| Message ID | 147200525982.14738.18075322042697360316.stgit@birch.djwong.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Looks fine,
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 24ef83e..fd6be45 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1574,9 +1574,16 @@ xfs_fs_fill_super( } } - if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { + if (mp->m_sb.sb_rblocks) { + xfs_alert(mp, + "EXPERIMENTAL reverse mapping btree not compatible with realtime device!"); + error = -EINVAL; + goto out_filestream_unmount; + } xfs_alert(mp, "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); + } error = xfs_mountfs(mp); if (error)
Since the kernel doesn't currently support the realtime rmapbt, don't allow such filesystems to be mounted. Support will appear in a future release. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- fs/xfs/xfs_super.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)