[PATCH v3] common/rc: support f2fs in _require_fanotify_ioerrors()

f2fs has supported to report fserror, this patch adds support for f2fs
in _require_fanotify_ioerrors(), so that we can run generic/791 on f2fs.

Cc: Darrick J. Wong <[email protected]>
Signed-off-by: Chao Yu <[email protected]>
---
v3:
- fix to chech sysfs node correctly
 common/rc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/rc b/common/rc
index 106f044ad..3a8f03412 100644
--- a/common/rc
+++ b/common/rc
@@ -6266,6 +6266,12 @@ _require_fanotify_ioerrors()
 		x="$(_get_fs_sysfs_attr $TEST_DEV err_report_sec)"
 		test -n "$x" && return 0
 		;;
+	f2fs)
+		local feat_file="/sys/fs/f2fs/features/fserror"
+		if [ -f "$feat_file" ] && [ "$(cat "$feat_file")" = "supported" ]; then
+			return 0
+		fi
+		;;
 	esac
 
 	_notrun "$FSTYP does not support fanotify ioerrors"
-- 
2.49.0