[PATCH 06/21] nvme: move max_integrity_segments handling out of nvme_init_integrity

Christoph Hellwig hch at lst.de
Wed Feb 28 10:12:00 PST 2024


max_integrity_segments is just a hardware limit and doesn't need to be
in nvme_init_integrity with the PI setup.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 drivers/nvme/host/core.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 4a05045e409904..94d835f9dc90e9 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1724,8 +1724,7 @@ int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 #ifdef CONFIG_BLK_DEV_INTEGRITY
-static void nvme_init_integrity(struct gendisk *disk,
-		struct nvme_ns_head *head, u32 max_integrity_segments)
+static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
 {
 	struct blk_integrity integrity = { };
 
@@ -1773,11 +1772,9 @@ static void nvme_init_integrity(struct gendisk *disk,
 	integrity.tuple_size = head->ms;
 	integrity.pi_offset = head->pi_offset;
 	blk_integrity_register(disk, &integrity);
-	blk_queue_max_integrity_segments(disk->queue, max_integrity_segments);
 }
 #else
-static void nvme_init_integrity(struct gendisk *disk,
-		struct nvme_ns_head *head, u32 max_integrity_segments)
+static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
 {
 }
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
@@ -1954,6 +1951,7 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
 	blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
 	blk_queue_max_segments(q, min_t(u32, USHRT_MAX,
 		min_not_zero(nvme_max_drv_segments(ctrl), ctrl->max_segments)));
+	blk_queue_max_integrity_segments(q, ctrl->max_integrity_segments);
 	blk_queue_virt_boundary(q, NVME_CTRL_PAGE_SIZE - 1);
 	blk_queue_dma_alignment(q, 3);
 	blk_queue_write_cache(q, vwc, vwc);
@@ -2017,8 +2015,7 @@ static void nvme_update_disk_info(struct nvme_ctrl *ctrl, struct gendisk *disk,
 	if (head->ms) {
 		if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) &&
 		    (head->features & NVME_NS_METADATA_SUPPORTED))
-			nvme_init_integrity(disk, head,
-					    ctrl->max_integrity_segments);
+			nvme_init_integrity(disk, head);
 		else if (!nvme_ns_has_pi(head))
 			capacity = 0;
 	}
-- 
2.39.2




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