| /linux-6.12.1/Documentation/admin-guide/device-mapper/ |
| D | dm-uevent.rst | 2 device-mapper uevent
5 The device-mapper uevent code adds the capability to device-mapper to create
6 and send kobject uevents (uevents). Previously device-mapper events were only
9 the event avoiding the need to query the state of the device-mapper device after
12 There are two functions currently for device-mapper events. The first function
28 :Value: Name of device-mapper target that generated the event.
35 :Value: Device-mapper specific action that caused the uevent action.
43 :Description: A sequence number for this specific device-mapper device.
65 :Description: Name of the device-mapper device.
72 :Description: UUID of the device-mapper device.
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| D | unstriped.rst | 2 Device-mapper "unstriped" target
8 The device-mapper "unstriped" target provides a transparent mechanism to
9 unstripe a device-mapper "striped" target to access the underlying disks
63 echo "0 1 unstriped ${NUM} ${CHUNK} ${i} /dev/mapper/raid0 0" | dmsetup create set-${i}
67 dd if=/dev/urandom of=/dev/mapper/set-${i} bs=${BS} count=${COUNT} oflag=direct
68 diff /dev/mapper/set-${i} member-${i}
107 to get a 92% reduction in read latency using this device mapper target.
124 /dev/mapper/nvmset0
125 /dev/mapper/nvmset1
132 dmsetup create raid_disk0 --table '0 512 unstriped 4 256 0 /dev/mapper/striped 0'
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| D | dm-dust.rst | 78 $ sudo dd if=/dev/mapper/dust1 of=/dev/null bs=512 count=128 iflag=direct
82 $ sudo dd if=/dev/zero of=/dev/mapper/dust1 bs=512 count=128 oflag=direct
94 kernel: device-mapper: dust: badblock added at block 60
97 kernel: device-mapper: dust: badblock added at block 67
100 kernel: device-mapper: dust: badblock added at block 72
114 kernel: device-mapper: dust: enabling read failures on bad sectors
122 $ sudo dd if=/dev/mapper/dust1 of=/dev/null bs=512 count=1 skip=67 iflag=direct
123 dd: error reading '/dev/mapper/dust1': Input/output error
131 $ sudo dd if=/dev/zero of=/dev/mapper/dust1 bs=512 count=128 oflag=direct
135 kernel: device-mapper: dust: block 60 removed from badblocklist by write
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| D | snapshot.rst | 2 Device-mapper snapshot support
5 Device-mapper allows you, without massive data copying:
117 # ls -lL /dev/mapper/volumeGroup-*
118 brw------- 1 root root 254, 11 29 ago 18:15 /dev/mapper/volumeGroup-base-real
119 brw------- 1 root root 254, 12 29 ago 18:15 /dev/mapper/volumeGroup-snap-cow
120 brw------- 1 root root 254, 13 29 ago 18:15 /dev/mapper/volumeGroup-snap
121 brw------- 1 root root 254, 10 29 ago 18:14 /dev/mapper/volumeGroup-base
146 # ls -lL /dev/mapper/volumeGroup-*
147 brw------- 1 root root 254, 11 29 ago 18:15 /dev/mapper/volumeGroup-base-real
148 brw------- 1 root root 254, 12 29 ago 18:16 /dev/mapper/volumeGroup-base-cow
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| D | thin-provisioning.rst | 8 This document describes a collection of device-mapper targets that
46 a Red Hat distribution it is named 'device-mapper-persistent-data').
52 They use the dmsetup program to control the device-mapper driver
65 - Device-mapper 'messages' from userspace which control the creation of new
163 active pool device, /dev/mapper/pool in this example::
165 dmsetup message /dev/mapper/pool 0 "create_thin 0"
175 dmsetup create thin --table "0 2097152 thin /dev/mapper/pool 0"
192 dmsetup suspend /dev/mapper/thin
193 dmsetup message /dev/mapper/pool 0 "create_snap 1 0"
194 dmsetup resume /dev/mapper/thin
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| D | dm-log.rst | 2 Device-Mapper Logging
4 The device-mapper logging code is used by some of the device-mapper
14 There is a generic logging interface that the device-mapper RAID
55 provide a cluster-coherent log for shared-storage. Device-mapper mirroring
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| D | cache.rst | 8 dm-cache is a device mapper target written by Joe Thornber, Heinz
15 This device-mapper solution allows us to insert this caching at
159 need a generic way of getting and setting these. Device-mapper
296 need a generic way of getting and setting these. Device-mapper
329 https://github.com/jthornber/device-mapper-test-suite
333 dmsetup create my_cache --table '0 41943040 cache /dev/mapper/metadata \
334 /dev/mapper/ssd /dev/mapper/origin 512 1 writeback default 0'
335 dmsetup create my_cache --table '0 41943040 cache /dev/mapper/metadata \
336 /dev/mapper/ssd /dev/mapper/origin 1024 1 writeback \
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| D | zero.rst | 5 Device-Mapper's "zero" target provides a block-device that always returns
32 echo "0 $TEN_TERABYTES snapshot /dev/mapper/zero1 /dev/sdb1 p 128" | \
35 This will create a 10TB sparse device called /dev/mapper/sparse1 that has
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| D | log-writes.rst | 85 mkfs.btrfs -f /dev/mapper/log
109 mkfs.btrfs -f /dev/mapper/log
112 mount /dev/mapper/log /mnt/btrfs-test
129 mkfs.btrfs -f /dev/mapper/log
132 mount /dev/mapper/log /mnt/btrfs-test
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| D | dm-init.rst | 5 It is possible to configure a device-mapper device to act as the root device for
77 this target to /dev/mapper/lroot (depending on the rules). No uuid was assigned.
127 For setups using device-mapper on top of asynchronously probed block
130 device-mapper tables. This can be done with the "dm-mod.waitfor="
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| D | linear.rst | 5 Device-Mapper's "linear" target maps a linear range of the Device-Mapper
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| D | switch.rst | 5 The device-mapper switch target creates a device that supports an
42 A device-mapper table already lets you map different regions of a
48 Using this device-mapper switch target we can now build a two-layer
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| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-block-dm | 5 Description: Device-mapper device name.
7 Users: util-linux, device-mapper udev rules
13 Description: Device-mapper device UUID.
16 Users: util-linux, device-mapper udev rules
22 Description: Device-mapper device suspend state.
25 Users: util-linux, device-mapper udev rules
45 Description: Request-based Device-mapper blk-mq I/O path mode.
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| D | sysfs-bus-iio-light-lm3533-als | 52 These values correspond to the ALS-mapper target registers for
53 ALS-mapper Y + 1.
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| /linux-6.12.1/drivers/infiniband/core/ |
| D | iwpm_msg.c | 42 * iwpm_valid_pid - Check if the userspace iwarp port mapper pid is valid
53 * to get the iwarp port mapper pid
54 * @pm_msg: Contains driver info to send to the userspace port mapper
131 * the userspace port mapper
141 * the port mapper response (mapped address info)
155 err_str = "Unregistered port mapper client"; in iwpm_add_mapping()
215 * iwpm_add_and_query_mapping - Process the port mapper response to
238 err_str = "Unregistered port mapper client"; in iwpm_add_and_query_mapping()
305 * to the userspace port mapper
325 err_str = "Unregistered port mapper client"; in iwpm_remove_mapping()
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| D | iwpm_util.h | 134 * message to send to the port mapper
176 * a client to the user space port mapper
178 * @iwpm_pid: The pid of the user space port mapper
258 * @iwpm_pid: The pid of the user space port mapper
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| /linux-6.12.1/kernel/trace/ |
| D | trace_functions.c | 461 struct ftrace_func_mapper *mapper = data; in update_traceon_count() local
494 count = (long *)ftrace_func_mapper_find_ip(mapper, ip); in update_traceon_count()
599 struct ftrace_func_mapper *mapper = data; in ftrace_stacktrace_count() local
608 if (!mapper) { in ftrace_stacktrace_count()
613 count = (long *)ftrace_func_mapper_find_ip(mapper, ip); in ftrace_stacktrace_count()
639 struct ftrace_func_mapper *mapper = data; in update_count() local
642 if (mapper) in update_count()
643 count = (long *)ftrace_func_mapper_find_ip(mapper, ip); in update_count()
678 struct ftrace_func_mapper *mapper = data; in ftrace_probe_print() local
683 if (mapper) in ftrace_probe_print()
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| /linux-6.12.1/sound/pci/ctxfi/ |
| D | ctimap.h | 8 * This file contains the definition of generic input mapper operations
9 * for input mapper management.
23 unsigned short addr; /* the input mapper ram id */
24 unsigned short next; /* the next input mapper ram id */
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| /linux-6.12.1/drivers/md/ |
| D | Kconfig | 184 tristate "Device mapper support"
190 Device-mapper is a low level volume manager. It works by allowing
203 bool "Device mapper debugging support"
206 Enable this for messages that may help debug device-mapper problems.
240 Some bio locking schemes used by other device-mapper targets
261 This device-mapper target allows you to create a device that
484 See Documentation/admin-guide/device-mapper/dm-init.rst for dm-mod.create="..."
508 This device-mapper target creates a read-only device that
569 This device-mapper target creates a device that supports an arbitrary
583 This device-mapper target takes two devices, one device to use
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| D | dm-exception-store.h | 6 * Device-mapper snapshot exception store.
16 #include <linux/device-mapper.h>
111 /* For internal device-mapper use only. */
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| /linux-6.12.1/Documentation/power/ |
| D | swsusp-dmcrypt.rst | 36 brw------- 1 root root 254, 0 Jul 28 13:37 /dev/mapper/swap0
38 Now set up your kernel to use /dev/mapper/swap0 as the default
41 CONFIG_PM_STD_PARTITION="/dev/mapper/swap0"
104 mkswap /dev/mapper/swap0 > /dev/null 2>&1
128 then attempts to resume from the first device mapper device.
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| /linux-6.12.1/Documentation/admin-guide/nfs/ |
| D | nfs-idmapper.rst | 2 NFS ID Mapper
5 Id mapper is used by NFS to translate user and group ids into names, and to
39 id mapper uses for key descriptions::
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| /linux-6.12.1/include/linux/ |
| D | dm-dirty-log.h | 6 * Device-Mapper dirty region log.
17 #include <linux/device-mapper.h>
33 /* For internal device-mapper use */
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| /linux-6.12.1/drivers/gpu/drm/bridge/imx/ |
| D | Kconfig | 32 Freescale i.MX8qm processor. Official name of LDB is pixel mapper.
42 Freescale i.MX8qxp processor. Official name of LDB is pixel mapper.
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| /linux-6.12.1/arch/mips/include/asm/sibyte/ |
| D | bcm1480_int.h | 5 * Interrupt Mapper definitions File: bcm1480_int.h
8 * BCM1255/BCM1280/BCM1455/BCM1480's interrupt mapper and
27 * Interrupt Mapper Constants
31 * The interrupt mapper deals with 128-bit logical registers that are
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