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xfs: fix xfs_reflink_unshare usage of filemap_write_and_wait_range

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The final parameter of filemap_write_and_wait_range is the end of the
range to flush, not the length of the range to flush.

Fixes: 46afb0628b ("xfs: only flush the unshared range in xfs_reflink_unshare")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2021-04-28 22:41:39 -07:00
parent fd43cf600c
commit d4f74e162d
1 changed files with 2 additions and 1 deletions
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3
fs/xfs/xfs_reflink.c
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@ -1522,7 +1522,8 @@ xfs_reflink_unshare(
if (error)
goto out;
error = filemap_write_and_wait_range(inode->i_mapping, offset, len);
error = filemap_write_and_wait_range(inode->i_mapping, offset,
offset + len - 1);
if (error)
goto out;