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/block/
Dbounce.c76 static void bounce_copy_vec(struct bio_vec *to, unsigned char *vfrom) in bounce_copy_vec() argument
80 vto = kmap_atomic(to->bv_page); in bounce_copy_vec()
81 memcpy(vto + to->bv_offset, vfrom, to->bv_len); in bounce_copy_vec()
87 #define bounce_copy_vec(to, vfrom) \ argument
88 memcpy(page_address((to)->bv_page) + (to)->bv_offset, vfrom, (to)->bv_len)
132 static void copy_to_high_bio_irq(struct bio *to, struct bio *from) in copy_to_high_bio_irq() argument
144 bio_for_each_segment(tovec, to, iter) { in copy_to_high_bio_irq()
289 struct bio_vec *to, from; in __blk_queue_bounce() local
319 for (i = 0, to = bio->bi_io_vec; i < bio->bi_vcnt; to++, i++) { in __blk_queue_bounce()
320 struct page *page = to->bv_page; in __blk_queue_bounce()
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DKconfig13 Disable this option to remove the block layer support from the
24 Say Y here unless you know you really don't want to mount disks and
49 This option is required by recent UDEV versions to properly
60 normally need to manually enable this.
68 Some storage devices allow extra information to be
69 stored/retrieved to help protect the data. The block layer
71 filesystems to ensure better data integrity.
90 Block layer bio throttling support. It can be used to limit
91 the IO rate to a device. IO rate policies are per cgroup and
92 one needs to mount and use blkio cgroup controller for creating
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DKconfig.iosched18 synchronous writes, it will self-tune queue depths to achieve that
25 of the device among all processes according to their weights,
27 also guarantees a low latency to interactive and soft
Dbfq-cgroup.c75 static inline void bfq_stat_add_aux(struct bfq_stat *to, in bfq_stat_add_aux() argument
79 &to->aux_cnt); in bfq_stat_add_aux()
369 static void bfqg_stats_add_aux(struct bfqg_stats *to, struct bfqg_stats *from) in bfqg_stats_add_aux() argument
371 if (!to || !from) in bfqg_stats_add_aux()
376 blkg_rwstat_add_aux(&to->merged, &from->merged); in bfqg_stats_add_aux()
377 blkg_rwstat_add_aux(&to->service_time, &from->service_time); in bfqg_stats_add_aux()
378 blkg_rwstat_add_aux(&to->wait_time, &from->wait_time); in bfqg_stats_add_aux()
380 bfq_stat_add_aux(&to->avg_queue_size_sum, &from->avg_queue_size_sum); in bfqg_stats_add_aux()
381 bfq_stat_add_aux(&to->avg_queue_size_samples, in bfqg_stats_add_aux()
383 bfq_stat_add_aux(&to->dequeue, &from->dequeue); in bfqg_stats_add_aux()
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/block/partitions/
DKconfig8 Say Y here if you would like to use hard disks under Linux which
12 Note that the answer to this question won't directly affect the
13 kernel: saying N will just cause the configurator to skip all
29 Say Y here if you would like to use hard disks under Linux which
42 Say Y here if you would like to use hard disks under Linux which
70 to read disks partitioned under RISCiX.
75 Say Y here if you would like to be able to read the hard disk
87 Say Y here if you would like to use hard disks under Linux which
94 Say Y here if you would like to use hard disks under Linux which
101 Say Y here if you would like to use hard disks under Linux which
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