In order to test FAN_FS_ERROR, we want to corrupt the filesystem. The
easiest way to do it is by using debugfs. Add a small helper to issue
debugfs requests. Since most likely this will be the only testcase to
need this, don't bother making it a proper helper for now.
Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>
---
testcases/kernel/syscalls/fanotify/fanotify20.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/testcases/kernel/syscalls/fanotify/fanotify20.c b/testcases/kernel/syscalls/fanotify/fanotify20.c
index 7a9601072139..e7ced28eb61d 100644
--- a/testcases/kernel/syscalls/fanotify/fanotify20.c
+++ b/testcases/kernel/syscalls/fanotify/fanotify20.c
@@ -63,6 +63,13 @@ int fd_notify;
#define EXT4_ERR_ESHUTDOWN 16
+static void do_debugfs_request(const char *dev, char *request)
+{
+ char *cmd[] = {"debugfs", "-w", dev, "-R", request, NULL};
+
+ SAFE_CMD(cmd, NULL, NULL);
+}
+
static void trigger_fs_abort(void)
{
SAFE_MOUNT(tst_device->dev, MOUNT_PATH, tst_device->fs_type,
--
2.32.0
