[systemd-devel] udev and dm inotify problems

[Andrei Borzenkov]

В Sun, 26 Jul 2015 11:39:17 +0300
Oleksii Shevchuk <alxchk at gmail.com> пишет:

> Andrei Borzenkov <arvidjaar at gmail.com> writes:
> 
> >
> > Could you verify with e.g. inotifywatch whether inotify event was
> > generated by kernel?
> >
> 
> It turns out, that for some reason I have several dm devices:
> 
> # ls -l /dev/mapper/
> crw-rw---- 1 root dialout  10, 236 ??? 25 09:52 control
> brw------- 1 root root    254,  12 ??? 25 09:52 _dev_dm_5
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 Media-Doc -> ../dm-3
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 Media-Music -> ../dm-1
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 Media-Tmp -> ../dm-2
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-home -> ../dm-5
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-kernel -> ../dm-7
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-portage -> ../dm-4
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-prefix -> ../dm-8
> brw------- 1 root root    254,   0 ??? 25 09:52 OS-root
> lrwxrwxrwx 1 root root           8 ??? 25 09:52 OS-Software -> ../dm-10
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-var -> ../dm-9
> lrwxrwxrwx 1 root root           7 ??? 25 09:52 OS-VM -> ../dm-6
> brw------- 1 root root    254,  11 ??? 26 11:36 swap <<---- SWAP is here
> 
> Also I have separate device - /dev/dm-11, with same major/minor.
> 
> inotifywait get CLOSE_WRITE events only when the same device file is used.

So that it the problem. Does it happen if you use cryptsetup directly?