[PATCH 1/4] rnbd-srv: simplify rnbd_srv_fill_msg_open_rsp
From: Christoph Hellwig <hch@lst.de>
Date: 2022-08-22 06:17:54
Subsystem:
block layer, rnbd block drivers, the rest · Maintainers:
Jens Axboe, Md. Haris Iqbal, Jack Wang, Linus Torvalds
Remove all the wrappers and just get the information directly from the block device, or where no such helpers exist the request_queue. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/block/rnbd/rnbd-srv-dev.h | 30 -------------------------- drivers/block/rnbd/rnbd-srv.c | 35 ++++++++++++------------------- 2 files changed, 13 insertions(+), 52 deletions(-)
diff --git a/drivers/block/rnbd/rnbd-srv-dev.h b/drivers/block/rnbd/rnbd-srv-dev.h
index 8407d12f70afe..8eeb3d607e7b5 100644
--- a/drivers/block/rnbd/rnbd-srv-dev.h
+++ b/drivers/block/rnbd/rnbd-srv-dev.h@@ -31,34 +31,4 @@ void rnbd_dev_close(struct rnbd_dev *dev); void rnbd_endio(void *priv, int error); -static inline int rnbd_dev_get_max_segs(const struct rnbd_dev *dev) -{ - return queue_max_segments(bdev_get_queue(dev->bdev)); -} - -static inline int rnbd_dev_get_max_hw_sects(const struct rnbd_dev *dev) -{ - return queue_max_hw_sectors(bdev_get_queue(dev->bdev)); -} - -static inline int rnbd_dev_get_secure_discard(const struct rnbd_dev *dev) -{ - return bdev_max_secure_erase_sectors(dev->bdev); -} - -static inline int rnbd_dev_get_max_discard_sects(const struct rnbd_dev *dev) -{ - return bdev_max_discard_sectors(dev->bdev); -} - -static inline int rnbd_dev_get_discard_granularity(const struct rnbd_dev *dev) -{ - return bdev_get_queue(dev->bdev)->limits.discard_granularity; -} - -static inline int rnbd_dev_get_discard_alignment(const struct rnbd_dev *dev) -{ - return bdev_discard_alignment(dev->bdev); -} - #endif /* RNBD_SRV_DEV_H */
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 3f6c268e04ef8..db1fe73998703 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c@@ -540,34 +540,25 @@ rnbd_srv_get_or_create_srv_dev(struct rnbd_dev *rnbd_dev, static void rnbd_srv_fill_msg_open_rsp(struct rnbd_msg_open_rsp *rsp, struct rnbd_srv_sess_dev *sess_dev) { - struct rnbd_dev *rnbd_dev = sess_dev->rnbd_dev; + struct block_device *bdev = sess_dev->rnbd_dev->bdev; rsp->hdr.type = cpu_to_le16(RNBD_MSG_OPEN_RSP); - rsp->device_id = - cpu_to_le32(sess_dev->device_id); - rsp->nsectors = - cpu_to_le64(get_capacity(rnbd_dev->bdev->bd_disk)); - rsp->logical_block_size = - cpu_to_le16(bdev_logical_block_size(rnbd_dev->bdev)); - rsp->physical_block_size = - cpu_to_le16(bdev_physical_block_size(rnbd_dev->bdev)); - rsp->max_segments = - cpu_to_le16(rnbd_dev_get_max_segs(rnbd_dev)); + rsp->device_id = cpu_to_le32(sess_dev->device_id); + rsp->nsectors = cpu_to_le64(bdev_nr_sectors(bdev)); + rsp->logical_block_size = cpu_to_le16(bdev_logical_block_size(bdev)); + rsp->physical_block_size = cpu_to_le16(bdev_physical_block_size(bdev)); + rsp->max_segments = cpu_to_le16(bdev_max_segments(bdev)); rsp->max_hw_sectors = - cpu_to_le32(rnbd_dev_get_max_hw_sects(rnbd_dev)); + cpu_to_le32(queue_max_hw_sectors(bdev_get_queue(bdev))); rsp->max_write_same_sectors = 0; - rsp->max_discard_sectors = - cpu_to_le32(rnbd_dev_get_max_discard_sects(rnbd_dev)); - rsp->discard_granularity = - cpu_to_le32(rnbd_dev_get_discard_granularity(rnbd_dev)); - rsp->discard_alignment = - cpu_to_le32(rnbd_dev_get_discard_alignment(rnbd_dev)); - rsp->secure_discard = - cpu_to_le16(rnbd_dev_get_secure_discard(rnbd_dev)); + rsp->max_discard_sectors = cpu_to_le32(bdev_max_discard_sectors(bdev)); + rsp->discard_granularity = cpu_to_le32(bdev_discard_granularity(bdev)); + rsp->discard_alignment = cpu_to_le32(bdev_discard_alignment(bdev)); + rsp->secure_discard = cpu_to_le16(bdev_max_secure_erase_sectors(bdev)); rsp->cache_policy = 0; - if (bdev_write_cache(rnbd_dev->bdev)) + if (bdev_write_cache(bdev)) rsp->cache_policy |= RNBD_WRITEBACK; - if (bdev_fua(rnbd_dev->bdev)) + if (bdev_fua(bdev)) rsp->cache_policy |= RNBD_FUA; }
--
2.30.2