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authorChristoph Hellwig <hch@lst.de>2018-07-11 22:25:59 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-11 22:25:59 -0700
commitfca8c805425c0d9435097a6c780e95332e54613a (patch)
tree7f2fa7bf4e3dc5386e5f6a3a2df28af7537de20a /fs/xfs/xfs_aops.c
parenta7b28f72ab90fe7a2f438360df5f6fda4237afdc (diff)
xfs: remove xfs_reflink_trim_irec_to_next_cow
We already have to check for overlapping COW extents everytime we come back to a page in xfs_writepage_map / xfs_map_cow, so this additional trim is not required. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-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>
Diffstat (limited to 'fs/xfs/xfs_aops.c')
-rw-r--r--fs/xfs/xfs_aops.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 6b6150683343..08605432c497 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -404,13 +404,6 @@ xfs_map_blocks(
offset_fsb = XFS_B_TO_FSBT(mp, offset);
error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb,
imap, &nimaps, XFS_BMAPI_ENTIRE);
- /*
- * Truncate an overwrite extent if there's a pending CoW
- * reservation before the end of this extent. This forces us
- * to come back to writepage to take care of the CoW.
- */
- if (nimaps && type == XFS_IO_OVERWRITE)
- xfs_reflink_trim_irec_to_next_cow(ip, offset_fsb, imap);
xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (error)