| /Linux-v5.10/Documentation/admin-guide/device-mapper/ |
| 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 <underyling 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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| D | dm-integrity.rst | 59 dm-integrity won't read of write these sectors
68 not used and data sectors and integrity tags are written
97 The number of interleaved sectors. This values is rounded down to
106 The number of sectors in one buffer. The value is rounded down to
174 512-byte sectors that corresponds to one bitmap bit.
199 2. provided data sectors - that is the number of sectors that the user
206 * reserved sectors
214 * log2(interleave sectors)
217 * provided data sectors - the number of sectors that this target
220 bios that access data beyond the "provided data sectors" limit.
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| /Linux-v5.10/drivers/target/ |
| D | target_core_sbc.c | 216 static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors) in sbc_get_size() argument
218 return cmd->se_dev->dev_attrib.block_size * sectors; in sbc_get_size()
286 unsigned int sectors = sbc_get_write_same_sectors(cmd); in sbc_setup_write_same() local
295 if (sectors > cmd->se_dev->dev_attrib.max_write_same_len) { in sbc_setup_write_same()
297 sectors, cmd->se_dev->dev_attrib.max_write_same_len); in sbc_setup_write_same()
303 if (((cmd->t_task_lba + sectors) < cmd->t_task_lba) || in sbc_setup_write_same()
304 ((cmd->t_task_lba + sectors) > end_lba)) { in sbc_setup_write_same()
306 (unsigned long long)end_lba, cmd->t_task_lba, sectors); in sbc_setup_write_same()
334 ret = sbc_check_prot(dev, cmd, &cmd->t_task_cdb[0], sectors, true); in sbc_setup_write_same()
690 u32 sectors, bool is_write) in sbc_check_prot() argument
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| /Linux-v5.10/drivers/md/ |
| D | raid0.c | 68 sector_t curr_zone_end, sectors; in create_strip_zones() local
87 sectors = rdev1->sectors; in create_strip_zones()
88 sector_div(sectors, mddev->chunk_sectors); in create_strip_zones()
89 rdev1->sectors = sectors * mddev->chunk_sectors; in create_strip_zones()
99 (unsigned long long)rdev1->sectors, in create_strip_zones()
101 (unsigned long long)rdev2->sectors); in create_strip_zones()
107 if (rdev2->sectors == rdev1->sectors) { in create_strip_zones()
213 if (!smallest || (rdev1->sectors < smallest->sectors)) in create_strip_zones()
223 zone->zone_end = smallest->sectors * cnt; in create_strip_zones()
236 zone->dev_start = smallest->sectors; in create_strip_zones()
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| D | md-linear.c | 49 static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks) in linear_size() argument
55 WARN_ONCE(sectors || raid_disks, in linear_size()
79 sector_t sectors; in linear_conf() local
89 sectors = rdev->sectors; in linear_conf()
90 sector_div(sectors, mddev->chunk_sectors); in linear_conf()
91 rdev->sectors = sectors * mddev->chunk_sectors; in linear_conf()
97 conf->array_sectors += rdev->sectors; in linear_conf()
117 conf->disks[0].end_sector = conf->disks[0].rdev->sectors; in linear_conf()
122 conf->disks[i].rdev->sectors; in linear_conf()
229 start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors; in linear_make_request()
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| D | raid1.c | 65 sector_t hi = lo + r1_bio->sectors; in check_and_add_serial()
337 r1_bio->sector + (r1_bio->sectors); in update_head_pos()
420 r1_bio->sectors, in close_write()
452 sector_t hi = r1_bio->sector + r1_bio->sectors; in raid1_end_write_request()
514 if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors, in raid1_end_write_request()
562 sector_t sectors) in align_to_barrier_unit_end() argument
566 WARN_ON(sectors == 0); in align_to_barrier_unit_end()
574 if (len > sectors) in align_to_barrier_unit_end()
575 len = sectors; in align_to_barrier_unit_end()
597 int sectors; in read_balance() local
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| D | raid10.c | 318 r10_bio->devs[slot].addr + (r10_bio->sectors); in update_head_pos()
406 r10_bio->sectors, in close_write()
512 r10_bio->sectors, in raid10_end_write_request()
709 int sectors = r10_bio->sectors; in read_balance() local
736 && (this_sector + sectors >= conf->next_resync)) || in read_balance()
739 this_sector + sectors))) in read_balance()
754 r10_bio->devs[slot].addr + sectors > rdev->recovery_offset) in read_balance()
760 r10_bio->devs[slot].addr + sectors > rdev->recovery_offset) in read_balance()
764 if (is_badblock(rdev, dev_sector, sectors, in read_balance()
775 if (!do_balance && sectors > bad_sectors) in read_balance()
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| /Linux-v5.10/block/ |
| D | badblocks.c | 53 int badblocks_check(struct badblocks *bb, sector_t s, int sectors, in badblocks_check() argument
60 sector_t target = s + sectors; in badblocks_check()
68 sectors = target - s; in badblocks_check()
163 int badblocks_set(struct badblocks *bb, sector_t s, int sectors, in badblocks_set() argument
177 sector_t next = s + sectors; in badblocks_set()
182 sectors = next - s; in badblocks_set()
213 if (s == a && s + sectors >= e) in badblocks_set()
219 if (e < s + sectors) in badblocks_set()
220 e = s + sectors; in badblocks_set()
232 sectors = e - s; in badblocks_set()
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| /Linux-v5.10/Documentation/block/ |
| 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-v5.10/drivers/scsi/ |
| D | scsicam.c | 180 unsigned long heads, sectors, cylinders, temp; in setsize() local
183 sectors = 62L; /* Maximize sectors per track */ in setsize()
185 temp = cylinders * sectors; /* Compute divisor for heads */ in setsize()
190 sectors = capacity / temp; /* Compute value for sectors per in setsize()
193 sectors++; /* Else, increment number of sectors */ in setsize()
194 temp = heads * sectors; /* Compute divisor for cylinders */ in setsize()
202 *secs = (unsigned int) sectors; in setsize()
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| D | ps3rom.c | 161 u32 sectors) in ps3rom_read_request() argument
166 __func__, __LINE__, sectors, start_sector); in ps3rom_read_request()
170 sectors, 0, dev->bounce_lpar, &dev->tag); in ps3rom_read_request()
182 u32 sectors) in ps3rom_write_request() argument
187 __func__, __LINE__, sectors, start_sector); in ps3rom_write_request()
193 sectors, 0, dev->bounce_lpar, &dev->tag); in ps3rom_write_request()
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| /Linux-v5.10/drivers/mtd/ |
| D | ssfdc.c | 23 unsigned char sectors; member
318 ssfdc->sectors = 32; in ssfdcr_add_mtd()
319 get_chs(mtd->size, NULL, &ssfdc->heads, &ssfdc->sectors); in ssfdcr_add_mtd()
321 ((long)ssfdc->sectors * (long)ssfdc->heads)); in ssfdcr_add_mtd()
324 ssfdc->cylinders, ssfdc->heads , ssfdc->sectors, in ssfdcr_add_mtd()
326 (long)ssfdc->sectors); in ssfdcr_add_mtd()
329 (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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| 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()
772 geo->sectors = nftl->sectors; in nftl_getgeo()
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| /Linux-v5.10/drivers/mtd/spi-nor/ |
| D | Kconfig | 14 bool "Use small 4096 B erase sectors"
17 Many flash memories support erasing small (4096 B) sectors. Depending
21 small sectors. On the other hand erasing should be faster when using
22 64 KiB block instead of 16 × 4 KiB sectors.
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| /Linux-v5.10/include/linux/ |
| D | badblocks.h | 44 int badblocks_check(struct badblocks *bb, sector_t s, int sectors,
46 int badblocks_set(struct badblocks *bb, sector_t s, int sectors,
48 int badblocks_clear(struct badblocks *bb, sector_t s, int sectors);
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| /Linux-v5.10/Documentation/ABI/testing/ |
| D | procfs-diskstats | 15 6 sectors read
19 10 sectors written
32 17 sectors discarded
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| /Linux-v5.10/drivers/usb/storage/ |
| 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()
421 info->sectors = ((u32)(reply[117]) << 24) | in datafab_id_device()
583 info->sectors, info->ssize); in datafab_transport()
587 ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1); in datafab_transport()
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| 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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| D | sddr55.c | 190 unsigned short sectors) { in sddr55_read_data() argument
209 len = min((unsigned int) sectors, (unsigned int) info->blocksize >> in sddr55_read_data()
217 while (sectors>0) { in sddr55_read_data()
227 pages = min((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((unsigned int) sectors, (unsigned int) info->blocksize >> in sddr55_write_data()
344 while (sectors > 0) { in sddr55_write_data()
354 pages = min((unsigned int) sectors << info->smallpageshift, in sddr55_write_data()
503 sectors -= pages >> info->smallpageshift; in sddr55_write_data()
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| /Linux-v5.10/fs/hfsplus/ |
| D | btree.c | 76 u64 sectors, int file_id) in hfsplus_calc_btree_clump_size() argument
100 if (sectors < 0x200000) { in hfsplus_calc_btree_clump_size()
101 clump_size = sectors << 2; /* 0.8 % */ in hfsplus_calc_btree_clump_size()
106 for (i = 0, sectors = sectors >> 22; in hfsplus_calc_btree_clump_size()
107 sectors && (i < CLUMP_ENTRIES - 1); in hfsplus_calc_btree_clump_size()
108 ++i, sectors = sectors >> 1) { in hfsplus_calc_btree_clump_size()
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| /Linux-v5.10/drivers/md/bcache/ |
| D | alloc.c | 86 void bch_rescale_priorities(struct cache_set *c, int sectors) in bch_rescale_priorities() argument
93 atomic_sub(sectors, &c->rescale); in bch_rescale_priorities()
609 unsigned int sectors, in bch_alloc_sectors() argument
657 sectors = min(sectors, b->sectors_free); in bch_alloc_sectors()
659 SET_KEY_OFFSET(k, KEY_OFFSET(k) + sectors); in bch_alloc_sectors()
660 SET_KEY_SIZE(k, sectors); in bch_alloc_sectors()
671 b->sectors_free -= sectors; in bch_alloc_sectors()
674 SET_PTR_OFFSET(&b->key, i, PTR_OFFSET(&b->key, i) + sectors); in bch_alloc_sectors()
676 atomic_long_add(sectors, in bch_alloc_sectors()
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| 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
439 sectors = max(task->sequential_io, in check_should_bypass()
443 sectors >= dc->sequential_cutoff >> 9) { in check_should_bypass()
448 if (congested && sectors >= congested) { in check_should_bypass()
526 unsigned int sectors = KEY_INODE(k) == s->iop.inode in cache_lookup_fn() local
530 int ret = s->d->cache_miss(b, s, bio, sectors); in cache_lookup_fn()
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| /Linux-v5.10/arch/x86/boot/ |
| 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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| /Linux-v5.10/block/partitions/ |
| D | ibm.c | 41 return cyl * geo->heads * geo->sectors + in cchh2blk()
42 head * geo->sectors; in cchh2blk()
59 return cyl * geo->heads * geo->sectors + in cchhb2blk()
60 head * geo->sectors + in cchhb2blk()
177 offset + geo->sectors; in find_vol1_partitions()
222 * geo->sectors * secperblk; in find_lnx1_partitions()
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| /Linux-v5.10/drivers/mtd/nand/raw/ |
| D | mtk_ecc.c | 62 u32 sectors; member
142 if (dec & ecc->sectors) { in mtk_ecc_irq()
148 ecc->sectors = 0; in mtk_ecc_irq()
205 if (config->sectors) in mtk_ecc_config()
206 ecc->sectors = 1 << (config->sectors - 1); in mtk_ecc_config()
213 int sectors) in mtk_ecc_get_stats() argument
221 for (i = 0; i < sectors; i++) { in mtk_ecc_get_stats()
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