Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)

{

	struct super_block *sb = inode->i_sb;

	struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;

	/*

	 * For inodes on standard filesystems, we use superblock's bdi. For

	 * inodes on virtual filesystems, we want to use inode mapping's bdi

	 * because they can possibly point to something useful (think about

	 * block_dev filesystem).

	 */

	if (sb->s_bdi && sb->s_bdi != &noop_backing_dev_info) {

		/* Some device inodes could play dirty tricks. Catch them... */

		WARN(bdi != sb->s_bdi && bdi_cap_writeback_dirty(bdi),

			"Dirtiable inode bdi %s != sb bdi %s\n",

			bdi->name, sb->s_bdi->name);

	if (strcmp(sb->s_type->name, "bdev") == 0)

		return inode->i_mapping->backing_dev_info;

	return sb->s_bdi;

}

	return bdi;

}

static void bdi_queue_work(struct backing_dev_info *bdi,

		struct wb_writeback_work *work)