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xfs: defer agfl frees from directory op transactions 

Directory operations can perform block allocations as entries are
added/removed from directories. Defer AGFL block frees from the
remaining directory operation transactions. This covers the hard
link, remove and rename operations.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Brian Foster 2018-05-07 17:38:48 -07:00 committed by Darrick J. Wong
parent 8b922f0e6a
commit 8804630e1e
1 changed files with 3 additions and 0 deletions
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3
fs/xfs/xfs_inode.c
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@ -1464,6 +1464,7 @@ xfs_link(
}
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
/*
* Handle initial link state of O_TMPFILE inode
@ -2661,6 +2662,7 @@ xfs_remove(
goto out_trans_cancel;
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &dfops, resblks);
if (error) {
@ -3028,6 +3030,7 @@ xfs_rename(
}
xfs_defer_init(&dfops, &first_block);
tp->t_agfl_dfops = &dfops;
/* RENAME_EXCHANGE is unique from here on. */
if (flags & RENAME_EXCHANGE)