nilfs2: allow nilfs_dirty_inode to mark metadata file inodes dirty

[deliverable/linux.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index 11de7c39ff76efb5fed2e09f34f0ac212df58cf0..24896e8335658c9c0ce2c81c117cb664b964da70 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -595,15 +595,16 @@ int follow_up(struct path *path)
 {
        struct vfsmount *parent;
        struct dentry *mountpoint;
-       spin_lock(&vfsmount_lock);
+
+       br_read_lock(vfsmount_lock);
        parent = path->mnt->mnt_parent;
        if (parent == path->mnt) {
-               spin_unlock(&vfsmount_lock);
+               br_read_unlock(vfsmount_lock);
                return 0;
        }
        mntget(parent);
        mountpoint = dget(path->mnt->mnt_mountpoint);
-       spin_unlock(&vfsmount_lock);
+       br_read_unlock(vfsmount_lock);
        dput(path->dentry);
        path->dentry = mountpoint;
        mntput(path->mnt);