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xfs: fix xfs_reflink_unshare usage of filemap_write_and_wait_range

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commit d4f74e162d upstream.

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>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Darrick J. Wong 2022-07-03 08:04:56 +03:00 committed by Greg Kroah-Hartman
parent f874e16870
commit 9203dfb3ed
1 changed files with 2 additions and 1 deletions
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3
fs/xfs/xfs_reflink.c
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@ -1503,7 +1503,8 @@ 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;