mirror of https://github.com/vitalif/e2fsprogs
60 lines
927 B
C
60 lines
927 B
C
/*
|
|
* flushb.c --- This routine flushes the disk buffers for a disk
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#ifdef HAVE_LINUX_FS_H
|
|
#include <linux/fs.h>
|
|
#endif
|
|
|
|
#ifdef __STDC__
|
|
#define NOARGS void
|
|
#else
|
|
#define NOARGS
|
|
#define const
|
|
#endif
|
|
|
|
const char *progname;
|
|
|
|
static void usage(NOARGS)
|
|
{
|
|
fprintf(stderr, "Usage: %s disk\n", progname);
|
|
exit(1);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int fd;
|
|
|
|
progname = argv[0];
|
|
if (argc != 2)
|
|
usage();
|
|
|
|
fd = open(argv[1], O_RDONLY, 0);
|
|
if (fd < 0) {
|
|
perror("open");
|
|
exit(1);
|
|
}
|
|
/*
|
|
* Note: to reread the partition table, use the ioctl
|
|
* BLKRRPART instead of BLKFSLBUF.
|
|
*/
|
|
#ifdef BLKFLSBUF
|
|
if (ioctl(fd, BLKFLSBUF, 0) < 0) {
|
|
perror("ioctl BLKFLSBUF");
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
#else
|
|
fprintf(stderr,
|
|
"BLKFLSBUF ioctl not supported! Can't flush buffers.\n");
|
|
return 1;
|
|
#endif
|
|
}
|