Commit 2ac295d4 authored by Al Viro's avatar Al Viro
Browse files

convenience helper get_tree_nodev() 



counterpart of mount_nodev().  Switch hugetlb and pseudo to it.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 023d066a

fs/hugetlbfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

fs/libfs.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

fs/super.c

+8 −0
Original line number Diff line number Diff line
@@ -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)

{

include/linux/fs_context.h

+3 −0
Original line number Diff line number Diff line
@@ -151,6 +151,9 @@ extern int vfs_get_super(struct fs_context *fc, 
			 enum vfs_get_super_keying keying,

			 int (*fill_super)(struct super_block *sb,

					   struct fs_context *fc));

extern int get_tree_nodev(struct fs_context *fc,

			 int (*fill_super)(struct super_block *sb,

					   struct fs_context *fc));



extern const struct file_operations fscontext_fops;