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From 8c40036dd1ac888d9565d6d96c8478a00bce696b Mon Sep 17 00:00:00 2001
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From: Jeffrey Cody <jcody@redhat.com>
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Date: Thu, 6 Mar 2014 21:13:14 +0100
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Subject: [PATCH 04/16] block: gluster - code movements, state storage changes
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RH-Author: Jeffrey Cody <jcody@redhat.com>
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Message-id: <8b4867e7eb4ab7db9f9e7900570daf718e62851d.1394129674.git.jcody@redhat.com>
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Patchwork-id: 58040
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O-Subject: [RHEL7 qemu-kvm PATCH 1/2] block: gluster - code movements, state storage changes
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Bugzilla: 1031526
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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In preparation for supporting reopen on gluster, move flag
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parsing out to a function. Also, add a NULL check in the
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gconf cleanup.
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit 1b37b3442f78a77844fdaf7f53e5f04e4ce8f1d6)
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---
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block/gluster.c | 41 ++++++++++++++++++++++++++---------------
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1 file changed, 26 insertions(+), 15 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/gluster.c | 41 ++++++++++++++++++++++++++---------------
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1 files changed, 26 insertions(+), 15 deletions(-)
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diff --git a/block/gluster.c b/block/gluster.c
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index bf39264..95cb05a 100644
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--- a/block/gluster.c
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+++ b/block/gluster.c
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@@ -50,11 +50,13 @@ typedef struct GlusterConf {
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static void qemu_gluster_gconf_free(GlusterConf *gconf)
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{
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- g_free(gconf->server);
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- g_free(gconf->volname);
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- g_free(gconf->image);
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- g_free(gconf->transport);
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- g_free(gconf);
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+ if (gconf) {
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+ g_free(gconf->server);
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+ g_free(gconf->volname);
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+ g_free(gconf->image);
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+ g_free(gconf->transport);
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+ g_free(gconf);
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+ }
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}
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static int parse_volume_options(GlusterConf *gconf, char *path)
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@@ -296,11 +298,28 @@ static QemuOptsList runtime_opts = {
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},
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};
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+static void qemu_gluster_parse_flags(int bdrv_flags, int *open_flags)
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+{
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+ assert(open_flags != NULL);
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+
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+ *open_flags |= O_BINARY;
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+
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+ if (bdrv_flags & BDRV_O_RDWR) {
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+ *open_flags |= O_RDWR;
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+ } else {
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+ *open_flags |= O_RDONLY;
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+ }
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+
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+ if ((bdrv_flags & BDRV_O_NOCACHE)) {
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+ *open_flags |= O_DIRECT;
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+ }
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+}
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+
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static int qemu_gluster_open(BlockDriverState *bs, QDict *options,
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int bdrv_flags, Error **errp)
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{
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BDRVGlusterState *s = bs->opaque;
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- int open_flags = O_BINARY;
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+ int open_flags = 0;
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int ret = 0;
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GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
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QemuOpts *opts;
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@@ -325,15 +344,7 @@ static int qemu_gluster_open(BlockDriverState *bs, QDict *options,
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goto out;
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}
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- if (bdrv_flags & BDRV_O_RDWR) {
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- open_flags |= O_RDWR;
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- } else {
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- open_flags |= O_RDONLY;
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- }
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-
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- if ((bdrv_flags & BDRV_O_NOCACHE)) {
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- open_flags |= O_DIRECT;
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- }
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+ qemu_gluster_parse_flags(bdrv_flags, &open_flags);
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s->fd = glfs_open(s->glfs, gconf->image, open_flags);
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if (!s->fd) {
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--
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1.7.1
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