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| author | Santosh Pradhan <santosh.pradhan@ionos.com> | 2023-11-25 00:34:21 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-11-27 19:11:12 +0300 |
| commit | fadf3dffe54fe10e0d86232f0a7576eccc04d537 (patch) | |
| tree | ec578a452fa0f9f031752855bdf6efb91d0cb4d2 /drivers/block/rnbd/rnbd-clt.c | |
| parent | 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab (diff) | |
| download | linux-fadf3dffe54fe10e0d86232f0a7576eccc04d537.tar.xz | |
block/rnbd: add support for REQ_OP_WRITE_ZEROES
Remove REQ_OP_WRITE_SAME in favour of REQ_OP_WRITE_ZEROES.
Signed-off-by: Santosh Pradhan <santosh.pradhan@ionos.com>
Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Grzegorz Prajsner <grzegorz.prajsner@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Link: https://lore.kernel.org/r/20231124213422.113449-2-haris.iqbal@ionos.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/rnbd/rnbd-clt.c')
| -rw-r--r-- | drivers/block/rnbd/rnbd-clt.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index b0550b68645d..499d0e655bc3 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -1006,10 +1006,10 @@ static int rnbd_client_xfer_request(struct rnbd_clt_dev *dev, msg.prio = cpu_to_le16(req_get_ioprio(rq)); /* - * We only support discards with single segment for now. + * We only support discards/WRITE_ZEROES with single segment for now. * See queue limits. */ - if (req_op(rq) != REQ_OP_DISCARD) + if ((req_op(rq) != REQ_OP_DISCARD) && (req_op(rq) != REQ_OP_WRITE_ZEROES)) sg_cnt = blk_rq_map_sg(dev->queue, rq, iu->sgt.sgl); if (sg_cnt == 0) @@ -1362,6 +1362,8 @@ static void setup_request_queue(struct rnbd_clt_dev *dev, blk_queue_write_cache(dev->queue, !!(rsp->cache_policy & RNBD_WRITEBACK), !!(rsp->cache_policy & RNBD_FUA)); + blk_queue_max_write_zeroes_sectors(dev->queue, + le32_to_cpu(rsp->max_write_zeroes_sectors)); } static int rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, @@ -1626,10 +1628,11 @@ struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname, } rnbd_clt_info(dev, - "map_device: Device mapped as %s (nsectors: %llu, logical_block_size: %d, physical_block_size: %d, max_discard_sectors: %d, discard_granularity: %d, discard_alignment: %d, secure_discard: %d, max_segments: %d, max_hw_sectors: %d, wc: %d, fua: %d)\n", + "map_device: Device mapped as %s (nsectors: %llu, logical_block_size: %d, physical_block_size: %d, max_write_zeroes_sectors: %d, max_discard_sectors: %d, discard_granularity: %d, discard_alignment: %d, secure_discard: %d, max_segments: %d, max_hw_sectors: %d, wc: %d, fua: %d)\n", dev->gd->disk_name, le64_to_cpu(rsp->nsectors), le16_to_cpu(rsp->logical_block_size), le16_to_cpu(rsp->physical_block_size), + le32_to_cpu(rsp->max_write_zeroes_sectors), le32_to_cpu(rsp->max_discard_sectors), le32_to_cpu(rsp->discard_granularity), le32_to_cpu(rsp->discard_alignment), |