From 53f19f7183aae2e186edc4e6e39467f18a5a005a Mon Sep 17 00:00:00 2001
From: Jens Nolte <git@queezle.net>
Date: Fri, 2 Apr 2021 23:09:33 +0200
Subject: [PATCH] Enable discard on ssds during installation; disable
compression
---
bin/lib/installation.nix | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/bin/lib/installation.nix b/bin/lib/installation.nix
index dc00b13..a2a5466 100644
--- a/bin/lib/installation.nix
+++ b/bin/lib/installation.nix
@@ -130,7 +130,7 @@ assert (typeOf swap) == "string";
ssd=true
else
ssd=false
- print_warning "Discard failed"
+ print_warning "Discard failed, disabling ssd configuration"
fi
print_info "Creating partition table for bootloader ${template.bootloader}"
@@ -230,14 +230,21 @@ assert (typeOf swap) == "string";
mkdir -p $mount_point
+ if $ssd
+ then
+ mountflags=noatime,discard=async
+ else
+ mountflags=noatime
+ fi
+
# Create subvolumes
- ${mount-bin} -o noatime,compress=zstd $root_partition $mount_point
+ ${mount-bin} -o $mountflags $root_partition $mount_point
${btrfs-bin} subvolume create $mount_point/${hostname}
${btrfs-bin} subvolume create $mount_point/${hostname}/nix
${umount-bin} $mount_point
# Remount
- ${mount-bin} -o subvol=/${hostname},noatime,compress=zstd $root_partition $mount_point
+ ${mount-bin} -o subvol=/${hostname},$mountflags $root_partition $mount_point
mkdir -p $mount_point/boot
${mount-bin} -o noatime $esp_partition $mount_point/boot
--
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