diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 2 | ||||
| -rw-r--r-- | block/bounce.c | 2 | ||||
| -rw-r--r-- | block/genhd.c | 19 | ||||
| -rw-r--r-- | block/mq-deadline.c | 16 | ||||
| -rw-r--r-- | block/partition-generic.c | 6 | ||||
| -rw-r--r-- | block/sed-opal.c | 2 |
6 files changed, 33 insertions, 14 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index a0f675f84f86..abcb8684ba67 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2520,7 +2520,7 @@ blk_qc_t submit_bio(struct bio *bio) unsigned int count; if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) - count = queue_logical_block_size(bio->bi_disk->queue); + count = queue_logical_block_size(bio->bi_disk->queue) >> 9; else count = bio_sectors(bio); diff --git a/block/bounce.c b/block/bounce.c index 6a3e68292273..dd0b93f2a871 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -31,7 +31,7 @@ static struct bio_set *bounce_bio_set, *bounce_bio_split; static mempool_t *page_pool, *isa_page_pool; -#if defined(CONFIG_HIGHMEM) || defined(CONFIG_NEED_BOUNCE_POOL) +#if defined(CONFIG_HIGHMEM) static __init int init_emergency_pool(void) { #if defined(CONFIG_HIGHMEM) && !defined(CONFIG_MEMORY_HOTPLUG) diff --git a/block/genhd.c b/block/genhd.c index 9656f9e9f99e..dc7e089373b9 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -308,19 +308,22 @@ void blkdev_show(struct seq_file *seqf, off_t offset) /** * register_blkdev - register a new block device * - * @major: the requested major device number [1..255]. If @major = 0, try to - * allocate any unused major number. + * @major: the requested major device number [1..BLKDEV_MAJOR_MAX-1]. If + * @major = 0, try to allocate any unused major number. * @name: the name of the new block device as a zero terminated string * * The @name must be unique within the system. * * The return value depends on the @major input parameter: * - * - if a major device number was requested in range [1..255] then the - * function returns zero on success, or a negative error code + * - if a major device number was requested in range [1..BLKDEV_MAJOR_MAX-1] + * then the function returns zero on success, or a negative error code * - if any unused major number was requested with @major = 0 parameter * then the return value is the allocated major number in range - * [1..255] or a negative error code otherwise + * [1..BLKDEV_MAJOR_MAX-1] or a negative error code otherwise + * + * See Documentation/admin-guide/devices.txt for the list of allocated + * major numbers. */ int register_blkdev(unsigned int major, const char *name) { @@ -347,8 +350,8 @@ int register_blkdev(unsigned int major, const char *name) } if (major >= BLKDEV_MAJOR_MAX) { - pr_err("register_blkdev: major requested (%d) is greater than the maximum (%d) for %s\n", - major, BLKDEV_MAJOR_MAX, name); + pr_err("register_blkdev: major requested (%u) is greater than the maximum (%u) for %s\n", + major, BLKDEV_MAJOR_MAX-1, name); ret = -EINVAL; goto out; @@ -375,7 +378,7 @@ int register_blkdev(unsigned int major, const char *name) ret = -EBUSY; if (ret < 0) { - printk("register_blkdev: cannot get major %d for %s\n", + printk("register_blkdev: cannot get major %u for %s\n", major, name); kfree(p); } diff --git a/block/mq-deadline.c b/block/mq-deadline.c index c56f211c8440..8ec0ba9f5386 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -536,12 +536,21 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx, } /* + * Nothing to do here. This is defined only to ensure that .finish_request + * method is called upon request completion. + */ +static void dd_prepare_request(struct request *rq, struct bio *bio) +{ +} + +/* * For zoned block devices, write unlock the target zone of * completed write requests. Do this while holding the zone lock * spinlock so that the zone is never unlocked while deadline_fifo_request() - * while deadline_next_request() are executing. + * or deadline_next_request() are executing. This function is called for + * all requests, whether or not these requests complete successfully. */ -static void dd_completed_request(struct request *rq) +static void dd_finish_request(struct request *rq) { struct request_queue *q = rq->q; @@ -756,7 +765,8 @@ static struct elevator_type mq_deadline = { .ops.mq = { .insert_requests = dd_insert_requests, .dispatch_request = dd_dispatch_request, - .completed_request = dd_completed_request, + .prepare_request = dd_prepare_request, + .finish_request = dd_finish_request, .next_request = elv_rb_latter_request, .former_request = elv_rb_former_request, .bio_merge = dd_bio_merge, diff --git a/block/partition-generic.c b/block/partition-generic.c index 91622db9aedf..08dabcd8b6ae 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -51,6 +51,12 @@ const char *bdevname(struct block_device *bdev, char *buf) EXPORT_SYMBOL(bdevname); +const char *bio_devname(struct bio *bio, char *buf) +{ + return disk_name(bio->bi_disk, bio->bi_partno, buf); +} +EXPORT_SYMBOL(bio_devname); + /* * There's very little reason to use this, you should really * have a struct block_device just about everywhere and use diff --git a/block/sed-opal.c b/block/sed-opal.c index 38411c5c477f..945f4b8610e0 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -490,7 +490,7 @@ static int opal_discovery0_end(struct opal_dev *dev) if (!found_com_id) { pr_debug("Could not find OPAL comid for device. Returning early\n"); - return -EOPNOTSUPP;; + return -EOPNOTSUPP; } dev->comid = comid; |