From: Jens Axboe <axboe@kernel.dk>
Date: Sun, 13 Jan 2019 21:22:03 +0000 (-0700)
Subject: t/io_uring: only call setrlimit() for fixedbufs
X-Git-Tag: fio-3.13~23
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b3ce355dc217876b762d43dff663bbb45e5da653;p=fio.git

t/io_uring: only call setrlimit() for fixedbufs

It's root only.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/t/io_uring.c b/t/io_uring.c
index b9712622..71443404 100644
--- a/t/io_uring.c
+++ b/t/io_uring.c
@@ -473,7 +473,6 @@ int main(int argc, char *argv[])
 	struct submitter *s = &submitters[0];
 	unsigned long done, calls, reap, cache_hit, cache_miss;
 	int err, i, flags, fd;
-	struct rlimit rlim;
 	void *ret;
 
 	if (!do_nop && argc < 2) {
@@ -510,11 +509,15 @@ int main(int argc, char *argv[])
 		i++;
 	}
 
-	rlim.rlim_cur = RLIM_INFINITY;
-	rlim.rlim_max = RLIM_INFINITY;
-	if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0) {
-		perror("setrlimit");
-		return 1;
+	if (fixedbufs) {
+		struct rlimit rlim;
+
+		rlim.rlim_cur = RLIM_INFINITY;
+		rlim.rlim_max = RLIM_INFINITY;
+		if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0) {
+			perror("setrlimit");
+			return 1;
+		}
 	}
 
 	arm_sig_int();