[LTP] [PATCH v3] Refactoring aiodio_sparse.c using LTP API
Andrea Cervesato
andrea.cervesato@suse.com
Mon Dec 20 12:06:26 CET 2021
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
runtest/ltp-aiodio.part2 | 163 ++++----
.../kernel/io/ltp-aiodio/aiodio_sparse.c | 380 ++++++------------
2 files changed, 214 insertions(+), 329 deletions(-)
diff --git a/runtest/ltp-aiodio.part2 b/runtest/ltp-aiodio.part2
index bed5841bc..599c9fd2f 100644
--- a/runtest/ltp-aiodio.part2
+++ b/runtest/ltp-aiodio.part2
@@ -1,84 +1,83 @@
ADSP000 aiodio_sparse
ADSP001 aiodio_sparse -s 180k
-ADSP002 aiodio_sparse -dd -s 1751k -w 11k
-ADSP003 aiodio_sparse -i 9 -d -s 180k -w 18k
-ADSP004 aiodio_sparse -i 2 -a 2k -w 2k -s 4k -n 2
-ADSP005 aiodio_sparse -i 2 -a 4k -w 4k -s 8k -n 2
-ADSP006 aiodio_sparse -i 2 -a 4k -w 4k -s 8k -n 2
-ADSP007 aiodio_sparse -i 4 -a 8k -w 8k -s 32k -n 2
-ADSP008 aiodio_sparse -i 4 -a 8k -w 16k -s 64k -n 2
-ADSP009 aiodio_sparse -i 4 -a 8k -w 32k -s 128k -n 2
-ADSP010 aiodio_sparse -i 4 -a 8k -w 64k -s 256k -n 2
-ADSP011 aiodio_sparse -i 4 -a 8k -w 128k -s 512k -n 2
-ADSP012 aiodio_sparse -i 4 -a 8k -w 256k -s 1024k -n 2
-ADSP013 aiodio_sparse -i 4 -a 8k -w 512k -s 2048k -n 2
-ADSP014 aiodio_sparse -i 4 -a 8k -w 1024k -s 4096k -n 2
-ADSP015 aiodio_sparse -i 4 -a 8k -w 2048k -s 8192k -n 2
-ADSP016 aiodio_sparse -i 4 -a 8k -w 4096k -s 16384k -n 2
-ADSP017 aiodio_sparse -i 4 -a 8k -w 8192k -s 32768k -n 2
-ADSP018 aiodio_sparse -i 4 -a 8k -w 16384k -s 65536k -n 2
-ADSP019 aiodio_sparse -i 4 -a 8k -w 16384k -s 65536k -n 4
-ADSP020 aiodio_sparse -i 4 -a 8k -w 16384k -s 65536k -n 6
-ADSP021 aiodio_sparse -i 4 -a 8k -w 128k -s 512k -n 6
-ADSP022 aiodio_sparse -i 4 -a 8k -w 256k -s 1024k -n 6
-ADSP023 aiodio_sparse -i 4 -a 8k -w 512k -s 2048k -n 6
-ADSP024 aiodio_sparse -i 4 -a 8k -w 1024k -s 4096k -n 6
-ADSP025 aiodio_sparse -i 4 -a 8k -w 2048k -s 8192k -n 6
-ADSP026 aiodio_sparse -i 4 -a 8k -w 4096k -s 16384k -n 6
-ADSP027 aiodio_sparse -i 4 -a 8k -w 18192k -s 72768k -n 6
-ADSP028 aiodio_sparse -i 4 -a 8k -w 18192k -s 518192k -n 6
-ADSP029 aiodio_sparse -i 4 -a 8k -w 65536k -s 262144k -n 6
-ADSP030 aiodio_sparse -i 6 -a 8k -w 65536k -n 6
-ADSP031 aiodio_sparse -i 8 -a 8k -w 128k -s 1024k -n 6
-ADSP032 aiodio_sparse -i 16 -a 8k -w 256k -s 4096k -n 6
-ADSP033 aiodio_sparse -i 32 -a 8k -w 512k -s 16384k -n 6
-ADSP034 aiodio_sparse -i 64 -a 8k -w 1024k -s 65536k -n 6
-ADSP035 aiodio_sparse -i 4 -a 8k -w 4096k -s 16384k -n 32
-ADSP036 aiodio_sparse -i 4 -a 8k -w 4096k -s 16384k -n 64
-ADSP037 aiodio_sparse -i 4 -a 8k -w 18192k -s 72768k -n 128
-ADSP038 aiodio_sparse -i 4 -a 8k -w 18192k -n 512
-ADSP039 aiodio_sparse -i 4 -a 8k -w 18192k -n 1000
-ADSP040 dio_sparse
-ADSP041 dio_sparse -s 180k
-ADSP042 dio_sparse -s 1751k -w 11k
-ADSP043 dio_sparse -s 180k -w 18k
-ADSP044 dio_sparse -w 2k -s 2k -n 2
-ADSP045 dio_sparse -w 4k -s 2k -n 2
-ADSP046 dio_sparse -w 4k -s 4k -n 2
-ADSP047 dio_sparse -w 16k -s 16k -n 2
-ADSP048 dio_sparse -w 32k -s 32k -n 2
-ADSP049 dio_sparse -w 64k -s 64k -n 2
-ADSP050 dio_sparse -w 128k -s 128k -n 2
-ADSP051 dio_sparse -w 256k -s 256k -n 2
-ADSP052 dio_sparse -w 512k -s 512k -n 2
-ADSP053 dio_sparse -w 1024k -s 1024k -n 2
-ADSP054 dio_sparse -w 2048k -s 2048k -n 2
-ADSP055 dio_sparse -w 4096k -s 4096k -n 2
-ADSP056 dio_sparse -w 8192k -s 8192k -n 2
-ADSP057 dio_sparse -w 18192k -s 18192k -n 2
-ADSP058 dio_sparse -w 518192k -s 518192k -n 2
-ADSP059 dio_sparse -w 58192k -s 58192k -n 4
-ADSP060 dio_sparse -w 58192k -s 58192k -n 6
-ADSP061 dio_sparse -w 256k -s 256k -n 6
-ADSP062 dio_sparse -w 512k -s 512k -n 6
-ADSP063 dio_sparse -w 1024k -s 1024k -n 6
-ADSP064 dio_sparse -w 2048k -s 2048k -n 6
-ADSP065 dio_sparse -w 2048k -s 4096k -n 6
-ADSP066 dio_sparse -w 8192k -s 8192k -n 6
-ADSP067 dio_sparse -w 18192k -s 18192k -n 6
-ADSP068 dio_sparse -w 58192k -s 518192k -n 6
-ADSP069 dio_sparse -w 518192k -s 518192k -n 6
-ADSP070 dio_sparse -w 1024k -s 2048k -n 6
-ADSP071 dio_sparse -w 4096k -s 4096k -n 32
-ADSP072 dio_sparse -w 8192k -s 8192k -n 64
-ADSP073 dio_sparse -w 518192k -s 18192k -n 128
-ADSP074 dio_sparse -w 518192k -s 518192k -n 512
-ADSP075 dio_sparse -w 518192k -s 518192k -n 1000
-ADSP076 dio_sparse -w 4k -s 2k -o 2k -n 2
-ADSP077 dio_sparse -w 2k -s 1k -o 1k -n 2
-ADSP078 dio_sparse -w 1k -s 512 -o 512 -n 2
-ADSP079 dio_sparse -w 4k -s 2k -o 3k -n 2
-ADSP080 dio_sparse -w 4k -s 4k -o 4k -n 2
-ADSP081 dio_sparse -w 4k -s 4k -o 6k -n 2
-ADSP082 dio_sparse -w 4k -s 4k -o 8k -n 2
-ADSP083 dio_sparse -w 16k -s 8k -o 8k -n 2
+ADSP002 aiodio_sparse -s 1751k -w 11k
+ADSP003 aiodio_sparse -o 9 -s 180k -w 18k
+ADSP004 aiodio_sparse -o 2 -w 2k -s 4k -n 2
+ADSP005 aiodio_sparse -o 2 -w 4k -s 8k -n 2
+ADSP006 aiodio_sparse -o 4 -w 8k -s 32k -n 2
+ADSP007 aiodio_sparse -o 4 -w 16k -s 64k -n 2
+ADSP008 aiodio_sparse -o 4 -w 32k -s 128k -n 2
+ADSP009 aiodio_sparse -o 4 -w 64k -s 256k -n 2
+ADSP010 aiodio_sparse -o 4 -w 128k -s 512k -n 2
+ADSP011 aiodio_sparse -o 4 -w 256k -s 1024k -n 2
+ADSP012 aiodio_sparse -o 4 -w 512k -s 2048k -n 2
+ADSP013 aiodio_sparse -o 4 -w 1024k -s 4096k -n 2
+ADSP014 aiodio_sparse -o 4 -w 2048k -s 8192k -n 2
+ADSP015 aiodio_sparse -o 4 -w 4096k -s 16384k -n 2
+ADSP016 aiodio_sparse -o 4 -w 8192k -s 32768k -n 2
+ADSP017 aiodio_sparse -o 4 -w 16384k -s 65536k -n 2
+ADSP018 aiodio_sparse -o 4 -w 16384k -s 65536k -n 4
+ADSP019 aiodio_sparse -o 4 -w 16384k -s 65536k -n 6
+ADSP020 aiodio_sparse -o 4 -w 128k -s 512k -n 6
+ADSP021 aiodio_sparse -o 4 -w 256k -s 1024k -n 6
+ADSP022 aiodio_sparse -o 4 -w 512k -s 2048k -n 6
+ADSP023 aiodio_sparse -o 4 -w 1024k -s 4096k -n 6
+ADSP024 aiodio_sparse -o 4 -w 2048k -s 8192k -n 6
+ADSP025 aiodio_sparse -o 4 -w 4096k -s 16384k -n 6
+ADSP026 aiodio_sparse -o 4 -w 18192k -s 72768k -n 6
+ADSP027 aiodio_sparse -o 4 -w 18192k -s 518192k -n 6
+ADSP028 aiodio_sparse -o 4 -w 65536k -s 262144k -n 6
+ADSP029 aiodio_sparse -o 6 -w 65536k -n 6
+ADSP030 aiodio_sparse -o 8 -w 128k -s 1024k -n 6
+ADSP031 aiodio_sparse -o 16 -w 256k -s 4096k -n 6
+ADSP032 aiodio_sparse -o 32 -w 512k -s 16384k -n 6
+ADSP033 aiodio_sparse -o 64 -w 1024k -s 65536k -n 6
+ADSP034 aiodio_sparse -o 4 -w 4096k -s 16384k -n 32
+ADSP035 aiodio_sparse -o 4 -w 4096k -s 16384k -n 64
+ADSP036 aiodio_sparse -o 4 -w 18192k -s 72768k -n 128
+ADSP037 aiodio_sparse -o 4 -w 18192k -n 512
+ADSP038 aiodio_sparse -o 4 -w 18192k -n 1000
+ADSP039 dio_sparse
+ADSP040 dio_sparse -s 180k
+ADSP041 dio_sparse -s 1751k -w 11k
+ADSP042 dio_sparse -s 180k -w 18k
+ADSP043 dio_sparse -w 2k -s 2k -n 2
+ADSP044 dio_sparse -w 4k -s 2k -n 2
+ADSP045 dio_sparse -w 4k -s 4k -n 2
+ADSP046 dio_sparse -w 16k -s 16k -n 2
+ADSP047 dio_sparse -w 32k -s 32k -n 2
+ADSP048 dio_sparse -w 64k -s 64k -n 2
+ADSP049 dio_sparse -w 128k -s 128k -n 2
+ADSP050 dio_sparse -w 256k -s 256k -n 2
+ADSP051 dio_sparse -w 512k -s 512k -n 2
+ADSP052 dio_sparse -w 1024k -s 1024k -n 2
+ADSP053 dio_sparse -w 2048k -s 2048k -n 2
+ADSP054 dio_sparse -w 4096k -s 4096k -n 2
+ADSP055 dio_sparse -w 8192k -s 8192k -n 2
+ADSP056 dio_sparse -w 18192k -s 18192k -n 2
+ADSP057 dio_sparse -w 518192k -s 518192k -n 2
+ADSP058 dio_sparse -w 58192k -s 58192k -n 4
+ADSP059 dio_sparse -w 58192k -s 58192k -n 6
+ADSP060 dio_sparse -w 256k -s 256k -n 6
+ADSP061 dio_sparse -w 512k -s 512k -n 6
+ADSP062 dio_sparse -w 1024k -s 1024k -n 6
+ADSP063 dio_sparse -w 2048k -s 2048k -n 6
+ADSP064 dio_sparse -w 2048k -s 4096k -n 6
+ADSP065 dio_sparse -w 8192k -s 8192k -n 6
+ADSP066 dio_sparse -w 18192k -s 18192k -n 6
+ADSP067 dio_sparse -w 58192k -s 518192k -n 6
+ADSP068 dio_sparse -w 518192k -s 518192k -n 6
+ADSP069 dio_sparse -w 1024k -s 2048k -n 6
+ADSP070 dio_sparse -w 4096k -s 4096k -n 32
+ADSP071 dio_sparse -w 8192k -s 8192k -n 64
+ADSP072 dio_sparse -w 518192k -s 18192k -n 128
+ADSP073 dio_sparse -w 518192k -s 518192k -n 512
+ADSP074 dio_sparse -w 518192k -s 518192k -n 1000
+ADSP075 dio_sparse -w 4k -s 2k -o 2k -n 2
+ADSP076 dio_sparse -w 2k -s 1k -o 1k -n 2
+ADSP077 dio_sparse -w 1k -s 512 -o 512 -n 2
+ADSP078 dio_sparse -w 4k -s 2k -o 3k -n 2
+ADSP079 dio_sparse -w 4k -s 4k -o 4k -n 2
+ADSP080 dio_sparse -w 4k -s 4k -o 6k -n 2
+ADSP081 dio_sparse -w 4k -s 4k -o 8k -n 2
+ADSP082 dio_sparse -w 16k -s 8k -o 8k -n 2
diff --git a/testcases/kernel/io/ltp-aiodio/aiodio_sparse.c b/testcases/kernel/io/ltp-aiodio/aiodio_sparse.c
index 4767f49d2..f7cb8e2a2 100644
--- a/testcases/kernel/io/ltp-aiodio/aiodio_sparse.c
+++ b/testcases/kernel/io/ltp-aiodio/aiodio_sparse.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2004 Daniel McNeil <daniel@osdl.org>
* 2004 Open Source Development Lab
@@ -5,63 +6,55 @@
* Copyright (c) 2004 Marty Ridgeway <mridge@us.ibm.com>
*
* Copyright (c) 2011 Cyril Hrubis <chrubis@suse.cz>
+ * Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/*\
+ * [Description]
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Create a sparse file using libaio while other processes are doing
+ * buffered reads and check if the buffer reads always see zero.
*/
#define _GNU_SOURCE
-#include <stdlib.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/wait.h>
-#include <limits.h>
-#include <getopt.h>
-
-
-#include "config.h"
-#include "test.h"
-#include "safe_macros.h"
-
-char *TCID = "aiodio_sparse";
-int TST_TOTAL = 1;
+#include "tst_test.h"
#ifdef HAVE_LIBAIO
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <unistd.h>
#include <libaio.h>
+#include "common.h"
-#define NUM_CHILDREN 1000
+static int *run_child;
-int debug;
-int fd;
+static char *str_numchildren;
+static char *str_writesize;
+static char *str_filesize;
+static char *str_numaio;
-static void setup(void);
-static void cleanup(void);
-static void usage(void);
+static int numchildren;
+static long long writesize;
+static long long filesize;
+static long long alignment;
+static int numaio;
-#include "common_sparse.h"
+static void check_event(struct io_event event)
+{
+ struct iocb *iocbp;
+
+ iocbp = (struct iocb *)event.obj;
+ if (event.res2 != 0 || event.res != iocbp->u.c.nbytes)
+ tst_brk(TBROK,
+ "AIO write offset %lld expected %ld got %ld",
+ iocbp->u.c.offset, iocbp->u.c.nbytes,
+ event.res);
+}
-/*
- * do async DIO writes to a sparse file
- */
-int aiodio_sparse(int fd, int align, int writesize, int filesize, int num_aio)
+static void aiodio_sparse(char *filename, long long align, long long ws, long long fs, int naio)
{
+ int fd;
int i, w;
struct iocb **iocbs;
off_t offset;
@@ -69,103 +62,64 @@ int aiodio_sparse(int fd, int align, int writesize, int filesize, int num_aio)
struct io_event event;
int aio_inflight;
- if ((num_aio * writesize) > filesize)
- num_aio = filesize / writesize;
+ if ((naio * ws) > fs)
+ naio = fs / ws;
+
+ fd = SAFE_OPEN(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666);
+ SAFE_FTRUNCATE(fd, fs);
memset(&myctx, 0, sizeof(myctx));
- io_queue_init(num_aio, &myctx);
+ io_queue_init(naio, &myctx);
- iocbs = malloc(sizeof(struct iocb *) * num_aio);
- for (i = 0; i < num_aio; i++) {
- if ((iocbs[i] = malloc(sizeof(struct iocb))) == 0) {
- tst_resm(TBROK | TERRNO, "malloc()");
- return 1;
- }
- }
+ iocbs = SAFE_MALLOC(sizeof(struct iocb *) * naio);
+ for (i = 0; i < naio; i++)
+ iocbs[i] = SAFE_MALLOC(sizeof(struct iocb));
/*
* allocate the iocbs array and iocbs with buffers
*/
offset = 0;
- for (i = 0; i < num_aio; i++) {
+ for (i = 0; i < naio; i++) {
void *bufptr;
- TEST(posix_memalign(&bufptr, align, writesize));
- if (TEST_RETURN) {
- tst_resm(TBROK | TRERRNO, "cannot allocate aligned memory");
- return 1;
- }
- memset(bufptr, 0, writesize);
- io_prep_pwrite(iocbs[i], fd, bufptr, writesize, offset);
- offset += writesize;
+ bufptr = SAFE_MEMALIGN(align, ws);
+ memset(bufptr, 0, ws);
+ io_prep_pwrite(iocbs[i], fd, bufptr, ws, offset);
+ offset += ws;
}
/*
- * start the 1st num_aio write requests
+ * start the 1st naio write requests
*/
- if ((w = io_submit(myctx, num_aio, iocbs)) < 0) {
- tst_resm(TBROK, "io_submit() returned %i", w);
- return 1;
- }
-
- if (debug)
- tst_resm(TINFO, "io_submit() returned %d", w);
+ w = io_submit(myctx, naio, iocbs);
+ if (w < 0)
+ tst_brk(TBROK, "io_submit: %s", tst_strerrno(-w));
/*
* As AIO requests finish, keep issuing more AIO until done.
*/
- aio_inflight = num_aio;
+ aio_inflight = naio;
- while (offset < filesize) {
+ while (offset < fs) {
int n;
struct iocb *iocbp;
- if (debug)
- tst_resm(TINFO,
- "aiodio_sparse: offset %p filesize %d inflight %d",
- &offset, filesize, aio_inflight);
-
- if ((n = io_getevents(myctx, 1, 1, &event, 0)) != 1) {
- if (-n != EINTR)
- tst_resm(TBROK, "io_getevents() returned %d",
- n);
- break;
- }
-
- if (debug)
- tst_resm(TINFO,
- "aiodio_sparse: io_getevent() returned %d", n);
+ n = io_getevents(myctx, 1, 1, &event, 0);
+ if (n != 1 && -n != EINTR)
+ tst_brk(TBROK, "io_getevents: %s", tst_strerrno(-n));
aio_inflight--;
- /*
- * check if write succeeded.
- */
- iocbp = (struct iocb *)event.obj;
- if (event.res2 != 0 || event.res != iocbp->u.c.nbytes) {
- tst_resm(TBROK,
- "AIO write offset %lld expected %ld got %ld",
- iocbp->u.c.offset, iocbp->u.c.nbytes,
- event.res);
- break;
- }
-
- if (debug)
- tst_resm(TINFO,
- "aiodio_sparse: io_getevent() res %ld res2 %ld",
- event.res, event.res2);
+ check_event(event);
/* start next write */
- io_prep_pwrite(iocbp, fd, iocbp->u.c.buf, writesize, offset);
- offset += writesize;
- if ((w = io_submit(myctx, 1, &iocbp)) < 0) {
- tst_resm(TBROK, "io_submit failed at offset %ld",
- offset);
- break;
- }
+ iocbp = (struct iocb *)event.obj;
- if (debug)
- tst_resm(TINFO, "io_submit() return %d", w);
+ io_prep_pwrite(iocbp, fd, iocbp->u.c.buf, ws, offset);
+ offset += ws;
+ w = io_submit(myctx, 1, &iocbp);
+ if (w < 0)
+ tst_brk(TBROK, "io_submit: %s", tst_strerrno(-w));
aio_inflight++;
}
@@ -175,163 +129,95 @@ int aiodio_sparse(int fd, int align, int writesize, int filesize, int num_aio)
*/
while (aio_inflight > 0) {
int n;
- struct iocb *iocbp;
- if ((n = io_getevents(myctx, 1, 1, &event, 0)) != 1) {
- tst_resm(TBROK, "io_getevents failed");
- break;
- }
- aio_inflight--;
- /*
- * check if write succeeded.
- */
- iocbp = (struct iocb *)event.obj;
- if (event.res2 != 0 || event.res != iocbp->u.c.nbytes) {
- tst_resm(TBROK,
- "AIO write offset %lld expected %ld got %ld",
- iocbp->u.c.offset, iocbp->u.c.nbytes,
- event.res);
- }
- }
+ n = io_getevents(myctx, 1, 1, &event, 0);
+ if (n != 1)
+ tst_brk(TBROK, "io_getevents failed");
- return 0;
-}
+ aio_inflight--;
-static void usage(void)
-{
- fprintf(stderr, "usage: dio_sparse [-n children] [-s filesize]"
- " [-w writesize]\n");
- exit(1);
+ check_event(event);
+ }
}
-int main(int argc, char **argv)
+static void setup(void)
{
- char *filename = "aiodio_sparse";
- int pid[NUM_CHILDREN];
- int num_children = 1;
- int i;
- long alignment = 512;
- int writesize = 65536;
- int filesize = 100 * 1024 * 1024;
- int num_aio = 16;
- int children_errors = 0;
- int c;
- int ret;
-
- while ((c = getopt(argc, argv, "dw:n:a:s:i:")) != -1) {
- char *endp;
- switch (c) {
- case 'd':
- debug++;
- break;
- case 'i':
- num_aio = atoi(optarg);
- break;
- case 'a':
- alignment = strtol(optarg, &endp, 0);
- alignment = (int)scale_by_kmg((long long)alignment,
- *endp);
- break;
- case 'w':
- writesize = strtol(optarg, &endp, 0);
- writesize =
- (int)scale_by_kmg((long long)writesize, *endp);
- break;
- case 's':
- filesize = strtol(optarg, &endp, 0);
- filesize =
- (int)scale_by_kmg((long long)filesize, *endp);
- break;
- case 'n':
- num_children = atoi(optarg);
- if (num_children > NUM_CHILDREN) {
- fprintf(stderr,
- "number of children limited to %d\n",
- NUM_CHILDREN);
- num_children = NUM_CHILDREN;
- }
- break;
- case '?':
- usage();
- break;
- }
- }
-
- setup();
- tst_resm(TINFO, "Dirtying free blocks");
- dirty_freeblocks(filesize);
-
- fd = SAFE_OPEN(cleanup, filename,
- O_DIRECT | O_WRONLY | O_CREAT | O_EXCL, 0600);
- SAFE_FTRUNCATE(cleanup, fd, filesize);
-
- tst_resm(TINFO, "Starting I/O tests");
- signal(SIGTERM, SIG_DFL);
- for (i = 0; i < num_children; i++) {
- switch (pid[i] = fork()) {
- case 0:
- SAFE_CLOSE(NULL, fd);
- read_sparse(filename, filesize);
- break;
- case -1:
- while (i-- > 0)
- kill(pid[i], SIGTERM);
-
- tst_brkm(TBROK | TERRNO, cleanup, "fork()");
- default:
- continue;
- }
- }
- tst_sig(FORK, DEF_HANDLER, cleanup);
+ struct stat sb;
- ret = aiodio_sparse(fd, alignment, writesize, filesize, num_aio);
+ numchildren = 1000;
+ writesize = 1024;
+ filesize = 100 * 1024 * 1024;
+ numaio = 16;
+ alignment = 512;
- tst_resm(TINFO, "Killing childrens(s)");
+ if (tst_parse_int(str_numchildren, &numchildren, 1, INT_MAX))
+ tst_brk(TBROK, "Invalid number of children '%s'", str_numchildren);
- for (i = 0; i < num_children; i++)
- kill(pid[i], SIGTERM);
+ if (tst_parse_filesize(str_writesize, &writesize, 1, LLONG_MAX))
+ tst_brk(TBROK, "Invalid write blocks size '%s'", str_writesize);
- for (i = 0; i < num_children; i++) {
- int status;
- pid_t p;
+ if (tst_parse_filesize(str_filesize, &filesize, 1, LLONG_MAX))
+ tst_brk(TBROK, "Invalid file size '%s'", str_filesize);
- p = waitpid(pid[i], &status, 0);
- if (p < 0) {
- tst_resm(TBROK | TERRNO, "waitpid()");
- } else {
- if (WIFEXITED(status) && WEXITSTATUS(status) == 10)
- children_errors++;
- }
- }
+ if (tst_parse_int(str_numaio, &numaio, 1, INT_MAX))
+ tst_brk(TBROK, "Invalid number of AIO control blocks '%s'", str_numaio);
- if (children_errors)
- tst_resm(TFAIL, "%i children(s) exited abnormally",
- children_errors);
+ SAFE_STAT(".", &sb);
+ alignment = sb.st_blksize;
- if (!children_errors && !ret)
- tst_resm(TPASS, "Test passed");
+ run_child = SAFE_MMAP(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- cleanup();
- tst_exit();
+ tst_res(TINFO, "Dirtying free blocks");
+ dirty_freeblocks(filesize);
}
-static void setup(void)
+static void cleanup(void)
{
- tst_sig(FORK, DEF_HANDLER, cleanup);
- tst_tmpdir();
+ *run_child = 0;
+ SAFE_MUNMAP(run_child, sizeof(int));
}
-static void cleanup(void)
+static void run(void)
{
- if (fd > 0 && close(fd))
- tst_resm(TWARN | TERRNO, "Failed to close file");
+ char *filename = "aiodio_sparse";
+ int status;
+ int i;
+
+ *run_child = 1;
- tst_rmdir();
+ for (i = 0; i < numchildren; i++) {
+ if (!SAFE_FORK()) {
+ io_read(filename, filesize, run_child);
+ return;
+ }
+ }
+
+ tst_res(TINFO, "Parent create a sparse file");
+
+ aiodio_sparse(filename, alignment, writesize, filesize, numaio);
+
+ if (SAFE_WAITPID(-1, &status, WNOHANG))
+ tst_res(TFAIL, "Non zero bytes read");
+ else
+ tst_res(TPASS, "All bytes read were zeroed");
+
+ *run_child = 0;
}
+static struct tst_test test = {
+ .test_all = run,
+ .setup = setup,
+ .cleanup = cleanup,
+ .needs_tmpdir = 1,
+ .forks_child = 1,
+ .options = (struct tst_option[]) {
+ {"n:", &str_numchildren, "-n\t Number of threads (default 1000)"},
+ {"w:", &str_writesize, "-w\t Size of writing blocks (default 1K)"},
+ {"s:", &str_filesize, "-s\t Size of file (default 100M)"},
+ {"o:", &str_numaio, "-o\t Number of AIO control blocks (default 16)"},
+ {}
+ },
+};
#else
-int main(void)
-{
- tst_brkm(TCONF, NULL, "test requires libaio and it's development packages");
-}
+TST_TEST_TCONF("test requires libaio and its development packages");
#endif
--
2.34.1
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