在 2024/2/15 15:02, Christoph Hellwig 写道:
Pass the few limits ubiblock imposes directly to blk_mq_alloc_disk
instead of setting them one at a time.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/mtd/ubi/block.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
Reviewed-by: Zhihao Cheng <chengzhihao1@xxxxxxxxxx>
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 9be87c231a2eba..5c8fdcc088a0df 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -348,6 +348,9 @@ static int calc_disk_capacity(struct ubi_volume_info *vi, u64 *disk_capacity)
int ubiblock_create(struct ubi_volume_info *vi)
{
+ struct queue_limits lim = {
+ .max_segments = UBI_MAX_SG_COUNT,
+ };
struct ubiblock *dev;
struct gendisk *gd;
u64 disk_capacity;
@@ -393,7 +396,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
/* Initialize the gendisk of this ubiblock device */
- gd = blk_mq_alloc_disk(&dev->tag_set, NULL, dev);
+ gd = blk_mq_alloc_disk(&dev->tag_set, &lim, dev);
if (IS_ERR(gd)) {
ret = PTR_ERR(gd);
goto out_free_tags;
@@ -416,7 +419,6 @@ int ubiblock_create(struct ubi_volume_info *vi)
dev->gd = gd;
dev->rq = gd->queue;
- blk_queue_max_segments(dev->rq, UBI_MAX_SG_COUNT);
list_add_tail(&dev->list, &ubiblock_devices);
