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/*
* $Id: bulkstat_unlink_test.c,v 1.3 2007/10/30 03:07:42 mohamedb.longdrop.melbourne.sgi.com Exp $
* Test bulkstat doesn't returned unlinked inodes.
* Mark Goodwin <markgw@sgi.com> Fri Jul 20 09:13:57 EST 2007
*/
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <xfs/xfs.h>
#include <unistd.h>
#include <getopt.h>
#include <string.h>
int
main(int argc, char *argv[])
{
int e;
int i;
int j;
int k;
int nfiles;
int stride;
int c;
struct stat sbuf;
ino_t *inodelist;
struct xfs_fsop_bulkreq a;
struct xfs_bstat *ret;
int iterations;
char fname[MAXPATHLEN];
char *dirname;
int chknb = 0;
while ((c = getopt(argc, argv, "r")) != -1) {
switch(c) {
case 'r':
chknb = 1;
break;
default:
break;
}
}
if ((argc - optind) != 4) {
fprintf(stderr, "Usage: %s iterations nfiles stride dir [options]\n", argv[0]);
fprintf(stderr, "Create dir with nfiles, unlink each stride'th file, sync, bulkstat\n");
exit(1);
}
iterations = atoi(argv[optind++]);
nfiles = atoi(argv[optind++]);
stride = atoi(argv[optind++]);
dirname = argv[optind++];
if (chknb)
printf("Runing extended checks.\n");
inodelist = (ino_t *)malloc(nfiles * sizeof(ino_t));
ret = (struct xfs_bstat *)malloc(nfiles * sizeof(struct xfs_bstat));
for (k=0; k < iterations; k++) {
int fd[nfiles + 1];
xfs_ino_t last_inode = 0;
int count = 0, scount = -1;
printf("Iteration %d ... (%d files)", k, nfiles);
memset(&a, 0, sizeof(struct xfs_fsop_bulkreq));
a.lastip = (__u64 *)&last_inode;
a.icount = nfiles;
a.ubuffer = ret;
a.ocount = &count;
if (mkdir(dirname, 0755) < 0) {
printf("Warning (%s,%d), mkdir(%s) failed.\n", __FILE__, __LINE__, dirname);
perror(dirname);
exit(1);
}
if ((fd[nfiles] = open(dirname, O_RDONLY)) < 0) {
printf("Warning (%s,%d), open(%s) failed.\n", __FILE__, __LINE__, dirname);
perror(dirname);
exit(1);
}
if (chknb) { /* Get the original number of inodes (lazy) */
sync();
if (xfsctl(dirname, fd[nfiles], XFS_IOC_FSBULKSTAT, &a) != 0) {
printf("Warning (%s:%d), xfsctl(XFS_IOC_FSBULKSTAT) FAILED.\n", __FILE__, __LINE__);
}
scount = count;
}
for (i=0; i < nfiles; i++) { /* Open the files */
sprintf(fname, "%s/file%06d", dirname, i);
if ((fd[i] = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0644)) < 0) {
printf("Warning (%s,%d), open(%s) failed.\n", __FILE__, __LINE__, fname);
perror(fname);
exit(1);
}
write(fd[i], fname, sizeof(fname));
if (fstat(fd[i], &sbuf) < 0) {
printf("Warning (%s,%d), fstat failed.\n", __FILE__, __LINE__);
perror(fname);
exit(1);
}
inodelist[i] = sbuf.st_ino;
unlink(fname);
}
if (chknb) {
/*
*The files are still opened (but unlink()ed) ,
* we should have more inodes than before
*/
sync();
last_inode = 0;
if (xfsctl(dirname, fd[nfiles], XFS_IOC_FSBULKSTAT, &a) != 0) {
printf("Warning (%s:%d), xfsctl(XFS_IOC_FSBULKSTAT) FAILED.\n", __FILE__, __LINE__);
}
if (count < scount) {
printf("ERROR, count(%d) < scount(%d).\n", count, scount);
return -1;
}
}
/* Close all the files */
for (i = 0; i < nfiles; i++) {
close(fd[i]);
}
if (chknb) {
/*
* The files are now closed, we should be back to our,
* previous inode count
*/
sync();
last_inode = 0;
if (xfsctl(dirname, fd[nfiles], XFS_IOC_FSBULKSTAT, &a) != 0) {
printf("Warning (%s:%d), xfsctl(XFS_IOC_FSBULKSTAT) FAILED.\n", __FILE__, __LINE__);
}
if (count != scount) {
printf("ERROR, count(%d) != scount(%d).\n", count, scount);
return -1;
}
}
sync();
last_inode = 0;
for (;;) {
if ((e = xfsctl(dirname, fd[nfiles], XFS_IOC_FSBULKSTAT, &a)) < 0) {
printf("Warning (%s,%d), xfsctl failed.\n", __FILE__, __LINE__);
perror("XFS_IOC_FSBULKSTAT:");
exit(1);
}
if (count == 0)
break;
for (i=0; i < count; i++) {
for (j=0; j < nfiles; j += stride) {
if (ret[i].bs_ino == inodelist[j]) {
/* oops ... */
printf("failed. Unlinked inode %llu returned by bulkstat\n", (unsigned long long)inodelist[j]);
exit(1);
}
}
}
}
close(fd[nfiles]);
sprintf(fname, "rm -rf %s\n", dirname);
system(fname);
sync();
sleep(2);
printf("passed\n");
}
exit(0);
}
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