// SPDX-License-Identifier: GPL-2.0
/*
* Copyright ( c ) 2000 - 2003 , 2005 Silicon Graphics , Inc .
* All Rights Reserved .
*/
#ifndef __XFS_RTALLOC_H__
#define __XFS_RTALLOC_H__
/* kernel only definitions and functions */
struct xfs_mount;
struct xfs_trans;
#ifdef CONFIG_XFS_RT
/* rtgroup superblock initialization */
int xfs_rtmount_readsb(struct xfs_mount *mp);
void xfs_rtmount_freesb(struct xfs_mount *mp);
/*
* Initialize realtime fields in the mount structure .
*/
int /* error */
xfs_rtmount_init(
struct xfs_mount *mp); /* file system mount structure */
void
xfs_rtunmount_inodes(
struct xfs_mount *mp);
/*
* Get the bitmap and summary inodes into the mount structure
* at mount time .
*/
int /* error */
xfs_rtmount_inodes(
struct xfs_mount *mp); /* file system mount structure */
/*
* Grow the realtime area of the filesystem .
*/
int
xfs_growfs_rt(
struct xfs_mount *mp, /* file system mount structure */
xfs_growfs_rt_t *in); /* user supplied growfs struct */
int xfs_rtalloc_reinit_frextents(struct xfs_mount *mp);
int xfs_growfs_check_rtgeom(const struct xfs_mount *mp, xfs_rfsblock_t dblocks,
xfs_rfsblock_t rblocks, xfs_agblock_t rextsize);
#else
# define xfs_growfs_rt(mp,in) (-ENOSYS)
# define xfs_rtalloc_reinit_frextents(m) (0 )
# define xfs_rtmount_readsb(mp) (0 )
# define xfs_rtmount_freesb(mp) ((void )0 )
static inline int /* error */
xfs_rtmount_init(
xfs_mount_t *mp) /* file system mount structure */
{
if (mp->m_sb.sb_rblocks == 0 )
return 0 ;
xfs_warn(mp, "Not built with CONFIG_XFS_RT" );
return -ENOSYS;
}
# define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0 )? 0 : (-ENOSYS))
# define xfs_rtunmount_inodes(m)
static inline int
xfs_growfs_check_rtgeom(const struct xfs_mount *mp,
xfs_rfsblock_t dblocks, xfs_rfsblock_t rblocks,
xfs_extlen_t rextsize)
{
return 0 ;
}
#endif /* CONFIG_XFS_RT */
int xfs_rtallocate_rtgs(struct xfs_trans *tp, xfs_fsblock_t bno_hint,
xfs_rtxlen_t minlen, xfs_rtxlen_t maxlen, xfs_rtxlen_t prod,
bool wasdel, bool initial_user_data, xfs_rtblock_t *bno,
xfs_extlen_t *blen);
#endif /* __XFS_RTALLOC_H__ */
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