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| author | Lennart Poettering <lennart@poettering.net> | 2021-10-18 17:23:30 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2021-10-19 15:38:21 +0200 |
| commit | e8c7c4d9d145e0ab1ca75457390fcc698c7e55af (patch) | |
| tree | 27c37e710b4b5e54fb9a0b11e6cf5fc7899bac1d /docs/ENVIRONMENT.md | |
| parent | aabb252577a7783027ddd2f5fe5c2102f24ac644 (diff) | |
| download | systemd-e8c7c4d9d145e0ab1ca75457390fcc698c7e55af.tar.gz | |
loop-util: enable LO_FLAGS_DIRECT_IO by default on loopback devices
Fixes: #21003
Diffstat (limited to 'docs/ENVIRONMENT.md')
| -rw-r--r-- | docs/ENVIRONMENT.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md index aba9ede259..9a824820da 100644 --- a/docs/ENVIRONMENT.md +++ b/docs/ENVIRONMENT.md @@ -369,6 +369,11 @@ disk images with `--image=` or similar: directores in `/usr/lib/`, `/run`, …) or passed to the kernel for validation against its built-in certificates. +* `$SYSTEMD_LOOP_DIRECT_IO` – takes a boolean, which controls whether to enable + LO_FLAGS_DIRECT_IO (i.e. direct IO + asynchronous IO) on loopback block + devices when opening them. Defaults to on, set this to "0" to disable this + feature. + `systemd-cryptsetup`: * `$SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE` – takes a boolean, which controls |