[PATCH 2/2] block: remove queue_limits_cancel_update()

[Ming Lei <ming.lei@xxxxxxxxxx>]

Now queue_limits_cancel_update() becomes nop, so remove it.

Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
 drivers/md/md.c          |  1 -
 drivers/md/raid0.c       |  4 +---
 drivers/md/raid1.c       |  4 +---
 drivers/md/raid10.c      |  4 +---
 drivers/scsi/scsi_scan.c |  1 -
 include/linux/blkdev.h   | 12 ------------
 6 files changed, 3 insertions(+), 23 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index aebe12b0ee27..4a3e109dfa11 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5788,7 +5788,6 @@ int mddev_stack_new_rdev(struct mddev *mddev, struct md_rdev *rdev)
 	if (!queue_limits_stack_integrity_bdev(&lim, rdev->bdev)) {
 		pr_err("%s: incompatible integrity profile for %pg\n",
 		       mdname(mddev), rdev->bdev);
-		queue_limits_cancel_update(mddev->gendisk->queue);
 		return -ENXIO;
 	}
 
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 7049ec7fb8eb..e8802309ed60 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -386,10 +386,8 @@ static int raid0_set_limits(struct mddev *mddev)
 	lim.io_opt = lim.io_min * mddev->raid_disks;
 	lim.features |= BLK_FEAT_ATOMIC_WRITES_STACKED;
 	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
-	if (err) {
-		queue_limits_cancel_update(mddev->gendisk->queue);
+	if (err)
 		return err;
-	}
 	return queue_limits_set(mddev->gendisk->queue, &lim);
 }
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 519c56f0ee3d..c6e53cc57440 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -3241,10 +3241,8 @@ static int raid1_set_limits(struct mddev *mddev)
 	lim.max_write_zeroes_sectors = 0;
 	lim.features |= BLK_FEAT_ATOMIC_WRITES_STACKED;
 	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
-	if (err) {
-		queue_limits_cancel_update(mddev->gendisk->queue);
+	if (err)
 		return err;
-	}
 	return queue_limits_set(mddev->gendisk->queue, &lim);
 }
 
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7d7a8a2524dc..6acc96be77aa 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4042,10 +4042,8 @@ static int raid10_set_queue_limits(struct mddev *mddev)
 	lim.io_opt = lim.io_min * raid10_nr_stripes(conf);
 	lim.features |= BLK_FEAT_ATOMIC_WRITES_STACKED;
 	err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
-	if (err) {
-		queue_limits_cancel_update(mddev->gendisk->queue);
+	if (err)
 		return err;
-	}
 	return queue_limits_set(mddev->gendisk->queue, &lim);
 }
 
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 042329b74c6e..3e3f64cec9ee 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1079,7 +1079,6 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
 	else if (hostt->slave_configure)
 		ret = hostt->slave_configure(sdev);
 	if (ret) {
-		queue_limits_cancel_update(sdev->request_queue);
 		/*
 		 * If the LLDD reports device not present, don't clutter the
 		 * console with failure messages.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6cc20ca79adc..b2542d3dcc23 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -957,18 +957,6 @@ int queue_limits_commit_update(struct request_queue *q,
 int queue_limits_set(struct request_queue *q, struct queue_limits *lim);
 int blk_validate_limits(struct queue_limits *lim);
 
-/**
- * queue_limits_cancel_update - cancel an atomic update of queue limits
- * @q:		queue to update
- *
- * This functions cancels an atomic update of the queue limits started by
- * queue_limits_start_update() and should be used when an error occurs after
- * starting update.
- */
-static inline void queue_limits_cancel_update(struct request_queue *q)
-{
-}
-
 /*
  * These helpers are for drivers that have sloppy feature negotiation and might
  * have to disable DISCARD, WRITE_ZEROES or SECURE_DISCARD from the I/O
-- 
2.47.0