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