Patchwork [13/20] gluster: Use bdrv_open options instead of filename

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Submitter Kevin Wolf
Date April 22, 2013, 11:31 a.m.
Message ID <1366630294-18984-14-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/238480/
State New
Headers show

Comments

Kevin Wolf - April 22, 2013, 11:31 a.m.
This is only to convert the internal interface that is used for passing
the "filename" to be parsed, but converting to actual fine grained
options is left for another day, as it doesn't look trivial.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 block/gluster.c | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

Patch

diff --git a/block/gluster.c b/block/gluster.c
index 9ccd4d4..3796da8 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -282,13 +282,42 @@  static int qemu_gluster_aio_flush_cb(void *opaque)
     return (s->qemu_aio_count > 0);
 }
 
-static int qemu_gluster_open(BlockDriverState *bs, const char *filename,
+/* TODO Convert to fine grained options */
+static QemuOptsList runtime_opts = {
+    .name = "gluster",
+    .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
+    .desc = {
+        {
+            .name = "filename",
+            .type = QEMU_OPT_STRING,
+            .help = "URL to the gluster image",
+        },
+        { /* end of list */ }
+    },
+};
+
+static int qemu_gluster_open(BlockDriverState *bs, const char *dummy,
     QDict *options, int bdrv_flags)
 {
     BDRVGlusterState *s = bs->opaque;
     int open_flags = O_BINARY;
     int ret = 0;
     GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
+    QemuOpts *opts;
+    Error *local_err = NULL;
+    const char *filename;
+
+    opts = qemu_opts_create_nofail(&runtime_opts);
+    qemu_opts_absorb_qdict(opts, options, &local_err);
+    if (error_is_set(&local_err)) {
+        qerror_report_err(local_err);
+        error_free(local_err);
+        ret = -EINVAL;
+        goto out;
+    }
+
+    filename = qemu_opt_get(opts, "filename");
+
 
     s->glfs = qemu_gluster_init(gconf, filename);
     if (!s->glfs) {
@@ -322,6 +351,7 @@  static int qemu_gluster_open(BlockDriverState *bs, const char *filename,
         qemu_gluster_aio_event_reader, NULL, qemu_gluster_aio_flush_cb, s);
 
 out:
+    qemu_opts_del(opts);
     qemu_gluster_gconf_free(gconf);
     if (!ret) {
         return ret;