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Commit 4ebc5818 authored by Miklos Szeredi's avatar Miklos Szeredi
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ovl: allow statfs if no upper layer 



Handle "no upper layer" case in statfs.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 09e10322

fs/overlayfs/super.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -484,7 +484,7 @@ static void ovl_put_super(struct super_block *sb) 
 * @buf: The struct kstatfs to fill in with stats

 * @buf: The struct kstatfs to fill in with stats

 *

 *

 * Get the filesystem statistics.  As writes always target the upper layer

 * Get the filesystem statistics.  As writes always target the upper layer

 * filesystem pass the statfs to the same filesystem.

 * filesystem pass the statfs to the upper filesystem (if it exists)

 */

 */

static int ovl_statfs(struct dentry *dentry, struct kstatfs *buf)

static int ovl_statfs(struct dentry *dentry, struct kstatfs *buf)

{

{
@@ -493,7 +493,7 @@ static int ovl_statfs(struct dentry *dentry, struct kstatfs *buf) 
	struct path path;

	struct path path;

	int err;

	int err;





	ovl_path_upper(root_dentry, &path);

	ovl_path_real(root_dentry, &path);





	err = vfs_statfs(&path, buf);

	err = vfs_statfs(&path, buf);

	if (!err) {

	if (!err) {