Adapt this tool to call xfs_io to retrieve the UUID of a mounted filesystem. This is a precursor to enabling xfs_admin to set the UUID of a mounted filesystem. Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx> --- db/xfs_admin.sh | 61 +++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 51 insertions(+), 10 deletions(-) diff --git a/db/xfs_admin.sh b/db/xfs_admin.sh index 409975b2..b73fb3ad 100755 --- a/db/xfs_admin.sh +++ b/db/xfs_admin.sh @@ -5,8 +5,11 @@ # status=0 +require_offline="" +require_online="" DB_OPTS="" REPAIR_OPTS="" +IO_OPTS="" REPAIR_DEV_OPTS="" LOG_OPTS="" USAGE="Usage: xfs_admin [-efjlpuV] [-c 0|1] [-L label] [-O v5_feature] [-r rtdev] [-U uuid] device [logdev]" @@ -14,17 +17,37 @@ USAGE="Usage: xfs_admin [-efjlpuV] [-c 0|1] [-L label] [-O v5_feature] [-r rtdev while getopts "c:efjlL:O:pr:uU:V" c do case $c in - c) REPAIR_OPTS=$REPAIR_OPTS" -c lazycount="$OPTARG;; - e) DB_OPTS=$DB_OPTS" -c 'version extflg'";; - f) DB_OPTS=$DB_OPTS" -f";; - j) DB_OPTS=$DB_OPTS" -c 'version log2'";; + c) REPAIR_OPTS=$REPAIR_OPTS" -c lazycount="$OPTARG + require_offline=1 + ;; + e) DB_OPTS=$DB_OPTS" -c 'version extflg'" + require_offline=1 + ;; + f) DB_OPTS=$DB_OPTS" -f" + require_offline=1 + ;; + j) DB_OPTS=$DB_OPTS" -c 'version log2'" + require_offline=1 + ;; l) DB_OPTS=$DB_OPTS" -r -c label";; - L) DB_OPTS=$DB_OPTS" -c 'label "$OPTARG"'";; - O) REPAIR_OPTS=$REPAIR_OPTS" -c $OPTARG";; - p) DB_OPTS=$DB_OPTS" -c 'version projid32bit'";; - r) REPAIR_DEV_OPTS=" -r '$OPTARG'";; - u) DB_OPTS=$DB_OPTS" -r -c uuid";; - U) DB_OPTS=$DB_OPTS" -c 'uuid "$OPTARG"'";; + L) DB_OPTS=$DB_OPTS" -c 'label "$OPTARG"'" + require_offline=1 + ;; + O) REPAIR_OPTS=$REPAIR_OPTS" -c $OPTARG" + require_offline=1 + ;; + p) DB_OPTS=$DB_OPTS" -c 'version projid32bit'" + require_offline=1 + ;; + r) REPAIR_DEV_OPTS=" -r '$OPTARG'" + require_offline=1 + ;; + u) DB_OPTS=$DB_OPTS" -r -c uuid" + IO_OPTS=$IO_OPTS" -r -c fsuuid" + ;; + U) DB_OPTS=$DB_OPTS" -c 'uuid "$OPTARG"'" + require_offline=1 + ;; V) xfs_db -p xfs_admin -V status=$? exit $status @@ -38,6 +61,24 @@ set -- extra $@ shift $OPTIND case $# in 1|2) + if mntpt="$(findmnt -t xfs -f -n -o TARGET "$1" 2>/dev/null)"; then + # filesystem is mounted + if [ -n "$require_offline" ]; then + echo "$1: filesystem is mounted." + exit 2 + fi + + if [ -n "$IO_OPTS" ]; then + exec xfs_io -p xfs_admin $IO_OPTS "$mntpt" + fi + fi + + # filesystem is not mounted + if [ -n "$require_online" ]; then + echo "$1: filesystem is not mounted" + exit 2 + fi + # Pick up the log device, if present if [ -n "$2" ]; then LOG_OPTS=" -l '$2'" -- 2.25.1
