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/*
* Test to see how quickly we can scan the inode table (not doing
* anything else)
*/
#include <string.h>
#include <fcntl.h>
#include <ctype.h>
#include <termios.h>
#include <time.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <unistd.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#include <sys/ioctl.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "et/com_err.h"
#include "e2fsck.h"
#include "../version.h"
extern int isatty(int);
const char * program_name = "iscan";
const char * device_name = NULL;
int yflag = 0;
int nflag = 0;
int preen = 0;
int inode_buffer_blocks = 0;
int invalid_bitmaps = 0;
struct resource_track global_rtrack;
static void usage(void)
{
fprintf(stderr,
_("Usage: %s [-F] [-I inode_buffer_blocks] device\n"),
program_name);
exit(1);
}
static void PRS(int argc, char *argv[])
{
int flush = 0;
char c;
#ifdef MTRACE
extern void *mallwatch;
#endif
errcode_t retval;
setbuf(stdout, NULL);
setbuf(stderr, NULL);
initialize_ext2_error_table();
if (argc && *argv)
program_name = *argv;
while ((c = getopt (argc, argv, "FI")) != EOF)
switch (c) {
case 'F':
flush = 1;
break;
case 'I':
inode_buffer_blocks = atoi(optarg);
break;
default:
usage ();
}
device_name = argv[optind];
if (flush) {
int fd = open(device_name, O_RDONLY, 0);
if (fd < 0) {
com_err("open", errno,
_("while opening %s for flushing"), device_name);
exit(FSCK_ERROR);
}
if ((retval = ext2fs_sync_device(fd, 1))) {
com_err("ext2fs_sync_device", retval,
_("while trying to flush %s"), device_name);
exit(FSCK_ERROR);
}
close(fd);
}
}
int main (int argc, char *argv[])
{
errcode_t retval = 0;
int exit_value = FSCK_OK;
ext2_filsys fs;
ext2_ino_t ino;
__u32 num_inodes = 0;
struct ext2_inode inode;
ext2_inode_scan scan;
init_resource_track(&global_rtrack);
PRS(argc, argv);
retval = ext2fs_open(device_name, 0,
0, 0, unix_io_manager, &fs);
if (retval) {
com_err(program_name, retval, _("while trying to open %s"),
device_name);
exit(1);
}
ehandler_init(fs->io);
retval = ext2fs_open_inode_scan(fs, inode_buffer_blocks, &scan);
if (retval) {
com_err(program_name, retval, _("while opening inode scan"));
exit(1);
}
while (1) {
retval = ext2fs_get_next_inode(scan, &ino, &inode);
if (retval) {
com_err(program_name, retval,
_("while getting next inode"));
exit(1);
}
if (ino == 0)
break;
num_inodes++;
}
print_resource_track(NULL, &global_rtrack);
printf(_("%u inodes scanned.\n"), num_inodes);
exit(0);
}
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