config: clarify Linux mount options #1181
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AkihiroSuda
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The former wording was inconsistent with runc, crun, youki, etc. Several `mount(8)` options such as `X-mount.mode` are unimplemented in those OCI runtimes, and vice versa (`tmpcopyup`, `rro`, etc.) The option table added in this commit conforms to runc 1.1, but `acl` and `noacl` are excluded as the runc implementation seems wrong (runc issue 3738). Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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AkihiroSuda
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Feb 10, 2023
| If a custom option string is already recognized by [`mount(8)`][mount.8], the runtime SHOULD follow the behavior of [`mount(8)`][mount.8]. | ||
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| Runtimes SHOULD pass unknown options to [`mount(2)`][mount.2] via the fifth argument (`const void *data`). | ||
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(The list of the implemented options is printed in runc features)
tianon
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Feb 10, 2023
Thanks, can we merge this too, so that higher-level engines can detect the supported mount options ? |
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The former wording was inconsistent with runc, crun, youki, etc.
Several
mount(8)options such asX-mount.modeare unimplemented in those OCI runtimes, and vice versa (tmpcopyup,rro, etc.)The option table added in this commit conforms to runc 1.1, but
aclandnoaclare excluded as the runc implementation seems wrong. (runc issue: opencontainers/runc#3738)