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/linux-6.12.1/drivers/block/drbd/
Ddrbd_interval.c16 #define NODE_END(node) ((node)->sector + ((node)->size >> 9))
28 sector_t this_end = this->sector + (this->size >> 9); in drbd_insert_interval()
39 if (this->sector < here->sector) in drbd_insert_interval()
41 else if (this->sector > here->sector) in drbd_insert_interval()
60 * @sector: start sector of @interval
63 * Returns if the tree contains the node @interval with start sector @start.
66 * sector number.
69 drbd_contains_interval(struct rb_root *root, sector_t sector, in drbd_contains_interval() argument
78 if (sector < here->sector) in drbd_contains_interval()
80 else if (sector > here->sector) in drbd_contains_interval()
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Ddrbd_actlog.c127 sector_t sector, enum req_op op) in _drbd_md_sync_page_io() argument
144 bio->bi_iter.bi_sector = sector; in _drbd_md_sync_page_io()
178 sector_t sector, enum req_op op) in drbd_md_sync_page_io() argument
187 (unsigned long long)sector, (op == REQ_OP_WRITE) ? "WRITE" : "READ", in drbd_md_sync_page_io()
190 if (sector < drbd_md_first_sector(bdev) || in drbd_md_sync_page_io()
191 sector + 7 > drbd_md_last_sector(bdev)) in drbd_md_sync_page_io()
194 (unsigned long long)sector, in drbd_md_sync_page_io()
197 err = _drbd_md_sync_page_io(device, bdev, sector, op); in drbd_md_sync_page_io()
200 (unsigned long long)sector, in drbd_md_sync_page_io()
245 unsigned first = i->sector >> (AL_EXTENT_SHIFT-9); in drbd_al_begin_io_fastpath()
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Ddrbd_interval.h10 sector_t sector; /* start sector of the interval */ member
38 #define drbd_for_each_overlap(i, root, sector, size) \ argument
39 for (i = drbd_find_overlap(root, sector, size); \
41 i = drbd_next_overlap(i, sector, size))
/linux-6.12.1/block/
Dblk-lib.c13 static sector_t bio_discard_limit(struct block_device *bdev, sector_t sector) in bio_discard_limit() argument
19 sector += bdev->bd_start_sect; in bio_discard_limit()
22 round_up(sector, discard_granularity >> SECTOR_SHIFT); in bio_discard_limit()
28 if (granularity_aligned_sector != sector) in bio_discard_limit()
29 return granularity_aligned_sector - sector; in bio_discard_limit()
39 sector_t *sector, sector_t *nr_sects, gfp_t gfp_mask) in blk_alloc_discard_bio() argument
41 sector_t bio_sects = min(*nr_sects, bio_discard_limit(bdev, *sector)); in blk_alloc_discard_bio()
50 bio->bi_iter.bi_sector = *sector; in blk_alloc_discard_bio()
52 *sector += bio_sects; in blk_alloc_discard_bio()
63 int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, in __blkdev_issue_discard() argument
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Dblk-ia-ranges.c18 return sprintf(buf, "%llu\n", iar->sector); in blk_ia_range_sector_show()
34 .attr = { .name = "sector", .mode = 0444 },
121 * At this point, iars is the new set of sector access ranges that needs in disk_register_independent_access_ranges()
178 sector_t sector) in disk_find_ia_range() argument
185 if (sector >= iar->sector && in disk_find_ia_range()
186 sector < iar->sector + iar->nr_sectors) in disk_find_ia_range()
198 sector_t sector = 0; in disk_check_ia_ranges() local
206 * ranges do not overlap, that there are no sector holes and that all in disk_check_ia_ranges()
210 tmp = disk_find_ia_range(iars, sector); in disk_check_ia_ranges()
211 if (!tmp || tmp->sector != sector) { in disk_check_ia_ranges()
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Dblk-zoned.c121 * @sector: Sector from which to report zones
127 * Get zone information starting from the zone containing @sector for at most
129 * To report all zones in a device starting from @sector, the BLK_ALL_ZONES
137 int blkdev_report_zones(struct block_device *bdev, sector_t sector, in blkdev_report_zones() argument
146 if (!nr_zones || sector >= capacity) in blkdev_report_zones()
149 return disk->fops->report_zones(disk, sector, nr_zones, cb, data); in blkdev_report_zones()
165 * @sector: Start sector of the first zone to operate on
171 * @sector..@sector+@nr_sectors. Specifying the entire disk sector range
177 sector_t sector, sector_t nr_sectors) in blkdev_zone_mgmt() argument
181 sector_t end_sector = sector + nr_sectors; in blkdev_zone_mgmt()
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/linux-6.12.1/drivers/block/
Dbrd.c47 * Look up and return a brd's page for a given sector.
49 static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector) in brd_lookup_page() argument
51 return xa_load(&brd->brd_pages, sector >> PAGE_SECTORS_SHIFT); in brd_lookup_page()
55 * Insert a new page for a given sector, if one does not already exist.
57 static int brd_insert_page(struct brd_device *brd, sector_t sector, gfp_t gfp) in brd_insert_page() argument
59 pgoff_t idx = sector >> PAGE_SECTORS_SHIFT; in brd_insert_page()
63 page = brd_lookup_page(brd, sector); in brd_insert_page()
105 static int copy_to_brd_setup(struct brd_device *brd, sector_t sector, size_t n, in copy_to_brd_setup() argument
108 unsigned int offset = (sector & (PAGE_SECTORS-1)) << SECTOR_SHIFT; in copy_to_brd_setup()
113 ret = brd_insert_page(brd, sector, gfp); in copy_to_brd_setup()
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/linux-6.12.1/include/uapi/linux/
Dblkzoned.h88 * @start: Zone start in 512 B sector units
89 * @len: Zone length in 512 B sector units
90 * @wp: Zone write pointer location in 512 B sector units
97 * @capacity: Zone usable capacity in 512 B sector units
101 * start, len, capacity and wp use the regular 512 B sector unit, regardless
107 __u64 start; /* Zone start sector */
122 * @sector: starting sector of report
130 __u64 sector; member
140 * @sector: Starting sector of the first zone to operate on.
144 __u64 sector; member
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/linux-6.12.1/fs/btrfs/
Draid56.c137 * A bvec like structure to present a sector inside a page.
258 * Even if the sector is not covered by bio, if it is in cache_rbio_pages()
259 * a data sector it should still be uptodate as it is in cache_rbio_pages()
346 /* Also update the sector->uptodate bits. */ in steal_rbio_page()
361 * Thus if the first sector of the page belongs to data stripes, then in is_data_stripe_page()
680 /* Return a sector from rbio->stripe_sectors, not from the bio list */
689 /* Grab a sector inside P stripe */
696 /* Grab a sector inside Q stripe, return NULL if not RAID6 */
937 * Get a sector pointer specified by its @stripe_nr and @sector_nr.
941 * @sector_nr: Sector number inside the stripe,
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/linux-6.12.1/include/trace/events/
Dblock.h32 __field( sector_t, sector )
38 __entry->sector = bh->b_blocknr;
42 TP_printk("%d,%d sector=%llu size=%zu",
44 (unsigned long long)__entry->sector, __entry->size
91 __field( sector_t, sector )
100 __entry->sector = blk_rq_trace_sector(rq);
111 (unsigned long long)__entry->sector, __entry->nr_sector,
126 __field( sector_t, sector )
136 __entry->sector = blk_rq_pos(rq);
148 (unsigned long long)__entry->sector, __entry->nr_sector,
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Dbcache.h18 __field(sector_t, sector )
28 __entry->sector = bio->bi_iter.bi_sector;
36 __entry->rwbs, (unsigned long long)__entry->sector,
96 __field(sector_t, sector )
103 __entry->sector = bio->bi_iter.bi_sector;
110 (unsigned long long)__entry->sector, __entry->nr_sector)
129 __field(sector_t, sector )
138 __entry->sector = bio->bi_iter.bi_sector;
147 __entry->rwbs, (unsigned long long)__entry->sector,
159 __field(sector_t, sector )
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/linux-6.12.1/drivers/block/null_blk/
Dzoned.c56 sector_t sector = 0; in null_init_zoned_dev() local
134 zone->start = sector; in null_init_zoned_dev()
141 sector += dev->zone_size_sects; in null_init_zoned_dev()
148 zone->start = sector; in null_init_zoned_dev()
164 sector += dev->zone_size_sects; in null_init_zoned_dev()
193 int null_report_zones(struct gendisk *disk, sector_t sector, in null_report_zones() argument
203 first_zone = null_zone_no(dev, sector); in null_report_zones()
241 sector_t sector, unsigned int len) in null_zone_valid_read_len() argument
244 struct nullb_zone *zone = &dev->zones[null_zone_no(dev, sector)]; in null_zone_valid_read_len()
249 sector + nr_sectors <= zone->wp) in null_zone_valid_read_len()
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Dmain.c53 * @bitmap: The bitmap represents which sector in the page has data.
54 * Each bit represents one block size. For example, sector 8
866 static void null_free_sector(struct nullb *nullb, sector_t sector, in null_free_sector() argument
875 idx = sector >> PAGE_SECTORS_SHIFT; in null_free_sector()
876 sector_bit = (sector & SECTOR_MASK); in null_free_sector()
939 sector_t sector, bool for_write, bool is_cache) in __null_lookup_page() argument
946 idx = sector >> PAGE_SECTORS_SHIFT; in __null_lookup_page()
947 sector_bit = (sector & SECTOR_MASK); in __null_lookup_page()
960 sector_t sector, bool for_write, bool ignore_cache) in null_lookup_page() argument
965 page = __null_lookup_page(nullb, sector, for_write, true); in null_lookup_page()
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/linux-6.12.1/fs/hpfs/
Dhpfs.h29 typedef u32 secno; /* sector number, partition relative */
31 typedef secno dnode_secno; /* sector number of a dnode */
32 typedef secno fnode_secno; /* sector number of an fnode */
33 typedef secno anode_secno; /* sector number of an anode */
37 /* sector 0 */
71 /* sector 16 */
96 __le32 dir_band_start; /* first sector in dir band */
97 __le32 dir_band_end; /* last sector in dir band */
105 /* sector 17 */
120 u8 bad_sector: 1; /* bad sector, corrupted disk (???) */
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/linux-6.12.1/Documentation/admin-guide/device-mapper/
Ddm-integrity.rst6 per-sector tags that can be used for storing integrity information.
8 A general problem with storing integrity tags with every sector is that
9 writing the sector and the integrity tag must be atomic - i.e. in case of
10 crash, either both sector and integrity tag or none of them is written.
13 writes sector data and integrity tags into a journal, commits the journal
53 2. load the dm-integrity target with one-sector size, the kernel driver
67 2. the number of reserved sector at the beginning of the device - the
155 an attacker reading the journal could see the last sector numbers
156 that were written. From the sector numbers, the attacker can infer
161 Protect sector numbers in the journal from accidental or malicious
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Ddm-crypt.rst78 then sectors are encrypted according to their offsets (sector 0 uses key0;
79 sector 1 uses key1 etc.). <keycount> must be a power of two.
82 The IV offset is a sector count that is added to the sector number
91 Starting sector within the device where the encrypted data begins.
138 The device requires additional <bytes> metadata per-sector stored
152 Virtual device will announce this size as a minimal IO and logical sector.
155 IV generators will use sector number counted in <sector_size> units
159 sector will be 8 (without flag) and 1 if iv_large_sectors is present.
/linux-6.12.1/drivers/scsi/
Dsr_vendor.c25 * Some XA-Sector tweaking, required for older drives.
90 is followed by a read for the same sector - aeb */ in sr_vendor_init()
174 unsigned long sector; in sr_cd_check() local
186 sector = 0; /* the multisession sector offset goes here */ in sr_cd_check()
212 sector = buffer[11] + (buffer[10] << 8) + in sr_cd_check()
215 /* ignore sector offsets from first track */ in sr_cd_check()
216 sector = 0; in sr_cd_check()
243 sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame; in sr_cd_check()
271 sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame; in sr_cd_check()
272 if (sector) in sr_cd_check()
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/linux-6.12.1/fs/zonefs/
Dtrace.h30 __field(sector_t, sector)
38 __entry->sector = z->z_sector;
41 TP_printk("bdev=(%d,%d), ino=%lu op=%s, sector=%llu, nr_sectors=%llu",
43 blk_op_str(__entry->op), __entry->sector,
54 __field(sector_t, sector)
62 __entry->sector = zonefs_inode_zone(inode)->z_sector;
68 TP_printk("bdev=(%d, %d), ino=%lu, sector=%llu, size=%zu, wpoffset=%llu, ret=%zu",
70 __entry->sector, __entry->size, __entry->wpoffset,
/linux-6.12.1/drivers/mtd/
Drfd_ftl.c47 /* next is an array of mapping for each corresponding sector */
79 u_int header_size; /* bytes in header sector */
91 static int rfd_ftl_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf);
126 "sector %d out of range\n", in build_block_map()
133 "'%s': more than one entry for sector %d\n", in build_block_map()
240 static int rfd_ftl_readsect(struct mtd_blktrans_dev *dev, u_long sector, char *buf) in rfd_ftl_readsect() argument
247 if (sector >= part->sector_count) in rfd_ftl_readsect()
250 addr = part->sector_map[sector]; in rfd_ftl_readsect()
384 "read sector for relocation\n", in move_block_contents()
429 * Postpone reclaiming if there is a free sector as in reclaim_block()
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/linux-6.12.1/fs/xfs/libxfs/
Dxfs_trans_resv.c256 * the agfs of the ags containing the blocks: nr_ops * sector size
278 * the agfs of the ags from which the extents are allocated: 2 * sector
279 * the superblock free block counter: sector size
284 * the agfs of the ags from which the extents are allocated: 2 * sector
285 * the superblock free block counter: sector size
290 * the agfs of the ags containing the blocks: 2 * sector size
291 * the agfls of the ags containing the blocks: 2 * sector size
292 * the super block free block counter: sector size
360 * the agf for each of the ags: 4 * sector size
361 * the agfl for each of the ags: 4 * sector size
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/linux-6.12.1/fs/fat/
Dcache.c310 int fat_get_mapped_cluster(struct inode *inode, sector_t sector, in fat_get_mapped_cluster() argument
318 cluster = sector >> (sbi->cluster_bits - sb->s_blocksize_bits); in fat_get_mapped_cluster()
319 offset = sector & (sbi->sec_per_clus - 1); in fat_get_mapped_cluster()
326 if (*mapped_blocks > last_block - sector) in fat_get_mapped_cluster()
327 *mapped_blocks = last_block - sector; in fat_get_mapped_cluster()
333 static int is_exceed_eof(struct inode *inode, sector_t sector, in is_exceed_eof() argument
341 if (sector >= *last_block) { in is_exceed_eof()
351 if (sector >= *last_block) in is_exceed_eof()
358 int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys, in fat_bmap() argument
367 if (sector < (sbi->dir_entries >> sbi->dir_per_block_bits)) { in fat_bmap()
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/linux-6.12.1/drivers/md/
Ddm-log-writes.c72 * [ 1 sector ][ entry->nr_sectors ]
75 * The log_write_entry takes up a full sector so we can have arbitrary length
90 * sector - the sector we wrote.
97 __le64 sector; member
126 sector_t sector; member
214 sector_t sector) in write_metadata() argument
223 bio->bi_iter.bi_sector = sector; in write_metadata()
224 bio->bi_end_io = (sector == WRITE_LOG_SUPER_SECTOR) ? in write_metadata()
260 sector_t sector) in write_inline_data() argument
276 bio->bi_iter.bi_sector = sector; in write_inline_data()
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/linux-6.12.1/fs/hfsplus/
Dwrapper.c30 * @sector: block to read or write, for blocks of HFSPLUS_SECTOR_SIZE bytes
37 * @data will return a pointer to the start of the requested sector,
40 * If @sector is not aligned to the bdev logical block size it will
48 int hfsplus_submit_bio(struct super_block *sb, sector_t sector, in hfsplus_submit_bio() argument
59 * Align sector to hardware sector size and find offset. We in hfsplus_submit_bio()
64 start = (loff_t)sector << HFSPLUS_SECTOR_SHIFT; in hfsplus_submit_bio()
66 sector &= ~((io_size >> HFSPLUS_SECTOR_SHIFT) - 1); in hfsplus_submit_bio()
69 bio->bi_iter.bi_sector = sector; in hfsplus_submit_bio()
234 * Block size must be at least as large as a sector and a multiple of 2. in hfsplus_read_wrapper()
/linux-6.12.1/drivers/vdpa/vdpa_sim/
Dvdpa_sim_blk.c84 "starting sector exceeds the capacity - start: 0x%llx capacity: 0x%x\n", in vdpasim_blk_check_range()
118 u64 sector; in vdpasim_blk_handle_req() local
156 sector = vdpasim64_to_cpu(vdpasim, hdr.sector); in vdpasim_blk_handle_req()
157 offset = sector << SECTOR_SHIFT; in vdpasim_blk_handle_req()
161 sector != 0) { in vdpasim_blk_handle_req()
163 "sector must be 0 for %u request - sector: 0x%llx\n", in vdpasim_blk_handle_req()
164 type, sector); in vdpasim_blk_handle_req()
171 if (!vdpasim_blk_check_range(vdpasim, sector, in vdpasim_blk_handle_req()
194 if (!vdpasim_blk_check_range(vdpasim, sector, in vdpasim_blk_handle_req()
255 sector = le64_to_cpu(range.sector); in vdpasim_blk_handle_req()
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/linux-6.12.1/block/partitions/
Dmsdos.c75 Sector sect; in aix_magic_present()
135 Sector sect; in parse_extended()
229 __le32 s_start; /* start sector no of partition */
238 __le16 v_sectorsz; /* sector size in bytes */
254 Sector sect; in parse_solaris_x86()
313 __u32 d_secsize; /* # of bytes per sector */
323 __u16 d_interleave; /* hardware sector interleave */
324 __u16 d_trackskew; /* sector 0 skew, per track */
325 __u16 d_cylskew; /* sector 0 skew, per cylinder */
342 __le32 p_offset; /* starting sector */
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