diff mbox

[v4,4/6] block: Add a third argument to blk_alloc_queue_node()

Message ID 20180223010808.25765-5-bart.vanassche@wdc.com (mailing list archive)
State New, archived
Headers show

Commit Message

Bart Van Assche Feb. 23, 2018, 1:08 a.m. UTC 
This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Kees Cook <keescook@chromium.org>
---
 block/blk-core.c              | 7 ++++---
 block/blk-mq.c                | 2 +-
 drivers/block/null_blk.c      | 3 ++-
 drivers/ide/ide-probe.c       | 2 +-
 drivers/lightnvm/core.c       | 2 +-
 drivers/md/dm.c               | 2 +-
 drivers/nvdimm/pmem.c         | 2 +-
 drivers/nvme/host/multipath.c | 2 +-
 drivers/scsi/scsi_lib.c       | 2 +-
 include/linux/blkdev.h        | 3 ++-
 10 files changed, 15 insertions(+), 12 deletions(-)

Comments

Johannes Thumshirn Feb. 23, 2018, 8:26 a.m. UTC | #1 
Hi Bart,

how about "block: Add 'lock' as third argument to
blk_alloc_queue_node()"?

So one actually sees early enough what the thrird argument will be?

Thanks,
        Johannes
Joseph Qi Feb. 23, 2018, 9:48 a.m. UTC | #2 
On 18/2/23 09:08, Bart Van Assche wrote:
> This patch does not change any functionality.
> 
> Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
> Cc: Philipp Reisner <philipp.reisner@linbit.com>
> Cc: Ulf Hansson <ulf.hansson@linaro.org>
> Cc: Kees Cook <keescook@chromium.org>

Looks good.
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Bart Van Assche Feb. 23, 2018, 4:07 p.m. UTC | #3 
On Fri, 2018-02-23 at 09:26 +0100, Johannes Thumshirn wrote:
> how about "block: Add 'lock' as third argument to

> blk_alloc_queue_node()"?

> 

> So one actually sees early enough what the thrird argument will be?


Hello Johannes,

If I have to repost this patch series I will make that change.

Thanks for the review.

Bart.
diff mbox

Patch

diff --git a/block/blk-core.c b/block/blk-core.c
index 2d1a7bbe0634..e873a24bf82d 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -810,7 +810,7 @@  void blk_exit_rl(struct request_queue *q, struct request_list *rl)
 
 struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
 {
-	return blk_alloc_queue_node(gfp_mask, NUMA_NO_NODE);
+	return blk_alloc_queue_node(gfp_mask, NUMA_NO_NODE, NULL);
 }
 EXPORT_SYMBOL(blk_alloc_queue);
 
@@ -888,7 +888,8 @@  static void blk_rq_timed_out_timer(struct timer_list *t)
 	kblockd_schedule_work(&q->timeout_work);
 }
 
-struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
+					   spinlock_t *lock)
 {
 	struct request_queue *q;
 
@@ -1030,7 +1031,7 @@  blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 {
 	struct request_queue *q;
 
-	q = blk_alloc_queue_node(GFP_KERNEL, node_id);
+	q = blk_alloc_queue_node(GFP_KERNEL, node_id, NULL);
 	if (!q)
 		return NULL;
 
diff --git a/block/blk-mq.c b/block/blk-mq.c
index df93102e2149..ae4e5096f425 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2554,7 +2554,7 @@  struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set)
 {
 	struct request_queue *uninit_q, *q;
 
-	uninit_q = blk_alloc_queue_node(GFP_KERNEL, set->numa_node);
+	uninit_q = blk_alloc_queue_node(GFP_KERNEL, set->numa_node, NULL);
 	if (!uninit_q)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 7f5fc9f730b8..c5ac1b334787 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -1715,7 +1715,8 @@  static int null_add_dev(struct nullb_device *dev)
 		}
 		null_init_queues(nullb);
 	} else if (dev->queue_mode == NULL_Q_BIO) {
-		nullb->q = blk_alloc_queue_node(GFP_KERNEL, dev->home_node);
+		nullb->q = blk_alloc_queue_node(GFP_KERNEL, dev->home_node,
+						NULL);
 		if (!nullb->q) {
 			rv = -ENOMEM;
 			goto out_cleanup_queues;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 17fd55af4d92..2e80a866073c 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -766,7 +766,7 @@  static int ide_init_queue(ide_drive_t *drive)
 	 *	limits and LBA48 we could raise it but as yet
 	 *	do not.
 	 */
-	q = blk_alloc_queue_node(GFP_KERNEL, hwif_to_node(hwif));
+	q = blk_alloc_queue_node(GFP_KERNEL, hwif_to_node(hwif), NULL);
 	if (!q)
 		return 1;
 
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index dcc9e621e651..5f1988df1593 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -384,7 +384,7 @@  static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
 		goto err_dev;
 	}
 
-	tqueue = blk_alloc_queue_node(GFP_KERNEL, dev->q->node);
+	tqueue = blk_alloc_queue_node(GFP_KERNEL, dev->q->node, NULL);
 	if (!tqueue) {
 		ret = -ENOMEM;
 		goto err_disk;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index d6de00f367ef..3c55564f6367 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1840,7 +1840,7 @@  static struct mapped_device *alloc_dev(int minor)
 	INIT_LIST_HEAD(&md->table_devices);
 	spin_lock_init(&md->uevent_lock);
 
-	md->queue = blk_alloc_queue_node(GFP_KERNEL, numa_node_id);
+	md->queue = blk_alloc_queue_node(GFP_KERNEL, numa_node_id, NULL);
 	if (!md->queue)
 		goto bad;
 	md->queue->queuedata = md;
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 10041ac4032c..cfb15ac50925 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -344,7 +344,7 @@  static int pmem_attach_disk(struct device *dev,
 		return -EBUSY;
 	}
 
-	q = blk_alloc_queue_node(GFP_KERNEL, dev_to_node(dev));
+	q = blk_alloc_queue_node(GFP_KERNEL, dev_to_node(dev), NULL);
 	if (!q)
 		return -ENOMEM;
 
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 3b211d9e58b8..cf013784fa85 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -162,7 +162,7 @@  int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
 	if (!(ctrl->subsys->cmic & (1 << 1)) || !multipath)
 		return 0;
 
-	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE);
+	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE, NULL);
 	if (!q)
 		goto out;
 	q->queuedata = head;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a86df9ca7d1c..71d1135f94d0 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2223,7 +2223,7 @@  struct request_queue *scsi_old_alloc_queue(struct scsi_device *sdev)
 	struct Scsi_Host *shost = sdev->host;
 	struct request_queue *q;
 
-	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE);
+	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE, NULL);
 	if (!q)
 		return NULL;
 	q->cmd_size = sizeof(struct scsi_cmnd) + shost->hostt->cmd_size;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 843b64607c74..31b36e276f6f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1335,7 +1335,8 @@  extern long nr_blockdev_pages(void);
 
 bool __must_check blk_get_queue(struct request_queue *);
 struct request_queue *blk_alloc_queue(gfp_t);
-struct request_queue *blk_alloc_queue_node(gfp_t, int);
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
+					   spinlock_t *lock);
 extern void blk_put_queue(struct request_queue *);
 extern void blk_set_queue_dying(struct request_queue *);