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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-04-10 08:28:33 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-04-10 08:28:33 -0700 |
| commit | 4919d42ab69a4e4601f3cd20a9540f3835e0dd48 (patch) | |
| tree | dd6518a92d3575e8d944fd8b0583a531bae7616d /fs/xfs/xfs_inode.c | |
| parent | a1f69417c6f4d1c5280ffb795da7778cba1e1451 (diff) | |
| download | linux-4919d42ab69a4e4601f3cd20a9540f3835e0dd48.tar.bz2 | |
xfs: only cancel cow blocks when truncating the data fork
In xfs_itruncate_extents, only cancel cow blocks and clear the reflink
flag if we were asked to truncate the data fork. Attr fork blocks
cannot be shared, so this makes no sense.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_inode.c')
| -rw-r--r-- | fs/xfs/xfs_inode.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index c09774ca53ae..2b70c8b4cee2 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1602,13 +1602,15 @@ xfs_itruncate_extents( goto out; } - /* Remove all pending CoW reservations. */ - error = xfs_reflink_cancel_cow_blocks(ip, &tp, first_unmap_block, - last_block, true); - if (error) - goto out; + if (whichfork == XFS_DATA_FORK) { + /* Remove all pending CoW reservations. */ + error = xfs_reflink_cancel_cow_blocks(ip, &tp, + first_unmap_block, last_block, true); + if (error) + goto out; - xfs_itruncate_clear_reflink_flags(ip); + xfs_itruncate_clear_reflink_flags(ip); + } /* * Always re-log the inode so that our permanent transaction can keep |