Searched full:discard (Results 1 – 25 of 80) sorted by relevance
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| /Documentation/admin-guide/ |
| D | jfs.rst | 52 discard=minlen, discard/nodiscard(*)
53 This enables/disables the use of discard/TRIM commands.
54 The discard/TRIM commands are sent to the underlying
60 When no value is given to the discard option, it defaults to
62 The minlen value of discard overrides the minlen value given
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| /Documentation/block/ |
| D | stat.rst | 40 discard I/Os requests number of discard I/Os processed
41 discard merges requests number of discard I/Os merged with in-queue I/O
42 discard sectors sectors number of sectors discarded
43 discard ticks milliseconds total wait time for discard requests
48 read I/Os, write I/Os, discard I/0s
61 read merges, write merges, discard merges
75 read ticks, write ticks, discard ticks, flush ticks
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| D | null_blk.rst | 83 discard=[0/1]: Default: 0
84 Support discard operations (requires memory-backed null_blk device).
87 0 Do not support discard operations
88 1 Enable support for discard operations
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| /Documentation/bpf/ |
| D | ringbuf.rst | 93 discarded. Discard is similar to commit, but makes consumer ignore the
112 The difference between commit and discard is very small. Discard just marks
114 code. Discard is useful for some advanced use-cases, such as ensuring
120 impossible to reserve a record, but forget to submit (or discard) it.
137 ``BPF_RB_NO_WAKEUP``/``BPF_RB_FORCE_WAKEUP`` flags for output/commit/discard
168 record is still being worked on, and discard bit, which might be set at commit
204 notifications, commit/discard/output helpers accept ``BPF_RB_NO_WAKEUP`` and
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| /Documentation/ABI/testing/ |
| D | sysfs-fs-f2fs | 104 Description: Controls the issue rate of discard commands that consist of small
112 Description: Controls the maximum ordered discard, the unit size is one block(4KB).
119 Higher number will allow the discard thread to finish its work
125 Description: Controls the interval the discard thread will wait between
126 issuing discard requests when there are discards to be issued and
132 Description: Controls the interval the discard thread will wait between
133 issuing discard requests when there are discards to be issued and
139 Description: Controls the interval the discard thread will wait when there are
140 no discard operations to be issued.
145 Description: Controls discard granularity of inner discard thread. Inner thread
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| D | sysfs-devices-platform-ACPI-TAD | 49 alarm timer or "never", if the policy is to discard AC timer
54 the AC alarm timer or to set its expired wake policy to discard
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| D | procfs-diskstats | 26 Kernel 4.18+ appends four more fields for discard
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| D | sysfs-block-bcache | 109 What: /sys/block/<disk>/bcache/discard
113 For a cache, a boolean allowing discard/TRIM to be turned off
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| /Documentation/admin-guide/device-mapper/ |
| D | log-writes.rst | 43 have all the DISCARD requests, and then the WRITE requests and then the FLUSH
46 WRITE block 1, DISCARD block 1, FLUSH
48 If we logged DISCARD when it completed, the replay would look like this:
50 DISCARD 1, WRITE 1, FLUSH
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| D | vdo.rst | 154 The maximum size of discard bio accepted, in 4096-byte
157 However, discard requests to a vdo volume can be
162 individual discard requests. The default and minimum is 1;
217 Grow the physical size by 1 GB more and increase max discard sectors.
353 - When blocks are no longer in use, sending a discard request for those
357 duplicate blocks, no discard request for any given logical block is
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| D | dm-raid.rst | 344 Discard Support
346 The implementation of discard support among hardware vendors varies.
363 discard support is disabled -- this ensures data integrity at the
370 to safely enable discard support for RAID 4/5/6:
393 1.6.0 Add discard support (and devices_handle_discard_safely module param).
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| D | dm-crypt.rst | 102 Block discard requests (a.k.a. TRIM) are passed through the crypt device.
103 The default is to ignore discard requests.
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| D | snapshot.rst | 60 discard_zeroes_cow - a discard issued to the snapshot device that
64 discard_passdown_origin - a discard to the snapshot device is passed
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| /Documentation/filesystems/ |
| D | btrfs.rst | 29 * Trim/discard
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| D | nilfs2.rst | 82 discard This enables/disables the use of discard/TRIM commands.
83 nodiscard(*) The discard/TRIM commands are sent to the underlying
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| D | f2fs.rst | 126 discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
127 enabled, f2fs will issue discard/TRIM commands when a
339 discard_unit=%s Control discard unit, the argument can be "block", "segment"
340 and "section", issued discard command's offset/size will be
342 so that small discard functionality is enabled.
346 discard.
459 ``-t [0 or 1]`` Disable discard command or not.
461 1 is set by default, which conducts discard.
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| /Documentation/ABI/removed/ |
| D | sysfs-selinux-checkreqprot | 25 but will discard writes of the "0" value and will reject writes of the
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| /Documentation/scsi/ |
| D | tcm_qla2xxx.rst | 26 will discard the commands for that host.
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| /Documentation/ABI/stable/ |
| D | sysfs-block | 17 Devices that support discard functionality may
183 Devices that support discard functionality may
283 [RO] Devices that support discard functionality may internally
289 means that the device does not support discard functionality.
300 potentially help reduce latencies induced by large discard
308 [RO] Devices that support discard functionality may have
312 bytes that can be discarded in a single operation. Discard
315 support discard functionality.
455 discard request.
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| /Documentation/devicetree/bindings/usb/ |
| D | qcom,pmic-typec.yaml | 58 - description: Power Domain TX message discard
59 - description: Power Domain RX message discard
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| /Documentation/devicetree/bindings/sound/ |
| D | davinci-mcbsp.yaml | 81 McBSP will discard the bit preceding the data stream (called framing bit).
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| /Documentation/litmus-tests/ |
| D | README | 56 shows how to use the "filter" clause to discard executions that
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| /Documentation/kbuild/ |
| D | gendwarfksyms.rst | 51 __section(".discard.gendwarfksyms") = &sym;
113 `.discard.gendwarfksyms.kabi_rules` section of the object file and
134 __section(".discard.gendwarfksyms.kabi_rules") = \
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| /Documentation/userspace-api/media/drivers/ |
| D | imx-uapi.rst | 79 discard really high interval errors that might be due to interrupt
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| /Documentation/arch/s390/ |
| D | monreader.rst | 182 should discard the data read since the last successful read with 0 size.
185 discard the data read since the last successful read with 0 size.
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