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-rw-r--r--drivers/block/brd.c4
-rw-r--r--drivers/block/drbd/drbd_main.c3
-rw-r--r--drivers/block/drbd/drbd_receiver.c1
-rw-r--r--drivers/block/drbd/drbd_worker.c1
-rw-r--r--drivers/block/null_blk_main.c106
-rw-r--r--drivers/block/pktcdvd.c15
-rw-r--r--drivers/block/ps3vram.c3
-rw-r--r--drivers/block/rsxx/dev.c3
-rw-r--r--drivers/block/umem.c4
-rw-r--r--drivers/block/virtio_blk.c5
-rw-r--r--drivers/block/xen-blkfront.c6
-rw-r--r--drivers/block/zram/zram_drv.c5
12 files changed, 83 insertions, 73 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 220c5e18aba0..2fb25c348d53 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -381,12 +381,10 @@ static struct brd_device *brd_alloc(int i)
spin_lock_init(&brd->brd_lock);
INIT_RADIX_TREE(&brd->brd_pages, GFP_ATOMIC);
- brd->brd_queue = blk_alloc_queue(GFP_KERNEL);
+ brd->brd_queue = blk_alloc_queue(brd_make_request, NUMA_NO_NODE);
if (!brd->brd_queue)
goto out_free_dev;
- blk_queue_make_request(brd->brd_queue, brd_make_request);
-
/* This is so fdisk will align partitions on 4k, because of
* direct_access API needing 4k alignment, returning a PFN
* (This is only a problem on very small devices <= 4M,
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index a18155cdce41..72a7c3ea2ce3 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2801,7 +2801,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
drbd_init_set_defaults(device);
- q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE);
+ q = blk_alloc_queue(drbd_make_request, NUMA_NO_NODE);
if (!q)
goto out_no_q;
device->rq_queue = q;
@@ -2828,7 +2828,6 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
q->backing_dev_info->congested_fn = drbd_congested;
q->backing_dev_info->congested_data = device;
- blk_queue_make_request(q, drbd_make_request);
blk_queue_write_cache(q, true, true);
/* Setting the max_hw_sectors to an odd value of 8kibyte here
This triggers a max_bio_size message upon first attach or connect */
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 79e216446030..c15e7083b13a 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -33,6 +33,7 @@
#include <linux/random.h>
#include <linux/string.h>
#include <linux/scatterlist.h>
+#include <linux/part_stat.h>
#include "drbd_int.h"
#include "drbd_protocol.h"
#include "drbd_req.h"
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index b7f605c6e231..0dc019da1f8d 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -22,6 +22,7 @@
#include <linux/random.h>
#include <linux/string.h>
#include <linux/scatterlist.h>
+#include <linux/part_stat.h>
#include "drbd_int.h"
#include "drbd_protocol.h"
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 133060431dbd..5f13793d35ee 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -23,6 +23,7 @@
#ifdef CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION
static DECLARE_FAULT_ATTR(null_timeout_attr);
static DECLARE_FAULT_ATTR(null_requeue_attr);
+static DECLARE_FAULT_ATTR(null_init_hctx_attr);
#endif
static inline u64 mb_per_tick(int mbps)
@@ -101,6 +102,9 @@ module_param_string(timeout, g_timeout_str, sizeof(g_timeout_str), 0444);
static char g_requeue_str[80];
module_param_string(requeue, g_requeue_str, sizeof(g_requeue_str), 0444);
+
+static char g_init_hctx_str[80];
+module_param_string(init_hctx, g_init_hctx_str, sizeof(g_init_hctx_str), 0444);
#endif
static int g_queue_mode = NULL_Q_MQ;
@@ -276,7 +280,7 @@ nullb_device_##NAME##_store(struct config_item *item, const char *page, \
{ \
int (*apply_fn)(struct nullb_device *dev, TYPE new_value) = APPLY;\
struct nullb_device *dev = to_nullb_device(item); \
- TYPE uninitialized_var(new_value); \
+ TYPE new_value = 0; \
int ret; \
\
ret = nullb_device_##TYPE##_attr_store(&new_value, page, count);\
@@ -302,6 +306,12 @@ static int nullb_apply_submit_queues(struct nullb_device *dev,
if (!nullb)
return 0;
+ /*
+ * Make sure that null_init_hctx() does not access nullb->queues[] past
+ * the end of that array.
+ */
+ if (submit_queues > nr_cpu_ids)
+ return -EINVAL;
set = nullb->tag_set;
blk_mq_update_nr_hw_queues(set, submit_queues);
return set->nr_hw_queues == submit_queues ? 0 : -ENOMEM;
@@ -1408,12 +1418,6 @@ static blk_status_t null_queue_rq(struct blk_mq_hw_ctx *hctx,
return null_handle_cmd(cmd, sector, nr_sectors, req_op(bd->rq));
}
-static const struct blk_mq_ops null_mq_ops = {
- .queue_rq = null_queue_rq,
- .complete = null_complete_rq,
- .timeout = null_timeout_rq,
-};
-
static void cleanup_queue(struct nullb_queue *nq)
{
kfree(nq->tag_map);
@@ -1430,9 +1434,56 @@ static void cleanup_queues(struct nullb *nullb)
kfree(nullb->queues);
}
+static void null_exit_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)
+{
+ struct nullb_queue *nq = hctx->driver_data;
+ struct nullb *nullb = nq->dev->nullb;
+
+ nullb->nr_queues--;
+}
+
+static void null_init_queue(struct nullb *nullb, struct nullb_queue *nq)
+{
+ init_waitqueue_head(&nq->wait);
+ nq->queue_depth = nullb->queue_depth;
+ nq->dev = nullb->dev;
+}
+
+static int null_init_hctx(struct blk_mq_hw_ctx *hctx, void *driver_data,
+ unsigned int hctx_idx)
+{
+ struct nullb *nullb = hctx->queue->queuedata;
+ struct nullb_queue *nq;
+
+#ifdef CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION
+ if (g_init_hctx_str[0] && should_fail(&null_init_hctx_attr, 1))
+ return -EFAULT;
+#endif
+
+ nq = &nullb->queues[hctx_idx];
+ hctx->driver_data = nq;
+ null_init_queue(nullb, nq);
+ nullb->nr_queues++;
+
+ return 0;
+}
+
+static const struct blk_mq_ops null_mq_ops = {
+ .queue_rq = null_queue_rq,
+ .complete = null_complete_rq,
+ .timeout = null_timeout_rq,
+ .init_hctx = null_init_hctx,
+ .exit_hctx = null_exit_hctx,
+};
+
static void null_del_dev(struct nullb *nullb)
{
- struct nullb_device *dev = nullb->dev;
+ struct nullb_device *dev;
+
+ if (!nullb)
+ return;
+
+ dev = nullb->dev;
ida_simple_remove(&nullb_indexes, nullb->index);
@@ -1473,33 +1524,6 @@ static const struct block_device_operations null_ops = {
.report_zones = null_report_zones,
};
-static void null_init_queue(struct nullb *nullb, struct nullb_queue *nq)
-{
- BUG_ON(!nullb);
- BUG_ON(!nq);
-
- init_waitqueue_head(&nq->wait);
- nq->queue_depth = nullb->queue_depth;
- nq->dev = nullb->dev;
-}
-
-static void null_init_queues(struct nullb *nullb)
-{
- struct request_queue *q = nullb->q;
- struct blk_mq_hw_ctx *hctx;
- struct nullb_queue *nq;
- int i;
-
- queue_for_each_hw_ctx(q, hctx, i) {
- if (!hctx->nr_ctx || !hctx->tags)
- continue;
- nq = &nullb->queues[i];
- hctx->driver_data = nq;
- null_init_queue(nullb, nq);
- nullb->nr_queues++;
- }
-}
-
static int setup_commands(struct nullb_queue *nq)
{
struct nullb_cmd *cmd;
@@ -1526,8 +1550,7 @@ static int setup_commands(struct nullb_queue *nq)
static int setup_queues(struct nullb *nullb)
{
- nullb->queues = kcalloc(nullb->dev->submit_queues,
- sizeof(struct nullb_queue),
+ nullb->queues = kcalloc(nr_cpu_ids, sizeof(struct nullb_queue),
GFP_KERNEL);
if (!nullb->queues)
return -ENOMEM;
@@ -1669,6 +1692,8 @@ static bool null_setup_fault(void)
return false;
if (!__null_setup_fault(&null_requeue_attr, g_requeue_str))
return false;
+ if (!__null_setup_fault(&null_init_hctx_attr, g_init_hctx_str))
+ return false;
#endif
return true;
}
@@ -1712,19 +1737,17 @@ static int null_add_dev(struct nullb_device *dev)
goto out_cleanup_queues;
nullb->tag_set->timeout = 5 * HZ;
- nullb->q = blk_mq_init_queue(nullb->tag_set);
+ nullb->q = blk_mq_init_queue_data(nullb->tag_set, nullb);
if (IS_ERR(nullb->q)) {
rv = -ENOMEM;
goto out_cleanup_tags;
}
- 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(null_queue_bio, dev->home_node);
if (!nullb->q) {
rv = -ENOMEM;
goto out_cleanup_queues;
}
- blk_queue_make_request(nullb->q, null_queue_bio);
rv = init_driver_queues(nullb);
if (rv)
goto out_cleanup_blk_queue;
@@ -1788,6 +1811,7 @@ out_cleanup_queues:
cleanup_queues(nullb);
out_free_nullb:
kfree(nullb);
+ dev->nullb = NULL;
out:
return rv;
}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 5f970a7d32c0..0b944ac96d6b 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2493,7 +2493,6 @@ static void pkt_init_queue(struct pktcdvd_device *pd)
{
struct request_queue *q = pd->disk->queue;
- blk_queue_make_request(q, pkt_make_request);
blk_queue_logical_block_size(q, CD_FRAMESIZE);
blk_queue_max_hw_sectors(q, PACKET_MAX_SECTORS);
q->queuedata = pd;
@@ -2679,6 +2678,11 @@ static unsigned int pkt_check_events(struct gendisk *disk,
return attached_disk->fops->check_events(attached_disk, clearing);
}
+static char *pkt_devnode(struct gendisk *disk, umode_t *mode)
+{
+ return kasprintf(GFP_KERNEL, "pktcdvd/%s", disk->disk_name);
+}
+
static const struct block_device_operations pktcdvd_ops = {
.owner = THIS_MODULE,
.open = pkt_open,
@@ -2686,13 +2690,9 @@ static const struct block_device_operations pktcdvd_ops = {
.ioctl = pkt_ioctl,
.compat_ioctl = blkdev_compat_ptr_ioctl,
.check_events = pkt_check_events,
+ .devnode = pkt_devnode,
};
-static char *pktcdvd_devnode(struct gendisk *gd, umode_t *mode)
-{
- return kasprintf(GFP_KERNEL, "pktcdvd/%s", gd->disk_name);
-}
-
/*
* Set up mapping from pktcdvd device to CD-ROM device.
*/
@@ -2748,9 +2748,8 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
disk->fops = &pktcdvd_ops;
disk->flags = GENHD_FL_REMOVABLE;
strcpy(disk->disk_name, pd->name);
- disk->devnode = pktcdvd_devnode;
disk->private_data = pd;
- disk->queue = blk_alloc_queue(GFP_KERNEL);
+ disk->queue = blk_alloc_queue(pkt_make_request, NUMA_NO_NODE);
if (!disk->queue)
goto out_mem2;
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index 4628e1a27a2b..821d4d8b1d76 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -737,7 +737,7 @@ static int ps3vram_probe(struct ps3_system_bus_device *dev)
ps3vram_proc_init(dev);
- queue = blk_alloc_queue(GFP_KERNEL);
+ queue = blk_alloc_queue(ps3vram_make_request, NUMA_NO_NODE);
if (!queue) {
dev_err(&dev->core, "blk_alloc_queue failed\n");
error = -ENOMEM;
@@ -746,7 +746,6 @@ static int ps3vram_probe(struct ps3_system_bus_device *dev)
priv->queue = queue;
queue->queuedata = dev;
- blk_queue_make_request(queue, ps3vram_make_request);
blk_queue_max_segments(queue, BLK_MAX_SEGMENTS);
blk_queue_max_segment_size(queue, BLK_MAX_SEGMENT_SIZE);
blk_queue_max_hw_sectors(queue, BLK_SAFE_MAX_SECTORS);
diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c
index c47d28b2ce44..8ffa8260dcaf 100644
--- a/drivers/block/rsxx/dev.c
+++ b/drivers/block/rsxx/dev.c
@@ -248,7 +248,7 @@ int rsxx_setup_dev(struct rsxx_cardinfo *card)
return -ENOMEM;
}
- card->queue = blk_alloc_queue(GFP_KERNEL);
+ card->queue = blk_alloc_queue(rsxx_make_request, NUMA_NO_NODE);
if (!card->queue) {
dev_err(CARD_TO_DEV(card), "Failed queue alloc\n");
unregister_blkdev(card->major, DRIVER_NAME);
@@ -269,7 +269,6 @@ int rsxx_setup_dev(struct rsxx_cardinfo *card)
blk_queue_logical_block_size(card->queue, blk_size);
}
- blk_queue_make_request(card->queue, rsxx_make_request);
blk_queue_max_hw_sectors(card->queue, blkdev_max_hw_sectors);
blk_queue_physical_block_size(card->queue, RSXX_HW_BLK_SIZE);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 4eaf97d7a170..d84e8a878df2 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -885,11 +885,9 @@ static int mm_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
card->biotail = &card->bio;
spin_lock_init(&card->lock);
- card->queue = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE);
+ card->queue = blk_alloc_queue(mm_make_request, NUMA_NO_NODE);
if (!card->queue)
goto failed_alloc;
-
- blk_queue_make_request(card->queue, mm_make_request);
card->queue->queuedata = card;
tasklet_init(&card->tasklet, process_page, (unsigned long)card);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0736248999b0..f9b1e70f1b31 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -388,18 +388,15 @@ static void virtblk_update_capacity(struct virtio_blk *vblk, bool resize)
cap_str_10,
cap_str_2);
- set_capacity(vblk->disk, capacity);
+ set_capacity_revalidate_and_notify(vblk->disk, capacity, true);
}
static void virtblk_config_changed_work(struct work_struct *work)
{
struct virtio_blk *vblk =
container_of(work, struct virtio_blk, config_work);
- char *envp[] = { "RESIZE=1", NULL };
virtblk_update_capacity(vblk, true);
- revalidate_disk(vblk->disk);
- kobject_uevent_env(&disk_to_dev(vblk->disk)->kobj, KOBJ_CHANGE, envp);
}
static void virtblk_config_changed(struct virtio_device *vdev)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 9df516a56bb2..915cf5b6388c 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2338,7 +2338,6 @@ static void blkfront_connect(struct blkfront_info *info)
unsigned long sector_size;
unsigned int physical_sector_size;
unsigned int binfo;
- char *envp[] = { "RESIZE=1", NULL };
int err, i;
struct blkfront_ring_info *rinfo;
@@ -2354,10 +2353,7 @@ static void blkfront_connect(struct blkfront_info *info)
return;
printk(KERN_INFO "Setting capacity to %Lu\n",
sectors);
- set_capacity(info->gd, sectors);
- revalidate_disk(info->gd);
- kobject_uevent_env(&disk_to_dev(info->gd)->kobj,
- KOBJ_CHANGE, envp);
+ set_capacity_revalidate_and_notify(info->gd, sectors, true);
return;
case BLKIF_STATE_SUSPENDED:
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 1bdb5793842b..ebb234f36909 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -33,6 +33,7 @@
#include <linux/sysfs.h>
#include <linux/debugfs.h>
#include <linux/cpuhotplug.h>
+#include <linux/part_stat.h>
#include "zram_drv.h"
@@ -1894,7 +1895,7 @@ static int zram_add(void)
#ifdef CONFIG_ZRAM_WRITEBACK
spin_lock_init(&zram->wb_limit_lock);
#endif
- queue = blk_alloc_queue(GFP_KERNEL);
+ queue = blk_alloc_queue(zram_make_request, NUMA_NO_NODE);
if (!queue) {
pr_err("Error allocating disk queue for device %d\n",
device_id);
@@ -1902,8 +1903,6 @@ static int zram_add(void)
goto out_free_idr;
}
- blk_queue_make_request(queue, zram_make_request);
-
/* gendisk structure */
zram->disk = alloc_disk(1);
if (!zram->disk) {
generated by cgit (git 2.34.1) at 2024-06-10 17:33:25 +0000