Hi, > I have also observed another problem with inotify with dovecot - so I spoke > with Johannes Berg who wrote the inotify code in dovecot. He suggested I > post > here to LKML since his opinion is that this to be a kernel bug.
Allow me to jump in at this point. The small tool below triggers this
problem for Reuben (confirmed via private mail) but works fine for me on
2.6.13-rc6.
johannes
--begin test program--
/* Author: Johannes Berg <[EMAIL PROTECTED]>
*
* This is a small inotify test program that simply
* repeatedly adds and removes watches.
*/
#include <stdio.h>
#include <linux/inotify.h>
#include <linux/inotify-syscalls.h>
int main()
{
int fd;
int wd1, wd2;
int ret;
fd = inotify_init();
if (fd < 0)
perror("inotify_init");
printf("inotify_init returned fd %d\n", fd);
while (1) {
wd1 = inotify_add_watch(fd, "/tmp", IN_ALL_EVENTS);
if (wd1 < 0) {
perror("inotify_add_watch");
break;
}
printf("inotify_add_watch returned wd1 %d\n", wd1);
wd2 = inotify_add_watch(fd, "/", IN_ALL_EVENTS);
if (wd2 < 0) {
perror("inotify_add_watch");
break;
}
printf("inotify_add_watch returned wd2 %d\n", wd2);
ret = inotify_rm_watch(fd, wd1);
if (ret < 0) {
perror("inotify_rm_watch wd1");
break;
}
ret = inotify_rm_watch(fd, wd2);
if (ret < 0) {
perror("inotify_rm_watch wd2");
break;
}
}
}
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