linux-kernel - Re: [PATCH 1/2] vfs: export symbol 'getname' and 'putname'

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Message-ID: <20150422073430.GA5305@infradead.org>
Date:	Wed, 22 Apr 2015 00:34:30 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	"Drokin, Oleg" <oleg.drokin@...el.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Boqun Feng <boqun.feng@...il.com>,
	"<linux-fsdevel@...r.kernel.org>" <linux-fsdevel@...r.kernel.org>,
	"<devel@...verdev.osuosl.org>" <devel@...verdev.osuosl.org>,
	"<linux-kernel@...r.kernel.org>" <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	"Dilger, Andreas" <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 1/2] vfs: export symbol 'getname' and 'putname'

On Wed, Apr 22, 2015 at 06:49:08AM +0000, Drokin, Oleg wrote:
> I know this is not going to be a popular opinion with you, but sometimes opening a file
> is just too expensive. 1 RPC roudntrip to open a file and then another one to close it.

Use O_PATH to avoid this.
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