| /Linux-v5.15/block/ |
| D | ioprio.c | 36 int set_task_ioprio(struct task_struct *task, int ioprio) in set_task_ioprio() argument
51 err = security_task_setioprio(task, ioprio); in set_task_ioprio()
57 ioc->ioprio = ioprio; in set_task_ioprio()
65 int ioprio_check_cap(int ioprio) in ioprio_check_cap() argument
67 int class = IOPRIO_PRIO_CLASS(ioprio); in ioprio_check_cap()
68 int data = IOPRIO_PRIO_DATA(ioprio); in ioprio_check_cap()
93 SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) in SYSCALL_DEFINE3() argument
101 ret = ioprio_check_cap(ioprio); in SYSCALL_DEFINE3()
114 ret = set_task_ioprio(p, ioprio); in SYSCALL_DEFINE3()
124 ret = set_task_ioprio(p, ioprio); in SYSCALL_DEFINE3()
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| D | Makefile | 11 genhd.o ioprio.o badblocks.o partitions/ blk-rq-qos.o \
20 obj-$(CONFIG_BLK_CGROUP_IOPRIO) += blk-ioprio.o
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| D | bfq-iosched.h | 242 unsigned short ioprio, ioprio_class; member
411 int ioprio; member
1055 unsigned short bfq_ioprio_to_weight(int ioprio);
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| D | bfq-iosched.c | 5268 ioprio_class = IOPRIO_PRIO_CLASS(bic->ioprio); in bfq_set_next_ioprio_data()
5283 bfqq->new_ioprio = IOPRIO_PRIO_DATA(bic->ioprio); in bfq_set_next_ioprio_data()
5287 bfqq->new_ioprio = IOPRIO_PRIO_DATA(bic->ioprio); in bfq_set_next_ioprio_data()
5317 int ioprio = bic->icq.ioc->ioprio; in bfq_check_ioprio_change() local
5323 if (unlikely(!bfqd) || likely(bic->ioprio == ioprio)) in bfq_check_ioprio_change()
5326 bic->ioprio = ioprio; in bfq_check_ioprio_change()
5408 int ioprio_class, int ioprio) in bfq_async_queue_prio() argument
5412 return &bfqg->async_bfqq[0][ioprio]; in bfq_async_queue_prio()
5414 ioprio = IOPRIO_BE_NORM; in bfq_async_queue_prio()
5417 return &bfqg->async_bfqq[1][ioprio]; in bfq_async_queue_prio()
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| D | blk-merge.c | 749 if (req->ioprio != next->ioprio) in attempt_merge()
886 if (rq->ioprio != bio_prio(bio)) in blk_rq_merge_ok()
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| D | bfq-wf2q.c | 506 unsigned short bfq_ioprio_to_weight(int ioprio) in bfq_ioprio_to_weight() argument
508 return (IOPRIO_NR_LEVELS - ioprio) * BFQ_WEIGHT_CONVERSION_COEFF; in bfq_ioprio_to_weight()
757 bfqq->ioprio = in __bfq_entity_update_weight_prio()
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| D | blk-core.c | 233 IOPRIO_PRIO_CLASS(req->ioprio)); in print_req_error()
1603 rq->ioprio = rq_src->ioprio; in blk_rq_prep_clone()
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| D | mq-deadline.c | 665 u16 ioprio = req_get_ioprio(rq); in dd_insert_request() local
666 u8 ioprio_class = IOPRIO_PRIO_CLASS(ioprio); in dd_insert_request()
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| D | bfq-cgroup.c | 431 bfqq->ioprio = bfqq->new_ioprio; in bfq_init_entity()
1412 bfqq->ioprio = bfqq->new_ioprio; in bfq_init_entity()
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| /Linux-v5.15/include/linux/ |
| D | ioprio.h | 19 static inline bool ioprio_valid(unsigned short ioprio) in ioprio_valid() argument
21 unsigned short class = IOPRIO_PRIO_CLASS(ioprio); in ioprio_valid()
58 return ioc->ioprio; in get_current_ioprio()
67 extern int set_task_ioprio(struct task_struct *task, int ioprio);
70 extern int ioprio_check_cap(int ioprio);
72 static inline int ioprio_check_cap(int ioprio) in ioprio_check_cap() argument
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| D | iocontext.h | 107 unsigned short ioprio; member
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| D | security.h | 166 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
423 int security_task_setioprio(struct task_struct *p, int ioprio);
1130 static inline int security_task_setioprio(struct task_struct *p, int ioprio) in security_task_setioprio() argument
1132 return cap_task_setioprio(p, ioprio); in security_task_setioprio()
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| D | blk-mq.h | 630 rq->ioprio = bio_prio(bio); in blk_rq_bio_prep()
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| D | blkdev.h | 218 unsigned short ioprio; member
251 return req->ioprio; in req_get_ioprio()
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| D | lsm_hook_defs.h | 213 LSM_HOOK(int, 0, task_setioprio, struct task_struct *p, int ioprio)
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| /Linux-v5.15/Documentation/block/ |
| D | ioprio.rst | 90 static inline int ioprio_set(int which, int who, int ioprio)
92 return syscall(__NR_ioprio_set, which, who, ioprio);
119 int ioprio = 4, set = 0, ioprio_class = IOPRIO_CLASS_BE;
125 ioprio = strtol(optarg, NULL, 10);
146 ioprio = 7;
157 ioprio = ioprio_get(IOPRIO_WHO_PROCESS, pid);
159 printf("pid=%d, %d\n", pid, ioprio);
161 if (ioprio == -1)
164 ioprio_class = ioprio >> IOPRIO_CLASS_SHIFT;
165 ioprio = ioprio & 0xff;
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| D | index.rst | 19 ioprio
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| D | bfq-iosched.rst | 288 - ioprio classes are served in strict priority order, i.e.,
315 per-process ioprio and weight
321 weight = (IOPRIO_BE_NR - ioprio) * 10.
515 same share of the whole group bandwidth, unless the ioprio of the
570 The linear mapping between ioprio and weights, described at the beginning
572 IOPRIO_BE_NR*10 are mapped to ioprio 0.
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| /Linux-v5.15/include/uapi/linux/ |
| D | ioprio.h | 12 #define IOPRIO_PRIO_CLASS(ioprio) \ argument
13 (((ioprio) >> IOPRIO_CLASS_SHIFT) & IOPRIO_CLASS_MASK)
14 #define IOPRIO_PRIO_DATA(ioprio) ((ioprio) & IOPRIO_PRIO_MASK) argument
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| D | virtio_blk.h | 172 __virtio32 ioprio; member
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| D | io_uring.h | 20 __u16 ioprio; /* ioprio for the request */ member
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| /Linux-v5.15/fs/ |
| D | io_uring.c | 2836 unsigned ioprio; in io_prep_rw() local
2862 ioprio = READ_ONCE(sqe->ioprio); in io_prep_rw()
2863 if (ioprio) { in io_prep_rw()
2864 ret = ioprio_check_cap(ioprio); in io_prep_rw()
2868 kiocb->ki_ioprio = ioprio; in io_prep_rw()
3685 if (sqe->ioprio || sqe->buf_index || sqe->splice_fd_in) in io_renameat_prep()
3736 if (sqe->ioprio || sqe->off || sqe->len || sqe->buf_index || in io_unlinkat_prep()
3785 if (sqe->ioprio || sqe->off || sqe->rw_flags || sqe->buf_index || in io_mkdirat_prep()
3828 if (sqe->ioprio || sqe->len || sqe->rw_flags || sqe->buf_index || in io_symlinkat_prep()
3877 if (sqe->ioprio || sqe->rw_flags || sqe->buf_index || sqe->splice_fd_in) in io_linkat_prep()
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| /Linux-v5.15/tools/io_uring/ |
| D | io_uring-bench.c | 189 sqe->ioprio = 0; in init_io()
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| /Linux-v5.15/kernel/ |
| D | fork.c | 1576 } else if (ioprio_valid(ioc->ioprio)) { in copy_io()
1581 new_ioc->ioprio = ioc->ioprio; in copy_io()
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| /Linux-v5.15/security/ |
| D | commoncap.c | 1213 int cap_task_setioprio(struct task_struct *p, int ioprio) in cap_task_setioprio() argument
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