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[Filesystems] Add disk-related udev rules both normally and to initrd

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This commit is contained in:
Antoine Viallon 2022-01-25 12:06:25 +01:00
parent b358a3d72d
commit 7c6198be6f
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 22 additions and 13 deletions
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35
filesystems.nix
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@ -33,19 +33,28 @@ in
};
config = mkIf cfg.enable {
services.udev.extraRules = concatStringsSep "\n" (
concatLists [
(optional (!(builtins.isNull cfg.hddScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}!="none", ATTR{queue/scheduler}="${cfg.hddScheduler}"''
)
(optional (!(builtins.isNull cfg.slowFlashScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="sd[a-z]*|nvme[0-9]*n[0-9]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="${cfg.slowFlashScheduler}"''
)
(optional (!(builtins.isNull cfg.nvmeScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
)
]
);
services.udev =
let
udevRules = concatStringsSep "\n" (
concatLists [
(optional (!(builtins.isNull cfg.hddScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}!="none", ATTR{queue/scheduler}="${cfg.hddScheduler}"''
)
(optional (!(builtins.isNull cfg.slowFlashScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="sd[a-z]*|nvme[0-9]*n[0-9]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="${cfg.slowFlashScheduler}"''
)
(optional (!(builtins.isNull cfg.nvmeScheduler))
''ACTION=="add|change" SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
)
]
);
in
{
extraRules = udevRules;
initrdRules = udevRules;
};
services.smartd = {
enable = mkDefault true;