applied, this should only affect "unsafe" settings anyway as it only
applies to BDRV_OO_NO_FLUSH.
On Mon, Aug 01, 2016 at 08:51:01AM +0200, Alexandre Derumier wrote:
> Signed-off-by: Alexandre Derumier <aderum...@odiso.com>
> ---
> ...-rbd_cache_writethrough_until_flush-with-.patch | 29
> ++++++++++++++++++++++
> debian/patches/series | 1 +
> 2 files changed, 30 insertions(+)
> create mode 100644
> debian/patches/pve/0054-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch
>
> diff --git
> a/debian/patches/pve/0054-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch
>
> b/debian/patches/pve/0054-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch
> new file mode 100644
> index 0000000..e1fab0b
> --- /dev/null
> +++
> b/debian/patches/pve/0054-rbd-disable-rbd_cache_writethrough_until_flush-with-.patch
> @@ -0,0 +1,29 @@
> +From da5bf657823ed2f5a790363b5338f30be68de62b Mon Sep 17 00:00:00 2001
> +From: Alexandre Derumier <aderum...@odiso.com>
> +Date: Tue, 26 Jul 2016 16:51:00 +0200
> +Subject: [PATCH] rbd: disable rbd_cache_writethrough_until_flush with
> + cache=unsafe
> +
> +Signed-off-by: Alexandre Derumier <aderum...@odiso.com>
> +---
> + block/rbd.c | 4 ++++
> + 1 file changed, 4 insertions(+)
> +
> +diff --git a/block/rbd.c b/block/rbd.c
> +index 5bc5b32..5656028 100644
> +--- a/block/rbd.c
> ++++ b/block/rbd.c
> +@@ -544,6 +544,10 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict
> *options, int flags,
> + rados_conf_set(s->cluster, "rbd_cache", "true");
> + }
> +
> ++ if (flags & BDRV_O_NO_FLUSH) {
> ++ rados_conf_set(s->cluster, "rbd_cache_writethrough_until_flush",
> "false");
> ++ }
> ++
> + r = rados_connect(s->cluster);
> + if (r < 0) {
> + error_setg(errp, "error connecting");
> +--
> +2.1.4
> +
> diff --git a/debian/patches/series b/debian/patches/series
> index 3614309..c77c5da 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-rbd-disable-rbd_cache_writethrough_until_flush-with-.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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> pve-devel@pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
>
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