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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dave Chiluk <chiluk@canonical.com>
Cc: Petr Vandrovec <petr@vandrovec.name>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] ncpfs: fix rmdir returns Device or resource busy
Date: Sat, 15 Jun 2013 06:26:31 +0100	[thread overview]
Message-ID: <20130615052631.GP4165@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20130615050939.GO4165@ZenIV.linux.org.uk>

On Sat, Jun 15, 2013 at 06:09:39AM +0100, Al Viro wrote:

> BTW, in ncp_fill_cache() we have a provably pointless
>                 if (!ino)
>                         ino = find_inode_number(dentry, &qname);
> Check it out - any path that can lead there with ino == 0 will *not*
> have a positive dentry with such name, so this find_inode_number()
> call is just "waste some time and return 0".  Cargo-cult, plain and
> simple...

Incidentally, the only other caller of find_inode_number() is equally
pointless, so I'm very inclined to kill the damn function off.  Sure,
it's exported.  And I'm fairly sure that its out-of-tree users are
just as fishy (as in Innsmouth)...

  reply	other threads:[~2013-06-15  5:26 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-28 22:50 [PATCH] ncpfs: fix rmdir returns Device or resource busy Dave Chiluk
2013-05-31 21:40 ` Dave Chiluk
     [not found]   ` <CA+i2_De5HHw2H9SvZ=W+QAOcy0M7jFac88OK6aeYdJVCGL6b+A@mail.gmail.com>
2013-06-05 20:20     ` Dave Chiluk
2013-06-07  6:43       ` Petr Vandrovec
2013-06-07 16:09         ` Dave Chiluk
2013-06-07 16:14           ` Al Viro
2013-06-13  2:01             ` Al Viro
2013-06-13  6:42               ` Al Viro
2013-06-14  4:19                 ` Dave Chiluk
2013-06-15  5:09                   ` Al Viro
2013-06-15  5:26                     ` Al Viro [this message]
2013-06-14  4:02               ` Dave Chiluk
2013-06-19  9:30 ` Luis Henriques
2013-06-26  1:05   ` Ben Hutchings

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