Function report |
Source Code:include\linux\blk-cgroup.h |
Create Date:2022-07-28 05:57:13 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:blkcg_bio_issue_check
Proto:static inline bool blkcg_bio_issue_check(struct request_queue *q, struct bio *bio)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct request_queue * | q | |
struct bio * | bio |
586 | bool throtl = false |
593 | WARN_ONCE(1, "no blkg associated for bio on block-device: %s\n", bio_devname(bio, b)) |
601 | throtl = blk_throtl_bio(q, blkg, bio) |
603 | If Not throtl Then |
607 | If op_is_discard( bottom bits req flags, * top bits REQ_OP. Use * accessors.) Then rwd = BLKG_IOSTAT_DISCARD |
609 | Else if op_is_write( bottom bits req flags, * top bits REQ_OP. Use * accessors.) Then rwd = BLKG_IOSTAT_WRITE |
611 | Else rwd = BLKG_IOSTAT_READ |
615 | bis = per_cpu_ptr(iostat_cpu, cpu) |
616 | u64_stats_update_begin( & sync) |
623 | If Not bio_flagged(bio, BIO_QUEUE_ENTERED) Then bytes[rwd] += residual I/O count |
627 | u64_stats_update_end( & sync) |
630 | put_cpu() |
633 | blkcg_bio_issue_init(bio) |
636 | Return Not throtl |
Name | Describe |
---|---|
generic_make_request_checks |
Source code conversion tool public plug-in interface | X |
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