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Use Option as resource fields, remove the update switch: update_values

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Use idiomatic Option::None to represent optional fields.
This enables updates where not all fields need to be specified.

Signed-off-by: Tim Zhang <tim@hyper.sh>
This commit is contained in:
Tim Zhang
2020-11-05 11:18:39 +08:00
parent 0c18b0855e
commit 567cdb43b3
11 changed files with 99 additions and 143 deletions
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27
src/cpu.rs
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@@ -75,28 +75,15 @@ impl ControllerInternal for CpuController {
// get the resources that apply to this controller
let res: &CpuResources = &res.cpu;
if res.update_values {
let _ = self.set_shares(res.shares);
if self.shares()? != res.shares as u64 {
return Err(Error::new(ErrorKind::Other));
}
update_and_test!(self, set_shares, res.shares, shares);
update_and_test!(self, set_cfs_period, res.period, cfs_period);
update_and_test!(self, set_cfs_quota, res.quota, cfs_quota);
let _ = self.set_cfs_period(res.period);
if self.cfs_period()? != res.period as u64 {
return Err(Error::new(ErrorKind::Other));
}
res.attrs.iter().for_each(|(k, v)| {
let _ = self.set(k, v);
});
let _ = self.set_cfs_quota(res.quota);
if self.cfs_quota()? != res.quota {
return Err(Error::new(ErrorKind::Other));
}
res.attrs.iter().for_each(|(k, v)| {
let _ = self.set(k, v);
})
// TODO: rt properties (CONFIG_RT_GROUP_SCHED) are not yet supported
}
// TODO: rt properties (CONFIG_RT_GROUP_SCHED) are not yet supported
Ok(())
}