diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/badblocks.c | 2 | ||||
| -rw-r--r-- | block/bfq-iosched.c | 4 | ||||
| -rw-r--r-- | block/blk-settings.c | 46 | ||||
| -rw-r--r-- | block/blk-wbt.c | 2 | ||||
| -rw-r--r-- | block/ioprio.c | 2 |
5 files changed, 51 insertions, 5 deletions
diff --git a/block/badblocks.c b/block/badblocks.c index 2e5f5697db35..d39056630d9c 100644 --- a/block/badblocks.c +++ b/block/badblocks.c @@ -525,7 +525,7 @@ ssize_t badblocks_store(struct badblocks *bb, const char *page, size_t len, case 3: if (newline != '\n') return -EINVAL; - /* fall through */ + fallthrough; case 2: if (length <= 0) return -EINVAL; diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index ee767fa000e4..fa98470df3f0 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4980,7 +4980,7 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic) pr_err("bdi %s: bfq: bad prio class %d\n", bdi_dev_name(bfqq->bfqd->queue->backing_dev_info), ioprio_class); - /* fall through */ + fallthrough; case IOPRIO_CLASS_NONE: /* * No prio set, inherit CPU scheduling settings. @@ -5112,7 +5112,7 @@ static struct bfq_queue **bfq_async_queue_prio(struct bfq_data *bfqd, return &bfqg->async_bfqq[0][ioprio]; case IOPRIO_CLASS_NONE: ioprio = IOPRIO_NORM; - /* fall through */ + fallthrough; case IOPRIO_CLASS_BE: return &bfqg->async_bfqq[1][ioprio]; case IOPRIO_CLASS_IDLE: diff --git a/block/blk-settings.c b/block/blk-settings.c index 76a7e03bcd6c..34b721a2743a 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -801,6 +801,52 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q, } EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging); +/** + * blk_queue_set_zoned - configure a disk queue zoned model. + * @disk: the gendisk of the queue to configure + * @model: the zoned model to set + * + * Set the zoned model of the request queue of @disk according to @model. + * When @model is BLK_ZONED_HM (host managed), this should be called only + * if zoned block device support is enabled (CONFIG_BLK_DEV_ZONED option). + * If @model specifies BLK_ZONED_HA (host aware), the effective model used + * depends on CONFIG_BLK_DEV_ZONED settings and on the existence of partitions + * on the disk. + */ +void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model) +{ + switch (model) { + case BLK_ZONED_HM: + /* + * Host managed devices are supported only if + * CONFIG_BLK_DEV_ZONED is enabled. + */ + WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED)); + break; + case BLK_ZONED_HA: + /* + * Host aware devices can be treated either as regular block + * devices (similar to drive managed devices) or as zoned block + * devices to take advantage of the zone command set, similarly + * to host managed devices. We try the latter if there are no + * partitions and zoned block device support is enabled, else + * we do nothing special as far as the block layer is concerned. + */ + if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED) || + disk_has_partitions(disk)) + model = BLK_ZONED_NONE; + break; + case BLK_ZONED_NONE: + default: + if (WARN_ON_ONCE(model != BLK_ZONED_NONE)) + model = BLK_ZONED_NONE; + break; + } + + disk->queue->limits.zoned = model; +} +EXPORT_SYMBOL_GPL(blk_queue_set_zoned); + static int __init blk_settings_init(void) { blk_max_low_pfn = max_low_pfn - 1; diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 0fa615eefd52..fd410086fe1d 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -528,7 +528,7 @@ static inline bool wbt_should_throttle(struct rq_wb *rwb, struct bio *bio) if ((bio->bi_opf & (REQ_SYNC | REQ_IDLE)) == (REQ_SYNC | REQ_IDLE)) return false; - /* fallthrough */ + fallthrough; case REQ_OP_DISCARD: return true; default: diff --git a/block/ioprio.c b/block/ioprio.c index 77bcab11dce5..04ebd37966f1 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -71,7 +71,7 @@ int ioprio_check_cap(int ioprio) case IOPRIO_CLASS_RT: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - /* fall through */ + fallthrough; /* rt has prio field too */ case IOPRIO_CLASS_BE: if (data >= IOPRIO_BE_NR || data < 0) |