OMAPRMKEYS, __CEPH_OSD_OP(WR, DATA, 24 ), "omap-rm-keys" ) \
f(OMAP_CMP, __CEPH_OSD_OP(RD, DATA, 25 ), "omap-cmp" ) \
\
/* tiering */ \
f(COPY_FROM, __CEPH_OSD_OP(WR, DATA, 26 ), "copy-from" ) \
f(COPY_FROM2, __CEPH_OSD_OP(WR, DATA, 45 ), "copy-from2" ) \
f(COPY_GET_CLASSIC, __CEPH_OSD_OP(RD, DATA, 27 ), "copy-get-classic" ) \
f(UNDIRTY, __CEPH_OSD_OP(WR, DATA, 28 ), "undirty" ) \
f(ISDIRTY, __CEPH_OSD_OP(RD, DATA, 29 ), "isdirty" ) \
f(COPY_GET, __CEPH_OSD_OP(RD, DATA, 30 ), "copy-get" ) \
f(CACHE_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 31 ), "cache-flush" ) \
f(CACHE_EVICT, __CEPH_OSD_OP(CACHE, DATA, 32 ), "cache-evict" ) \
f(CACHE_TRY_FLUSH, __CEPH_OSD_OP(CACHE, DATA, 33 ), "cache-try-flush" ) \
\
/* convert tmap to omap */ \
f(TMAP2OMAP, __CEPH_OSD_OP(RMW, DATA, 34 ), "tmap2omap" ) \
\
/* hints */ \
f(SETALLOCHINT, __CEPH_OSD_OP(WR, DATA, 35 ), "set-alloc-hint" ) \
\
/** multi **/ \
f(CLONERANGE, __CEPH_OSD_OP(WR, MULTI, 1 ), "clonerange" ) \
f(ASSERT_SRC_VERSION, __CEPH_OSD_OP(RD, MULTI, 2 ), "assert-src-version" ) \
f(SRC_CMPXATTR, __CEPH_OSD_OP(RD, MULTI, 3 ), "src-cmpxattr" ) \
\
/** attrs **/ \
/* read */ \
f(GETXATTR, __CEPH_OSD_OP(RD, ATTR, 1 ), "getxattr" ) \
f(GETXATTRS, __CEPH_OSD_OP(RD, ATTR, 2 ), "getxattrs" ) \
f(CMPXATTR, __CEPH_OSD_OP(RD, ATTR, 3 ), "cmpxattr" ) \
\
/* write */ \
f(SETXATTR, __CEPH_OSD_OP(WR, ATTR, 1 ), "setxattr" ) \
f(SETXATTRS, __CEPH_OSD_OP(WR, ATTR, 2 ), "setxattrs" ) \
f(RESETXATTRS, __CEPH_OSD_OP(WR, ATTR, 3 ), "resetxattrs" ) \
f(RMXATTR, __CEPH_OSD_OP(WR, ATTR, 4 ), "rmxattr" ) \
\
/** subop **/ \
f(PULL, __CEPH_OSD_OP1(SUB, 1 ), "pull" ) \
f(PUSH, __CEPH_OSD_OP1(SUB, 2 ), "push" ) \
f(BALANCEREADS, __CEPH_OSD_OP1(SUB, 3 ), "balance-reads" ) \
f(UNBALANCEREADS, __CEPH_OSD_OP1(SUB, 4 ), "unbalance-reads" ) \
f(SCRUB, __CEPH_OSD_OP1(SUB, 5 ), "scrub" ) \
f(SCRUB_RESERVE, __CEPH_OSD_OP1(SUB, 6 ), "scrub-reserve" ) \
f(SCRUB_UNRESERVE, __CEPH_OSD_OP1(SUB, 7 ), "scrub-unreserve" ) \
f(SCRUB_STOP, __CEPH_OSD_OP1(SUB, 8 ), "scrub-stop" ) \
f(SCRUB_MAP, __CEPH_OSD_OP1(SUB, 9 ), "scrub-map" ) \
\
/** lock **/ \
f(WRLOCK, __CEPH_OSD_OP(WR, LOCK, 1 ), "wrlock" ) \
f(WRUNLOCK, __CEPH_OSD_OP(WR, LOCK, 2 ), "wrunlock" ) \
f(RDLOCK, __CEPH_OSD_OP(WR, LOCK, 3 ), "rdlock" ) \
f(RDUNLOCK, __CEPH_OSD_OP(WR, LOCK, 4 ), "rdunlock" ) \
f(UPLOCK, __CEPH_OSD_OP(WR, LOCK, 5 ), "uplock" ) \
f(DNLOCK, __CEPH_OSD_OP(WR, LOCK, 6 ), "dnlock" ) \
\
/** exec **/ \
/* note: the RD bit here is wrong; see special-case below in helper */ \
f(CALL, __CEPH_OSD_OP(RD, EXEC, 1 ), "call" ) \
\
/** pg **/ \
f(PGLS, __CEPH_OSD_OP(RD, PG, 1 ), "pgls" ) \
f(PGLS_FILTER, __CEPH_OSD_OP(RD, PG, 2 ), "pgls-filter" ) \
f(PG_HITSET_LS, __CEPH_OSD_OP(RD, PG, 3 ), "pg-hitset-ls" ) \
f(PG_HITSET_GET, __CEPH_OSD_OP(RD, PG, 4 ), "pg-hitset-get" )
enum {
#define GENERATE_ENUM_ENTRY(op, opcode, str) CEPH_OSD_OP_## op = (opcode),
__CEPH_FORALL_OSD_OPS(GENERATE_ENUM_ENTRY)
#undef GENERATE_ENUM_ENTRY
};
static inline int ceph_osd_op_type_lock(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;
}
static inline int ceph_osd_op_type_data(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;
}
static inline int ceph_osd_op_type_attr(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;
}
static inline int ceph_osd_op_type_exec(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;
}
static inline int ceph_osd_op_type_pg(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
}
static inline int ceph_osd_op_type_multi(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI;
}
static inline int ceph_osd_op_mode_subop(int op)
{
return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;
}
static inline int ceph_osd_op_mode_read(int op)
{
return (op & CEPH_OSD_OP_MODE_RD) &&
op != CEPH_OSD_OP_CALL;
}
static inline int ceph_osd_op_mode_modify(int op)
{
return op & CEPH_OSD_OP_MODE_WR;
}
/*
* note that the following tmap stuff is also defined in the ceph librados . h
* any modification here needs to be updated there
*/
#define CEPH_OSD_TMAP_HDR 'h'
#define CEPH_OSD_TMAP_SET 's'
#define CEPH_OSD_TMAP_CREATE 'c' /* create key */
#define CEPH_OSD_TMAP_RM 'r'
#define CEPH_OSD_TMAP_RMSLOPPY 'R'
extern const char *ceph_osd_op_name(int op);
/*
* osd op flags
*
* An op may be READ , WRITE , or READ | WRITE .
*/
enum {
CEPH_OSD_FLAG_ACK = 0 x0001, /* want (or is) "ack" ack */
CEPH_OSD_FLAG_ONNVRAM = 0 x0002, /* want (or is) "onnvram" ack */
CEPH_OSD_FLAG_ONDISK = 0 x0004, /* want (or is) "ondisk" ack */
CEPH_OSD_FLAG_RETRY = 0 x0008, /* resend attempt */
CEPH_OSD_FLAG_READ = 0 x0010, /* op may read */
CEPH_OSD_FLAG_WRITE = 0 x0020, /* op may write */
CEPH_OSD_FLAG_ORDERSNAP = 0 x0040, /* EOLDSNAP if snapc is out of order */
CEPH_OSD_FLAG_PEERSTAT_OLD = 0 x0080, /* DEPRECATED msg includes osd_peer_stat */
CEPH_OSD_FLAG_BALANCE_READS = 0 x0100,
CEPH_OSD_FLAG_PARALLELEXEC = 0 x0200, /* execute op in parallel */
CEPH_OSD_FLAG_PGOP = 0 x0400, /* pg op, no object */
CEPH_OSD_FLAG_EXEC = 0 x0800, /* op may exec */
CEPH_OSD_FLAG_EXEC_PUBLIC = 0 x1000, /* DEPRECATED op may exec (public) */
CEPH_OSD_FLAG_LOCALIZE_READS = 0 x2000, /* read from nearby replica, if any */
CEPH_OSD_FLAG_RWORDERED = 0 x4000, /* order wrt concurrent reads */
CEPH_OSD_FLAG_IGNORE_CACHE = 0 x8000, /* ignore cache logic */
CEPH_OSD_FLAG_SKIPRWLOCKS = 0 x10000, /* skip rw locks */
CEPH_OSD_FLAG_IGNORE_OVERLAY = 0 x20000, /* ignore pool overlay */
CEPH_OSD_FLAG_FLUSH = 0 x40000, /* this is part of flush */
CEPH_OSD_FLAG_MAP_SNAP_CLONE = 0 x80000, /* map snap direct to clone id */
CEPH_OSD_FLAG_ENFORCE_SNAPC = 0 x100000, /* use snapc provided even if
pool uses pool snaps */
CEPH_OSD_FLAG_REDIRECTED = 0 x200000, /* op has been redirected */
CEPH_OSD_FLAG_KNOWN_REDIR = 0 x400000, /* redirect bit is authoritative */
CEPH_OSD_FLAG_FULL_TRY = 0 x800000, /* try op despite full flag */
CEPH_OSD_FLAG_FULL_FORCE = 0 x1000000, /* force op despite full flag */
};
enum {
CEPH_OSD_OP_FLAG_EXCL = 1 , /* EXCL object create */
CEPH_OSD_OP_FLAG_FAILOK = 2 , /* continue despite failure */
CEPH_OSD_OP_FLAG_FADVISE_RANDOM = 0 x4, /* the op is random */
CEPH_OSD_OP_FLAG_FADVISE_SEQUENTIAL = 0 x8, /* the op is sequential */
CEPH_OSD_OP_FLAG_FADVISE_WILLNEED = 0 x10,/* data will be accessed in
the near future */
CEPH_OSD_OP_FLAG_FADVISE_DONTNEED = 0 x20,/* data will not be accessed
in the near future */
CEPH_OSD_OP_FLAG_FADVISE_NOCACHE = 0 x40,/* data will be accessed only
once by this client */
};
#define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/
#define EBLOCKLISTED ESHUTDOWN /* blocklisted */
/* xattr comparison */
enum {
CEPH_OSD_CMPXATTR_OP_NOP = 0 ,
CEPH_OSD_CMPXATTR_OP_EQ = 1 ,
CEPH_OSD_CMPXATTR_OP_NE = 2 ,
CEPH_OSD_CMPXATTR_OP_GT = 3 ,
CEPH_OSD_CMPXATTR_OP_GTE = 4 ,
CEPH_OSD_CMPXATTR_OP_LT = 5 ,
CEPH_OSD_CMPXATTR_OP_LTE = 6
};
enum {
CEPH_OSD_CMPXATTR_MODE_STRING = 1 ,
CEPH_OSD_CMPXATTR_MODE_U64 = 2
};
enum {
CEPH_OSD_COPY_FROM_FLAG_FLUSH = 1 , /* part of a flush operation */
CEPH_OSD_COPY_FROM_FLAG_IGNORE_OVERLAY = 2 , /* ignore pool overlay */
CEPH_OSD_COPY_FROM_FLAG_IGNORE_CACHE = 4 , /* ignore osd cache logic */
CEPH_OSD_COPY_FROM_FLAG_MAP_SNAP_CLONE = 8 , /* map snap direct to
* cloneid */
CEPH_OSD_COPY_FROM_FLAG_RWORDERED = 16 , /* order with write */
CEPH_OSD_COPY_FROM_FLAG_TRUNCATE_SEQ = 32 , /* send truncate_{seq,size} */
};
enum {
CEPH_OSD_WATCH_OP_UNWATCH = 0 ,
CEPH_OSD_WATCH_OP_LEGACY_WATCH = 1 ,
/* note: use only ODD ids to prevent pre-giant code from
interpreting the op as UNWATCH */
CEPH_OSD_WATCH_OP_WATCH = 3 ,
CEPH_OSD_WATCH_OP_RECONNECT = 5 ,
CEPH_OSD_WATCH_OP_PING = 7 ,
};
const char *ceph_osd_watch_op_name(int o);
enum {
CEPH_OSD_ALLOC_HINT_FLAG_SEQUENTIAL_WRITE = 1 ,
CEPH_OSD_ALLOC_HINT_FLAG_RANDOM_WRITE = 2 ,
CEPH_OSD_ALLOC_HINT_FLAG_SEQUENTIAL_READ = 4 ,
CEPH_OSD_ALLOC_HINT_FLAG_RANDOM_READ = 8 ,
CEPH_OSD_ALLOC_HINT_FLAG_APPEND_ONLY = 16 ,
CEPH_OSD_ALLOC_HINT_FLAG_IMMUTABLE = 32 ,
CEPH_OSD_ALLOC_HINT_FLAG_SHORTLIVED = 64 ,
CEPH_OSD_ALLOC_HINT_FLAG_LONGLIVED = 128 ,
CEPH_OSD_ALLOC_HINT_FLAG_COMPRESSIBLE = 256 ,
CEPH_OSD_ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512 ,
};
enum {
CEPH_OSD_BACKOFF_OP_BLOCK = 1 ,
CEPH_OSD_BACKOFF_OP_ACK_BLOCK = 2 ,
CEPH_OSD_BACKOFF_OP_UNBLOCK = 3 ,
};
/*
* an individual object operation . each may be accompanied by some data
* payload
*/
struct ceph_osd_op {
__le16 op; /* CEPH_OSD_OP_* */
__le32 flags; /* CEPH_OSD_OP_FLAG_* */
union {
struct {
__le64 offset, length;
__le64 truncate_size;
__le32 truncate_seq;
} __attribute__ ((packed)) extent;
struct {
__le32 name_len;
__le32 value_len;
__u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */
__u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */
} __attribute__ ((packed)) xattr;
struct {
__u8 class_len;
__u8 method_len;
__u8 argc;
__le32 indata_len;
} __attribute__ ((packed)) cls;
struct {
__le64 cookie, count;
} __attribute__ ((packed)) pgls;
struct {
__le64 snapid;
} __attribute__ ((packed)) snap;
struct {
__le64 cookie;
__le64 ver; /* no longer used */
__u8 op; /* CEPH_OSD_WATCH_OP_* */
__le32 gen; /* registration generation */
} __attribute__ ((packed)) watch;
struct {
__le64 cookie;
} __attribute__ ((packed)) notify;
struct {
__le64 unused;
__le64 ver;
} __attribute__ ((packed)) assert_ver;
struct {
__le64 offset, length;
__le64 src_offset;
} __attribute__ ((packed)) clonerange;
struct {
__le64 expected_object_size;
__le64 expected_write_size;
__le32 flags; /* CEPH_OSD_OP_ALLOC_HINT_FLAG_* */
} __attribute__ ((packed)) alloc_hint;
struct {
__le64 snapid;
__le64 src_version;
__u8 flags; /* CEPH_OSD_COPY_FROM_FLAG_* */
/*
* CEPH_OSD_OP_FLAG_FADVISE_ * : fadvise flags
* for src object , flags for dest object are in
* ceph_osd_op : : flags .
*/
__le32 src_fadvise_flags;
} __attribute__ ((packed)) copy_from;
};
__le32 payload_len;
} __attribute__ ((packed));
#endif
Messung V0.5 in Prozent C=93 H=100 G=96
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