|
 |
4bc433 |
From 7681f2d05470b8c8850346bcf12e525f628941b3 Mon Sep 17 00:00:00 2001
|
|
|
4bc433 |
From: Colin Ian King <colin.i.king@gmail.com>
|
|
|
4bc433 |
Date: Mon, 21 Nov 2022 12:46:54 +0000
|
|
|
4bc433 |
Subject: [PATCH 3/3] stress-shm: move /dev/shm check to earlier in the setup
|
|
|
4bc433 |
phase
|
|
|
4bc433 |
|
|
|
4bc433 |
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
|
|
|
4bc433 |
---
|
|
|
4bc433 |
stress-shm.c | 23 +++++++++++------------
|
|
|
4bc433 |
1 file changed, 11 insertions(+), 12 deletions(-)
|
|
|
4bc433 |
|
|
|
4bc433 |
diff --git a/stress-shm.c b/stress-shm.c
|
|
|
4bc433 |
index 4e6327ac97d4..a9c26498024e 100644
|
|
|
4bc433 |
--- a/stress-shm.c
|
|
|
4bc433 |
+++ b/stress-shm.c
|
|
|
4bc433 |
@@ -122,18 +122,6 @@ static int stress_shm_posix_child(
|
|
|
4bc433 |
const size_t page_size = args->page_size;
|
|
|
4bc433 |
struct sigaction sa;
|
|
|
4bc433 |
|
|
|
4bc433 |
-#if defined(__linux__)
|
|
|
4bc433 |
- /*
|
|
|
4bc433 |
- * /dev/shm should be mounted with tmpfs and
|
|
|
4bc433 |
- * be writeable, if not shm_open will fail
|
|
|
4bc433 |
- */
|
|
|
4bc433 |
- if (access("/dev/shm", W_OK) < 0) {
|
|
|
4bc433 |
- pr_inf("%s: cannot access /dev/shm for writes, errno=%d (%s) skipping stressor\n",
|
|
|
4bc433 |
- args->name, errno, strerror(errno));
|
|
|
4bc433 |
- return EXIT_NO_RESOURCE;
|
|
|
4bc433 |
- }
|
|
|
4bc433 |
-#endif
|
|
|
4bc433 |
-
|
|
|
4bc433 |
addrs = calloc(shm_posix_objects, sizeof(*addrs));
|
|
|
4bc433 |
if (!addrs) {
|
|
|
4bc433 |
pr_fail("%s: calloc on addrs failed, out of memory\n", args->name);
|
|
|
4bc433 |
@@ -384,6 +372,17 @@ static int stress_shm(const stress_args_t *args)
|
|
|
4bc433 |
}
|
|
|
4bc433 |
orig_sz = sz = shm_posix_bytes & ~(page_size - 1);
|
|
|
4bc433 |
|
|
|
4bc433 |
+#if defined(__linux__)
|
|
|
4bc433 |
+ /*
|
|
|
4bc433 |
+ * /dev/shm should be mounted with tmpfs and
|
|
|
4bc433 |
+ * be writeable, if not shm_open will fail
|
|
|
4bc433 |
+ */
|
|
|
4bc433 |
+ if (access("/dev/shm", W_OK) < 0) {
|
|
|
4bc433 |
+ pr_inf("%s: cannot access /dev/shm for writes, errno=%d (%s) skipping stressor\n",
|
|
|
4bc433 |
+ args->name, errno, strerror(errno));
|
|
|
4bc433 |
+ return EXIT_NO_RESOURCE;
|
|
|
4bc433 |
+ }
|
|
|
4bc433 |
+#endif
|
|
|
4bc433 |
stress_set_proc_state(args->name, STRESS_STATE_RUN);
|
|
|
4bc433 |
|
|
|
4bc433 |
while (keep_stressing_flag() && retry) {
|
|
|
4bc433 |
--
|
|
|
4bc433 |
2.38.1
|
|
|
4bc433 |
|