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[Filesystems] Move ZFS config into defaults/filesystems

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This commit is contained in:
Antoine Viallon 2022-07-18 22:02:00 +02:00
parent 19504aadd8
commit 47a4b3d778
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
3 changed files with 39 additions and 4 deletions
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12
filesystems.nix
View file

@ -10,6 +10,10 @@ let
ioSchedType = types.enum [ "bfq" "kyber" "mq-deadline" "none" null ];
in
{
imports = [
./filesystems
];
options.aviallon.filesystems = {
enable = mkOption {
default = true;
@ -70,16 +74,16 @@ in
aviallon.filesystems.udevRules = mkBefore (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}="${cfg.hddScheduler}"''
''ACTION!="remove", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="${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}="${cfg.slowFlashScheduler}"''
''ACTION!="remove", SUBSYSTEM=="block", KERNEL=="sd[a-z]*|nvme[0-9]*n[0-9]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="${cfg.slowFlashScheduler}"''
)
(optional (!(builtins.isNull cfg.nvmeScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
''ACTION!="remove", SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
)
(optional cfg.queuePriority
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{device/ncq_prio_supported}=="1", ATTR{device/ncq_prio_enable}="1"''
''ACTION!="remove", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{device/ncq_prio_supported}=="1", ATTR{device/ncq_prio_enable}="1"''
)
]);

6
filesystems/default.nix Normal file
View file

@ -0,0 +1,6 @@
{ ... }:
{
imports = [
./zfs.nix
];
}

25
filesystems/zfs.nix Normal file
View file

@ -0,0 +1,25 @@
{config, lib, pkgs, ...}:
with lib;
let
cfg = config.aviallon.filesystems.zfs;
in {
options.aviallon.filesystems.zfs = {
enable = mkEnableOption "ZFS support";
};
config = mkIf cfg.enable {
boot.initrd.supportedFilesystems = ["zfs"]; # boot from zfs
boot.supportedFilesystems = [ "zfs" ];
aviallon.filesystems.udevRules = mkAfter [
# ZFS doesn't like additional schedulers
''SUBSYSTEM=="block", ACTION!="remove", KERNEL=="sd[a-z]*[0-9]*|mmcblk[0-9]*p[0-9]*|nvme[0-9]*n[0-9]*p[0-9]*", ENV{ID_FS_TYPE}=="zfs_member", ATTR{../queue/scheduler}="none"''
];
services.zfs.autoScrub.enable = true;
services.zfs.autoSnapshot.enable = true;
# Can cause issues with ZFS
boot.kernelParams = [ "nohibernate" ];
};
}