[Devel] [PATCH RH7 1/2] fs/overlay: set flag FS_VIRTUALIZED

[Pavel Tikhomirov]

these is temporary decision to make docker in CT work with overlayfs
storage driver, it can be unsafe to give access to fs-overlay module
from container.

*need to modprobe overlay module on host

https://jira.sw.ru/browse/PSBM-47280

Signed-off-by: Pavel Tikhomirov <ptikhomirov at virtuozzo.com>
---
 fs/overlayfs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 7e0388b..c20cfe9 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1129,6 +1129,7 @@ static struct file_system_type ovl_fs_type = {
 	.name		= "overlay",
 	.mount		= ovl_mount,
 	.kill_sb	= kill_anon_super,
+	.fs_flags       = FS_VIRTUALIZED,
 };
 MODULE_ALIAS_FS("overlay");
 
-- 
2.5.5