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xfs: reflink should force the log out if mounted with wsync

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Reflink should force the log out to disk if the filesystem was mounted
with wsync, the same as most other operations in xfs.

[Note: XFS_MOUNT_WSYNC is set when the admin mounts the filesystem
with either the 'wsync' or 'sync' mount options, which effectively means
that we're classifying reflink/dedupe as IO operations and making them
synchronous when required.]

Fixes: 3fc9f5e409 ("xfs: remove xfs_reflink_remap_range")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
[darrick: add more to the changelog]
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2020-04-03 11:45:37 -07:00 committed by Darrick J. Wong
parent 54fbdd1035
commit 5833112df7
1 changed files with 4 additions and 0 deletions
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4
fs/xfs/xfs_file.c
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@ -1059,7 +1059,11 @@ xfs_file_remap_range(
ret = xfs_reflink_update_dest(dest, pos_out + len, cowextsize,
remap_flags);
if (ret)
goto out_unlock;
if (mp->m_flags & XFS_MOUNT_WSYNC)
xfs_log_force_inode(dest);
out_unlock:
xfs_reflink_remap_unlock(file_in, file_out);
if (ret)