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| author | Anand Jain <anand.jain@oracle.com> | 2024-02-20 03:48:47 +0800 |
|---|---|---|
| committer | Zorro Lang <zlang@kernel.org> | 2024-03-01 19:22:36 +0800 |
| commit | 3ec2d4378c6c2021951d3705f27f0e6807196401 (patch) | |
| tree | 70b5f479c098600e5099349e94f9638c5f611f97 | |
| parent | 5673516f98243e5dfff9f6ecb967b1255fb0ebb1 (diff) | |
| download | xfstests-dev-3ec2d4378c6c2021951d3705f27f0e6807196401.tar.gz | |
btrfs: introduce helper for creating cloned devices with mkfs
Use newer mkfs.btrfs option to generate two cloned devices,
used in test cases.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
| -rw-r--r-- | common/btrfs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/common/btrfs b/common/btrfs index fe6fc2196e..7141a0bb7b 100644 --- a/common/btrfs +++ b/common/btrfs @@ -843,3 +843,26 @@ check_fsid() echo -e -n "Tempfsid status:\t" cat /sys/fs/btrfs/$tempfsid/temp_fsid } + +mkfs_clone() +{ + local fsid + local uuid + local dev1=$1 + local dev2=$2 + + _require_btrfs_command inspect-internal dump-super + _require_btrfs_mkfs_uuid_option + + [[ -z $dev1 || -z $dev2 ]] && \ + _fail "mkfs_clone requires two devices as arguments" + + _mkfs_dev -fq $dev1 + + fsid=$($BTRFS_UTIL_PROG inspect-internal dump-super $dev1 | \ + grep -E ^fsid | $AWK_PROG '{print $2}') + uuid=$($BTRFS_UTIL_PROG inspect-internal dump-super $dev1 | \ + grep -E ^dev_item.uuid | $AWK_PROG '{print $2}') + + _mkfs_dev -fq --uuid $fsid --device-uuid $uuid $dev2 +} |