[CRIU] [PATCH 2/9] tmpfs: use the --one-file-system option for dumping tmpfs with help tar

[Andrey Vagin]

Actully for dumping tmpfs it should be remounted to somewhere else to
avoid overmounts.

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 mount.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mount.c b/mount.c
index 74e7748..fbc9f7d 100644
--- a/mount.c
+++ b/mount.c
@@ -276,6 +276,7 @@ static int tmpfs_dump(struct mount_info *pm)
 	ret = cr_system(-1, fd_img, -1, "tar", (char *[])
 			{ "tar", "--create",
 			"--gzip",
+			"--one-file-system",
 			"--check-links",
 			"--preserve-permissions",
 			"--sparse",
-- 
1.8.3.1