Commit 15aa8a01 authored Mar 11, 2018 by Dan Williams

block, dax: remove dead code in blkdev_writepages()



Block device inodes never have S_DAX set, so kill the check for DAX and
diversion to dax_writeback_mapping_range().

Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

parent f44c7763

fs/block_dev.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -1946,11 +1946,6 @@ static int blkdev_releasepage(struct page *page, gfp_t wait)
		static int blkdev_writepages(struct address_space *mapping,
		struct writeback_control *wbc)
		{
		if (dax_mapping(mapping)) {
		struct block_device *bdev = I_BDEV(mapping->host);

		return dax_writeback_mapping_range(mapping, bdev, wbc);
		}
		return generic_writepages(mapping, wbc);
		}