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authorChristoph Hellwig <hch@lst.de>2024-03-04 07:04:49 -0700
committerKeith Busch <kbusch@kernel.org>2024-03-04 08:24:55 -0800
commitf467b48e38a60c64d73619145247c550d8edf82f (patch)
treebd2038f45f0cfbb3c20dd819492cc8befeb9138c /drivers/nvme
parentf404dd928b6667b383e684f2bd8cce507e031481 (diff)
nvme: cleanup the nvme_init_integrity calling conventions
Handle the no metadata support case in nvme_init_integrity as well to simplify the calling convention and prepare for future changes in the area. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index c4a268d91796..1ecddb6f5ad9 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1723,11 +1723,21 @@ int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return 0;
}
-#ifdef CONFIG_BLK_DEV_INTEGRITY
-static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
+static bool nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
{
struct blk_integrity integrity = { };
+ if (!head->ms)
+ return true;
+
+ /*
+ * PI can always be supported as we can ask the controller to simply
+ * insert/strip it, which is not possible for other kinds of metadata.
+ */
+ if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) ||
+ !(head->features & NVME_NS_METADATA_SUPPORTED))
+ return nvme_ns_has_pi(head);
+
switch (head->pi_type) {
case NVME_NS_DPS_PI_TYPE3:
switch (head->guard_type) {
@@ -1772,12 +1782,8 @@ static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
integrity.tuple_size = head->ms;
integrity.pi_offset = head->pi_offset;
blk_integrity_register(disk, &integrity);
+ return true;
}
-#else
-static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns_head *head)
-{
-}
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
static void nvme_config_discard(struct nvme_ctrl *ctrl, struct gendisk *disk,
struct nvme_ns_head *head)
@@ -2012,13 +2018,8 @@ static void nvme_update_disk_info(struct nvme_ctrl *ctrl, struct gendisk *disk,
* I/O to namespaces with metadata except when the namespace supports
* PI, as it can strip/insert in that case.
*/
- if (head->ms) {
- if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) &&
- (head->features & NVME_NS_METADATA_SUPPORTED))
- nvme_init_integrity(disk, head);
- else if (!nvme_ns_has_pi(head))
- capacity = 0;
- }
+ if (!nvme_init_integrity(disk, head))
+ capacity = 0;
set_capacity_and_notify(disk, capacity);