On Thu, 30 Nov 2006 13:14:35 +0800 Ian Kent <[EMAIL PROTECTED]> wrote:
> > The problem: autofs_fill_super() returns EINVAL to get_sb_nodev(), but > > before > > that, it calls kill_anon_super() to destroy the superblock which won't be > > needed. This is however way too soon to call kill_anon_super(), because > > get_sb_nodev() has to perform its own cleanup of the superblock first > > (deactivate_super(), etc.). The correct time to call kill_anon_super() is in > > the autofs_kill_sb() callback, which is called by deactivate_super() at > > proper > > time, when the superblock is ready to be killed. > > > > I can see the same faulty codepath also in autofs4. This patch solves > > issues in > > both filesystems in a same way - it postpones the kill_anon_super() until > > the > > proper time is signalized by deactivate_super() calling the kill_sb() > > callback. > > > > Patch against 2.6.19-rc6-mm2. > > > > Signed-off-by: Jiri Kosina <[EMAIL PROTECTED]> > Acked-by: Ian Kent <[EMAIL PROTECTED]> > > It looks so obvious now. > Updating the comment above would be a good idea also, see attached. Thanks, Ian. I've tagged these for 2.6.19.x also. Please let me know if you think that's inappropriate, unnecessary or too risky. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/