movefasta/nixpkgs
1
0
Fork 0
mirror of https://github.com/NixOS/nixpkgs.git synced 2025-06-16 14:39:23 +03:00
Code Issues Projects Releases Packages Wiki Activity

LUKS root: Add option allowDiscards (for SSD disks)

Browse source
This commit is contained in:
Rickard Nilsson 2012-07-17 13:10:00 +02:00
parent 5f57110e1f
commit ecdbc94e05
1 changed files with 13 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

15
modules/system/boot/luksroot.nix
View file

@ -5,7 +5,7 @@ with pkgs.lib;
let let
luks = config.boot.initrd.luks; luks = config.boot.initrd.luks;
openCommand = { name, device, ... }: '' openCommand = { name, device, allowDiscards, ... }: ''
# Wait for luksRoot to appear, e.g. if on a usb drive. # Wait for luksRoot to appear, e.g. if on a usb drive.
# XXX: copied and adapted from stage-1-init.sh - should be # XXX: copied and adapted from stage-1-init.sh - should be
# available as a function. # available as a function.
@ -20,7 +20,7 @@ let
fi fi
# open luksRoot and scan for logical volumes # open luksRoot and scan for logical volumes
cryptsetup luksOpen ${device} ${name} cryptsetup luksOpen ${device} ${name} ${optionalString allowDiscards "--allow-discards"}
''; '';
isPreLVM = f: f.preLVM; isPreLVM = f: f.preLVM;
@ -69,6 +69,17 @@ in
type = types.bool; type = types.bool;
description = "Whether the luksOpen will be attempted before LVM scan or after it."; description = "Whether the luksOpen will be attempted before LVM scan or after it.";
}; };
allowDiscards = mkOption {
default = false;
type = types.bool;
description = ''
Whether to allow TRIM requests to the underlying device. This option
has security implications, please read the LUKS documentation before
activating in.
'';
};
}; };
}; };
}; };