[PATCH 1/2 v2] common/rc: _fs_sysfs_dname fetch fsid using btrfs tool

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Currently _fs_sysfs_dname gets fsid from the findmnt command however
this command provides the metadata_uuid in the context device is
mounted with temp-fsid. So instead, use btrfs filesystem show command to
know the temp-fsid.

Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
v2: new.

 common/rc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/rc b/common/rc
index 259a1ffb09b9..deeffe4228d4 100644
--- a/common/rc
+++ b/common/rc
@@ -4728,7 +4728,9 @@ _fs_sysfs_dname()
 
 	case "$FSTYP" in
 	btrfs)
-		findmnt -n -o UUID ${dev} ;;
+		fsid=$($BTRFS_UTIL_PROG filesystem show ${dev} | grep uuid: | \
+							awk '{print $NF}')
+		echo $fsid ;;
 	*)
 		_short_dev $dev ;;
 	esac
-- 
2.39.3




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