From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Don't ever skip the realtime bitmap / summary inode initialization if there's a realtime device attached, because we'd rather fail the mount if iget declines to retrieve a NULL inode pointer. Right now, if someone sets rbmino to NULLFSINO on a rt-capable filesystem, mounts it, and writes a file to the rt device, we'll blow up. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- fs/xfs/xfs_rtalloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index aefd63d46397..18ad31ded0bf 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -1206,7 +1206,8 @@ xfs_rtmount_inodes( xfs_sb_t *sbp; sbp = &mp->m_sb; - if (sbp->sb_rbmino == NULLFSINO) + if (!xfs_sb_version_hasrealtime(&mp->m_sb) && + sbp->sb_rbmino == NULLFSINO) return 0; error = xfs_iget(mp, NULL, sbp->sb_rbmino, 0, 0, &mp->m_rbmip); if (error)