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