From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolaus Rath Subject: Re: [PATCH] fuse: Add support for fuse stacked I/O Date: Thu, 14 Jan 2016 07:52:00 -0800 Message-ID: <87mvs8qhun.fsf@thinkpad.rath.org> References: <565394BE.4040506@codeaurora.org> <5696E366.2080605@codeaurora.org> <20160114082554.GA12489@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20160114082554.GA12489@infradead.org> (Christoph Hellwig's message of "Thu, 14 Jan 2016 00:25:54 -0800") Sender: linux-kernel-owner@vger.kernel.org To: Christoph Hellwig Cc: Nikhilesh Reddy , Miklos Szeredi , fuse-devel , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, Richard Weinberger , Theodore Ts'o , jack@suse.cz, Antonio SJ Musumeci , sven.utcke@gmx.de List-Id: linux-api@vger.kernel.org On Jan 14 2016, Christoph Hellwig wrote: > On Wed, Jan 13, 2016 at 03:53:10PM -0800, Nikhilesh Reddy wrote: >> Add support for filesystem stacked read/write of files >> when enabled through a userspace init option of FUSE_STACKED_IO. >>=20 >> When FUSE_STACKED_IO is enabled all the reads and writes >> to the fuse mount point go directly to the native filesystem >> rather than through the fuse daemon. All requests that aren't >> read/write still go thought the userspace code. > > Please write your stacked features as kernel drivers. Could you explain in more detail? I think I don't understand either the why, the how, or what you mean with driver in this context (not sure which one it is).=20 (I'm not the original submitter but interested in this) Best, -Nikolaus --=20 GPG encrypted emails preferred. Key id: 0xD113FCAC3C4E599F =46ingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F =C2=BBTime flies like an arrow, fruit flies like a Banana.= =C2=AB