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Merge branch 'xfs-free-inode-btree' into for-next

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This commit is contained in:
Dave Chinner
2014-05-15 09:37:44 +10:00
parent 232c2f5c65 53801fd97a
commit b76769294b
18 changed files with 855 additions and 140 deletions
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28
fs/xfs/xfs_inode.c
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@@ -1811,9 +1811,33 @@ xfs_inactive_ifree(
int error;
tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree, 0, 0);
/*
* The ifree transaction might need to allocate blocks for record
* insertion to the finobt. We don't want to fail here at ENOSPC, so
* allow ifree to dip into the reserved block pool if necessary.
*
* Freeing large sets of inodes generally means freeing inode chunks,
* directory and file data blocks, so this should be relatively safe.
* Only under severe circumstances should it be possible to free enough
* inodes to exhaust the reserve block pool via finobt expansion while
* at the same time not creating free space in the filesystem.
*
* Send a warning if the reservation does happen to fail, as the inode
* now remains allocated and sits on the unlinked list until the fs is
* repaired.
*/
tp->t_flags |= XFS_TRANS_RESERVE;
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ifree,
XFS_IFREE_SPACE_RES(mp), 0);
if (error) {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
if (error == ENOSPC) {
xfs_warn_ratelimited(mp,
"Failed to remove inode(s) from unlinked list. "
"Please free space, unmount and run xfs_repair.");
} else {
ASSERT(XFS_FORCED_SHUTDOWN(mp));
}
xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES);
return error;
}