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config-linux.md: part fix of blkio spec #825

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Aug 22, 2017
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config-linux.md: part fix of blkio spec #825

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23 changes: 16 additions & 7 deletions config-linux.md
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Expand Up @@ -337,16 +337,25 @@ The following parameters can be specified to set up the controller:

* **`weight`** *(uint16, OPTIONAL)* - specifies per-cgroup weight. This is default weight of the group on all devices until and unless overridden by per-device rules.
* **`leafWeight`** *(uint16, OPTIONAL)* - equivalents of `weight` for the purpose of deciding how much weight tasks in the given cgroup has while competing with the cgroup's child cgroups.
* **`weightDevice`** *(array of objects, OPTIONAL)* - specifies the list of devices which will be bandwidth rate limited. The following parameters can be specified per-device:
* **`major, minor`** *(int64, REQUIRED)* - major, minor numbers for device. More info in [mknod(1)][mknod.1] man page.
* **`weight`** *(uint16, OPTIONAL)* - bandwidth rate for the device.
* **`leafWeight`** *(uint16, OPTIONAL)* - bandwidth rate for the device while competing with the cgroup's child cgroups, CFQ scheduler only
* **`weightDevice`** *(array of objects, OPTIONAL)* - an array of per-device bandwidth weights.
Each entry has the following structure:
* **`major, minor`** *(int64, REQUIRED)* - major, minor numbers for device.
For more information, see the [mknod(1)][mknod.1] man page.
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I prefer backticks around man page references (e.g. here and here), but that's clearly not a big deal.

* **`weight`** *(uint16, OPTIONAL)* - bandwidth weight for the device.
* **`leafWeight`** *(uint16, OPTIONAL)* - bandwidth weight for the device while competing with the cgroup's child cgroups, CFQ scheduler only

You MUST specify at least one of `weight` or `leafWeight` in a given entry, and MAY specify both.

* **`throttleReadBpsDevice`**, **`throttleWriteBpsDevice`**, **`throttleReadIOPSDevice`**, **`throttleWriteIOPSDevice`** *(array of objects, OPTIONAL)* - specify the list of devices which will be IO rate limited.
The following parameters can be specified per-device:
* **`major, minor`** *(int64, REQUIRED)* - major, minor numbers for device. More info in [mknod(1)][mknod.1] man page.
* **`throttleReadBpsDevice`**, **`throttleWriteBpsDevice`** *(array of objects, OPTIONAL)* - an array of per-device bandwidth rate limits.
Each entry has the following structure:
* **`major, minor`** *(int64, REQUIRED)* - major, minor numbers for device.
For more information, see the [mknod(1)][mknod.1] man page.
* **`rate`** *(uint64, REQUIRED)* - bandwidth rate limit in bytes per second for the device

* **`throttleReadIOPSDevice`**, **`throttleWriteIOPSDevice`** *(array of objects, OPTIONAL)* - an array of per-device IO rate limits.
Each entry has the following structure:
* **`major, minor`** *(int64, REQUIRED)* - major, minor numbers for device.
For more information, see the [mknod(1)][mknod.1] man page.
* **`rate`** *(uint64, REQUIRED)* - IO rate limit for the device

#### Example
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