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examples/fio_plugin: don't allow starting in daemonized fio server

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A nice message about not supporting fio daemon mode is
better than seeing CRC errors.

Resolves #1118

Change-Id: I274e7a053e2fa464e26a19bf2b8b76395ad40e7c
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/575
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Darek Stojaczyk 2020-02-05 17:38:47 +01:00 committed by Tomasz Zawadzki
parent abb942bda1
commit 9ad234a121
2 changed files with 28 additions and 0 deletions
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14
examples/bdev/fio_plugin/fio_plugin.c
View File

@ -405,6 +405,20 @@ spdk_fio_setup(struct thread_data *td)
unsigned int i;
struct fio_file *f;
/* we might be running in a daemonized FIO instance where standard
* input and output were closed and fds 0, 1, and 2 are reused
* for something important by FIO. We can't ensure we won't print
* anything (and so will our dependencies, e.g. DPDK), so abort early.
* (is_backend is an fio global variable)
*/
if (is_backend) {
char buf[1024];
snprintf(buf, sizeof(buf),
"SPDK FIO plugin won't work with daemonized FIO server.");
fio_server_text_output(FIO_LOG_ERR, buf, sizeof(buf));
return -1;
}
if (!td->o.use_thread) {
SPDK_ERRLOG("must set thread=1 when using spdk plugin\n");
return -1;

14
examples/nvme/fio_plugin/fio_plugin.c
View File

@ -372,6 +372,20 @@ static int spdk_fio_setup(struct thread_data *td)
char *trid_info;
unsigned int i;
/* we might be running in a daemonized FIO instance where standard
* input and output were closed and fds 0, 1, and 2 are reused
* for something important by FIO. We can't ensure we won't print
* anything (and so will our dependencies, e.g. DPDK), so abort early.
* (is_backend is an fio global variable)
*/
if (is_backend) {
char buf[1024];
snprintf(buf, sizeof(buf),
"SPDK FIO plugin won't work with daemonized FIO server.");
fio_server_text_output(FIO_LOG_ERR, buf, sizeof(buf));
return -1;
}
if (!td->o.use_thread) {
log_err("spdk: must set thread=1 when using spdk plugin\n");
return 1;