From: Jeff Mahoney <jeffm@suse.com>
Date: Mon, 21 Jan 2019 16:33:10 +0000 (-0500)
Subject: btrfs/010: don't run without /sys/fs/btrfs
X-Git-Tag: v2022.05.01~1283
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=5b1a503aba5f4890c2aa20a3b77ceef87427430a;p=xfstests-dev.git

btrfs/010: don't run without /sys/fs/btrfs

Older kernels don't have /sys/fs/btrfs.  btrfs/010 will happily run
until it goes to check its work against sysfs and finds those files
don't exist.  This patch introduces a require check to ensure that
the sysfs files are present before running.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
---

diff --git a/common/btrfs b/common/btrfs
index 26dc0bb9..f6513c06 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -89,6 +89,14 @@ _require_btrfs_fs_feature()
 		_notrun "Feature $feat not supported by the available btrfs version"
 }
 
+_require_btrfs_fs_sysfs()
+{
+	modprobe btrfs > /dev/null 2>&1
+	[ -e /sys/fs/btrfs/features ] || \
+		_notrun "Sysfs not supported by the available btrfs version"
+
+}
+
 _check_btrfs_filesystem()
 {
 	device=$1
diff --git a/tests/btrfs/010 b/tests/btrfs/010
index 1a5f0146..72b2c727 100755
--- a/tests/btrfs/010
+++ b/tests/btrfs/010
@@ -33,6 +33,7 @@ rm -f $seqres.full
 _supported_fs btrfs
 _supported_os Linux
 _require_test
+_require_btrfs_fs_sysfs
 
 # Create 32k extents. All of these extents will be accounted as outstanding and
 # reserved.