From: Willy Tarreau <w@1wt.eu>
Date: Tue, 7 May 2024 15:54:03 +0000 (+0200)
Subject: MEDIUM: stream: allocate without queuing when retrying
X-Git-Tag: v3.0-dev11~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b5714b45e8da2edecad1a2c5c8d5551d668ef022;p=thirdparty%2Fhaproxy.git

MEDIUM: stream: allocate without queuing when retrying

Now when trying to allocate the work buffer, we can check if we've been
notified of availability via the buf_wait callback, in which case we
should not consult the queue, or if we're doing a first allocation and
check the queue.
---

diff --git a/src/stream.c b/src/stream.c
index 234cc9c3ec..ed5c268b85 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -749,7 +749,7 @@ void stream_free(struct stream *s)
  */
 static int stream_alloc_work_buffer(struct stream *s)
 {
-	if (b_alloc(&s->res.buf, DB_CHANNEL)) {
+	if (b_alloc(&s->res.buf, DB_CHANNEL | ((s->flags & SF_MAYALLOC) ? DB_F_NOQUEUE : 0))) {
 		s->flags &= ~SF_MAYALLOC;
 		return 1;
 	}