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From: NeilBrown <neilb@suse.de>
To: Ian Kent <raven@themaw.net>
Cc: autofs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/6 v2] autofs4: factor should_expire() out of autofs4_expire_indirect.
Date: Thu, 17 Jul 2014 14:34:35 +1000	[thread overview]
Message-ID: <20140717143435.2fc69837@notabene.brown> (raw)
In-Reply-To: <1405497017.2527.89.camel@perseus.fritz.box>

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On Wed, 16 Jul 2014 15:50:17 +0800 Ian Kent <raven@themaw.net> wrote:


> > +	if (simple_empty(dentry))
> > +		return NULL;
> > +
> > +	/* Case 2: tree mount, expire iff entire tree is not busy */
> > +	if (!exp_leaves) {
> > +		/* Path walk currently on this dentry? */
> > +		ino_count = atomic_read(&ino->count) + 1;
> > +		if (d_count(dentry) > ino_count)
> > +			return NULL;
> > +
> > +		if (!autofs4_tree_busy(mnt, dentry, timeout, do_now))
> > +			return dentry;
> > +		/*
> > +		 * Case 3: pseudo direct mount, expire individual leaves
> > +		 *	   (autofs-4.1).
> > +		 */
> 
> I recommend removing one of the tab stops on this since it relates to
> the else case but feels like it's "attached" to the code above the else.

The auto-reindent feature of emacs put it there and I didn't double check.
I've fix it.


> 
> > +	} else {
> > +		/* Path walk currently on this dentry? */
> > +		struct dentry *expired;
> > +		ino_count = atomic_read(&ino->count) + 1;
> > +		if (d_count(dentry) > ino_count)
> > +			return NULL;
> > +
> > +		expired = autofs4_check_leaves(mnt, dentry, timeout, do_now);
> > +		if (expired) {
> > +			if (expired == dentry)
> > +				dput(dentry);
> > +			return dentry;
> 
> Umm .. I think this should be "return expired".

Yes, of course it should.  Fixed.

> 
> Otherwise this looks like a straight refactor.

Thanks,
NeilBrown

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  reply	other threads:[~2014-07-17  4:34 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-09 23:41 [PATCH 0/6] autofs4: support RCU-walk NeilBrown
2014-07-09 23:41 ` [PATCH 1/6] autofs4: remove unused autofs4_ispending() NeilBrown
2014-07-16  3:26   ` Ian Kent
2014-07-09 23:41 ` [PATCH 4/6] autofs4: factor should_expire() out of autofs4_expire_indirect NeilBrown
2014-07-14  0:53   ` [PATCH 4/6 v2] " NeilBrown
2014-07-15  3:48     ` Ian Kent
2014-07-15  4:05       ` NeilBrown
2014-07-15  7:44         ` Ian Kent
2014-07-16  7:50     ` Ian Kent
2014-07-17  4:34       ` NeilBrown [this message]
2014-07-09 23:41 ` [PATCH 5/6] autofs4: avoid taking fs_lock during rcu-walk NeilBrown
2014-07-16  9:52   ` Ian Kent
2014-07-09 23:41 ` [PATCH 2/6] autofs4: remove a redundant assignment NeilBrown
2014-07-16  3:27   ` Ian Kent
2014-07-09 23:41 ` [PATCH 6/6] autofs4: don't take spinlock when not needed in autofs4_lookup_expiring NeilBrown
2014-07-16  3:42   ` Ian Kent
2014-07-16  6:10     ` NeilBrown
2014-07-09 23:41 ` [PATCH 3/6] autofs4: allow RCU-walk to walk through autofs4 NeilBrown
2014-07-16  4:44   ` Ian Kent
2014-07-16  5:51     ` NeilBrown
2014-07-16  6:56       ` Ian Kent
2014-07-17  5:00         ` Ian Kent
2014-07-17  8:04           ` NeilBrown
2014-07-17 10:17             ` Ian Kent
2014-07-29  1:51               ` NeilBrown
2014-07-29  6:37                 ` Ian Kent
2014-07-10  7:43 ` [PATCH 0/6] autofs4: support RCU-walk Ian Kent
2014-07-10  7:45   ` Ian Kent
2014-07-10  8:25   ` NeilBrown
2014-07-11  2:49     ` Ian Kent
2014-07-16  3:24 ` Ian Kent
2014-07-16  6:00   ` NeilBrown
2014-07-16  7:21     ` Ian Kent

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