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bdev/fio_plugin: Keep polling the admin queue while running

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This allows NVMe-oF to process keep alive requests.

Change-Id: I8f090cf3de894e00e85121ac2fb207266979e08d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/414481
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
This commit is contained in:
Ben Walker 2018-06-08 15:02:59 -07:00 committed by Jim Harris
parent ca88f46a2d
commit 45afbff73f
1 changed files with 45 additions and 0 deletions
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45
examples/bdev/fio_plugin/fio_plugin.c
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@ -95,6 +95,7 @@ struct spdk_fio_thread {
};
static struct spdk_fio_thread *g_init_thread = NULL;
static pthread_t g_init_thread_id = 0;
static bool g_spdk_env_initialized = false;
static int spdk_fio_init(struct thread_data *td);
@ -207,6 +208,36 @@ spdk_fio_init_thread(struct thread_data *td)
return 0;
}
static void *
spdk_init_thread_poll(void *arg)
{
struct spdk_fio_thread *thread = arg;
int oldstate;
int rc;
/* Loop until the thread is cancelled */
while (true) {
rc = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate);
if (rc != 0) {
SPDK_ERRLOG("Unable to set cancel state disabled on g_init_thread (%d): %s\n",
rc, spdk_strerror(rc));
}
spdk_fio_poll_thread(thread);
rc = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
if (rc != 0) {
SPDK_ERRLOG("Unable to set cancel state enabled on g_init_thread (%d): %s\n",
rc, spdk_strerror(rc));
}
/* This is a pthread cancellation point and cannot be removed. */
sleep(1);
}
return NULL;
}
static int
spdk_fio_init_env(struct thread_data *td)
{
@ -288,6 +319,16 @@ spdk_fio_init_env(struct thread_data *td)
count = spdk_fio_poll_thread(fio_thread);
} while (count > 0);
/*
* Spawn a thread to continue polling this thread
* occasionally.
*/
rc = pthread_create(&g_init_thread_id, NULL, &spdk_init_thread_poll, fio_thread);
if (rc != 0) {
SPDK_ERRLOG("Unable to spawn thread to poll admin queue. It won't be polled.\n");
}
return 0;
}
@ -700,6 +741,10 @@ spdk_fio_finish_env(void)
/* the same thread that called spdk_fio_init_env */
fio_thread = g_init_thread;
if (pthread_cancel(g_init_thread_id) == 0) {
pthread_join(g_init_thread_id, NULL);
}
spdk_bdev_finish(spdk_fio_module_finish_done, &done);
do {