Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-mq-sched.c Create Date:2022-07-28 17:14:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:blk_mq_next_ctx

Proto:static struct blk_mq_ctx *blk_mq_next_ctx(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx)

Type:struct blk_mq_ctx

Parameter:

TypeParameterName
struct blk_mq_hw_ctx *hctx
struct blk_mq_ctx *ctx
121  idx = index_hw[@type: HCTX_TYPE_* flags. Type of hardware queue. ]
123  If ++idx == @nr_ctx: Number of software queues. Then idx = 0
126  Return @ctxs: Array of software queues. [idx]
Caller
NameDescribe
blk_mq_do_dispatch_ctxOnly SCSI implements .get_budget and .put_budget, and SCSI restarts* its queue by itself in its completion handler, so we don't need to* restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.