| /Linux-v5.4/drivers/block/paride/ |
| D | pd.c | 247 enum action (*func)(struct pd_unit *disk);
259 static inline int status_reg(struct pd_unit *disk) in status_reg() argument
261 return pi_read_regr(disk->pi, 1, 6); in status_reg()
264 static inline int read_reg(struct pd_unit *disk, int reg) in read_reg() argument
266 return pi_read_regr(disk->pi, 0, reg); in read_reg()
269 static inline void write_status(struct pd_unit *disk, int val) in write_status() argument
271 pi_write_regr(disk->pi, 1, 6, val); in write_status()
274 static inline void write_reg(struct pd_unit *disk, int reg, int val) in write_reg() argument
276 pi_write_regr(disk->pi, 0, reg, val); in write_reg()
279 static inline u8 DRIVE(struct pd_unit *disk) in DRIVE() argument
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| D | pf.c | 215 static void pf_release(struct gendisk *disk, fmode_t mode);
241 struct gendisk *disk; member
251 static unsigned int pf_check_events(struct gendisk *disk,
294 struct gendisk *disk; in pf_init_units() local
296 disk = alloc_disk(1); in pf_init_units()
297 if (!disk) in pf_init_units()
300 disk->queue = blk_mq_init_sq_queue(&pf->tag_set, &pf_mq_ops, in pf_init_units()
302 if (IS_ERR(disk->queue)) { in pf_init_units()
303 disk->queue = NULL; in pf_init_units()
304 put_disk(disk); in pf_init_units()
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| D | pcd.c | 202 struct gendisk *disk; member
245 static void pcd_block_release(struct gendisk *disk, fmode_t mode) in pcd_block_release() argument
247 struct pcd_unit *cd = disk->private_data; in pcd_block_release()
266 static unsigned int pcd_block_check_events(struct gendisk *disk, in pcd_block_check_events() argument
269 struct pcd_unit *cd = disk->private_data; in pcd_block_check_events()
309 struct gendisk *disk = alloc_disk(1); in pcd_init_units() local
311 if (!disk) in pcd_init_units()
314 disk->queue = blk_mq_init_sq_queue(&cd->tag_set, &pcd_mq_ops, in pcd_init_units()
316 if (IS_ERR(disk->queue)) { in pcd_init_units()
317 disk->queue = NULL; in pcd_init_units()
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| /Linux-v5.4/block/ |
| D | genhd.c | 44 static void disk_alloc_events(struct gendisk *disk);
45 static void disk_add_events(struct gendisk *disk);
46 static void disk_del_events(struct gendisk *disk);
47 static void disk_release_events(struct gendisk *disk);
111 struct hd_struct *__disk_get_part(struct gendisk *disk, int partno) in __disk_get_part() argument
113 struct disk_part_tbl *ptbl = rcu_dereference(disk->part_tbl); in __disk_get_part()
134 struct hd_struct *disk_get_part(struct gendisk *disk, int partno) in disk_get_part() argument
139 part = __disk_get_part(disk, partno); in disk_get_part()
159 void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk, in disk_part_iter_init() argument
165 ptbl = rcu_dereference(disk->part_tbl); in disk_part_iter_init()
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| D | partition-generic.c | 270 void delete_partition(struct gendisk *disk, int partno) in delete_partition() argument
273 rcu_dereference_protected(disk->part_tbl, 1); in delete_partition()
309 struct hd_struct *add_partition(struct gendisk *disk, int partno, in add_partition() argument
315 struct device *ddev = disk_to_dev(disk); in add_partition()
321 err = disk_expand_part_tbl(disk, partno); in add_partition()
324 ptbl = rcu_dereference_protected(disk->part_tbl, 1); in add_partition()
343 queue_limit_alignment_offset(&disk->queue->limits, start); in add_partition()
345 queue_limit_discard_alignment(&disk->queue->limits, start); in add_partition()
348 p->policy = get_disk_ro(disk); in add_partition()
351 struct partition_meta_info *pinfo = alloc_part_info(disk); in add_partition()
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| D | blk-integrity.c | 226 struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj); in integrity_attr_show() local
227 struct blk_integrity *bi = &disk->queue->integrity; in integrity_attr_show()
238 struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj); in integrity_attr_store() local
239 struct blk_integrity *bi = &disk->queue->integrity; in integrity_attr_store()
399 void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template) in blk_integrity_register() argument
401 struct blk_integrity *bi = &disk->queue->integrity; in blk_integrity_register()
406 ilog2(queue_logical_block_size(disk->queue)); in blk_integrity_register()
411 disk->queue->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; in blk_integrity_register()
422 void blk_integrity_unregister(struct gendisk *disk) in blk_integrity_unregister() argument
424 disk->queue->backing_dev_info->capabilities &= ~BDI_CAP_STABLE_WRITES; in blk_integrity_unregister()
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| /Linux-v5.4/include/linux/ |
| D | genhd.h | 26 #define disk_to_dev(disk) (&(disk)->part0.__dev) argument
235 static inline int disk_max_parts(struct gendisk *disk) in disk_max_parts() argument
237 if (disk->flags & GENHD_FL_EXT_DEVT) in disk_max_parts()
239 return disk->minors; in disk_max_parts()
242 static inline bool disk_part_scan_enabled(struct gendisk *disk) in disk_part_scan_enabled() argument
244 return disk_max_parts(disk) > 1 && in disk_part_scan_enabled()
245 !(disk->flags & GENHD_FL_NO_PART_SCAN); in disk_part_scan_enabled()
248 static inline dev_t disk_devt(struct gendisk *disk) in disk_devt() argument
250 return MKDEV(disk->major, disk->first_minor); in disk_devt()
258 extern struct hd_struct *__disk_get_part(struct gendisk *disk, int partno);
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| /Linux-v5.4/Documentation/admin-guide/ |
| D | devices.txt | 20 1 block RAM disk
21 0 = /dev/ram0 First RAM disk
22 1 = /dev/ram1 Second RAM disk
24 250 = /dev/initrd Initial RAM disk
27 /dev/initrd refers to a RAM disk which was preloaded
115 3 block First MFM, RLL and IDE hard disk/CD-ROM interface
116 0 = /dev/hda Master: whole disk (or CD-ROM)
117 64 = /dev/hdb Slave: whole disk (or CD-ROM)
119 For partitions, add to the whole disk device number:
120 0 = /dev/hd? Whole disk
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-fs-f2fs | 1 What: /sys/fs/f2fs/<disk>/gc_max_sleep_time
8 What: /sys/fs/f2fs/<disk>/gc_min_sleep_time
15 What: /sys/fs/f2fs/<disk>/gc_no_gc_sleep_time
22 What: /sys/fs/f2fs/<disk>/gc_idle
28 What: /sys/fs/f2fs/<disk>/reclaim_segments
34 What: /sys/fs/f2fs/<disk>/ipu_policy
40 What: /sys/fs/f2fs/<disk>/min_ipu_util
47 What: /sys/fs/f2fs/<disk>/min_fsync_blocks
54 What: /sys/fs/f2fs/<disk>/min_seq_blocks
62 What: /sys/fs/f2fs/<disk>/min_hot_blocks
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| D | sysfs-block | 1 What: /sys/block/<disk>/stat
5 The /sys/block/<disk>/stat files displays the I/O
6 statistics of disk <disk>. They contain 11 fields:
21 What: /sys/block/<disk>/<part>/stat
25 The /sys/block/<disk>/<part>/stat files display the
27 same as the above-written /sys/block/<disk>/stat
31 What: /sys/block/<disk>/integrity/format
39 What: /sys/block/<disk>/integrity/read_verify
48 What: /sys/block/<disk>/integrity/tag_size
56 What: /sys/block/<disk>/integrity/device_is_integrity_capable
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| D | sysfs-block-bcache | 1 What: /sys/block/<disk>/bcache/unregister
11 What: /sys/block/<disk>/bcache/clear_stats
17 What: /sys/block/<disk>/bcache/cache
24 What: /sys/block/<disk>/bcache/cache_hits
31 What: /sys/block/<disk>/bcache/cache_misses
37 What: /sys/block/<disk>/bcache/cache_hit_ratio
43 What: /sys/block/<disk>/bcache/sequential_cutoff
51 What: /sys/block/<disk>/bcache/bypassed
59 What: /sys/block/<disk>/bcache/writeback
68 What: /sys/block/<disk>/bcache/writeback_running
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| /Linux-v5.4/drivers/md/bcache/ |
| D | writeback.c | 32 struct cache_set *c = dc->disk.c; in __calc_target_rate()
84 int64_t dirty = bcache_dev_sectors_dirty(&dc->disk); in __update_writeback_rate()
174 struct cache_set *c = dc->disk.c; in update_writeback_rate()
180 set_bit(BCACHE_DEV_RATE_DW_RUNNING, &dc->disk.flags); in update_writeback_rate()
188 if (!test_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags) || in update_writeback_rate()
190 clear_bit(BCACHE_DEV_RATE_DW_RUNNING, &dc->disk.flags); in update_writeback_rate()
216 if (test_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags) && in update_writeback_rate()
226 clear_bit(BCACHE_DEV_RATE_DW_RUNNING, &dc->disk.flags); in update_writeback_rate()
234 if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) || in writeback_delay()
291 atomic_inc(&PTR_BUCKET(dc->disk.c, &w->key, i)->pin); in write_dirty_finish()
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| /Linux-v5.4/Documentation/admin-guide/blockdev/ |
| D | ramdisk.rst | 2 Using the RAM disk block device with Linux
16 The RAM disk driver is a way to use main system memory as a block device. It
22 The RAM disk dynamically grows as more space is required. It does this by using
26 The RAM disk supports up to 16 RAM disks by default, and can be reconfigured
31 To use RAM disk support with your system, run './MAKEDEV ram' from the /dev
35 The new RAM disk also has the ability to load compressed RAM disk images,
37 rescue floppy disk.
48 This parameter tells the RAM disk driver to set up RAM disks of N k size. The
67 to 2 MB (2^11) of where to find the RAM disk (this used to be the size). Bit
68 14 indicates that a RAM disk is to be loaded, and bit 15 indicates whether a
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| /Linux-v5.4/drivers/scsi/ |
| D | sr.c | 140 static inline struct scsi_cd *scsi_cd(struct gendisk *disk) in scsi_cd() argument
142 return container_of(disk->private_data, struct scsi_cd, driver); in scsi_cd()
162 static inline struct scsi_cd *scsi_cd_get(struct gendisk *disk) in scsi_cd_get() argument
167 if (disk->private_data == NULL) in scsi_cd_get()
169 cd = scsi_cd(disk); in scsi_cd_get()
371 if (error_sector < get_capacity(cd->disk) && in sr_done()
373 set_capacity(cd->disk, error_sector); in sr_done()
550 static void sr_block_release(struct gendisk *disk, fmode_t mode) in sr_block_release() argument
552 struct scsi_cd *cd = scsi_cd(disk); in sr_block_release()
601 static unsigned int sr_block_check_events(struct gendisk *disk, in sr_block_check_events() argument
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| /Linux-v5.4/arch/m68k/emu/ |
| D | nfblock.c | 59 struct gendisk *disk; member
129 dev->disk = alloc_disk(16); in nfhd_init_one()
130 if (!dev->disk) in nfhd_init_one()
133 dev->disk->major = major_num; in nfhd_init_one()
134 dev->disk->first_minor = dev_id * 16; in nfhd_init_one()
135 dev->disk->fops = &nfhd_ops; in nfhd_init_one()
136 dev->disk->private_data = dev; in nfhd_init_one()
137 sprintf(dev->disk->disk_name, "nfhd%u", dev_id); in nfhd_init_one()
138 set_capacity(dev->disk, (sector_t)blocks * (bsize / 512)); in nfhd_init_one()
139 dev->disk->queue = dev->queue; in nfhd_init_one()
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| /Linux-v5.4/drivers/md/ |
| D | dm-era-target.c | 195 struct superblock_disk *disk = dm_block_data(b); in sb_prepare_for_write() local
197 disk->blocknr = cpu_to_le64(dm_block_location(b)); in sb_prepare_for_write()
198 disk->csum = cpu_to_le32(dm_bm_checksum(&disk->flags, in sb_prepare_for_write()
203 static int check_metadata_version(struct superblock_disk *disk) in check_metadata_version() argument
205 uint32_t metadata_version = le32_to_cpu(disk->version); in check_metadata_version()
219 struct superblock_disk *disk = dm_block_data(b); in sb_check() local
222 if (dm_block_location(b) != le64_to_cpu(disk->blocknr)) { in sb_check()
224 le64_to_cpu(disk->blocknr), in sb_check()
229 if (le64_to_cpu(disk->magic) != SUPERBLOCK_MAGIC) { in sb_check()
231 le64_to_cpu(disk->magic), in sb_check()
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| /Linux-v5.4/drivers/ide/ |
| D | ide-gd.c | 34 static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) in ide_disk_get() argument
39 idkp = ide_drv_g(disk, ide_disk_obj); in ide_disk_get()
70 struct gendisk *g = idkp->disk; in ide_gd_remove()
86 struct gendisk *g = idkp->disk; in ide_disk_release()
186 struct gendisk *disk = bdev->bd_disk; local
191 idkp = ide_disk_get(disk);
205 ret = drive->disk_ops->init_media(drive, disk);
227 drive->disk_ops->set_doorlock(drive, disk, 1);
254 static void ide_gd_release(struct gendisk *disk, fmode_t mode) argument
256 struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
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| /Linux-v5.4/fs/ |
| D | block_dev.c | 1100 struct gendisk *disk = get_gendisk(bdev->bd_dev, partno); in bdev_get_gendisk() local
1102 if (!disk) in bdev_get_gendisk()
1113 put_disk_and_module(disk); in bdev_get_gendisk()
1116 return disk; in bdev_get_gendisk()
1144 struct gendisk *disk; in bd_start_claiming() local
1154 disk = bdev_get_gendisk(bdev, &partno); in bd_start_claiming()
1155 if (!disk) in bd_start_claiming()
1167 whole = bdget_disk(disk, 0); in bd_start_claiming()
1171 put_disk_and_module(disk); in bd_start_claiming()
1249 struct gendisk *disk; member
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| /Linux-v5.4/drivers/nvdimm/ |
| D | blk.c | 235 static void nd_blk_release_disk(void *disk) in nd_blk_release_disk() argument
237 del_gendisk(disk); in nd_blk_release_disk()
238 put_disk(disk); in nd_blk_release_disk()
246 struct gendisk *disk; in nsblk_attach_disk() local
264 disk = alloc_disk(0); in nsblk_attach_disk()
265 if (!disk) in nsblk_attach_disk()
268 disk->first_minor = 0; in nsblk_attach_disk()
269 disk->fops = &nd_blk_fops; in nsblk_attach_disk()
270 disk->queue = q; in nsblk_attach_disk()
271 disk->flags = GENHD_FL_EXT_DEVT; in nsblk_attach_disk()
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| /Linux-v5.4/drivers/block/ |
| D | nbd.c | 114 struct gendisk *disk; member
142 #define nbd_name(nbd) ((nbd)->disk->disk_name)
162 return disk_to_dev(nbd->disk); in nbd_to_dev()
209 struct gendisk *disk = dev_to_disk(dev); in pid_show() local
210 struct nbd_device *nbd = (struct nbd_device *)disk->private_data; in pid_show()
222 struct gendisk *disk = nbd->disk; in nbd_dev_remove() local
225 if (disk) { in nbd_dev_remove()
226 q = disk->queue; in nbd_dev_remove()
227 del_gendisk(disk); in nbd_dev_remove()
230 disk->private_data = NULL; in nbd_dev_remove()
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| D | virtio_blk.c | 39 struct gendisk *disk; member
130 struct gendisk *disk = bdev->bd_disk; in virtblk_ioctl() local
131 struct virtio_blk *vblk = disk->private_data; in virtblk_ioctl()
253 blk_mq_start_stopped_hw_queues(vblk->disk->queue, true); in virtblk_done()
362 static int virtblk_get_id(struct gendisk *disk, char *id_str) in virtblk_get_id() argument
364 struct virtio_blk *vblk = disk->private_data; in virtblk_get_id()
365 struct request_queue *q = vblk->disk->queue; in virtblk_get_id()
377 blk_execute_rq(vblk->disk->queue, vblk->disk, req, false); in virtblk_get_id()
425 struct gendisk *disk = dev_to_disk(dev); in serial_show() local
432 err = virtblk_get_id(disk, buf); in serial_show()
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| D | swim.c | 188 struct gendisk *disk; member
635 set_capacity(fs->disk, fs->total_secs); in floppy_open()
670 static void floppy_release(struct gendisk *disk, fmode_t mode) in floppy_release() argument
672 struct floppy_state *fs = disk->private_data; in floppy_release()
730 static unsigned int floppy_check_events(struct gendisk *disk, in floppy_check_events() argument
733 struct floppy_state *fs = disk->private_data; in floppy_check_events()
738 static int floppy_revalidate(struct gendisk *disk) in floppy_revalidate() argument
740 struct floppy_state *fs = disk->private_data; in floppy_revalidate()
775 return get_disk_and_module(swd->unit[drive].disk); in floppy_find()
835 swd->unit[drive].disk = alloc_disk(1); in swim_floppy_init()
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| /Linux-v5.4/drivers/block/drbd/ |
| D | drbd_state.c | 127 device_state_change->disk_state[OLD] = device->state.disk; in remember_old_state()
178 device_state_change->disk_state[NEW] = device->state.disk; in remember_new_state()
303 if (device->state.disk != D_DISKLESS || in conn_all_vols_unconf()
376 disk_state = max_t(enum drbd_disk_state, disk_state, device->state.disk); in conn_highest_disk()
392 disk_state = min_t(enum drbd_disk_state, disk_state, device->state.disk); in conn_lowest_disk()
474 (os.disk != D_FAILED && ns.disk == D_FAILED))) || in cl_wide_st_chg()
675 return drbd_req_state(device, NS(disk, D_FAILED), in request_detach()
689 device->state.disk != D_FAILED); in drbd_request_detach_interruptible()
722 drbd_disk_str(ns.disk), in print_st()
762 if (ns.disk != os.disk && flags & CS_DC_DISK) in print_state_change()
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| /Linux-v5.4/drivers/nvme/host/ |
| D | multipath.c | 21 if (h->disk) in nvme_mpath_unfreeze()
22 blk_mq_unfreeze_queue(h->disk->queue); in nvme_mpath_unfreeze()
31 if (h->disk) in nvme_mpath_wait_freeze()
32 blk_mq_freeze_queue_wait(h->disk->queue); in nvme_mpath_wait_freeze()
41 if (h->disk) in nvme_mpath_start_freeze()
42 blk_freeze_queue_start(h->disk->queue); in nvme_mpath_start_freeze()
57 } else if (ns->head->disk) { in nvme_set_disk_name()
122 if (ns->head->disk) in nvme_kick_requeue_lists()
299 struct device *dev = disk_to_dev(head->disk); in nvme_ns_head_make_request()
315 bio->bi_disk = ns->disk; in nvme_ns_head_make_request()
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| D | trace.h | 38 static inline void __assign_disk_name(char *name, struct gendisk *disk) in __assign_disk_name() argument
40 if (disk) in __assign_disk_name()
41 memcpy(name, disk->disk_name, DISK_NAME_LEN); in __assign_disk_name()
51 __array(char, disk, DISK_NAME_LEN)
71 __assign_disk_name(__entry->disk, req->rq_disk);
76 __entry->ctrl_id, __print_disk_name(__entry->disk),
89 __array(char, disk, DISK_NAME_LEN)
106 __assign_disk_name(__entry->disk, req->rq_disk);
109 __entry->ctrl_id, __print_disk_name(__entry->disk),
149 __array(char, disk, DISK_NAME_LEN)
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