diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-02-01 01:38:18 +0100 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-02-02 06:06:16 +0100 |
| commit | c14632ddac98dca7ab1740461fae330d09909560 (patch) | |
| tree | 11046a798b3aac1672b8f82c0a1ea7d47a4e7b94 | |
| parent | xfs: don't allow DAX on reflink filesystems (diff) | |
| download | linux-c14632ddac98dca7ab1740461fae330d09909560.tar.xz linux-c14632ddac98dca7ab1740461fae330d09909560.zip | |
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>
| -rw-r--r-- | fs/xfs/xfs_super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 0505605e25c1..96388fb9adff 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -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, |