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Searched refs:zoned (Results 1 – 24 of 24) sorted by relevance

/linux/Documentation/admin-guide/device-mapper/
H A Ddm-zoned.rst2 dm-zoned
5 The dm-zoned device mapper target exposes a zoned block device (ZBC and
7 pattern constraints. In effect, it implements a drive-managed zoned
10 host-managed zoned block devices and can mitigate the potential
12 host-aware zoned block devices.
14 For a more detailed description of the zoned block device models and
23 The dm-zoned implementation is simple and minimizes system overhead (CPU
25 host-managed disk with 256 MB zones, dm-zoned memory usage per disk
29 dm-zoned target devices are formatted and checked using the dmzadm
32 https://github.com/hgst/dm-zoned-tools
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H A Dindex.rst25 dm-zoned
H A Ddm-crypt.rst134 This option is automatically enabled for host-managed zoned block devices
H A Dvdo-design.rst44 "zones" such that any given bio must only access a single zone of any zoned
/linux/Documentation/block/
H A Dnull_blk.rst137 zoned=[0/1]: Default: 0
138 Device is a random-access or a zoned block device.
142 1 Block device is exposed as a host-managed zoned block device. Requires
147 Per zone size when exposed as a zoned block device. Must be a power of two.
150 The number of conventional zones to create when block device is zoned. If
/linux/Documentation/filesystems/
H A Dzonefs.rst10 zonefs is a very simple file system exposing each zone of a zoned block device
11 as a file. Unlike a regular POSIX-compliant file system with native zoned block
13 constraint of zoned block devices to the user. Files representing sequential
19 the implementation of zoned block device support in applications by replacing
23 tree structures (such as used in RocksDB and LevelDB) on zoned block devices
48 technologies. The most common form of zoned storage today uses the SCSI Zoned
52 Solid State Disks (SSD) storage devices can also implement a zoned interface
55 committee aiming at adding a zoned storage interface to the NVMe protocol.
60 Zonefs exposes the zones of a zoned block device as files. The files
149 write feature for zoned block device (ELEVATOR_F_ZBD_SEQ_WRITE elevator feature)
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/linux/drivers/block/null_blk/
H A DMakefile11 null_blk-$(CONFIG_BLK_DEV_ZONED) += zoned.o
/linux/fs/zonefs/
H A DKconfig8 zonefs is a simple file system which exposes zones of a zoned block
/linux/include/uapi/linux/
H A Dvirtio_blk.h150 } zoned; member
H A Dublk_cmd.h421 struct ublk_param_zoned zoned; member
/linux/drivers/block/
H A Dvirtio_blk.c728 zoned.max_open_zones, &v); in virtblk_read_zoned_limits()
733 zoned.max_active_zones, &v); in virtblk_read_zoned_limits()
738 zoned.write_granularity, &wg); in virtblk_read_zoned_limits()
752 virtio_cread(vdev, struct virtio_blk_config, zoned.zone_sectors, in virtblk_read_zoned_limits()
770 zoned.max_append_sectors, &v); in virtblk_read_zoned_limits()
1410 virtio_cread(vdev, struct virtio_blk_config, zoned.model, &model); in virtblk_read_limits()
H A Dublk_drv.c261 const struct ublk_param_zoned *p = &ub->params.zoned; in ublk_dev_param_zoned_validate()
2281 const struct ublk_param_zoned *p = &ub->params.zoned; in ublk_ctrl_start_dev()
/linux/fs/btrfs/
H A DMakefile40 btrfs-$(CONFIG_BLK_DEV_ZONED) += zoned.o
H A Dtree-log.c171 const bool zoned = btrfs_is_zoned(fs_info); in start_log_trans() local
204 if (zoned && atomic_read(&root->log_commit[index])) { in start_log_trans()
222 if (zoned && !created) { in start_log_trans()
255 const bool zoned = btrfs_is_zoned(root->fs_info); in join_running_log_trans() local
267 if (zoned && atomic_read(&root->log_commit[index])) { in join_running_log_trans()
H A Dsysfs.c296 BTRFS_FEAT_ATTR_INCOMPAT(zoned, ZONED);
330 BTRFS_FEAT_ATTR_PTR(zoned),
H A Dblock-group.c2176 const bool zoned = btrfs_is_zoned(fs_info); in exclude_super_stripes() local
2200 if (zoned && nr) { in exclude_super_stripes()
H A Dinode.c2325 const bool zoned = btrfs_is_zoned(inode->root->fs_info); in btrfs_run_delalloc_range() local
2345 if (zoned) in btrfs_run_delalloc_range()
/linux/drivers/scsi/
H A Dsd.h153 unsigned zoned: 2; member
H A Dscsi_debug.c352 bool zoned; member
1959 is_zbc = devip->zoned; in resp_inquiry()
2266 if (devip->zoned) in resp_readcap16()
2757 is_zbc = devip->zoned; in resp_mode_sense()
5762 if (devip->zoned) { in sdebug_device_create_zones()
5787 if (devip->zoned) in sdebug_device_create_zones()
5830 devip->zoned = sdeb_zbc_model == BLK_ZONED_HM; in sdebug_device_create()
5836 devip->zoned = false; in sdebug_device_create()
/linux/block/
H A DKconfig100 Block layer zoned block device support. This option enables
101 support for ZAC/ZBC/ZNS host-managed and host-aware zoned block
/linux/Documentation/ABI/stable/
H A Dsysfs-devices-node77 The node's zoned virtual memory statistics.
/linux/drivers/ata/
H A Dlibata-scsi.c2136 u8 zoned = ata_id_zoned_cap(dev->id); in ata_scsiop_inq_b1() local
2143 if (zoned) in ata_scsiop_inq_b1()
2144 rbuf[8] = (zoned << 4); in ata_scsiop_inq_b1()
/linux/drivers/md/
H A Ddm-zoned-target.c1155 module_dm(zoned);
/linux/Documentation/ABI/testing/
H A Dsysfs-kernel-slab402 zoned.