From: Dan Williams Date: Sun, 11 Mar 2018 19:03:08 +0000 (-0700) Subject: block, dax: remove dead code in blkdev_writepages() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=15aa8a01189b7399d085cceae6775cc6899b1909;p=linux.git 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 Cc: Ross Zwisler Cc: Matthew Wilcox Cc: Dave Chinner Reviewed-by: Christoph Hellwig Reviewed-by: Jan Kara Signed-off-by: Dan Williams --- diff --git a/fs/block_dev.c b/fs/block_dev.c index fe09ef9c21f34..846ee2d31781b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -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); }