From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 1/2] vfs: export symbol 'getname' and 'putname'
Date: Wed, 22 Apr 2015 00:34:30 -0700
Message-ID: <20150422073430.GA5305@infradead.org>
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 <498CF73A-6CB4-4C17-8953-B4AAA855A3DF@intel.com>
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 <83D1849E-D084-4BD6-9A99-720F8F13535A@intel.com>
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Cc: Christoph Hellwig <hch@infradead.org>,
	Boqun Feng <boqun.feng@gmail.com>,
	"<linux-fsdevel@vger.kernel.org>" <linux-fsdevel@vger.kernel.org>,
	"<devel@driverdev.osuosl.org>" <devel@driverdev.osuosl.org>,
	"<linux-kernel@vger.kernel.org>" <linux-kernel@vger.kernel.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	"Dilger, Andreas" <andreas.dilger@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jan Kara <jack@suse.cz>
To: "Drokin, Oleg" <oleg.drokin@intel.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
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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.