diff options
Diffstat (limited to 'drivers/block/rnbd')
| -rw-r--r-- | drivers/block/rnbd/rnbd-clt.c | 64 | ||||
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.c | 28 | ||||
| -rw-r--r-- | drivers/block/rnbd/rnbd-srv.h | 2 |
3 files changed, 40 insertions, 54 deletions
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index 4044c369d2..b7ffe03c61 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -1329,43 +1329,6 @@ static void rnbd_init_mq_hw_queues(struct rnbd_clt_dev *dev) } } -static void setup_request_queue(struct rnbd_clt_dev *dev, - struct rnbd_msg_open_rsp *rsp) -{ - blk_queue_logical_block_size(dev->queue, - le16_to_cpu(rsp->logical_block_size)); - blk_queue_physical_block_size(dev->queue, - le16_to_cpu(rsp->physical_block_size)); - blk_queue_max_hw_sectors(dev->queue, - dev->sess->max_io_size / SECTOR_SIZE); - - /* - * we don't support discards to "discontiguous" segments - * in on request - */ - blk_queue_max_discard_segments(dev->queue, 1); - - blk_queue_max_discard_sectors(dev->queue, - le32_to_cpu(rsp->max_discard_sectors)); - dev->queue->limits.discard_granularity = - le32_to_cpu(rsp->discard_granularity); - dev->queue->limits.discard_alignment = - le32_to_cpu(rsp->discard_alignment); - if (le16_to_cpu(rsp->secure_discard)) - blk_queue_max_secure_erase_sectors(dev->queue, - le32_to_cpu(rsp->max_discard_sectors)); - blk_queue_flag_set(QUEUE_FLAG_SAME_COMP, dev->queue); - blk_queue_flag_set(QUEUE_FLAG_SAME_FORCE, dev->queue); - blk_queue_max_segments(dev->queue, dev->sess->max_segments); - blk_queue_io_opt(dev->queue, dev->sess->max_io_size); - blk_queue_virt_boundary(dev->queue, SZ_4K - 1); - 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, struct rnbd_msg_open_rsp *rsp, int idx) { @@ -1403,18 +1366,41 @@ static int rnbd_clt_setup_gen_disk(struct rnbd_clt_dev *dev, static int rnbd_client_setup_device(struct rnbd_clt_dev *dev, struct rnbd_msg_open_rsp *rsp) { + struct queue_limits lim = { + .logical_block_size = le16_to_cpu(rsp->logical_block_size), + .physical_block_size = le16_to_cpu(rsp->physical_block_size), + .io_opt = dev->sess->max_io_size, + .max_hw_sectors = dev->sess->max_io_size / SECTOR_SIZE, + .max_hw_discard_sectors = le32_to_cpu(rsp->max_discard_sectors), + .discard_granularity = le32_to_cpu(rsp->discard_granularity), + .discard_alignment = le32_to_cpu(rsp->discard_alignment), + .max_segments = dev->sess->max_segments, + .virt_boundary_mask = SZ_4K - 1, + .max_write_zeroes_sectors = + le32_to_cpu(rsp->max_write_zeroes_sectors), + }; int idx = dev->clt_device_id; dev->size = le64_to_cpu(rsp->nsectors) * le16_to_cpu(rsp->logical_block_size); - dev->gd = blk_mq_alloc_disk(&dev->sess->tag_set, dev); + if (rsp->secure_discard) { + lim.max_secure_erase_sectors = + le32_to_cpu(rsp->max_discard_sectors); + } + + dev->gd = blk_mq_alloc_disk(&dev->sess->tag_set, &lim, dev); if (IS_ERR(dev->gd)) return PTR_ERR(dev->gd); dev->queue = dev->gd->queue; rnbd_init_mq_hw_queues(dev); - setup_request_queue(dev, rsp); + blk_queue_flag_set(QUEUE_FLAG_SAME_COMP, dev->queue); + blk_queue_flag_set(QUEUE_FLAG_SAME_FORCE, dev->queue); + blk_queue_write_cache(dev->queue, + !!(rsp->cache_policy & RNBD_WRITEBACK), + !!(rsp->cache_policy & RNBD_FUA)); + return rnbd_clt_setup_gen_disk(dev, rsp, idx); } diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 3a0d5dcec6..f6e3a3c4b7 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -145,7 +145,7 @@ static int process_rdma(struct rnbd_srv_session *srv_sess, priv->sess_dev = sess_dev; priv->id = id; - bio = bio_alloc(sess_dev->bdev_handle->bdev, 1, + bio = bio_alloc(file_bdev(sess_dev->bdev_file), 1, rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL); if (bio_add_page(bio, virt_to_page(data), datalen, offset_in_page(data)) != datalen) { @@ -219,7 +219,7 @@ void rnbd_destroy_sess_dev(struct rnbd_srv_sess_dev *sess_dev, bool keep_id) rnbd_put_sess_dev(sess_dev); wait_for_completion(&dc); /* wait for inflights to drop to zero */ - bdev_release(sess_dev->bdev_handle); + fput(sess_dev->bdev_file); mutex_lock(&sess_dev->dev->lock); list_del(&sess_dev->dev_list); if (!sess_dev->readonly) @@ -534,7 +534,7 @@ rnbd_srv_get_or_create_srv_dev(struct block_device *bdev, static void rnbd_srv_fill_msg_open_rsp(struct rnbd_msg_open_rsp *rsp, struct rnbd_srv_sess_dev *sess_dev) { - struct block_device *bdev = sess_dev->bdev_handle->bdev; + struct block_device *bdev = file_bdev(sess_dev->bdev_file); rsp->hdr.type = cpu_to_le16(RNBD_MSG_OPEN_RSP); rsp->device_id = cpu_to_le32(sess_dev->device_id); @@ -560,7 +560,7 @@ static void rnbd_srv_fill_msg_open_rsp(struct rnbd_msg_open_rsp *rsp, static struct rnbd_srv_sess_dev * rnbd_srv_create_set_sess_dev(struct rnbd_srv_session *srv_sess, const struct rnbd_msg_open *open_msg, - struct bdev_handle *handle, bool readonly, + struct file *bdev_file, bool readonly, struct rnbd_srv_dev *srv_dev) { struct rnbd_srv_sess_dev *sdev = rnbd_sess_dev_alloc(srv_sess); @@ -572,7 +572,7 @@ rnbd_srv_create_set_sess_dev(struct rnbd_srv_session *srv_sess, strscpy(sdev->pathname, open_msg->dev_name, sizeof(sdev->pathname)); - sdev->bdev_handle = handle; + sdev->bdev_file = bdev_file; sdev->sess = srv_sess; sdev->dev = srv_dev; sdev->readonly = readonly; @@ -678,7 +678,7 @@ static int process_msg_open(struct rnbd_srv_session *srv_sess, struct rnbd_srv_dev *srv_dev; struct rnbd_srv_sess_dev *srv_sess_dev; const struct rnbd_msg_open *open_msg = msg; - struct bdev_handle *bdev_handle; + struct file *bdev_file; blk_mode_t open_flags = BLK_OPEN_READ; char *full_path; struct rnbd_msg_open_rsp *rsp = data; @@ -716,15 +716,15 @@ static int process_msg_open(struct rnbd_srv_session *srv_sess, goto reject; } - bdev_handle = bdev_open_by_path(full_path, open_flags, NULL, NULL); - if (IS_ERR(bdev_handle)) { - ret = PTR_ERR(bdev_handle); + bdev_file = bdev_file_open_by_path(full_path, open_flags, NULL, NULL); + if (IS_ERR(bdev_file)) { + ret = PTR_ERR(bdev_file); pr_err("Opening device '%s' on session %s failed, failed to open the block device, err: %pe\n", - full_path, srv_sess->sessname, bdev_handle); + full_path, srv_sess->sessname, bdev_file); goto free_path; } - srv_dev = rnbd_srv_get_or_create_srv_dev(bdev_handle->bdev, srv_sess, + srv_dev = rnbd_srv_get_or_create_srv_dev(file_bdev(bdev_file), srv_sess, open_msg->access_mode); if (IS_ERR(srv_dev)) { pr_err("Opening device '%s' on session %s failed, creating srv_dev failed, err: %pe\n", @@ -734,7 +734,7 @@ static int process_msg_open(struct rnbd_srv_session *srv_sess, } srv_sess_dev = rnbd_srv_create_set_sess_dev(srv_sess, open_msg, - bdev_handle, + bdev_file, open_msg->access_mode == RNBD_ACCESS_RO, srv_dev); if (IS_ERR(srv_sess_dev)) { @@ -750,7 +750,7 @@ static int process_msg_open(struct rnbd_srv_session *srv_sess, */ mutex_lock(&srv_dev->lock); if (!srv_dev->dev_kobj.state_in_sysfs) { - ret = rnbd_srv_create_dev_sysfs(srv_dev, bdev_handle->bdev); + ret = rnbd_srv_create_dev_sysfs(srv_dev, file_bdev(bdev_file)); if (ret) { mutex_unlock(&srv_dev->lock); rnbd_srv_err(srv_sess_dev, @@ -793,7 +793,7 @@ srv_dev_put: } rnbd_put_srv_dev(srv_dev); blkdev_put: - bdev_release(bdev_handle); + fput(bdev_file); free_path: kfree(full_path); reject: diff --git a/drivers/block/rnbd/rnbd-srv.h b/drivers/block/rnbd/rnbd-srv.h index 343cc682b6..18d873808b 100644 --- a/drivers/block/rnbd/rnbd-srv.h +++ b/drivers/block/rnbd/rnbd-srv.h @@ -46,7 +46,7 @@ struct rnbd_srv_dev { struct rnbd_srv_sess_dev { /* Entry inside rnbd_srv_dev struct */ struct list_head dev_list; - struct bdev_handle *bdev_handle; + struct file *bdev_file; struct rnbd_srv_session *sess; struct rnbd_srv_dev *dev; struct kobject kobj; |