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Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c9
1 files changed, 8 insertions, 1 deletions
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)