aio-dio-write-verify: Add sync and noverify option

This patch adds -S for O_SYNC and -N for noverify option to
aio-dio-write-verify test. We will use this for integrity
verification test for aio-dio.

Signed-off-by: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/src/aio-dio-regress/aio-dio-write-verify.c b/src/aio-dio-regress/aio-dio-write-verify.c
index dabbfacde3f8adaa0c1e47267107cc3a4d2c0981..513a338bee35629f3a06a93fd83a32332efd10d2 100644 (file)
--- a/src/aio-dio-regress/aio-dio-write-verify.c
+++ b/src/aio-dio-regress/aio-dio-write-verify.c
@@ -34,13 +34,16 @@
 
 void usage(char *progname)
 {
-       fprintf(stderr, "usage: %s [-t truncsize ] <-a size=N,off=M [-a ...]>  filename\n"
+       fprintf(stderr, "usage: %s [-t truncsize ] <-a size=N,off=M [-a ...]>  [-S] [-N] filename\n"
                "\t-t truncsize: truncate the file to a special size before AIO wirte\n"
                "\t-a: specify once AIO write size and startoff, this option can be specified many times, but less than 128\n"
                "\t\tsize=N: AIO write size\n"
                "\t\toff=M:  AIO write startoff\n"
-               "e.g: %s -t 4608 -a size=4096,off=512 -a size=4096,off=4608 filename\n",
-               progname, progname);
+               "\t-S: uses O_SYNC flag for open. By default O_SYNC is not used\n"
+               "\t-N: no_verify: means no write verification. By default noverify is false\n"
+               "e.g: %s -t 4608 -a size=4096,off=512 -a size=4096,off=4608 filename\n"
+               "e.g: %s -t 1048576 -a size=1048576 -S -N filename\n",
+               progname, progname, progname);
        exit(1);
 }
 
@@ -292,8 +295,10 @@ int main(int argc, char *argv[])
        char *filename = NULL;
        int num_events = 0;
        off_t tsize = 0;
+       int o_sync = 0;
+       int no_verify = 0;
 
-       while ((c = getopt(argc, argv, "a:t:")) != -1) {
+       while ((c = getopt(argc, argv, "a:t:SN")) != -1) {
                char *endp;
 
                switch (c) {
@@ -308,6 +313,12 @@ int main(int argc, char *argv[])
                case 't':
                        tsize = strtoul(optarg, &endp, 0);
                        break;
+               case 'S':
+                       o_sync = O_SYNC;
+                       break;
+               case 'N':
+                       no_verify = 1;
+                       break;
                default:
                        usage(argv[0]);
                }
@@ -324,7 +335,7 @@ int main(int argc, char *argv[])
        else
                usage(argv[0]);
 
-       fd = open(filename, O_DIRECT | O_CREAT | O_TRUNC | O_RDWR, 0600);
+       fd = open(filename, O_DIRECT | O_CREAT | O_TRUNC | O_RDWR | o_sync, 0600);
        if (fd == -1) {
                perror("open");
                return 1;
@@ -342,9 +353,11 @@ int main(int argc, char *argv[])
                return 1;
        }
 
-       if (io_verify(fd) != 0) {
-               fprintf(stderr, "Data verification fails\n");
-               return 1;
+       if (no_verify == 0) {
+               if (io_verify(fd) != 0) {
+                       fprintf(stderr, "Data verification fails\n");
+                       return 1;
+               }
        }
 
        close(fd);