Hi Christoph, Martin, blkdev_issue_zeroout() now checks for any error. This required a minor refactor, so I dropped the stable tag, Jens can add it back if needed. v1 -> v2: - changed code flow in blkdev_issue_zeroout() according to Christoph's suggestion - this required adding additional checks to blkdev_issue_zeroout() and __blkdev_issue_zero_pages(), the latter is no longer void Previous patch(es) and discussion at https://marc.info/?l=linux-block&m=150471953327942&w=2 https://marc.info/?l=linux-block&m=150601399031909&w=2 Thanks, Ilya Ilya Dryomov (2): block: factor out __blkdev_issue_zero_pages() block: cope with WRITE ZEROES failing in blkdev_issue_zeroout() block/blk-lib.c | 104 ++++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 68 insertions(+), 36 deletions(-) -- 2.4.3