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

Commit 71d50928 authored by Miklos Szeredi's avatar Miklos Szeredi
Browse files

ovl: use lockless_dereference() for upperdentry 



Don't open code lockless_dereference() in ovl_upperdentry_dereference().

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 91c77947

fs/overlayfs/super.c

+1 −6
Original line number Diff line number Diff line
@@ -84,12 +84,7 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry) 


static struct dentry *ovl_upperdentry_dereference(struct ovl_entry *oe)

{

	struct dentry *upperdentry = ACCESS_ONCE(oe->__upperdentry);

	/*

	 * Make sure to order reads to upperdentry wrt ovl_dentry_update()

	 */

	smp_read_barrier_depends();

	return upperdentry;

	return lockless_dereference(oe->__upperdentry);

}



void ovl_path_upper(struct dentry *dentry, struct path *path)