On 07/27/2012 08:01 PM, levin li wrote:
> +retry:
> if (sys->enable_write_cache && object_is_cached(oid)) {
> ret = object_cache_write(oid, data, datalen, offset,
> flags, create);
> + if (ret == SD_RES_NO_CACHE)
> + goto retry;
> +
> if (ret != 0) {
> eprintf("write cache failed %"PRIx64" %"PRIx32"\n",
> oid, ret);
> @@ -529,8 +533,12 @@ int read_object(uint64_t oid, char *data, unsigned int datalen,
> struct sd_req hdr;
> int ret;
>
> +retry:
> if (sys->enable_write_cache && object_is_cached(oid)) {
> ret = object_cache_read(oid, data, datalen, offset);
> + if (ret == SD_RES_NO_CACHE)
> + goto retry;
> +
> if (ret != SD_RES_SUCCESS) {
> eprintf("try forward read %"PRIx64" %"PRIx32"\n",
> oid, ret);
we don't need goto retry, just break out and read/write the backend store if ret == SD_RES_NO_CACHE.
--
thanks,
Yuan
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