Re: [Bugme-new] [Bug 12754] New: inotify doesn't free memory allocated to watches

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Feb 24, 2009 at 09:38:00PM +0000, Al Viro wrote:
> On Tue, Feb 24, 2009 at 01:05:23PM -0800, Andrew Morton wrote:
> 
> > > We have webcams that take photos every 5 minutes.  I run a daemon
> > > that detects the creation of a new webcam photo then makes a thumbnail
> > > of it.  Eventually it stopped working.  I figured out that I could
> > > not create new watches:  inotify_add_watch reported "No space left on device".
> > > I create all the watches with the ONESHOT parameter so they are deleted
> > > as soon as they are triggered.  When I make it display the watch number
> > > it's always 3.  A new watch is added only when the old watch has been
> > > triggered.  inotify isn't recovering the memory from deleted watches.

IN_ONESHOT means that they will be *removed* as they are triggered.  You still
have to call put_inotify_watch() from your ->handle_event() when you get
IN_ONESHOT in the mask.  IOW, check your ->handle_event(); unless it does
that put_inotify_watch(), you are leaking.
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux