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xfs: don't allow reflink + realtime filesystems 

We don't support realtime filesystems with reflink either, so fail
those mounts.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
This commit is contained in:
Darrick J. Wong 2018-01-31 16:38:18 -08:00
parent b6e03c10bf
commit c14632ddac
1 changed files with 7 additions and 0 deletions
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7
fs/xfs/xfs_super.c
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@ -1684,6 +1684,13 @@ xfs_fs_fill_super(
}
}
if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) {
xfs_alert(mp,
"reflink not compatible with realtime device!");
error = -EINVAL;
goto out_filestream_unmount;
}
if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
if (mp->m_sb.sb_rblocks) {
xfs_alert(mp,