convenience helper get_tree_nodev()
counterpart of mount_nodev(). Switch hugetlb and pseudo to it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 1dcc571..a478df0 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1299,7 +1299,7 @@ static int hugetlbfs_get_tree(struct fs_context *fc)
int err = hugetlbfs_validate(fc);
if (err)
return err;
- return vfs_get_super(fc, vfs_get_independent_super, hugetlbfs_fill_super);
+ return get_tree_nodev(fc, hugetlbfs_fill_super);
}
static void hugetlbfs_fs_context_free(struct fs_context *fc)
diff --git a/fs/libfs.c b/fs/libfs.c
index 7e6811b..c9463dc 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -270,7 +270,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc)
static int pseudo_fs_get_tree(struct fs_context *fc)
{
- return vfs_get_super(fc, vfs_get_independent_super, pseudo_fs_fill_super);
+ return get_tree_nodev(fc, pseudo_fs_fill_super);
}
static void pseudo_fs_free(struct fs_context *fc)
diff --git a/fs/super.c b/fs/super.c
index ca23025..3318225 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1198,6 +1198,14 @@ int vfs_get_super(struct fs_context *fc,
}
EXPORT_SYMBOL(vfs_get_super);
+int get_tree_nodev(struct fs_context *fc,
+ int (*fill_super)(struct super_block *sb,
+ struct fs_context *fc))
+{
+ return vfs_get_super(fc, vfs_get_independent_super, fill_super);
+}
+EXPORT_SYMBOL(get_tree_nodev);
+
#ifdef CONFIG_BLOCK
static int set_bdev_super(struct super_block *s, void *data)
{
