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Use looser 9pfs caching in VM tests/builds

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This can give significant speed ups, see
https://github.com/edolstra/linux/commit/7e20254412c780a2102761fee92cb1d32ceeaefd.
This commit is contained in:
Eelco Dolstra
2016-12-29 21:26:16 +01:00
parent 87d5e27a3d
commit bbd03e236a
4 changed files with 14 additions and 4 deletions
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pkgs/build-support/vm/default.nix
+2 -2
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@@ -130,7 +130,7 @@ rec {
echo "mounting Nix store..."
mkdir -p /fs${storeDir}
mount -t 9p store /fs${storeDir} -o trans=virtio,version=9p2000.L,cache=loose
mount -t 9p store /fs${storeDir} -o trans=virtio,version=9p2000.L,veryloose
mkdir -p /fs/tmp /fs/run /fs/var
mount -t tmpfs -o "mode=1777" none /fs/tmp
@@ -139,7 +139,7 @@ rec {
echo "mounting host's temporary directory..."
mkdir -p /fs/tmp/xchg
mount -t 9p xchg /fs/tmp/xchg -o trans=virtio,version=9p2000.L,cache=loose
mount -t 9p xchg /fs/tmp/xchg -o trans=virtio,version=9p2000.L,veryloose
mkdir -p /fs/proc
mount -t proc none /fs/proc