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/*
* Author: Simon Gomizelj <simongmzlj@gmail.com>
*
* GPLv2
*/
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
int main(int argc, char *argv[])
{
int fd;
if (argc != 2)
{
fprintf(stderr, "bcache-register takes exactly one argument\n");
return 1;
}
fd = open("/sys/fs/bcache/register", O_WRONLY);
if (fd < 0)
{
perror("Error opening /sys/fs/bcache/register");
fprintf(stderr, "The bcache kernel module must be loaded\n");
return 1;
}
if (dprintf(fd, "%s\n", argv[1]) < 0)
{
fprintf(stderr, "Error registering %s with bcache: %m\n", argv[1]);
return 1;
}
return 0;
}
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