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xfs: make xfs_free_eofblocks() non-static, return EAGAIN on trylock failure

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Turn xfs_free_eofblocks() into a non-static function, return EAGAIN to
indicate trylock failure and make sure this error is not propagated in
xfs_release().

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Brian Foster 2012-11-06 09:50:41 -05:00 committed by Ben Myers
parent 72b53efa4a
commit 40165e2761
2 changed files with 4 additions and 3 deletions
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6
fs/xfs/xfs_vnodeops.c
View File

@ -151,7 +151,7 @@ xfs_readlink(
* when the link count isn't zero and by xfs_dm_punch_hole() when * when the link count isn't zero and by xfs_dm_punch_hole() when
* punching a hole to EOF. * punching a hole to EOF.
*/ */
STATIC int int
xfs_free_eofblocks( xfs_free_eofblocks(
xfs_mount_t *mp, xfs_mount_t *mp,
xfs_inode_t *ip, xfs_inode_t *ip,
@ -200,7 +200,7 @@ xfs_free_eofblocks(
if (need_iolock) { if (need_iolock) {
if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) { if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) {
xfs_trans_cancel(tp, 0); xfs_trans_cancel(tp, 0);
return 0; return EAGAIN;
} }
} }
@ -463,7 +463,7 @@ xfs_release(
return 0; return 0;
error = xfs_free_eofblocks(mp, ip, true); error = xfs_free_eofblocks(mp, ip, true);
if (error) if (error && error != EAGAIN)
return error; return error;
/* delalloc blocks after truncation means it really is dirty */ /* delalloc blocks after truncation means it really is dirty */

1
fs/xfs/xfs_vnodeops.h
View File

@ -57,5 +57,6 @@ int xfs_flush_pages(struct xfs_inode *ip, xfs_off_t first,
int xfs_wait_on_pages(struct xfs_inode *ip, xfs_off_t first, xfs_off_t last); int xfs_wait_on_pages(struct xfs_inode *ip, xfs_off_t first, xfs_off_t last);
int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t); int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
int xfs_free_eofblocks(struct xfs_mount *, struct xfs_inode *, bool);
#endif /* _XFS_VNODEOPS_H */ #endif /* _XFS_VNODEOPS_H */