switch get_sb_ns() users

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 12 insertions, 15 deletions

diff --git a/fs/super.c b/fs/super.c
index f6a7bf1fff2b..ca696155cd9a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -715,15 +715,14 @@ static int ns_set_super(struct super_block *sb, void *data)
         return set_anon_super(sb, NULL);
 }
 
-int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
-        int (*fill_super)(struct super_block *, void *, int),
-        struct vfsmount *mnt)
+struct dentry *mount_ns(struct file_system_type *fs_type, int flags,
+        void *data, int (*fill_super)(struct super_block *, void *, int))
 {
         struct super_block *sb;
 
         sb = sget(fs_type, ns_test_super, ns_set_super, data);
         if (IS_ERR(sb))
-                return PTR_ERR(sb);
+                return ERR_CAST(sb);
 
         if (!sb->s_root) {
                 int err;
@@ -731,17 +730,16 @@ int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
                 err = fill_super(sb, data, flags & MS_SILENT ? 1 : 0);
                 if (err) {
                         deactivate_locked_super(sb);
-                        return err;
+                        return ERR_PTR(err);
                 }
 
                 sb->s_flags |= MS_ACTIVE;
         }
 
-        simple_set_mnt(mnt, sb);
-        return 0;
+        return dget(sb->s_root);
 }
 
-EXPORT_SYMBOL(get_sb_ns);
+EXPORT_SYMBOL(mount_ns);
 
 #ifdef CONFIG_BLOCK
 static int set_bdev_super(struct super_block *s, void *data)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 43e6cfb5cbb3..4d07902bc50c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1789,9 +1789,8 @@ struct file_system_type {
         struct lock_class_key i_alloc_sem_key;
 };
 
-extern int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
-        int (*fill_super)(struct super_block *, void *, int),
-        struct vfsmount *mnt);
+extern struct dentry *mount_ns(struct file_system_type *fs_type, int flags,
+        void *data, int (*fill_super)(struct super_block *, void *, int));
 extern struct dentry *mount_bdev(struct file_system_type *fs_type,
         int flags, const char *dev_name, void *data,
         int (*fill_super)(struct super_block *, void *, int));
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 3a61ffefe884..035f4399edbc 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -211,13 +211,13 @@ out:
         return error;
 }
 
-static int mqueue_get_sb(struct file_system_type *fs_type,
+static struct dentry *mqueue_mount(struct file_system_type *fs_type,
                          int flags, const char *dev_name,
-                         void *data, struct vfsmount *mnt)
+                         void *data)
 {
         if (!(flags & MS_KERNMOUNT))
                 data = current->nsproxy->ipc_ns;
-        return get_sb_ns(fs_type, flags, data, mqueue_fill_super, mnt);
+        return mount_ns(fs_type, flags, data, mqueue_fill_super);
 }
 
 static void init_once(void *foo)
@@ -1232,7 +1232,7 @@ static const struct super_operations mqueue_super_ops = {
 
 static struct file_system_type mqueue_fs_type = {
         .name = "mqueue",
-        .get_sb = mqueue_get_sb,
+        .mount = mqueue_mount,
         .kill_sb = kill_litter_super,
 };