Am 27.06.2012 00:26, schrieb MORITA Kazutaka: > This removes blocking network I/Os in coroutine context. > > Signed-off-by: MORITA Kazutaka <morita.kazut...@lab.ntt.co.jp> > --- > block/sheepdog.c | 10 ++++++++-- > 1 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/block/sheepdog.c b/block/sheepdog.c > index 0b49c6d..5dc1d7a 100644 > --- a/block/sheepdog.c > +++ b/block/sheepdog.c > @@ -541,11 +541,18 @@ static coroutine_fn int send_co_req(int sockfd, > SheepdogReq *hdr, void *data, > return ret; > } > > +static coroutine_fn int do_co_req(int sockfd, SheepdogReq *hdr, void *data, > + unsigned int *wlen, unsigned int *rlen); > + > static int do_req(int sockfd, SheepdogReq *hdr, void *data, > unsigned int *wlen, unsigned int *rlen) > { > int ret; > > + if (qemu_in_coroutine()) { > + return do_co_req(sockfd, hdr, data, wlen, rlen); > + } > + > socket_set_block(sockfd); > ret = send_req(sockfd, hdr, data, wlen); > if (ret < 0) {
How about replacing the non-coroutine implementation by code that creates a new coroutine and executes do_co_req() as well? This would reduce some code duplication. Kevin