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02/05: mapped-devices: Use 'mdadm-static' in 'raid-device-mapping'.
From: |
Ludovic Courtès |
Subject: |
02/05: mapped-devices: Use 'mdadm-static' in 'raid-device-mapping'. |
Date: |
Thu, 27 Oct 2016 11:50:07 +0000 (UTC) |
civodul pushed a commit to branch master
in repository guix.
commit 4ed2f515d69a199154c272997f4683b89ac0a9b8
Author: Ludovic Courtès <address@hidden>
Date: Thu Oct 27 11:20:26 2016 +0200
mapped-devices: Use 'mdadm-static' in 'raid-device-mapping'.
* gnu/system/mapped-devices.scm (open-raid-device, close-raid-device):
Use MDADM-STATIC instead of MDADM. Use 'file-append'.
---
gnu/system/mapped-devices.scm | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/gnu/system/mapped-devices.scm b/gnu/system/mapped-devices.scm
index 2487638..e44f269 100644
--- a/gnu/system/mapped-devices.scm
+++ b/gnu/system/mapped-devices.scm
@@ -24,7 +24,7 @@
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:autoload (gnu packages cryptsetup) (cryptsetup)
- #:autoload (gnu packages linux) (mdadm)
+ #:autoload (gnu packages linux) (mdadm-static)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (mapped-device
@@ -150,12 +150,14 @@ TARGET (e.g., \"/dev/md0\"), using 'mdadm'."
(sleep 1)
(loop (+ 1 attempts))))
- (zero? (apply system* (string-append #$mdadm "/sbin/mdadm")
+ ;; Use 'mdadm-static' rather than 'mdadm' to avoid pulling its whole
+ ;; closure (80 MiB) in the initrd when a RAID device is needed for boot.
+ (zero? (apply system* #$(file-append mdadm-static "/sbin/mdadm")
"--assemble" #$target sources))))
(define (close-raid-device sources target)
"Return a gexp that stops the RAID device TARGET."
- #~(zero? (system* (string-append #$mdadm "/sbin/mdadm")
+ #~(zero? (system* #$(file-append mdadm-static "/sbin/mdadm")
"--stop" #$target)))
(define raid-device-mapping