common: pass the realtime device to xfs_db when possible

Teach xfstests to pass the realtime device to xfs_db when it supports
that option.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/common/xfs b/common/xfs
index 8b63a1d4c569762622af5e58739bce724900c641..81b894f4e8a9a98a2b83f8950d6a5e63e70407f5 100644 (file)
--- a/common/xfs
+++ b/common/xfs
@@ -308,6 +308,10 @@ _scratch_xfs_db_options()
        SCRATCH_OPTIONS=""
        [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
                SCRATCH_OPTIONS="-l$SCRATCH_LOGDEV"
+       if [ "$USE_EXTERNAL" = yes ] && [ ! -z "$SCRATCH_RTDEV" ]; then
+               $XFS_DB_PROG --help 2>&1 | grep -q -- '-R rtdev' && \
+                       SCRATCH_OPTIONS="$SCRATCH_OPTIONS -R$SCRATCH_RTDEV"
+       fi
        echo $SCRATCH_OPTIONS $* $SCRATCH_DEV
 }