website-function

Function: `blk_queue_max_hw_sectors`

Status

Regular

In 4.4: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff813be460)
Location: block/blk-settings.c:237
Inline: False
Direct callers:
  - drivers/block/brd.c:brd_alloc
  - drivers/block/virtio_blk.c:virtblk_probe
  - drivers/block/xen-blkfront.c:xlvbd_alloc_gendisk
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff813be460-ffffffff813be4db: blk_queue_max_hw_sectors (STB_GLOBAL)

In 4.8: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff814023e0)
Location: block/blk-settings.c:237
Inline: False
Direct callers:
  - drivers/block/brd.c:brd_alloc
  - drivers/block/virtio_blk.c:virtblk_probe
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814023e0-ffffffff8140245b: blk_queue_max_hw_sectors (STB_GLOBAL)

In 4.10: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff8141c050)
Location: block/blk-settings.c:241
Inline: False
Direct callers:
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff8141c050-ffffffff8141c0d5: blk_queue_max_hw_sectors (STB_GLOBAL)

In 4.13: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff81429fe0)
Location: block/blk-settings.c:236
Inline: False
Direct callers:
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81429fe0-ffffffff8142a069: blk_queue_max_hw_sectors (STB_GLOBAL)

In 4.15: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff81455220)
Location: block/blk-settings.c:237
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81455220-ffffffff814552a9: blk_queue_max_hw_sectors (STB_GLOBAL)

In 4.18: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:237
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81488d99-ffffffff81488dcb: blk_queue_max_hw_sectors.cold.7 (STB_LOCAL)
ffffffff81488610-ffffffff8148866e: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.0: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:181
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/scsi/scsi_scan.c:scsi_probe_and_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814a2c99-ffffffff814a2ccb: blk_queue_max_hw_sectors.cold.6 (STB_LOCAL)
ffffffff814a2530-ffffffff814a258b: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.3: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:182
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814d0d4b-ffffffff814d0d7d: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814d0600-ffffffff814d065b: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.4: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814ea10b-ffffffff814ea13d: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814e9980-ffffffff814e99db: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.8: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:149
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff815490ad-ffffffff815490df: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff815487d0-ffffffff8154882e: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.11: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:149
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81bf26ef-ffffffff81bf2711: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff815645a0-ffffffff8156460d: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.13: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:122
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81be46b6-ffffffff81be46d8: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff8156cc70-ffffffff8156ccd9: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.15: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:123
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81cd8159-ffffffff81cd817b: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff815d11b0-ffffffff815d1225: blk_queue_max_hw_sectors (STB_GLOBAL)

In 5.19: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:122
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81e8b51f-ffffffff81e8b541: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff8167cb80-ffffffff8167cc06: blk_queue_max_hw_sectors (STB_GLOBAL)

In 6.2: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff817394e0)
Location: block/blk-settings.c:122
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff817394e0-ffffffff81739584: blk_queue_max_hw_sectors (STB_GLOBAL)

In 6.5: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff81775ba0)
Location: block/blk-settings.c:123
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/virtio_blk.c:virtblk_probe
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff81775ba0-ffffffff81775c56: blk_queue_max_hw_sectors (STB_GLOBAL)

In 6.8: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffff817b7e70)
Location: block/blk-settings.c:123
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/block/virtio_blk.c:virtblk_probe
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff817b7e70-ffffffff817b7f23: blk_queue_max_hw_sectors (STB_GLOBAL)

Arch

In arm64: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffff8000105e7b68)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config
  - drivers/mmc/core/queue.c:mmc_init_queue

Symbols:

ffff8000105e7b68-ffff8000105e7c10: blk_queue_max_hw_sectors (STB_GLOBAL)

In armhf: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (c079452c)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config
  - drivers/mmc/core/queue.c:mmc_init_queue

Symbols:

c079452c-c07945bc: blk_queue_max_hw_sectors (STB_GLOBAL)

In ppc64el: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (c00000000077c350)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

c00000000077c350-c00000000077c42c: blk_queue_max_hw_sectors (STB_GLOBAL)

In riscv64: ✅

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In block/blk-settings.c (ffffffe00042886e)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config
  - drivers/mmc/core/queue.c:mmc_init_queue

Symbols:

ffffffe00042886e-ffffffe000428904: blk_queue_max_hw_sectors (STB_GLOBAL)

Flavor

In aws: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/nvme/host/core.c:nvme_set_queue_limits
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814e26eb-ffffffff814e271d: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814e1f60-ffffffff814e1fbb: blk_queue_max_hw_sectors (STB_GLOBAL)

In azure: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/block/loop.c:loop_add
  - drivers/nvdimm/pmem.c:pmem_attach_disk
  - drivers/nvdimm/blk.c:nd_blk_probe
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/nvme/host/core.c:nvme_set_queue_limits
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814d307b-ffffffff814d30ad: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814d28f0-ffffffff814d294b: blk_queue_max_hw_sectors (STB_GLOBAL)

In gcp: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814de77b-ffffffff814de7ad: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814ddff0-ffffffff814de04b: blk_queue_max_hw_sectors (STB_GLOBAL)

In lowlatency: Transformation ⚠️

void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors);

Collision: Unique Global

Inline: No

Transformation: True

Instances:

In block/blk-settings.c (0)
Location: block/blk-settings.c:183
Inline: False
Direct callers:
  - drivers/lightnvm/core.c:nvm_create_tgt
  - drivers/block/loop.c:loop_add
  - drivers/block/xen-blkfront.c:blkif_set_queue_limits
  - drivers/scsi/scsi_lib.c:__scsi_init_queue
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/scsi/scsi_scan.c:scsi_add_lun
  - drivers/ata/libata-scsi.c:ata_scsi_dev_config

Symbols:

ffffffff814f75db-ffffffff814f760d: blk_queue_max_hw_sectors.cold (STB_LOCAL)
ffffffff814f6e50-ffffffff814f6eab: blk_queue_max_hw_sectors (STB_GLOBAL)

Differences

Regular

No changes between 4.4 and 4.8 ✅
No changes between 4.8 and 4.10 ✅
No changes between 4.10 and 4.13 ✅
No changes between 4.13 and 4.15 ✅
No changes between 4.15 and 4.18 ✅
No changes between 4.18 and 5.0 ✅
No changes between 5.0 and 5.3 ✅
No changes between 5.3 and 5.4 ✅
No changes between 5.4 and 5.8 ✅
No changes between 5.8 and 5.11 ✅
No changes between 5.11 and 5.13 ✅
No changes between 5.13 and 5.15 ✅
No changes between 5.15 and 5.19 ✅
No changes between 5.19 and 6.2 ✅
No changes between 6.2 and 6.5 ✅
No changes between 6.5 and 6.8 ✅

Arch

No changes between amd64 and arm64 ✅
No changes between amd64 and armhf ✅
No changes between amd64 and ppc64el ✅
No changes between amd64 and riscv64 ✅

Flavor

No changes between generic and aws ✅
No changes between generic and azure ✅
No changes between generic and gcp ✅
No changes between generic and lowlatency ✅

website-function

Function: blk_queue_max_hw_sectors

Status

Differences

Function: `blk_queue_max_hw_sectors`