diff options
Diffstat (limited to 'drivers/block/zram/zram_drv.c')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 0c09d4256108..6fac5fedd610 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -829,10 +829,14 @@ static void __zram_make_request(struct zram *zram, struct bio *bio) offset = (bio->bi_iter.bi_sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; - if (unlikely(bio_op(bio) == REQ_OP_DISCARD)) { + switch (bio_op(bio)) { + case REQ_OP_DISCARD: + case REQ_OP_WRITE_ZEROES: zram_bio_discard(zram, index, offset, bio); bio_endio(bio); return; + default: + break; } bio_for_each_segment(bvec, bio, iter) { @@ -1192,6 +1196,8 @@ static int zram_add(void) zram->disk->queue->limits.max_sectors = SECTORS_PER_PAGE; zram->disk->queue->limits.chunk_sectors = 0; blk_queue_max_discard_sectors(zram->disk->queue, UINT_MAX); + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, zram->disk->queue); + /* * zram_bio_discard() will clear all logical blocks if logical block * size is identical with physical block size(PAGE_SIZE). But if it is @@ -1201,10 +1207,7 @@ static int zram_add(void) * zeroed. */ if (ZRAM_LOGICAL_BLOCK_SIZE == PAGE_SIZE) - zram->disk->queue->limits.discard_zeroes_data = 1; - else - zram->disk->queue->limits.discard_zeroes_data = 0; - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, zram->disk->queue); + blk_queue_max_write_zeroes_sectors(zram->disk->queue, UINT_MAX); add_disk(zram->disk); |