diff mbox series

[1/3] common/btrfs: add _require_btrfs_sysfs_fsid helper

Message ID a256725f520c555f3b6295e09f70ceabddd69288.1634713680.git.anand.jain@oracle.com (mailing list archive)
State New, archived
Headers show
Series fstests: btrfs validate sysfs fsid and usage | expand

Commit Message

Anand Jain Oct. 20, 2021, 7:16 a.m. UTC 
It checks if the kernel has the following patch
 btrfs: sysfs add devinfo/fsid to retrieve fsid from the device
that added sysfs interface to get fsid.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 common/btrfs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/common/btrfs b/common/btrfs
index ac880bddf524..5d938c19b56a 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -445,3 +445,17 @@  _scratch_btrfs_is_zoned()
 	[ `_zone_type ${SCRATCH_DEV}` != "none" ] && return 0
 	return 1
 }
+
+_require_btrfs_sysfs_fsid()
+{
+	local fsid
+
+	fsid=$($BTRFS_UTIL_PROG filesystem show $TEST_DIR |grep uuid: |\
+	       awk '{print $NF}')
+
+	# Check if the kernel has sysfs fsid support.
+	# Following kernel patch adds it:
+	#   btrfs: sysfs add devinfo/fsid to retrieve fsid from the device
+	test -f /sys/fs/btrfs/$fsid/devinfo/1/fsid ||\
+		_notrun "Need btrfs sysfs fsid support"
+}