From: Eneko Lacunza <elacu...@pve-test.binovo.net>
Signed-off-by: Eneko Lacunza <elacu...@pve-test.binovo.net>
---
.../0054-vma-force-enable-rbd-cache-for-qmrestore.patch | 17 +++++++++++++++++
debian/patches/series | 1 +
2 files changed, 18 insertions(+)
create mode 100644
debian/patches/pve/0054-vma-force-enable-rbd-cache-for-qmrestore.patch
diff --git
a/debian/patches/pve/0054-vma-force-enable-rbd-cache-for-qmrestore.patch
b/debian/patches/pve/0054-vma-force-enable-rbd-cache-for-qmrestore.patch
new file mode 100644
index 0000000..d9722c7
--- /dev/null
+++ b/debian/patches/pve/0054-vma-force-enable-rbd-cache-for-qmrestore.patch
@@ -0,0 +1,17 @@
+Issue a bogus flush so that Ceph activates rbd cache, accelerating qmrestore
to RBD.
+---
+Index: b/vma.c
+===================================================================
+--- a/vma.c
++++ b/vma.c
+@@ -335,6 +335,9 @@ static int extract_content(int argc, cha
+
+ BlockDriverState *bs = blk_bs(blk);
+
++ /* This is needed to activate rbd cache (writeback/coalesce) */
++ bdrv_flush(bs);
++
+ if (vma_reader_register_bs(vmar, i, bs, write_zero, &errp) < 0) {
+ g_error("%s", error_get_pretty(errp));
+ }
+
diff --git a/debian/patches/series b/debian/patches/series
index 3614309..c858a30 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -51,6 +51,7 @@ pve/0050-fix-possible-unitialised-return-value.patch
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-vma-force-enable-rbd-cache-for-qmrestore.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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