From: Eneko Lacunza <elacu...@binovo.es>
Signed-off-by: Eneko Lacunza <elacu...@binovo.es>
---
debian/patches/pve/0055-vma-restore-set-cache-unsafe.patch | 14 ++++++++++++++
debian/patches/series | 1 +
2 files changed, 15 insertions(+)
create mode 100644 debian/patches/pve/0055-vma-restore-set-cache-unsafe.patch
diff --git a/debian/patches/pve/0055-vma-restore-set-cache-unsafe.patch
b/debian/patches/pve/0055-vma-restore-set-cache-unsafe.patch
new file mode 100644
index 0000000..0b12441
--- /dev/null
+++ b/debian/patches/pve/0055-vma-restore-set-cache-unsafe.patch
@@ -0,0 +1,14 @@
+Set cache unsafe for performance on write device
+Index: b/vma.c
+===================================================================
+--- a/vma.c
++++ b/vma.c
+@@ -328,6 +328,8 @@ static int extract_content(int argc, cha
+ }
+
+
++ /* Activate cache=unsafe for performance as done in qemu-img
convert */
++ flags |= BDRV_O_NO_FLUSH;
+ if (errp || !(blk = blk_new_open(devfn, NULL, options, flags,
&errp))) {
+ g_error("can't open file %s - %s", devfn,
+ error_get_pretty(errp));
diff --git a/debian/patches/series b/debian/patches/series
index c77c5da..c75fb9b 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -52,6 +52,7 @@ pve/0051-net-NET_CLIENT_OPTIONS_KIND_MAX-changed.patch
pve/0052-vnc-refactor-to-QIOChannelSocket.patch
pve/0053-vma-use-BlockBackend-on-extract.patch
pve/0054-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch
+pve/0055-vma-restore-set-cache-unsafe.patch
#see https://bugs.launchpad.net/qemu/+bug/1488363?comments=all
extra/0001-Revert-target-i386-disable-LINT0-after-reset.patch
extra/0001-i386-kvmvapic-initialise-imm32-variable.patch
--
2.1.4
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