mirror of
https://git.proxmox.com/git/mirror_zfs
synced 2025-10-31 20:33:04 +00:00
27218a32fc
This patch inserts the `static` keyword to non-global variables, which where found by the analysis tool smatch. Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13970
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
/*
|
|
* Copyright 2018 Canonical. All rights reserved.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <libaio.h>
|
|
#include <err.h>
|
|
|
|
static io_context_t io_ctx;
|
|
|
|
static void
|
|
do_sync_io(struct iocb *iocb)
|
|
{
|
|
struct io_event event;
|
|
struct iocb *iocbs[] = { iocb };
|
|
struct timespec ts = { 30, 0 };
|
|
|
|
if (io_submit(io_ctx, 1, iocbs) != 1)
|
|
err(1, "io_submit failed");
|
|
|
|
if (io_getevents(io_ctx, 0, 1, &event, &ts) != 1)
|
|
err(1, "io_getevents failed");
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
(void) argc;
|
|
char *buf;
|
|
int page_size = getpagesize();
|
|
int buf_size = strtol(argv[2], NULL, 0);
|
|
int rwfd;
|
|
struct iocb iocb;
|
|
|
|
if (io_queue_init(1024, &io_ctx))
|
|
err(1, "io_queue_init failed");
|
|
|
|
rwfd = open(argv[1], O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
|
|
if (rwfd < 0)
|
|
err(1, "open failed");
|
|
|
|
if (ftruncate(rwfd, buf_size) < 0)
|
|
err(1, "ftruncate failed");
|
|
|
|
buf = mmap(0, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rwfd, 0);
|
|
if (buf == MAP_FAILED)
|
|
err(1, "mmap failed");
|
|
|
|
(void) io_prep_pwrite(&iocb, rwfd, buf, buf_size, 0);
|
|
do_sync_io(&iocb);
|
|
|
|
(void) io_prep_pread(&iocb, rwfd, buf, buf_size, 0);
|
|
do_sync_io(&iocb);
|
|
|
|
if (close(rwfd))
|
|
err(1, "close failed");
|
|
|
|
if (io_queue_release(io_ctx) != 0)
|
|
err(1, "io_queue_release failed");
|
|
|
|
return (0);
|
|
}
|