Handle single chunk writev as normal write.
>From some test more than 60% of the times writev is called with 1 as
counter. We can easily and very cheaply turn this call to a simpler
write avoiding the need to pass the array to the kernel.
Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
server/reds-stream.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/server/reds-stream.c b/server/reds-stream.c
index a813a8b..84f2a7e 100644
--- a/server/reds-stream.c
+++ b/server/reds-stream.c
@@ -304,7 +304,7 @@ ssize_t reds_stream_writev(RedsStream *s, const struct iovec *iov, int iovcnt)
int n;
ssize_t ret = 0;
- if (s->priv->writev != NULL) {
+ if (s->priv->writev != NULL && iovcnt > 1) {
return s->priv->writev(s, iov, iovcnt);
}
--
2.9.3
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