Author: adrian.chadd
Date: Wed Jul 15 23:58:51 2009
New Revision: 14195
Modified:
playpen/LUSCA_HEAD_storework/app/coss_newfs/coss_newfs.c
Log:
Fiddle some more with the coss newfs stuff.
Modified: playpen/LUSCA_HEAD_storework/app/coss_newfs/coss_newfs.c
==============================================================================
--- playpen/LUSCA_HEAD_storework/app/coss_newfs/coss_newfs.c (original)
+++ playpen/LUSCA_HEAD_storework/app/coss_newfs/coss_newfs.c Wed Jul 15
23:58:51 2009
@@ -16,9 +16,7 @@
int shutting_down = 0; /* needed for debug routines for now */
/*
- * Args: /path/to/cossdir <size> <stripesize>
- *
- * All arguments are in megabytes for now.
+ * Args: /path/to/cossdir <number of stripes> <stripesize>
*/
int
main(int argc, const char *argv[])
@@ -28,12 +26,16 @@
size_t i;
int fd;
char buf[256];
- int r;
+ off_t r;
+
+ /* Setup the debugging library */
+ _db_init("ALL,1");
+ _db_set_stderr_debug(1);
- path = argv[1];
- sz = atoi(argv[2]) * 1024;
- stripe_sz = atoi(argv[3]) * 1024;
+ path = argv[1];
+ sz = atoi(argv[2]);
+ stripe_sz = atoi(argv[3]);
/*
* For now, just write 256 bytes of NUL's into the beginning of
@@ -42,22 +44,24 @@
* -should- be enough to trick the rebuild process into treating
* the rest of that stripe as empty.
*/
- fd = open(path, O_WRONLY | O_CREAT);
+ fd = open(path, O_WRONLY | O_CREAT, 0644);
if (fd < 0) {
perror("open");
exit(127);
}
bzero(buf, sizeof(buf));
- for (i = 0; i < sz; i += stripe_sz) {
- r = lseek(fd, i, SEEK_SET);
+ for (i = 0; i < sz; i += 1) {
+ getCurrentTime();
+ debug(85, 5) ("seeking to stripe %d\n", i);
+ r = lseek(fd, (off_t) i * (off_t) stripe_sz, SEEK_SET);
if (r < 0) {
perror("lseek");
exit(127);
}
r = write(fd, buf, sizeof(buf));
if (r < 0) {
- perror("lseek");
+ perror("write");
exit(127);
}
}
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