int check_conn(char* devname, int do_print) {
char buf[256];
+ char* p;
int fd;
int len;
if(!strncmp(devname, "/dev/", 5)) {
devname+=5;
}
+ if((p=strchr(devname, 'p'))) {
+ /* We can't do checks on partitions. */
+ *p='\0';
+ }
snprintf(buf, 256, "/sys/block/%s/pid", devname);
if((fd=open(buf, O_RDONLY))<0) {
if(errno==ENOENT) {
}
void set_timeout(int nbd, int timeout) {
-#ifdef NBD_SET_TIMEOUT
if (timeout) {
+#ifdef NBD_SET_TIMEOUT
if (ioctl(nbd, NBD_SET_TIMEOUT, (unsigned long)timeout) < 0)
err("Ioctl NBD_SET_TIMEOUT failed: %m\n");
fprintf(stderr, "timeout=%d\n", timeout);
- }
+#else
+ err("Ioctl NBD_SET_TIMEOUT cannot be called when compiled on a system that does not support it\n");
#endif
+ }
}
void finish_sock(int sock, int nbd, int swap) {
if (argc < 3) {
errmsg:
fprintf(stderr, "nbd-client version %s\n", PACKAGE_VERSION);
- fprintf(stderr, "Usage: nbd-client [bs=blocksize] [timeout=sec] host port nbd_device [-swap] [-persist]\n");
+ fprintf(stderr, "Usage: nbd-client [bs=blocksize] [timeout=sec] host port nbd_device [-swap] [-persist] [-nofork]\n");
fprintf(stderr, "Or : nbd-client -d nbd_device\n");
fprintf(stderr, "Or : nbd-client -c nbd_device\n");
fprintf(stderr, "Default value for blocksize is 1024 (recommended for ethernet)\n");
/* Go daemon */
- chdir("/");
+ daemon(0,0);
do {
#ifndef NOFORK
if (!nofork) {