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/openbmc/linux/drivers/md/
H A Ddm-era-target.c206 disk->csum = cpu_to_le32(dm_bm_checksum(&disk->flags, in sb_prepare_for_write()
248 if (csum_le != disk->csum) { in sb_check()
511 memset(disk->uuid, 0, sizeof(disk->uuid)); in prepare_superblock()
514 copy_sm_root(md, disk); in prepare_superblock()
531 struct superblock_disk *disk; in write_superblock() local
543 disk = dm_block_data(sblock); in write_superblock()
544 prepare_superblock(md, disk); in write_superblock()
574 struct superblock_disk *disk; in open_metadata() local
582 disk = dm_block_data(sblock); in open_metadata()
752 struct writeset_disk disk; in metadata_digest_lookup_writeset() local
[all …]
/openbmc/qemu/tests/qemu-iotests/
H A D19627 disk = os.path.join(iotests.test_dir, 'disk') variable
35 os.remove(disk)
39 qemu_img('create', '-f', iotests.imgfmt, disk, '1M')
41 self.vm_a = iotests.VM(path_suffix='a').add_drive(disk)
44 self.vm_b = iotests.VM(path_suffix='b').add_drive(disk)
51 with open(disk, 'r+b') as f:
61 with open(disk, 'rb') as f:
H A D243.out32 qcow2 disk usage: low
33 data disk usage: low
40 qcow2 disk usage: low
41 data disk usage: low
48 qcow2 disk usage: low
49 data disk usage: high
56 qcow2 disk usage: low
57 data disk usage: high
H A D051181 run_qemu -drive if=none,id=disk -device ide-cd,drive=disk
182 run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-cd,drive=disk
183 run_qemu -drive if=none,id=disk -device ide-hd,drive=disk
184 run_qemu -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk
199 run_qemu $iothread -device ide-hd,drive=disk,share-rw=on
200 run_qemu $iothread -device virtio-blk-pci,drive=disk,share-rw=on
207 run_qemu $iothread -device virtio-blk-pci,drive=disk,iothread=thread0,share-rw=on
232 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-cd,drive=disk
233 …run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device lsi53c895a -device scsi-cd,dr…
234 run_qemu -drive file="$TEST_IMG",if=none,id=disk,readonly=on -device ide-hd,drive=disk
[all …]
H A D30331 disk = file_path('disk') variable
39 disk, bitmap_name]
48 qemu_io_log('-c', write, disk)
62 disk, '10M')
66 cmd = ['./qcow2.py', disk, 'dump-header']
H A D20928 disk = file_path('disk') variable
32 qemu_img_create('-f', iotests.imgfmt, disk, '1M')
33 qemu_io('-f', iotests.imgfmt, '-c', 'write 0 512K', disk)
35 qemu_nbd('-k', nbd_sock, '-x', 'exp', '-f', iotests.imgfmt, disk)
/openbmc/linux/drivers/block/
H A Dnbd.c123 struct gendisk *disk; member
251 struct gendisk *disk = nbd->disk; in nbd_dev_remove() local
253 del_gendisk(disk); in nbd_dev_remove()
264 put_disk(disk); in nbd_dev_remove()
1794 struct gendisk *disk; in nbd_dev_add() local
1834 if (IS_ERR(disk)) { in nbd_dev_add()
1835 err = PTR_ERR(disk); in nbd_dev_add()
1838 nbd->disk = disk; in nbd_dev_add()
1871 disk->fops = &nbd_fops; in nbd_dev_add()
1874 err = add_disk(disk); in nbd_dev_add()
[all …]
H A Dataflop.c1764 floppy_revalidate(disk); in fd_locked_ioctl()
1941 floppy_revalidate(disk); in floppy_open()
1993 struct gendisk *disk; in ataflop_alloc_disk() local
1996 if (IS_ERR(disk)) in ataflop_alloc_disk()
1997 return PTR_ERR(disk); in ataflop_alloc_disk()
2001 disk->minors = 1; in ataflop_alloc_disk()
2003 disk->fops = &floppy_fops; in ataflop_alloc_disk()
2009 unit[drive].disk[type] = disk; in ataflop_alloc_disk()
2044 if (!unit[i].disk[type]) in atari_floppy_cleanup()
2061 if (!fs->disk[type]) in atari_cleanup_floppy_disk()
[all …]
H A Dbrd.c318 struct gendisk *disk; in brd_alloc() local
339 if (!disk) in brd_alloc()
342 disk->major = RAMDISK_MAJOR; in brd_alloc()
343 disk->first_minor = i * max_part; in brd_alloc()
344 disk->minors = max_part; in brd_alloc()
345 disk->fops = &brd_fops; in brd_alloc()
346 disk->private_data = brd; in brd_alloc()
347 strscpy(disk->disk_name, buf, DISK_NAME_LEN); in brd_alloc()
348 set_capacity(disk, rd_size * 2); in brd_alloc()
363 err = add_disk(disk); in brd_alloc()
[all …]
H A Dvirtio_blk.c69 struct gendisk *disk; member
962 err = virtblk_get_id(disk, buf); in serial_show()
995 vblk->disk->disk_name, in virtblk_update_capacity()
1387 if (IS_ERR(vblk->disk)) { in virtblk_probe()
1388 err = PTR_ERR(vblk->disk); in virtblk_probe()
1391 q = vblk->disk->queue; in virtblk_probe()
1395 vblk->disk->major = major; in virtblk_probe()
1407 set_disk_ro(vblk->disk, 1); in virtblk_probe()
1587 put_disk(vblk->disk); in virtblk_probe()
1608 del_gendisk(vblk->disk); in virtblk_remove()
[all …]
H A Dswim.c190 struct gendisk *disk; member
635 set_capacity(fs->disk, fs->total_secs); in floppy_open()
665 ret = floppy_open(disk, mode); in floppy_unlocked_open()
776 struct gendisk *disk = fs->disk; in swim_cleanup_floppy_disk() local
778 if (!disk) in swim_cleanup_floppy_disk()
782 del_gendisk(fs->disk); in swim_cleanup_floppy_disk()
784 put_disk(disk); in swim_cleanup_floppy_disk()
822 swd->unit[drive].disk = in swim_floppy_init()
825 if (IS_ERR(swd->unit[drive].disk)) { in swim_floppy_init()
827 err = PTR_ERR(swd->unit[drive].disk); in swim_floppy_init()
[all …]
/openbmc/linux/Documentation/admin-guide/blockdev/
H A Dramdisk.rst2 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
35 The new RAM disk also has the ability to load compressed RAM disk images,
37 rescue floppy disk.
87 To create a RAM disk image, you will need a spare block device to
88 construct it on. This can be the RAM disk device itself, or an
89 unused disk partition (such as an unmounted swap partition). For this
90 example, we will use the RAM disk device, "/dev/ram0".
111 d) Compress the contents of the RAM disk. The level of compression
113 space on the RAM disk will compress to almost nothing::
[all …]
/openbmc/qemu/hw/block/
H A Dxen-block.c87 int i, disk = 0; in xen_block_find_free_vdev() local
126 disk = vdev_to_diskno(vdev_nr); in xen_block_find_free_vdev()
127 if (disk < 0 || disk >= MAX_AUTO_VDEV) { in xen_block_find_free_vdev()
131 set_bit(disk, used_devs); in xen_block_find_free_vdev()
136 if (disk == MAX_AUTO_VDEV) { in xen_block_find_free_vdev()
143 vdev->disk = disk; in xen_block_find_free_vdev()
144 if (disk < (1 << 4)) { in xen_block_find_free_vdev()
476 char *name, *prefix = (disk >= 26) ? in disk_to_vbd_name()
540 *disk = n - 1; in vbd_name_to_disk()
620 if ((vdev->disk == 0 || vdev->disk == 1) && in xen_block_set_vdev()
[all …]
/openbmc/linux/block/
H A Dblk-throttle.h171 static inline int blk_throtl_init(struct gendisk *disk) { return 0; } in blk_throtl_init() argument
172 static inline void blk_throtl_exit(struct gendisk *disk) { } in blk_throtl_exit() argument
173 static inline void blk_throtl_register(struct gendisk *disk) { } in blk_throtl_register() argument
175 static inline void blk_throtl_cancel_bios(struct gendisk *disk) { } in blk_throtl_cancel_bios() argument
177 int blk_throtl_init(struct gendisk *disk);
178 void blk_throtl_exit(struct gendisk *disk);
179 void blk_throtl_register(struct gendisk *disk);
181 void blk_throtl_cancel_bios(struct gendisk *disk);
H A Dblk-wbt.h7 int wbt_init(struct gendisk *disk);
8 void wbt_disable_default(struct gendisk *disk);
9 void wbt_enable_default(struct gendisk *disk);
21 static inline void wbt_disable_default(struct gendisk *disk) in wbt_disable_default() argument
24 static inline void wbt_enable_default(struct gendisk *disk) in wbt_enable_default() argument
H A Dbdev.c404 bdev->bd_queue = disk->queue; in bdev_alloc()
414 bdev->bd_disk = disk; in bdev_alloc()
641 if (disk->fops->open) { in blkdev_get_whole()
642 ret = disk->fops->open(disk, mode); in blkdev_get_whole()
682 disk->open_partitions++; in blkdev_get_part()
759 struct gendisk *disk; in blkdev_get_by_dev() local
772 disk = bdev->bd_disk; in blkdev_get_by_dev()
786 disk_block_events(disk); in blkdev_get_by_dev()
790 if (!disk_live(disk)) in blkdev_get_by_dev()
819 disk_unblock_events(disk); in blkdev_get_by_dev()
[all …]
H A Dblk-ioprio.h12 int blk_ioprio_init(struct gendisk *disk);
13 void blk_ioprio_exit(struct gendisk *disk);
16 static inline int blk_ioprio_init(struct gendisk *disk) in blk_ioprio_init() argument
20 static inline void blk_ioprio_exit(struct gendisk *disk) in blk_ioprio_exit() argument
H A Dblk.h398 void disk_free_zone_bitmaps(struct gendisk *disk);
399 void disk_clear_zone_settings(struct gendisk *disk);
429 int bdev_del_partition(struct gendisk *disk, int partno);
455 int disk_scan_partitions(struct gendisk *disk, blk_mode_t mode);
457 int disk_alloc_events(struct gendisk *disk);
458 void disk_add_events(struct gendisk *disk);
459 void disk_del_events(struct gendisk *disk);
460 void disk_release_events(struct gendisk *disk);
461 void disk_block_events(struct gendisk *disk);
462 void disk_unblock_events(struct gendisk *disk);
[all …]
/openbmc/linux/Documentation/ABI/stable/
H A Dsysfs-block1 What: /sys/block/<disk>/alignment_offset
25 What: /sys/block/<disk>/diskseq
29 The /sys/block/<disk>/diskseq files reports the disk
37 What: /sys/block/<disk>/inflight
104 What: /sys/block/<disk>/partscan
217 What: /sys/block/<disk>/queue/dax
282 What: /sys/block/<disk>/queue/fua
372 accounting of the disk.
711 What: /sys/block/<disk>/hidden
720 What: /sys/block/<disk>/stat
[all …]
/openbmc/linux/drivers/block/drbd/
H A Ddrbd_state.c474 (os.disk != D_FAILED && ns.disk == D_FAILED))) || in cl_wide_st_chg()
762 if (ns.disk != os.disk && flags & CS_DC_DISK) in print_state_change()
929 if (ns.disk == D_OUTDATED && os.disk < D_OUTDATED && os.disk != D_ATTACHING) in is_valid_soft_transition()
1021 if (ns.disk == D_FAILED && os.disk == D_DISKLESS) in is_valid_transition()
1094 ns.disk = device->new_state_tmp.disk; in sanitize_state()
1899 if (os.disk != D_FAILED && ns.disk == D_FAILED) { in after_state_ch()
2142 if (cs.disk != os.disk) in conn_old_common_state()
2171 ns.disk = os.disk; in conn_is_valid_transition()
2233 ns.disk = os.disk; in conn_set_state()
2241 ns_max.disk = max_t(enum drbd_disk_state, ns.disk, ns_max.disk); in conn_set_state()
[all …]
/openbmc/linux/drivers/md/bcache/
H A Dsuper.c871 struct gendisk *disk = d->disk; in bcache_device_free() local
875 if (disk) in bcache_device_free()
883 if (disk) { in bcache_device_free()
1082 bd_link_disk_holder(dc->bdev, dc->disk.disk); in bch_cached_dev_run()
1293 dc->disk.disk->disk_name); in bch_cached_dev_attach()
1325 set_disk_ro(dc->disk.disk, 1); in bch_cached_dev_attach()
1333 dc->disk.disk->disk_name, in bch_cached_dev_attach()
1362 bd_unlink_disk_holder(dc->bdev, dc->disk.disk); in cached_dev_free()
1363 del_gendisk(dc->disk.disk); in cached_dev_free()
1432 blk_queue_io_opt(dc->disk.disk->queue, in cached_dev_init()
[all …]
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-block-bcache1 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
51 What: /sys/block/<disk>/bcache/bypassed
59 What: /sys/block/<disk>/bcache/writeback
109 What: /sys/block/<disk>/bcache/discard
124 What: /sys/block/<disk>/bcache/nbuckets
130 What: /sys/block/<disk>/bcache/tree_depth
[all …]
H A Dsysfs-fs-ext41 What: /sys/fs/ext4/<disk>/mb_stats
10 What: /sys/fs/ext4/<disk>/mb_group_prealloc
18 What: /sys/fs/ext4/<disk>/mb_max_to_scan
25 What: /sys/fs/ext4/<disk>/mb_min_to_scan
32 What: /sys/fs/ext4/<disk>/mb_order2_req
40 What: /sys/fs/ext4/<disk>/mb_stream_req
51 What: /sys/fs/ext4/<disk>/inode_readahead_blks
67 What: /sys/fs/ext4/<disk>/lifetime_write_kbytes
75 What: /sys/fs/ext4/<disk>/session_write_kbytes
83 What: /sys/fs/ext4/<disk>/inode_goal
[all …]
/openbmc/linux/block/partitions/
H A Damiga.c56 state->disk->disk_name, blk); in amiga_partition()
78 state->disk->disk_name, blk); in amiga_partition()
97 state->disk->disk_name, blk, part); in amiga_partition()
103 state->disk->disk_name, blk); in amiga_partition()
127 state->disk->disk_name, cylblk); in amiga_partition()
134 state->disk->disk_name, cylblk, in amiga_partition()
144 state->disk->disk_name, part); in amiga_partition()
165 state->disk->disk_name, part, in amiga_partition()
171 state->disk->disk_name, part, in amiga_partition()
/openbmc/linux/Documentation/admin-guide/aoe/
H A Dudev.txt19 SUBSYSTEM=="aoe", KERNEL=="discover", NAME="etherd/%k", GROUP="disk", MODE="0220"
20 SUBSYSTEM=="aoe", KERNEL=="err", NAME="etherd/%k", GROUP="disk", MODE="0440"
21 SUBSYSTEM=="aoe", KERNEL=="interfaces", NAME="etherd/%k", GROUP="disk", MODE="0220"
22 SUBSYSTEM=="aoe", KERNEL=="revalidate", NAME="etherd/%k", GROUP="disk", MODE="0220"
23 SUBSYSTEM=="aoe", KERNEL=="flush", NAME="etherd/%k", GROUP="disk", MODE="0220"
26 KERNEL=="etherd*", GROUP="disk"

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