char *mailfrom;
struct alert_info info;
struct mddev_ident *mdlist;
+ int delay_for_event = c->delay;
if (!mailaddr) {
mailaddr = conf_get_mailaddr();
break;
}
else {
- mdstat_wait(c->delay);
+ int wait_result = mdstat_wait(delay_for_event);
+
+ /*
+ * If mdmonitor is awaken by event, set small delay once
+ * to deal with udev and mdadm.
+ */
+ if (wait_result != 0) {
+ if (c->delay > 5)
+ delay_for_event = 5;
+ } else
+ delay_for_event = c->delay;
+
mdstat_close();
}
}
extern struct mdstat_ent *mdstat_read(int hold, int start);
extern void mdstat_close(void);
extern void free_mdstat(struct mdstat_ent *ms);
-extern void mdstat_wait(int seconds);
+extern int mdstat_wait(int seconds);
extern void mdstat_wait_fd(int fd, const sigset_t *sigmask);
extern int mddev_busy(char *devnm);
extern struct mdstat_ent *mdstat_by_component(char *name);
mdstat_fd = -1;
}
-void mdstat_wait(int seconds)
+/*
+ * function: mdstat_wait
+ * Description: Function waits for event on mdstat.
+ * Parameters:
+ * seconds - timeout for waiting
+ * Returns:
+ * > 0 - detected event
+ * 0 - timeout
+ * < 0 - detected error
+ */
+int mdstat_wait(int seconds)
{
fd_set fds;
struct timeval tm;
FD_SET(mdstat_fd, &fds);
maxfd = mdstat_fd;
} else
- return;
+ return -1;
+
tm.tv_sec = seconds;
tm.tv_usec = 0;
- select(maxfd + 1, NULL, NULL, &fds, &tm);
+
+ return select(maxfd + 1, NULL, NULL, &fds, &tm);
}
void mdstat_wait_fd(int fd, const sigset_t *sigmask)