| /linux/block/ |
| H A D | badblocks.c | 554 sector_t sectors = bad->len; in front_merge() local
562 merged = min_t(sector_t, sectors, BB_END(p[prev]) - s); in front_merge()
564 merged = min_t(sector_t, sectors, BB_MAX_LEN - BB_LEN(p[prev])); in front_merge()
839 static bool _badblocks_set(struct badblocks *bb, sector_t s, sector_t sectors, in _badblocks_set() argument
852 if (sectors == 0) in _badblocks_set()
858 sector_t next = s + sectors; in _badblocks_set()
862 sectors = next - s; in _badblocks_set()
872 bad.len = sectors; in _badblocks_set()
923 BB_END(p[prev]) - s, sectors); in _badblocks_set()
954 sectors -= len; in _badblocks_set()
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| H A D | genhd.c | 59 void set_capacity(struct gendisk *disk, sector_t sectors) in set_capacity() argument
61 if (sectors > BLK_DEV_MAX_SECTORS) { in set_capacity()
63 disk->disk_name, sectors, in set_capacity()
65 sectors = BLK_DEV_MAX_SECTORS; in set_capacity()
68 bdev_set_nr_sectors(disk->part0, sectors); in set_capacity()
119 stat->sectors[group] += ptr->sectors[group]; in part_stat_read_all()
1089 (unsigned long long)stat.sectors[STAT_READ], in part_stat_show()
1093 (unsigned long long)stat.sectors[STAT_WRITE], in part_stat_show()
1104 (unsigned long long)stat.sectors[STAT_DISCARD], in part_stat_show()
1394 seq_put_decimal_ull(seqf, " ", stat.sectors[STAT_READ]); in diskstats_show()
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | dm-ebs.rst | 8 size. Its main purpose is to provide emulation of 512 byte sectors on
18 <dev path> <offset> <emulated sectors> [<underlying sectors>]
27 has to be a multiple of <emulated sectors>.
28 <emulated sectors>:
29 Number of sectors defining the logical block size to be emulated;
30 1, 2, 4, 8 sectors of 512 bytes supported.
34 <underlying sectors>:
35 Number of sectors defining the logical block size of <dev path>.
36 2^N supported, e.g. 8 = emulate 8 sectors of 512 bytes = 4KiB.
43 offset 1024 sectors with underlying devices block size automatically set:
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| H A D | dm-dust.rst | 4 This target emulates the behavior of bad sectors at arbitrary
11 drive with bad sectors).
23 sectors.
25 Normally, a drive that is encountering bad sectors will most likely
26 encounter more bad sectors, at an unknown time or location.
32 simulating a "failure" event where bad sectors start to appear.
53 First, find the size (in 512-byte sectors) of the device to be used::
114 kernel: device-mapper: dust: enabling read failures on bad sectors
299 be bad sectors that occur on the device in the future, in a different,
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| /linux/drivers/md/ |
| H A D | raid0.c | 69 sector_t curr_zone_end, sectors; in create_strip_zones() local
89 sectors = rdev1->sectors; in create_strip_zones()
90 sector_div(sectors, mddev->chunk_sectors); in create_strip_zones()
91 rdev1->sectors = sectors * mddev->chunk_sectors; in create_strip_zones()
102 (unsigned long long)rdev1->sectors, in create_strip_zones()
104 (unsigned long long)rdev2->sectors); in create_strip_zones()
110 if (rdev2->sectors == rdev1->sectors) { in create_strip_zones()
199 if (!smallest || (rdev1->sectors < smallest->sectors)) in create_strip_zones()
209 zone->zone_end = smallest->sectors * cnt; in create_strip_zones()
222 zone->dev_start = smallest->sectors; in create_strip_zones()
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| H A D | md-linear.c | 55 static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks) in linear_size() argument
61 WARN_ONCE(sectors || raid_disks, in linear_size()
119 sector_t sectors; in linear_conf() local
129 sectors = rdev->sectors; in linear_conf()
130 sector_div(sectors, mddev->chunk_sectors); in linear_conf()
131 rdev->sectors = sectors * mddev->chunk_sectors; in linear_conf()
134 conf->array_sectors += rdev->sectors; in linear_conf()
146 conf->disks[0].end_sector = conf->disks[0].rdev->sectors; in linear_conf()
151 conf->disks[i].rdev->sectors; in linear_conf()
247 start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors; in linear_make_request()
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| H A D | raid10.c | 362 r10_bio->devs[slot].addr + (r10_bio->sectors); in update_head_pos()
546 r10_bio->sectors) && in raid10_end_write_request()
743 int sectors = r10_bio->sectors; in read_balance() local
763 if (raid1_should_read_first(conf->mddev, this_sector, sectors)) in read_balance()
778 r10_bio->devs[slot].addr + sectors > in read_balance()
785 r10_bio->devs[slot].addr + sectors > rdev->recovery_offset) in read_balance()
789 if (is_badblock(rdev, dev_sector, sectors, in read_balance()
800 if (!do_balance && sectors > bad_sectors) in read_balance()
801 sectors = bad_sectors; in read_balance()
802 if (best_good_sectors > sectors) in read_balance()
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| H A D | md-llbitmap.c | 482 unsigned long *sectors, bool previous) in llbitmap_map_layout() argument
486 sector_t end = start + *sectors; in llbitmap_map_layout()
489 *sectors = 0; in llbitmap_map_layout()
496 *sectors = end - start; in llbitmap_map_layout()
497 if (!*sectors) in llbitmap_map_layout()
502 sectors, previous); in llbitmap_map_layout()
505 sectors); in llbitmap_map_layout()
509 end = start + *sectors; in llbitmap_map_layout()
511 *sectors = 0; in llbitmap_map_layout()
513 *sectors = limit - start; in llbitmap_map_layout()
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| H A D | raid1.c | 65 sector_t hi = lo + r1_bio->sectors - 1; in check_and_add_serial()
363 r1_bio->sector + r1_bio->sectors); in update_head_pos()
478 sector_t hi = r1_bio->sector + r1_bio->sectors - 1; in raid1_end_write_request()
535 if (rdev_has_badblock(rdev, r1_bio->sector, r1_bio->sectors) && in raid1_end_write_request()
583 sector_t sectors) in align_to_barrier_unit_end() argument
587 WARN_ON(sectors == 0); in align_to_barrier_unit_end()
595 if (len > sectors) in align_to_barrier_unit_end()
596 len = sectors; in align_to_barrier_unit_end()
616 int len = r1_bio->sectors; in choose_first_rdev()
645 rdev->recovery_offset < r1_bio->sector + r1_bio->sectors; in rdev_in_recovery()
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| H A D | md.h | 137 sector_t sectors; /* Device size (in 512bytes sectors) */ member
299 static inline int is_badblock(struct md_rdev *rdev, sector_t s, sector_t sectors, in is_badblock() argument
304 sectors, in is_badblock()
314 sector_t sectors) in rdev_has_badblock() argument
319 return is_badblock(rdev, s, sectors, &first_bad, &bad_sectors); in rdev_has_badblock()
322 extern bool rdev_set_badblocks(struct md_rdev *rdev, sector_t s, sector_t sectors,
324 extern void rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, sector_t sectors,
773 int (*resize) (struct mddev *mddev, sector_t sectors);
774 sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
799 unsigned long *sectors);
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| H A D | dm-stats.c | 26 unsigned long long sectors[2]; member
604 p->sectors[idx] += len; in dm_stat_for_entry()
731 shared->tmp.sectors[READ] = 0; in __dm_stat_init_temporary_percpu_totals()
732 shared->tmp.sectors[WRITE] = 0; in __dm_stat_init_temporary_percpu_totals()
749 shared->tmp.sectors[READ] += READ_ONCE(p->sectors[READ]); in __dm_stat_init_temporary_percpu_totals()
750 shared->tmp.sectors[WRITE] += READ_ONCE(p->sectors[WRITE]); in __dm_stat_init_temporary_percpu_totals()
783 p->sectors[READ] -= shared->tmp.sectors[READ]; in __dm_stat_clear()
784 p->sectors[WRITE] -= shared->tmp.sectors[WRITE]; in __dm_stat_clear()
901 shared->tmp.sectors[READ], in dm_stats_print()
905 shared->tmp.sectors[WRITE], in dm_stats_print()
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| H A D | md.c | 1082 rdev->sectors = 0; in md_rdev_clear()
1443 rdev->sectors = rdev->sb_start; in super_90_load()
1448 if ((u64)rdev->sectors >= (2ULL << 32) && sb->level >= 1) in super_90_load()
1449 rdev->sectors = (sector_t)(2ULL << 32) - 2; in super_90_load()
1451 if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1) in super_90_load()
1808 sector_t sectors; in super_1_load() local
1907 int sectors = le16_to_cpu(sb->bblog_size); in super_1_load() local
1908 if (sectors > (PAGE_SIZE / 512)) in super_1_load()
1914 if (!sync_page_io(rdev, bb_sector, sectors << 9, in super_1_load()
1926 for (i = 0 ; i < (sectors << (9-3)) ; i++, bbp++) { in super_1_load()
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| /linux/Documentation/block/ |
| H A D | stat.rst | 31 read sectors sectors number of sectors read
35 write sectors sectors number of sectors written
42 discard sectors sectors number of sectors discarded
67 read sectors, write sectors, discard_sectors
70 These values count the number of sectors read from, written to, or
71 discarded from this block device. The "sectors" in question are the
72 standard UNIX 512-byte sectors, not any device- or filesystem-specific
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| /linux/drivers/mtd/ |
| H A D | ssfdc.c | 22 unsigned char sectors; member
317 ssfdc->sectors = 32; in ssfdcr_add_mtd()
318 get_chs(mtd->size, NULL, &ssfdc->heads, &ssfdc->sectors); in ssfdcr_add_mtd()
320 ((long)ssfdc->sectors * (long)ssfdc->heads)); in ssfdcr_add_mtd()
323 ssfdc->cylinders, ssfdc->heads , ssfdc->sectors, in ssfdcr_add_mtd()
325 (long)ssfdc->sectors); in ssfdcr_add_mtd()
328 (long)ssfdc->sectors; in ssfdcr_add_mtd()
411 ssfdc->cylinders, ssfdc->heads, ssfdc->sectors); in ssfdcr_getgeo()
414 geo->sectors = ssfdc->sectors; in ssfdcr_getgeo()
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| H A D | nftlcore.c | 71 nftl->sectors = nftl->mbd.size / temp; in nftl_add_mtd()
73 nftl->sectors++; in nftl_add_mtd()
74 temp = nftl->cylinders * nftl->sectors; in nftl_add_mtd()
79 temp = nftl->heads * nftl->sectors; in nftl_add_mtd()
84 if (nftl->mbd.size != nftl->heads * nftl->cylinders * nftl->sectors) { in nftl_add_mtd()
93 nftl->cylinders, nftl->heads , nftl->sectors, in nftl_add_mtd()
95 (long)nftl->sectors ); in nftl_add_mtd()
770 geo->sectors = nftl->sectors; in nftl_getgeo()
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| H A D | inftlcore.c | 78 inftl->sectors = inftl->mbd.size / temp; in inftl_add_mtd()
80 inftl->sectors++; in inftl_add_mtd()
81 temp = inftl->cylinders * inftl->sectors; in inftl_add_mtd()
86 temp = inftl->heads * inftl->sectors; in inftl_add_mtd()
91 if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) { in inftl_add_mtd()
100 inftl->cylinders, inftl->heads , inftl->sectors, in inftl_add_mtd()
102 (long)inftl->sectors ); in inftl_add_mtd()
922 geo->sectors = inftl->sectors; in inftl_getgeo()
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| /linux/drivers/usb/storage/ |
| H A D | datafab.c | 60 unsigned long sectors; /* total sector count */ member
138 u32 sectors) in datafab_read_data() argument
153 if (sectors > 0x0FFFFFFF) in datafab_read_data()
162 totallen = sectors * info->ssize; in datafab_read_data()
221 u32 sectors) in datafab_write_data() argument
237 if (sectors > 0x0FFFFFFF) in datafab_write_data()
246 totallen = sectors * info->ssize; in datafab_write_data()
420 info->sectors = ((u32)(reply[117]) << 24) | in datafab_id_device()
582 info->sectors, info->ssize); in datafab_transport()
586 ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1); in datafab_transport()
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| H A D | jumpshot.c | 96 unsigned long sectors; /* total sector count */ member
156 u32 sectors) in jumpshot_read_data() argument
174 totallen = sectors * info->ssize; in jumpshot_read_data()
233 u32 sectors) in jumpshot_write_data() argument
251 totallen = sectors * info->ssize; in jumpshot_write_data()
354 info->sectors = ((u32)(reply[117]) << 24) | in jumpshot_id_device()
513 info->sectors, info->ssize); in jumpshot_transport()
517 ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1); in jumpshot_transport()
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| H A D | sddr55.c | 190 unsigned short sectors) { in sddr55_read_data() argument
209 len = min_t(unsigned int, sectors, info->blocksize >> in sddr55_read_data()
217 while (sectors>0) { in sddr55_read_data()
227 pages = min_t(unsigned int, sectors << info->smallpageshift, in sddr55_read_data()
295 sectors -= pages >> info->smallpageshift; in sddr55_read_data()
309 unsigned short sectors) { in sddr55_write_data() argument
336 len = min_t(unsigned int, sectors, info->blocksize >> in sddr55_write_data()
344 while (sectors > 0) { in sddr55_write_data()
354 pages = min_t(unsigned int, sectors << info->smallpageshift, in sddr55_write_data()
509 sectors -= pages >> info->smallpageshift; in sddr55_write_data()
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| /linux/Documentation/ABI/testing/ |
| H A D | procfs-diskstats | 15 6 sectors read
19 10 sectors written
32 17 sectors discarded
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| /linux/drivers/md/bcache/ |
| H A D | alloc.c | 83 void bch_rescale_priorities(struct cache_set *c, int sectors) in bch_rescale_priorities() argument
90 atomic_sub(sectors, &c->rescale); in bch_rescale_priorities()
592 unsigned int sectors, in bch_alloc_sectors() argument
640 sectors = min(sectors, b->sectors_free); in bch_alloc_sectors()
642 SET_KEY_OFFSET(k, KEY_OFFSET(k) + sectors); in bch_alloc_sectors()
643 SET_KEY_SIZE(k, sectors); in bch_alloc_sectors()
654 b->sectors_free -= sectors; in bch_alloc_sectors()
657 SET_PTR_OFFSET(&b->key, i, PTR_OFFSET(&b->key, i) + sectors); in bch_alloc_sectors()
659 atomic_long_add(sectors, in bch_alloc_sectors()
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| H A D | request.c | 117 unsigned int sectors = min(bio_sectors(bio), in bch_data_invalidate() local
123 bio->bi_iter.bi_sector += sectors; in bch_data_invalidate()
124 bio->bi_iter.bi_size -= sectors << 9; in bch_data_invalidate()
129 sectors)); in bch_data_invalidate()
367 unsigned int sectors, congested; in check_should_bypass() local
453 sectors = max(task->sequential_io, in check_should_bypass()
457 sectors >= dc->sequential_cutoff >> 9) { in check_should_bypass()
462 if (congested && sectors >= congested) { in check_should_bypass()
540 unsigned int sectors = KEY_INODE(k) == s->iop.inode in cache_lookup_fn() local
544 int ret = s->d->cache_miss(b, s, bio, sectors); in cache_lookup_fn()
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| /linux/include/linux/ |
| H A D | badblocks.h | 51 int badblocks_check(struct badblocks *bb, sector_t s, sector_t sectors,
53 bool badblocks_set(struct badblocks *bb, sector_t s, sector_t sectors,
55 bool badblocks_clear(struct badblocks *bb, sector_t s, sector_t sectors);
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| /linux/drivers/mtd/nand/ |
| H A D | ecc-mtk.c | 66 u32 sectors; member
152 if (dec & ecc->sectors) { in mtk_ecc_irq()
158 ecc->sectors = 0; in mtk_ecc_irq()
215 if (config->sectors) in mtk_ecc_config()
216 ecc->sectors = 1 << (config->sectors - 1); in mtk_ecc_config()
223 int sectors) in mtk_ecc_get_stats() argument
231 for (i = 0; i < sectors; i++) { in mtk_ecc_get_stats()
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| /linux/arch/x86/boot/ |
| H A D | mtools.conf.in | 11 file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=18 filter
15 file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=36 filter
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