From 3371a1bca601d4bf192b4820cec2633fa7c12056 Mon Sep 17 00:00:00 2001 Message-Id: <3371a1bca601d4bf192b4820cec2633fa7c12056.1376492227.git.minovotn@redhat.com> In-Reply-To: <276ddced7c9181cce17d0ff9eb080f99dcfe0ac3.1376492227.git.minovotn@redhat.com> References: <276ddced7c9181cce17d0ff9eb080f99dcfe0ac3.1376492227.git.minovotn@redhat.com> From: Asias He Date: Wed, 14 Aug 2013 10:24:23 +0200 Subject: [PATCH 22/22] gluster: Handle BDRV_O_CACHE_WB in gluster driver RH-Author: Asias He Message-id: <1376475863-27929-18-git-send-email-asias@redhat.com> Patchwork-id: 53404 O-Subject: [RHEL6.5 qemu-kvm PATCH v4 17/17] gluster: Handle BDRV_O_CACHE_WB in gluster driver Bugzilla: 848070 RH-Acked-by: Kevin Wolf RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Jeffrey Cody Unlike upstream, BDRV_O_CACHE_WB is handled by the individual protocol drivers on RHEL6. This is a RHEL6 downstream only patch. Signed-off-by: Asias He --- block/gluster.c | 4 ++++ 1 file changed, 4 insertions(+) Signed-off-by: Michal Novotny --- block/gluster.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block/gluster.c b/block/gluster.c index 5544c3a..c94d402 100644 --- a/block/gluster.c +++ b/block/gluster.c @@ -306,6 +306,10 @@ static int qemu_gluster_open(BlockDriverState *bs, const char *filename, open_flags |= O_DIRECT; } + if (!(bdrv_flags & BDRV_O_CACHE_WB)) { + open_flags |= O_DSYNC; + } + s->fd = glfs_open(s->glfs, gconf->image, open_flags); if (!s->fd) { ret = -errno; -- 1.7.11.7