Improve the _require_cgroup2 helper to print a more useful message
if the cgroup2 fs is not mounted.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
common/cgroup2 | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/common/cgroup2 b/common/cgroup2
index f89825e2..8833c9c8 100644
--- a/common/cgroup2
+++ b/common/cgroup2
@@ -4,9 +4,14 @@ export CGROUP2_PATH="${CGROUP2_PATH:-/sys/fs/cgroup}"
_require_cgroup2()
{
+ if [ `findmnt -d backward -n -o FSTYPE -f ${CGROUP2_PATH}` != "cgroup2" ]; then
+ _notrun "cgroup2 not mounted on ${CGROUP2_PATH}"
+ fi
+
if [ ! -f "${CGROUP2_PATH}/cgroup.subtree_control" ]; then
_notrun "Test requires cgroup2 enabled"
fi
+
if [[ ! $(cat ${CGROUP2_PATH}/cgroup.controllers) =~ $1 ]]; then
_notrun "Cgroup2 doesn't support $1 controller $1"
fi
--
2.20.1
