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File 0001-Do-not-always-expect-multishot-recv-to-stop-posting-.patch of Package liburing (Revision 26196304db43cb0a430563487704435b)

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From: Dylan Yudaken <dylany@meta.com>
Date: Mon, 7 Nov 2022 05:04:04 -0800
Subject: Do not always expect multishot recv to stop posting events
Patch-mainline: yes
Git-commit: 0d4fdb416718a70a4a90c5c4722b38cf44849195
References: kernel 6.2

Later kernels can have a fix that does not stop multishot from posting
events, and would just continue in overflow mode.

Signed-off-by: Dylan Yudaken <dylany@meta.com>
Link: https://lore.kernel.org/r/20221107130404.360691-1-dylany@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 test/recv-multishot.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/test/recv-multishot.c b/test/recv-multishot.c
index 2cfe6898..ed26a5f7 100644
--- a/test/recv-multishot.c
+++ b/test/recv-multishot.c
@@ -264,11 +264,19 @@ static int test(struct args *args)
 
 		bool const is_last = i == recv_cqes - 1;
 
+		/*
+		 * Older kernels could terminate multishot early due to overflow,
+		 * but later ones will not. So discriminate based on the MORE flag.
+		 */
+		bool const early_last = args->early_error == ERROR_EARLY_OVERFLOW &&
+					!args->wait_each &&
+					i == N_CQE_OVERFLOW &&
+					!(cqe->flags & IORING_CQE_F_MORE);
+
 		bool const should_be_last =
 			(cqe->res <= 0) ||
 			(args->stream && is_last) ||
-			(args->early_error == ERROR_EARLY_OVERFLOW &&
-			 !args->wait_each && i == N_CQE_OVERFLOW);
+			early_last;
 		int *this_recv;
 		int orig_payload_size = cqe->res;
 
-- 
2.35.3

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File 0001-Do-not-always-expect-multishot-recv-to-stop-posting-.patch of Package liburing (Revision 26196304db43cb0a430563487704435b)

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