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authorDarrick J. Wong <darrick.wong@oracle.com>2018-10-30 10:47:16 +1100
committerDave Chinner <david@fromorbit.com>2018-10-30 10:47:16 +1100
commit7a6ccf004e234c01fb2a11771de9837c9ff3d56d (patch)
tree64937061af5c267c3d126bfb503728fb8620ca4b /fs/xfs/xfs_reflink.c
parent3f68c1f562f1e4c5e1a515b392a2e0a509a342d5 (diff)
downloadlinux-7a6ccf004e234c01fb2a11771de9837c9ff3d56d.tar.bz2
xfs: remove redundant remap partial EOF block checks
Now that we've moved the partial EOF block checks to the VFS helpers, we can remove the redundant functionality from XFS. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
-rw-r--r--fs/xfs/xfs_reflink.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 4abb2aea8f31..bccc66316cc4 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -1314,7 +1314,6 @@ xfs_reflink_remap_prep(
struct inode *inode_out = file_inode(file_out);
struct xfs_inode *dest = XFS_I(inode_out);
bool same_inode = (inode_in == inode_out);
- u64 blkmask = i_blocksize(inode_in) - 1;
ssize_t ret;
/* Lock both files against IO */
@@ -1342,24 +1341,6 @@ xfs_reflink_remap_prep(
if (ret < 0 || *len == 0)
goto out_unlock;
- /*
- * If the dedupe data matches, chop off the partial EOF block
- * from the source file so we don't try to dedupe the partial
- * EOF block.
- */
- if (remap_flags & REMAP_FILE_DEDUP) {
- *len &= ~blkmask;
- } else if (*len & blkmask) {
- /*
- * The user is attempting to share a partial EOF block,
- * if it's inside the destination EOF then reject it.
- */
- if (pos_out + *len < i_size_read(inode_out)) {
- ret = -EINVAL;
- goto out_unlock;
- }
- }
-
/* Attach dquots to dest inode before changing block map */
ret = xfs_qm_dqattach(dest);
if (ret)