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@xxxxxxxxxx>
---
common/btrfs | 14 ++++++++++++++
1 file changed, 14 insertions(+)
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"
+}
--
2.27.0
