diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-lib.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c index 715e948f58a4..7688ee3f5d72 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -286,7 +286,6 @@ static int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, * @discard: whether to discard the block range * * Description: - * Zero-fill a block range. If the discard flag is set and the block * device guarantees that subsequent READ operations to the block range * in question will return zeroes, the blocks will be discarded. Should @@ -303,26 +302,15 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, bool discard) { struct request_queue *q = bdev_get_queue(bdev); - unsigned char bdn[BDEVNAME_SIZE]; - - if (discard && blk_queue_discard(q) && q->limits.discard_zeroes_data) { - if (!blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, 0)) - return 0; - - bdevname(bdev, bdn); - pr_warn("%s: DISCARD failed. Manually zeroing.\n", bdn); - } + if (discard && blk_queue_discard(q) && q->limits.discard_zeroes_data && + blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, 0) == 0) + return 0; - if (bdev_write_same(bdev)) { - - if (!blkdev_issue_write_same(bdev, sector, nr_sects, gfp_mask, - ZERO_PAGE(0))) - return 0; - - bdevname(bdev, bdn); - pr_warn("%s: WRITE SAME failed. Manually zeroing.\n", bdn); - } + if (bdev_write_same(bdev) && + blkdev_issue_write_same(bdev, sector, nr_sects, gfp_mask, + ZERO_PAGE(0)) == 0) + return 0; return __blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask); } |