Merge branch 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...

[cascardo/linux.git] / fs / btrfs / ioctl.c

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2a47a31..9028737 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -568,6 +568,10 @@ static noinline int create_subvol(struct inode *dir,
                goto fail;
        }
 
+       mutex_lock(&new_root->objectid_mutex);
+       new_root->highest_objectid = new_dirid;
+       mutex_unlock(&new_root->objectid_mutex);
+
        /*
         * insert the directory item
         */