Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit dd5cae6e authored by Al Viro's avatar Al Viro
Browse files

Don't bother with check_mnt() in do_add_mount() on shrinkable ones 



These guys are what we add as submounts; checks for "is that attached in
our namespace" are simply irrelevant for those and counterproductive for
use of private vfsmount trees a-la what NFS folks want.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 5b857119

fs/namespace.c

+1 −1
Original line number Diff line number Diff line
@@ -1698,7 +1698,7 @@ int do_add_mount(struct vfsmount *newmnt, struct path *path, 
	       follow_down(&path->mnt, &path->dentry))

		;

	err = -EINVAL;

	if (!check_mnt(path->mnt))

	if (!(mnt_flags & MNT_SHRINKABLE) && !check_mnt(path->mnt))

		goto unlock;



	/* Refuse the same filesystem on the same mount point */