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xfs: remove xfs_getsb

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Merge xfs_getsb into its only caller, and clean that one up a little bit
as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2020-09-01 10:55:47 -07:00 committed by Darrick J. Wong
parent cead0b10f5
commit b3f8e08ca8
3 changed files with 13 additions and 31 deletions
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16
fs/xfs/xfs_log_recover.c
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@ -3273,9 +3273,9 @@ xlog_do_recover(
xfs_daddr_t tail_blk) xfs_daddr_t tail_blk)
{ {
struct xfs_mount *mp = log->l_mp; struct xfs_mount *mp = log->l_mp;
struct xfs_buf *bp = mp->m_sb_bp;
struct xfs_sb *sbp = &mp->m_sb;
int error; int error;
xfs_buf_t *bp;
xfs_sb_t *sbp;
trace_xfs_log_recover(log, head_blk, tail_blk); trace_xfs_log_recover(log, head_blk, tail_blk);
@ -3289,9 +3289,8 @@ xlog_do_recover(
/* /*
* If IO errors happened during recovery, bail out. * If IO errors happened during recovery, bail out.
*/ */
if (XFS_FORCED_SHUTDOWN(mp)) { if (XFS_FORCED_SHUTDOWN(mp))
return -EIO; return -EIO;
}
/* /*
* We now update the tail_lsn since much of the recovery has completed * We now update the tail_lsn since much of the recovery has completed
@ -3305,10 +3304,12 @@ xlog_do_recover(
xlog_assign_tail_lsn(mp); xlog_assign_tail_lsn(mp);
/* /*
* Now that we've finished replaying all buffer and inode * Now that we've finished replaying all buffer and inode updates,
* updates, re-read in the superblock and reverify it. * re-read the superblock and reverify it.
*/ */
bp = xfs_getsb(mp); xfs_buf_lock(bp);
xfs_buf_hold(bp);
ASSERT(bp->b_flags & XBF_DONE);
bp->b_flags &= ~(XBF_DONE | XBF_ASYNC); bp->b_flags &= ~(XBF_DONE | XBF_ASYNC);
ASSERT(!(bp->b_flags & XBF_WRITE)); ASSERT(!(bp->b_flags & XBF_WRITE));
bp->b_flags |= XBF_READ; bp->b_flags |= XBF_READ;
@ -3325,7 +3326,6 @@ xlog_do_recover(
} }
/* Convert superblock from on-disk format */ /* Convert superblock from on-disk format */
sbp = &mp->m_sb;
xfs_sb_from_disk(sbp, bp->b_addr); xfs_sb_from_disk(sbp, bp->b_addr);
xfs_buf_relse(bp); xfs_buf_relse(bp);

17
fs/xfs/xfs_mount.c
View File

@ -1289,23 +1289,6 @@ xfs_mod_frextents(
return ret; return ret;
} }
/*
* xfs_getsb() is called to obtain the buffer for the superblock.
* The buffer is returned locked and read in from disk.
* The buffer should be released with a call to xfs_brelse().
*/
struct xfs_buf *
xfs_getsb(
struct xfs_mount *mp)
{
struct xfs_buf *bp = mp->m_sb_bp;
xfs_buf_lock(bp);
xfs_buf_hold(bp);
ASSERT(bp->b_flags & XBF_DONE);
return bp;
}
/* /*
* Used to free the superblock along various error paths. * Used to free the superblock along various error paths.
*/ */

1
fs/xfs/xfs_mount.h
View File

@ -410,7 +410,6 @@ extern int xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta,
bool reserved); bool reserved);
extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta); extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta);
extern struct xfs_buf *xfs_getsb(xfs_mount_t *);
extern int xfs_readsb(xfs_mount_t *, int); extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *); extern void xfs_freesb(xfs_mount_t *);
extern bool xfs_fs_writable(struct xfs_mount *mp, int level); extern bool xfs_fs_writable(struct xfs_mount *mp, int level);