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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Justin Sanders" <justin@coraid.com>,
	"Denis Efremov" <efremov@linux.com>,
	"Josef Bacik" <josef@toxicpanda.com>,
	"Tim Waugh" <tim@cyberelk.net>,
	"Geoff Levand" <geoff@infradead.org>,
	"Ilya Dryomov" <idryomov@gmail.com>,
	"Md. Haris Iqbal" <haris.iqbal@ionos.com>,
	"Jack Wang" <jinpu.wang@ionos.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Mike Snitzer" <snitzer@redhat.com>,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	"Alex Dubov" <oakad@yahoo.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	dm-devel@redhat.com, linux-block@vger.kernel.org,
	nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org,
	ceph-devel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	xen-devel@lists.xenproject.org, linux-mmc@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org
Subject: [PATCH 10/30] ps3disk: use blk_mq_alloc_disk
Date: Wed,  2 Jun 2021 09:53:25 +0300	[thread overview]
Message-ID: <20210602065345.355274-11-hch@lst.de> (raw)
In-Reply-To: <20210602065345.355274-1-hch@lst.de>

Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/ps3disk.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index ba3ece56cbb3..f374ea2c67ce 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -29,7 +29,6 @@
 
 struct ps3disk_private {
 	spinlock_t lock;		/* Request queue spinlock */
-	struct request_queue *queue;
 	struct blk_mq_tag_set tag_set;
 	struct gendisk *gendisk;
 	unsigned int blocking_factor;
@@ -267,7 +266,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
 	blk_mq_end_request(req, error);
 	spin_unlock(&priv->lock);
 
-	blk_mq_run_hw_queues(priv->queue, true);
+	blk_mq_run_hw_queues(priv->gendisk->queue, true);
 	return IRQ_HANDLED;
 }
 
@@ -441,17 +440,20 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 
 	ps3disk_identify(dev);
 
-	queue = blk_mq_init_sq_queue(&priv->tag_set, &ps3disk_mq_ops, 1,
+	error = blk_mq_alloc_sq_tag_set(&priv->tag_set, &ps3disk_mq_ops, 1,
 					BLK_MQ_F_SHOULD_MERGE);
-	if (IS_ERR(queue)) {
-		dev_err(&dev->sbd.core, "%s:%u: blk_mq_init_queue failed\n",
-			__func__, __LINE__);
-		error = PTR_ERR(queue);
+	if (error)
 		goto fail_teardown;
+
+	gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
+	if (IS_ERR(gendisk)) {
+		dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
+			__func__, __LINE__);
+		error = PTR_ERR(gendisk);
+		goto fail_free_tag_set;
 	}
 
-	priv->queue = queue;
-	queue->queuedata = dev;
+	queue = gendisk->queue;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
@@ -462,19 +464,11 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	blk_queue_max_segments(queue, -1);
 	blk_queue_max_segment_size(queue, dev->bounce_size);
 
-	gendisk = alloc_disk(PS3DISK_MINORS);
-	if (!gendisk) {
-		dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__,
-			__LINE__);
-		error = -ENOMEM;
-		goto fail_cleanup_queue;
-	}
-
 	priv->gendisk = gendisk;
 	gendisk->major = ps3disk_major;
 	gendisk->first_minor = devidx * PS3DISK_MINORS;
+	gendisk->minors = PS3DISK_MINORS;
 	gendisk->fops = &ps3disk_fops;
-	gendisk->queue = queue;
 	gendisk->private_data = dev;
 	snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME,
 		 devidx+'a');
@@ -490,8 +484,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	device_add_disk(&dev->sbd.core, gendisk, NULL);
 	return 0;
 
-fail_cleanup_queue:
-	blk_cleanup_queue(queue);
+fail_free_tag_set:
 	blk_mq_free_tag_set(&priv->tag_set);
 fail_teardown:
 	ps3stor_teardown(dev);
@@ -517,9 +510,8 @@ static void ps3disk_remove(struct ps3_system_bus_device *_dev)
 		    &ps3disk_mask);
 	mutex_unlock(&ps3disk_mask_mutex);
 	del_gendisk(priv->gendisk);
-	blk_cleanup_queue(priv->queue);
+	blk_cleanup_disk(priv->gendisk);
 	blk_mq_free_tag_set(&priv->tag_set);
-	put_disk(priv->gendisk);
 	dev_notice(&dev->sbd.core, "Synchronizing disk cache\n");
 	ps3disk_sync_cache(dev);
 	ps3stor_teardown(dev);
-- 
2.30.2


WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Justin Sanders" <justin@coraid.com>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Mike Snitzer" <snitzer@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	virtualization@lists.linux-foundation.org, dm-devel@redhat.com,
	"Md. Haris Iqbal" <haris.iqbal@ionos.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Jack Wang" <jinpu.wang@ionos.com>,
	"Tim Waugh" <tim@cyberelk.net>,
	linux-s390@vger.kernel.org, "Alex Dubov" <oakad@yahoo.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	xen-devel@lists.xenproject.org,
	"Ilya Dryomov" <idryomov@gmail.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Josef Bacik" <josef@toxicpanda.com>,
	"Denis Efremov" <efremov@linux.com>,
	nbd@other.debian.org, linux-block@vger.kernel.org,
	ceph-devel@vger.kernel.org,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	"Geoff Levand" <geoff@infradead.org>,
	linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [PATCH 10/30] ps3disk: use blk_mq_alloc_disk
Date: Wed,  2 Jun 2021 09:53:25 +0300	[thread overview]
Message-ID: <20210602065345.355274-11-hch@lst.de> (raw)
In-Reply-To: <20210602065345.355274-1-hch@lst.de>

Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/ps3disk.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index ba3ece56cbb3..f374ea2c67ce 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -29,7 +29,6 @@
 
 struct ps3disk_private {
 	spinlock_t lock;		/* Request queue spinlock */
-	struct request_queue *queue;
 	struct blk_mq_tag_set tag_set;
 	struct gendisk *gendisk;
 	unsigned int blocking_factor;
@@ -267,7 +266,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
 	blk_mq_end_request(req, error);
 	spin_unlock(&priv->lock);
 
-	blk_mq_run_hw_queues(priv->queue, true);
+	blk_mq_run_hw_queues(priv->gendisk->queue, true);
 	return IRQ_HANDLED;
 }
 
@@ -441,17 +440,20 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 
 	ps3disk_identify(dev);
 
-	queue = blk_mq_init_sq_queue(&priv->tag_set, &ps3disk_mq_ops, 1,
+	error = blk_mq_alloc_sq_tag_set(&priv->tag_set, &ps3disk_mq_ops, 1,
 					BLK_MQ_F_SHOULD_MERGE);
-	if (IS_ERR(queue)) {
-		dev_err(&dev->sbd.core, "%s:%u: blk_mq_init_queue failed\n",
-			__func__, __LINE__);
-		error = PTR_ERR(queue);
+	if (error)
 		goto fail_teardown;
+
+	gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
+	if (IS_ERR(gendisk)) {
+		dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
+			__func__, __LINE__);
+		error = PTR_ERR(gendisk);
+		goto fail_free_tag_set;
 	}
 
-	priv->queue = queue;
-	queue->queuedata = dev;
+	queue = gendisk->queue;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
@@ -462,19 +464,11 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	blk_queue_max_segments(queue, -1);
 	blk_queue_max_segment_size(queue, dev->bounce_size);
 
-	gendisk = alloc_disk(PS3DISK_MINORS);
-	if (!gendisk) {
-		dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__,
-			__LINE__);
-		error = -ENOMEM;
-		goto fail_cleanup_queue;
-	}
-
 	priv->gendisk = gendisk;
 	gendisk->major = ps3disk_major;
 	gendisk->first_minor = devidx * PS3DISK_MINORS;
+	gendisk->minors = PS3DISK_MINORS;
 	gendisk->fops = &ps3disk_fops;
-	gendisk->queue = queue;
 	gendisk->private_data = dev;
 	snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME,
 		 devidx+'a');
@@ -490,8 +484,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	device_add_disk(&dev->sbd.core, gendisk, NULL);
 	return 0;
 
-fail_cleanup_queue:
-	blk_cleanup_queue(queue);
+fail_free_tag_set:
 	blk_mq_free_tag_set(&priv->tag_set);
 fail_teardown:
 	ps3stor_teardown(dev);
@@ -517,9 +510,8 @@ static void ps3disk_remove(struct ps3_system_bus_device *_dev)
 		    &ps3disk_mask);
 	mutex_unlock(&ps3disk_mask_mutex);
 	del_gendisk(priv->gendisk);
-	blk_cleanup_queue(priv->queue);
+	blk_cleanup_disk(priv->gendisk);
 	blk_mq_free_tag_set(&priv->tag_set);
-	put_disk(priv->gendisk);
 	dev_notice(&dev->sbd.core, "Synchronizing disk cache\n");
 	ps3disk_sync_cache(dev);
 	ps3stor_teardown(dev);
-- 
2.30.2


WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Justin Sanders" <justin@coraid.com>,
	"Denis Efremov" <efremov@linux.com>,
	"Josef Bacik" <josef@toxicpanda.com>,
	"Tim Waugh" <tim@cyberelk.net>,
	"Geoff Levand" <geoff@infradead.org>,
	"Ilya Dryomov" <idryomov@gmail.com>,
	"Md. Haris Iqbal" <haris.iqbal@ionos.com>,
	"Jack Wang" <jinpu.wang@ionos.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Mike Snitzer" <snitzer@redhat.com>,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	"Alex Dubov" <oakad@yahoo.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	dm-devel@redhat.com, linux-block@vger.kernel.org,
	nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org,
	ceph-devel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	xen-devel@lists.xenproject.org, linux-mmc@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org
Subject: [PATCH 10/30] ps3disk: use blk_mq_alloc_disk
Date: Wed,  2 Jun 2021 09:53:25 +0300	[thread overview]
Message-ID: <20210602065345.355274-11-hch@lst.de> (raw)
In-Reply-To: <20210602065345.355274-1-hch@lst.de>

Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/ps3disk.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index ba3ece56cbb3..f374ea2c67ce 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -29,7 +29,6 @@
 
 struct ps3disk_private {
 	spinlock_t lock;		/* Request queue spinlock */
-	struct request_queue *queue;
 	struct blk_mq_tag_set tag_set;
 	struct gendisk *gendisk;
 	unsigned int blocking_factor;
@@ -267,7 +266,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
 	blk_mq_end_request(req, error);
 	spin_unlock(&priv->lock);
 
-	blk_mq_run_hw_queues(priv->queue, true);
+	blk_mq_run_hw_queues(priv->gendisk->queue, true);
 	return IRQ_HANDLED;
 }
 
@@ -441,17 +440,20 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 
 	ps3disk_identify(dev);
 
-	queue = blk_mq_init_sq_queue(&priv->tag_set, &ps3disk_mq_ops, 1,
+	error = blk_mq_alloc_sq_tag_set(&priv->tag_set, &ps3disk_mq_ops, 1,
 					BLK_MQ_F_SHOULD_MERGE);
-	if (IS_ERR(queue)) {
-		dev_err(&dev->sbd.core, "%s:%u: blk_mq_init_queue failed\n",
-			__func__, __LINE__);
-		error = PTR_ERR(queue);
+	if (error)
 		goto fail_teardown;
+
+	gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
+	if (IS_ERR(gendisk)) {
+		dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
+			__func__, __LINE__);
+		error = PTR_ERR(gendisk);
+		goto fail_free_tag_set;
 	}
 
-	priv->queue = queue;
-	queue->queuedata = dev;
+	queue = gendisk->queue;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
@@ -462,19 +464,11 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	blk_queue_max_segments(queue, -1);
 	blk_queue_max_segment_size(queue, dev->bounce_size);
 
-	gendisk = alloc_disk(PS3DISK_MINORS);
-	if (!gendisk) {
-		dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__,
-			__LINE__);
-		error = -ENOMEM;
-		goto fail_cleanup_queue;
-	}
-
 	priv->gendisk = gendisk;
 	gendisk->major = ps3disk_major;
 	gendisk->first_minor = devidx * PS3DISK_MINORS;
+	gendisk->minors = PS3DISK_MINORS;
 	gendisk->fops = &ps3disk_fops;
-	gendisk->queue = queue;
 	gendisk->private_data = dev;
 	snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME,
 		 devidx+'a');
@@ -490,8 +484,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	device_add_disk(&dev->sbd.core, gendisk, NULL);
 	return 0;
 
-fail_cleanup_queue:
-	blk_cleanup_queue(queue);
+fail_free_tag_set:
 	blk_mq_free_tag_set(&priv->tag_set);
 fail_teardown:
 	ps3stor_teardown(dev);
@@ -517,9 +510,8 @@ static void ps3disk_remove(struct ps3_system_bus_device *_dev)
 		    &ps3disk_mask);
 	mutex_unlock(&ps3disk_mask_mutex);
 	del_gendisk(priv->gendisk);
-	blk_cleanup_queue(priv->queue);
+	blk_cleanup_disk(priv->gendisk);
 	blk_mq_free_tag_set(&priv->tag_set);
-	put_disk(priv->gendisk);
 	dev_notice(&dev->sbd.core, "Synchronizing disk cache\n");
 	ps3disk_sync_cache(dev);
 	ps3stor_teardown(dev);
-- 
2.30.2


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Justin Sanders" <justin@coraid.com>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Mike Snitzer" <snitzer@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	virtualization@lists.linux-foundation.org, dm-devel@redhat.com,
	"Md. Haris Iqbal" <haris.iqbal@ionos.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Jack Wang" <jinpu.wang@ionos.com>,
	"Tim Waugh" <tim@cyberelk.net>,
	linux-s390@vger.kernel.org, "Alex Dubov" <oakad@yahoo.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	xen-devel@lists.xenproject.org,
	"Ilya Dryomov" <idryomov@gmail.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Josef Bacik" <josef@toxicpanda.com>,
	"Denis Efremov" <efremov@linux.com>,
	nbd@other.debian.org, linux-block@vger.kernel.org,
	ceph-devel@vger.kernel.org,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	"Geoff Levand" <geoff@infradead.org>,
	linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [PATCH 10/30] ps3disk: use blk_mq_alloc_disk
Date: Wed,  2 Jun 2021 09:53:25 +0300	[thread overview]
Message-ID: <20210602065345.355274-11-hch@lst.de> (raw)
In-Reply-To: <20210602065345.355274-1-hch@lst.de>

Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/ps3disk.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index ba3ece56cbb3..f374ea2c67ce 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -29,7 +29,6 @@
 
 struct ps3disk_private {
 	spinlock_t lock;		/* Request queue spinlock */
-	struct request_queue *queue;
 	struct blk_mq_tag_set tag_set;
 	struct gendisk *gendisk;
 	unsigned int blocking_factor;
@@ -267,7 +266,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
 	blk_mq_end_request(req, error);
 	spin_unlock(&priv->lock);
 
-	blk_mq_run_hw_queues(priv->queue, true);
+	blk_mq_run_hw_queues(priv->gendisk->queue, true);
 	return IRQ_HANDLED;
 }
 
@@ -441,17 +440,20 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 
 	ps3disk_identify(dev);
 
-	queue = blk_mq_init_sq_queue(&priv->tag_set, &ps3disk_mq_ops, 1,
+	error = blk_mq_alloc_sq_tag_set(&priv->tag_set, &ps3disk_mq_ops, 1,
 					BLK_MQ_F_SHOULD_MERGE);
-	if (IS_ERR(queue)) {
-		dev_err(&dev->sbd.core, "%s:%u: blk_mq_init_queue failed\n",
-			__func__, __LINE__);
-		error = PTR_ERR(queue);
+	if (error)
 		goto fail_teardown;
+
+	gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
+	if (IS_ERR(gendisk)) {
+		dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
+			__func__, __LINE__);
+		error = PTR_ERR(gendisk);
+		goto fail_free_tag_set;
 	}
 
-	priv->queue = queue;
-	queue->queuedata = dev;
+	queue = gendisk->queue;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
@@ -462,19 +464,11 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	blk_queue_max_segments(queue, -1);
 	blk_queue_max_segment_size(queue, dev->bounce_size);
 
-	gendisk = alloc_disk(PS3DISK_MINORS);
-	if (!gendisk) {
-		dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__,
-			__LINE__);
-		error = -ENOMEM;
-		goto fail_cleanup_queue;
-	}
-
 	priv->gendisk = gendisk;
 	gendisk->major = ps3disk_major;
 	gendisk->first_minor = devidx * PS3DISK_MINORS;
+	gendisk->minors = PS3DISK_MINORS;
 	gendisk->fops = &ps3disk_fops;
-	gendisk->queue = queue;
 	gendisk->private_data = dev;
 	snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME,
 		 devidx+'a');
@@ -490,8 +484,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	device_add_disk(&dev->sbd.core, gendisk, NULL);
 	return 0;
 
-fail_cleanup_queue:
-	blk_cleanup_queue(queue);
+fail_free_tag_set:
 	blk_mq_free_tag_set(&priv->tag_set);
 fail_teardown:
 	ps3stor_teardown(dev);
@@ -517,9 +510,8 @@ static void ps3disk_remove(struct ps3_system_bus_device *_dev)
 		    &ps3disk_mask);
 	mutex_unlock(&ps3disk_mask_mutex);
 	del_gendisk(priv->gendisk);
-	blk_cleanup_queue(priv->queue);
+	blk_cleanup_disk(priv->gendisk);
 	blk_mq_free_tag_set(&priv->tag_set);
-	put_disk(priv->gendisk);
 	dev_notice(&dev->sbd.core, "Synchronizing disk cache\n");
 	ps3disk_sync_cache(dev);
 	ps3stor_teardown(dev);
-- 
2.30.2

_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization

WARNING: multiple messages have this Message-ID
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: "Justin Sanders" <justin@coraid.com>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	"Mike Snitzer" <snitzer@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	virtualization@lists.linux-foundation.org, dm-devel@redhat.com,
	"Md. Haris Iqbal" <haris.iqbal@ionos.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Jack Wang" <jinpu.wang@ionos.com>,
	"Tim Waugh" <tim@cyberelk.net>,
	linux-s390@vger.kernel.org, "Alex Dubov" <oakad@yahoo.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	xen-devel@lists.xenproject.org,
	"Ilya Dryomov" <idryomov@gmail.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Josef Bacik" <josef@toxicpanda.com>,
	"Denis Efremov" <efremov@linux.com>,
	nbd@other.debian.org, linux-block@vger.kernel.org,
	ceph-devel@vger.kernel.org,
	"Maxim Levitsky" <maximlevitsky@gmail.com>,
	"Geoff Levand" <geoff@infradead.org>,
	linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [dm-devel] [PATCH 10/30] ps3disk: use blk_mq_alloc_disk
Date: Wed,  2 Jun 2021 09:53:25 +0300	[thread overview]
Message-ID: <20210602065345.355274-11-hch@lst.de> (raw)
In-Reply-To: <20210602065345.355274-1-hch@lst.de>

Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/ps3disk.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index ba3ece56cbb3..f374ea2c67ce 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -29,7 +29,6 @@
 
 struct ps3disk_private {
 	spinlock_t lock;		/* Request queue spinlock */
-	struct request_queue *queue;
 	struct blk_mq_tag_set tag_set;
 	struct gendisk *gendisk;
 	unsigned int blocking_factor;
@@ -267,7 +266,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
 	blk_mq_end_request(req, error);
 	spin_unlock(&priv->lock);
 
-	blk_mq_run_hw_queues(priv->queue, true);
+	blk_mq_run_hw_queues(priv->gendisk->queue, true);
 	return IRQ_HANDLED;
 }
 
@@ -441,17 +440,20 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 
 	ps3disk_identify(dev);
 
-	queue = blk_mq_init_sq_queue(&priv->tag_set, &ps3disk_mq_ops, 1,
+	error = blk_mq_alloc_sq_tag_set(&priv->tag_set, &ps3disk_mq_ops, 1,
 					BLK_MQ_F_SHOULD_MERGE);
-	if (IS_ERR(queue)) {
-		dev_err(&dev->sbd.core, "%s:%u: blk_mq_init_queue failed\n",
-			__func__, __LINE__);
-		error = PTR_ERR(queue);
+	if (error)
 		goto fail_teardown;
+
+	gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
+	if (IS_ERR(gendisk)) {
+		dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
+			__func__, __LINE__);
+		error = PTR_ERR(gendisk);
+		goto fail_free_tag_set;
 	}
 
-	priv->queue = queue;
-	queue->queuedata = dev;
+	queue = gendisk->queue;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
@@ -462,19 +464,11 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	blk_queue_max_segments(queue, -1);
 	blk_queue_max_segment_size(queue, dev->bounce_size);
 
-	gendisk = alloc_disk(PS3DISK_MINORS);
-	if (!gendisk) {
-		dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__,
-			__LINE__);
-		error = -ENOMEM;
-		goto fail_cleanup_queue;
-	}
-
 	priv->gendisk = gendisk;
 	gendisk->major = ps3disk_major;
 	gendisk->first_minor = devidx * PS3DISK_MINORS;
+	gendisk->minors = PS3DISK_MINORS;
 	gendisk->fops = &ps3disk_fops;
-	gendisk->queue = queue;
 	gendisk->private_data = dev;
 	snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME,
 		 devidx+'a');
@@ -490,8 +484,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	device_add_disk(&dev->sbd.core, gendisk, NULL);
 	return 0;
 
-fail_cleanup_queue:
-	blk_cleanup_queue(queue);
+fail_free_tag_set:
 	blk_mq_free_tag_set(&priv->tag_set);
 fail_teardown:
 	ps3stor_teardown(dev);
@@ -517,9 +510,8 @@ static void ps3disk_remove(struct ps3_system_bus_device *_dev)
 		    &ps3disk_mask);
 	mutex_unlock(&ps3disk_mask_mutex);
 	del_gendisk(priv->gendisk);
-	blk_cleanup_queue(priv->queue);
+	blk_cleanup_disk(priv->gendisk);
 	blk_mq_free_tag_set(&priv->tag_set);
-	put_disk(priv->gendisk);
 	dev_notice(&dev->sbd.core, "Synchronizing disk cache\n");
 	ps3disk_sync_cache(dev);
 	ps3stor_teardown(dev);
-- 
2.30.2

--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel


  parent reply	other threads:[~2021-06-02  6:55 UTC|newest]

Thread overview: 226+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02  6:53 simplify gendisk and request_queue allocation for blk-mq based drivers Christoph Hellwig
2021-06-02  6:53 ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53 ` Christoph Hellwig
2021-06-02  6:53 ` Christoph Hellwig
2021-06-02  6:53 ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 01/30] blk-mq: factor out a blk_mq_alloc_sq_tag_set helper Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 02/30] blk-mq: improve the blk_mq_init_allocated_queue interface Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 03/30] blk-mq: add the blk_mq_alloc_disk APIs Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03  0:03   ` Chaitanya Kulkarni
2021-06-03  0:03     ` [dm-devel] " Chaitanya Kulkarni
2021-06-03  0:03     ` Chaitanya Kulkarni
2021-06-03  0:03     ` Chaitanya Kulkarni
2021-06-02  6:53 ` [PATCH 04/30] virtio-blk: use blk_mq_alloc_disk Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 05/30] pcd: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 06/30] pf: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 07/30] ms_block: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03 15:36   ` Ulf Hansson
2021-06-03 15:36     ` [dm-devel] " Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-02  6:53 ` [PATCH 08/30] mspro: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03 15:36   ` Ulf Hansson
2021-06-03 15:36     ` [dm-devel] " Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-03 15:36     ` Ulf Hansson
2021-06-02  6:53 ` [PATCH 09/30] mtd_blkdevs: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
     [not found]   ` <CGME20210615154746eucas1p1321b6f1cf38d21899632e132cf025e61@eucas1p1.samsung.com>
2021-06-15 15:47     ` Marek Szyprowski
2021-06-15 15:47       ` [dm-devel] " Marek Szyprowski
2021-06-15 15:47       ` Marek Szyprowski
2021-06-15 15:47       ` Marek Szyprowski
2021-06-15 15:58       ` Christoph Hellwig
2021-06-15 15:58         ` [dm-devel] " Christoph Hellwig
2021-06-15 15:58         ` Christoph Hellwig
2021-06-15 15:58         ` Christoph Hellwig
2021-06-15 15:58         ` Christoph Hellwig
2021-06-15 16:28         ` Marek Szyprowski
2021-06-15 16:28           ` [dm-devel] " Marek Szyprowski
2021-06-15 16:28           ` Marek Szyprowski
2021-06-15 16:28           ` Marek Szyprowski
2021-06-02  6:53 ` Christoph Hellwig [this message]
2021-06-02  6:53   ` [dm-devel] [PATCH 10/30] ps3disk: " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-06 15:58   ` Geoff Levand
2021-06-06 15:58     ` [dm-devel] " Geoff Levand
2021-06-06 15:58     ` Geoff Levand
2021-06-06 15:58     ` Geoff Levand
2021-06-02  6:53 ` [PATCH 11/30] swim3: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 12/30] swim: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 13/30] sunvdc: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 14/30] gdrom: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 15/30] blk-mq: remove blk_mq_init_sq_queue Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03  0:04   ` Chaitanya Kulkarni
2021-06-03  0:04     ` [dm-devel] " Chaitanya Kulkarni
2021-06-03  0:04     ` Chaitanya Kulkarni
2021-06-03  0:04     ` Chaitanya Kulkarni
2021-06-02  6:53 ` [PATCH 16/30] aoe: use blk_mq_alloc_disk and blk_cleanup_disk Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 17/30] floppy: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 18/30] loop: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03  0:05   ` Chaitanya Kulkarni
2021-06-03  0:05     ` [dm-devel] " Chaitanya Kulkarni
2021-06-03  0:05     ` Chaitanya Kulkarni
2021-06-03  0:05     ` Chaitanya Kulkarni
2021-06-02  6:53 ` [PATCH 19/30] nbd: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 20/30] nullb: use blk_mq_alloc_disk Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-03  0:10   ` Chaitanya Kulkarni
2021-06-03  0:10     ` [dm-devel] " Chaitanya Kulkarni
2021-06-03  0:10     ` Chaitanya Kulkarni
2021-06-03  0:10     ` Chaitanya Kulkarni
2021-06-08  5:39     ` Christoph Hellwig
2021-06-08  5:39       ` [dm-devel] " Christoph Hellwig
2021-06-08  5:39       ` Christoph Hellwig
2021-06-08  5:39       ` Christoph Hellwig
2021-06-08  5:39       ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 21/30] pd: use blk_mq_alloc_disk and blk_cleanup_disk Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 22/30] rbd: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 23/30] rnbd: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  7:49   ` Jinpu Wang
2021-06-02  7:49     ` [dm-devel] " Jinpu Wang
2021-06-02  7:49     ` Jinpu Wang
2021-06-02  7:49     ` Jinpu Wang
2021-06-02  6:53 ` [PATCH 24/30] sx8: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 25/30] xen-blkfront: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 26/30] ubi: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 27/30] scm_blk: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02 12:02   ` Niklas Schnelle
2021-06-02 12:02     ` [dm-devel] " Niklas Schnelle
2021-06-02 12:02     ` Niklas Schnelle
2021-06-02 12:02     ` Niklas Schnelle
2021-06-02  6:53 ` [PATCH 28/30] amiflop: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 29/30] ataflop: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53 ` [PATCH 30/30] z2ram: " Christoph Hellwig
2021-06-02  6:53   ` [dm-devel] " Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-02  6:53   ` Christoph Hellwig
2021-06-04 15:58 ` simplify gendisk and request_queue allocation for blk-mq based drivers Konrad Rzeszutek Wilk
2021-06-04 15:58   ` [dm-devel] " Konrad Rzeszutek Wilk
2021-06-04 15:58   ` Konrad Rzeszutek Wilk
2021-06-04 15:58   ` Konrad Rzeszutek Wilk
2021-06-04 15:58   ` Konrad Rzeszutek Wilk
2021-06-05 14:02   ` Christoph Hellwig
2021-06-05 14:02     ` [dm-devel] " Christoph Hellwig
2021-06-05 14:02     ` Christoph Hellwig
2021-06-05 14:02     ` Christoph Hellwig
2021-06-05 14:02     ` Christoph Hellwig
2021-06-11 17:55 ` Jens Axboe
2021-06-11 17:55   ` [dm-devel] " Jens Axboe
2021-06-11 17:55   ` Jens Axboe
2021-06-11 17:55   ` Jens Axboe
2021-06-11 17:55   ` Jens Axboe

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