Files on FUSE can change at any point in time without notifying the
kernel. This patch sets the new fs_type flag FS_UNTRUSTED to indicate
that the filesystem is untrusted.
(This patch is based on Alban Crequy's use of fs_flags.)
Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
Cc: Seth Forshee <seth.forshee@xxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Dongsu Park <dongsu@xxxxxxxxxx>
Cc: Alban Crequy <alban@xxxxxxxxxx>
Cc: "Serge E. Hallyn" <serge@xxxxxxxxxx>
---
fs/fuse/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 624f18bbfd2b..dad65a3c7388 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1205,7 +1205,7 @@ static void fuse_kill_sb_anon(struct super_block *sb)
static struct file_system_type fuse_fs_type = {
.owner = THIS_MODULE,
.name = "fuse",
- .fs_flags = FS_HAS_SUBTYPE,
+ .fs_flags = FS_HAS_SUBTYPE | FS_UNTRUSTED,
.mount = fuse_mount,
.kill_sb = fuse_kill_sb_anon,
};
--
2.7.5
