Question

How to create a virtual file in linux (or block device) (through code, C/++ or Python) that I can hook into read/write/etc?

score 116 · Answer 1 · 2023-12-30T13:16:01.070000

116

Views

How to create a virtual file in linux (or block device) (through code, C/++ or Python) that I can hook into read/write/etc?

Published on 30 December 2023 at 13:16

score 79 · Answer 2 · 2023-12-24T19:34:33.333000

79

Views

A file with actual size 1 byte uses 8 blocks of 4096 bytes on the filesystem

Published on 24 December 2023 at 19:34

score 131 · Answer 3 · 2023-12-17T01:30:53.257000

131

Views

Linux kernel module for block device redirect freezes in make_request on submit_bio/submit_bio_wait

Published on 17 December 2023 at 01:30

score 54 · Answer 4 · 2023-11-29T08:28:57.507000

54

Views

Is the `bv_len` field of `struct bio_vec` necessarily a multiple of the device's sector size?

Published on 29 November 2023 at 08:28

score 134 · Answer 5 · 2023-11-09T10:52:01.070000

134

Views

How does a file-system write its metadata to block-devices?

Published on 09 November 2023 at 10:52

score 111 · Answer 6 · 2023-10-23T10:36:44.717000

111

Views

How to allow nbd devices to submit io requests simultaneously more than physical cpu cores?

Published on 23 October 2023 at 10:36

score 85 · Answer 7 · 2023-10-12T04:38:26.283000

85

Views

Linux Kernel: What is the mapping of block device sectors to memory pages in struct bio?

Published on 12 October 2023 at 04:38

score 93 · Answer 8 · 2023-09-18T15:08:37.393000

93

Views

What is the advantage of using kernel level buffering for writing files

Published on 18 September 2023 at 15:08

score 84 · Answer 9 · 2023-09-15T12:46:17.730000

84

Views

How does the operating system handle I/O writes, that are not a multiple of the block device's sector-size?

Published on 15 September 2023 at 12:46

score 131 · Answer 10 · 2023-08-13T15:59:02.390000

131

Views

How does a linux block driver ensure all I/O has finished before unloading

Published on 13 August 2023 at 15:59

score 45 · Answer 11 · 2023-08-02T15:08:07.357000

45

Views

why does not btt in blktrace tool report any data

Published on 02 August 2023 at 15:08

score 125 · Answer 12 · 2023-07-21T07:21:44.043000

125

Views

Replication mode Protocol C in LinBit DRBD

Published on 21 July 2023 at 07:21

score 103 · Answer 13 · 2023-05-09T10:53:13.323000

103

Views

how to backup raw- / kvm-device directly over the network

Published on 09 May 2023 at 10:53

score 1.1k · Answer 14 · 2023-05-04T06:12:56.900000

1.1k

Views

Getting 'Invalid argument' error when using IOCTL

Published on 04 May 2023 at 06:12

score 314 · Answer 15 · 2023-04-28T12:09:32.647000

314

Views

GNU/Linux systemd/sd-device problems creating and filtering an sd_device_enumerator

Published on 28 April 2023 at 12:09

score 79 · Answer 16 · 2023-03-20T04:40:10.727000

79

Views

How to check block device supports `nowait` or not

Published on 20 March 2023 at 04:40

score 341 · Answer 17 · 2022-11-27T12:05:27.993000

341

Views

How to programmatically find mount/eject usb device on macOS?

Published on 27 November 2022 at 12:05

score 168 · Answer 18 · 2022-10-20T02:51:27.177000

168

Views

How to get a list of all of the block devices on a Linux system using OCaml's stdlib?

Published on 20 October 2022 at 02:51

score 379 · Answer 19 · 2022-10-07T15:34:10.270000

379

Views

Is block device IO buffered?

Published on 07 October 2022 at 15:34

score 73 · Answer 20 · 2022-10-07T08:27:21.313000

73

Views

Why du command is showing 501MiB?

Published on 07 October 2022 at 08:27

List Question

How to create a virtual file in linux (or block device) (through code, C/++ or Python) that I can hook into read/write/etc?

A file with actual size 1 byte uses 8 blocks of 4096 bytes on the filesystem

Linux kernel module for block device redirect freezes in make_request on submit_bio/submit_bio_wait

Is the `bv_len` field of `struct bio_vec` necessarily a multiple of the device's sector size?

How does a file-system write its metadata to block-devices?

How to allow nbd devices to submit io requests simultaneously more than physical cpu cores?

Linux Kernel: What is the mapping of block device sectors to memory pages in struct bio?

What is the advantage of using kernel level buffering for writing files

How does the operating system handle I/O writes, that are not a multiple of the block device's sector-size?

How does a linux block driver ensure all I/O has finished before unloading

why does not btt in blktrace tool report any data

Replication mode Protocol C in LinBit DRBD

how to backup raw- / kvm-device directly over the network

Getting 'Invalid argument' error when using IOCTL

GNU/Linux systemd/sd-device problems creating and filtering an sd_device_enumerator

How to check block device supports `nowait` or not

How to programmatically find mount/eject usb device on macOS?

How to get a list of all of the block devices on a Linux system using OCaml's stdlib?

Is block device IO buffered?

Why du command is showing 501MiB?

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