Searched full:reads (Results 1 – 25 of 239) sorted by relevance
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| /Documentation/admin-guide/device-mapper/ |
| D | delay.rst | 5 Device-Mapper's "delay" target delays reads and/or writes
13 With separate write parameters, the first set is only used for reads.
30 # splitting reads and writes to different devices $1 $2
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| D | zero.rst | 6 zero'd data on reads and silently drops writes. This is similar behavior to
15 device. Reads to previously unwritten areas will return a zero'd buffer. When
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| D | dm-flakey.rst | 14 which can delay reads and writes and/or send them to different
58 Either 'r' to corrupt reads or 'w' to corrupt writes.
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| D | writecache.rst | 6 doesn't cache reads because reads are supposed to be cached in page cache
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| /Documentation/admin-guide/ |
| D | iostats.rst | 64 Field 1 -- # of reads completed
65 This is the total number of reads completed successfully.
67 Field 2 -- # of reads merged, field 6 -- # of writes merged
68 Reads and writes which are adjacent to each other may be merged for
69 efficiency. Thus two 4K reads may become one 8K read before it is
77 This is the total number of milliseconds spent by all reads (as
148 Field 1 -- # of reads issued
149 This is the total number of reads issued to this partition.
165 words, the number of reads for partitions is counted slightly before time
170 reads/writes before merges for partitions and after for disks. Since a
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| /Documentation/block/ |
| D | kyber-iosched.rst | 6 reads and synchronous writes. Kyber will throttle requests in order to meet
11 Target latency for reads (in nanoseconds).
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| D | deadline-iosched.rst | 50 device dispatch queue, we always give a preference to reads. However, we
52 how many times we give preference to reads over writes. When that has been
54 same criteria as reads.
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| /Documentation/ABI/testing/ |
| D | procfs-diskstats | 12 4 - reads completed successfully
13 5 - reads merged
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| D | sysfs-devices-platform-ACPI-TAD | 28 Reads return the current AC alarm timer value in seconds or
46 Reads return the current expired timer wake delay for the AC
61 Reads return a hexadecimal bitmask representing the AC alarm
71 Reads also cause the AC alarm timer status to be reset.
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| D | sysfs-devices-platform-docg3 | 9 The protection has information embedded whether it blocks reads,
24 The protection has information embedded whether it blocks reads,
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| D | sysfs-class-net-grcan | 7 Hardware configuration of physical interface 0. This file reads
19 Hardware configuration of physical interface 1. This file reads
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| D | sysfs-class-scsi_tape | 18 reads, writes, and other SCSI commands issued to the tape
107 an error. For reads this may be a case of someone issuing
108 reads greater than the block size.
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| D | sysfs-class-stm_source | 7 is directed. Reads return an existing connection or "<none>" if
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| D | sysfs-bus-intel_th-output-devices | 6 output device. Reads return current status. Requires that the
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| /Documentation/filesystems/ |
| D | dax.txt | 7 The page cache is usually used to buffer reads and writes to files.
13 extra copy by performing reads and writes directly to the storage device.
69 - ensuring that there is sufficient locking between reads, writes,
128 how to do this). In the non struct page cases O_DIRECT reads/writes to
130 reads/writes _of a DAX file_ do work, it is the memory that is being
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| D | fuse-io.txt | 11 In direct-io mode the page cache is completely bypassed for reads and writes.
14 In cached mode reads may be satisfied from the page cache, and data may be
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| /Documentation/w1/masters/ |
| D | ds2490.rst | 49 - The ds2490 specification doesn't cover short bulk in reads in
55 should match reads and writes as well as data sizes. Reads and
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| /Documentation/ABI/removed/ |
| D | net_dma | 5 Formerly the lower limit, in bytes, of the size of socket reads
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| /Documentation/admin-guide/gpio/ |
| D | sysfs.rst | 75 reads as either "in" or "out". This value may
87 reads as either 0 (low) or 1 (high). If the GPIO
102 reads as either "none", "rising", "falling", or
110 reads as either 0 (false) or 1 (true). Write
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| /Documentation/i2c/ |
| D | smbus-protocol.rst | 68 This reads a single byte from a device, without specifying a device
94 This reads a single byte from a device, from a designated register.
114 available for reads where the two data bytes are the other way
152 16 bits of data to it, and reads 16 bits of data in return::
163 This command reads a block of up to 32 bytes from a device, from a
196 1 to 31 bytes of data to it, and reads 1 to 31 bytes of data in return::
280 This command reads a block of bytes from a device, from a
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| /Documentation/ |
| D | io_ordering.txt | 9 chipset to flush pending writes to the device before any reads are posted. A
49 Here, the reads from safe_register will cause the I/O chipset to flush any
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| /Documentation/driver-api/rapidio/ |
| D | mport_cdev.rst | 27 - Reads and writes from/to configuration registers of mport devices
29 - Reads and writes from/to configuration registers of remote RapidIO devices.
30 This operations are defined as RapidIO Maintenance reads/writes in RIO spec.
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| /Documentation/devicetree/bindings/timer/ |
| D | arm,arch_timer.yaml | 58 by back-to-back reads. This also affects writes to the tval register, due
64 says that reading the counters is unreliable in some cases, and reads may
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| /Documentation/hwmon/ |
| D | fam15h_power.rst | 102 iii. At time x, SW reads CpuSwPwrAcc MSR and samples the PTSC.
106 iv. At time y, SW reads CpuSwPwrAcc MSR and samples the PTSC.
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| /Documentation/driver-api/md/ |
| D | raid5-cache.rst | 54 can be calculated. These synchronous reads hurt write throughput. Some writes
93 parity is settled down in log and finally the IO is finished. Read just reads
105 After an unclean shutdown, MD does recovery. MD reads all meta data and data
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