diff options
Diffstat (limited to 'gnu/system/vm.scm')
| -rw-r--r-- | gnu/system/vm.scm | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm index 91e117b9f3..a1b595d45d 100644 --- a/gnu/system/vm.scm +++ b/gnu/system/vm.scm @@ -99,21 +99,28 @@ (device "store") (type "9p") (needed-for-boot? #t) - (options "trans=virtio") + (flags '(read-only)) + (options "trans=virtio,cache=loose") (check? #f)) + + ;; The 9p documentation says that cache=loose is "intended for + ;; exclusive, read-only mounts", without additional details. In + ;; practice it seems to work well for these, and it's much faster than + ;; the default cache=none, especially when copying and registering + ;; store items. (file-system (mount-point "/xchg") (device "xchg") (type "9p") (needed-for-boot? #t) - (options "trans=virtio") + (options "trans=virtio,cache=loose") (check? #f)) (file-system (mount-point "/tmp") (device "tmp") (type "9p") (needed-for-boot? #t) - (options "trans=virtio") + (options "trans=virtio,cache=loose") (check? #f)))) (define not-config? @@ -390,7 +397,12 @@ the image." #:closures graphs #:copy-closures? #$copy-inputs? #:register-closures? #$register-closures? - #:system-directory #$os-drv)) + #:system-directory #$os-drv + + ;; Disable deduplication to speed things up, + ;; and because it doesn't help much for a + ;; single system generation. + #:deduplicate? #f)) (root-size #$(if (eq? 'guess disk-image-size) #~(max ;; Minimum 20 MiB root size |