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authorKevin Wolf <kwolf@redhat.com>2013-04-12 18:05:35 +0200
committerKevin Wolf <kwolf@redhat.com>2013-04-22 10:27:59 +0200
commita9ccedc3daa06723821663c6b3b02c1760035bb9 (patch)
treeea4f0967d07288a2c937c0dbc282fffab20d6bc7
parent60beb3412dfa9a6341338c93d0ef44312a9c4f66 (diff)
rbd: Use bdrv_open options instead of filename
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>
-rw-r--r--block/rbd.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/block/rbd.c b/block/rbd.c
index 141b488968..0d68145881 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -441,7 +441,21 @@ static int qemu_rbd_aio_flush_cb(void *opaque)
return (s->qemu_aio_count > 0);
}
-static int qemu_rbd_open(BlockDriverState *bs, const char *filename,
+/* TODO Convert to fine grained options */
+static QemuOptsList runtime_opts = {
+ .name = "rbd",
+ .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
+ .desc = {
+ {
+ .name = "filename",
+ .type = QEMU_OPT_STRING,
+ .help = "Specification of the rbd image",
+ },
+ { /* end of list */ }
+ },
+};
+
+static int qemu_rbd_open(BlockDriverState *bs, const char *dummy,
QDict *options, int flags)
{
BDRVRBDState *s = bs->opaque;
@@ -450,8 +464,23 @@ static int qemu_rbd_open(BlockDriverState *bs, const char *filename,
char conf[RBD_MAX_CONF_SIZE];
char clientname_buf[RBD_MAX_CONF_SIZE];
char *clientname;
+ QemuOpts *opts;
+ Error *local_err = NULL;
+ const char *filename;
int r;
+ 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);
+ qemu_opts_del(opts);
+ return -EINVAL;
+ }
+
+ filename = qemu_opt_get(opts, "filename");
+ qemu_opts_del(opts);
+
if (qemu_rbd_parsename(filename, pool, sizeof(pool),
snap_buf, sizeof(snap_buf),
s->name, sizeof(s->name),