From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 4 Feb 2008 14:39:39 -0500 From: Christoph Hellwig Subject: Re: [patch 0/3] add perform_write to a_ops Message-ID: <20080204193939.GA19236@lst.de> References: <20080204170409.991123259@szeredi.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080204170409.991123259@szeredi.hu> Sender: owner-linux-mm@kvack.org Return-Path: To: Miklos Szeredi Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org List-ID: On Mon, Feb 04, 2008 at 06:04:10PM +0100, Miklos Szeredi wrote: > a_ops->perform_write() was left out from Nick Piggin's new a_ops > patchset, as it was non-essential, and postponed for later inclusion. > > This short series reintroduces it, but only adds the fuse > implementation and not simple_perform_write(), which I'm not sure > would be a significant improvement. > > This allows larger than 4k buffered writes for fuse, which is one of > the most requested features. > > This goes on top of the "fuse: writable mmap" patches. Please don't do this, but rather implement your own .aio_write. There's very little in generic_file_aio_write that wouldn't be handle by ->perform_write and we should rather factor those up or move to higher layers than adding this ill-defined abstraction. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org