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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2010-08-03 21:04:47 -0700 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2010-08-03 21:04:47 -0700 |
| commit | 1d895a5a451e041fcefeefbe1fd07eed034394cd (patch) | |
| tree | d78b4fd3f57e93e1f244d05f5c15f81237f1d746 | |
| parent | e7b1ba1bd08087f56b6fd1e4aad1cc521a2e35fd (diff) | |
| download | bcache-tools-1d895a5a451e041fcefeefbe1fd07eed034394cd.tar.gz | |
read/write and write only modes
| -rw-r--r-- | bcache-test.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/bcache-test.c b/bcache-test.c index 93da0582..5858cab1 100644 --- a/bcache-test.c +++ b/bcache-test.c @@ -149,7 +149,7 @@ void usage() int main(int argc, char **argv) { - bool walk = false, randsize = false, verbose = false, csum = false, destructive = false; + bool walk = false, randsize = false, verbose = false, csum = false, rtest = false, wtest = false; int fd1, fd2 = 0, direct = 0, nbytes = 4096, j, o; unsigned long size, i, offset = 0, done = 0, unique = 0, benchmark = 0; void *buf1 = NULL, *buf2 = NULL; @@ -179,7 +179,10 @@ int main(int argc, char **argv) csum = true; break; case 'w': - destructive = true; + wtest = true; + break; + case 'r': + rtest = true; break; case 'l': klog = true; @@ -194,6 +197,9 @@ int main(int argc, char **argv) argv += optind; argc -= optind; + if (!rtest && !wtest) + rtest = true; + if (argc < 1) { printf("Please enter a device to test\n"); exit(EXIT_FAILURE); @@ -204,9 +210,9 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } - fd1 = open(argv[0], (destructive ? O_RDWR : O_RDONLY)|direct); + fd1 = open(argv[0], (wtest ? O_RDWR : O_RDONLY)|direct); if (!csum && !benchmark) - fd2 = open(argv[1], (destructive ? O_RDWR : O_RDONLY)|direct); + fd2 = open(argv[1], (wtest ? O_RDWR : O_RDONLY)|direct); if (fd1 == -1 || fd2 == -1) { perror("Error opening device"); @@ -229,7 +235,7 @@ int main(int argc, char **argv) //setvbuf(stdout, NULL, _IONBF, 0); for (i = 0; !benchmark || i < benchmark; i++) { - bool writing = destructive && (i & 1); + bool writing = (wtest && (i & 1)) || !rtest; nbytes = randsize ? drand48() * 16 + 1 : 1; nbytes <<= 12; |