Re: [Ocfs2-devel] [PATCH V3 0/8] Cleancache: overview

2010-07-29 Thread Nitin Gupta
On 06/22/2010 04:48 AM, Dan Magenheimer wrote: [PATCH V3 0/8] Cleancache: overview snip Documentation/ABI/testing/sysfs-kernel-mm-cleancache | 11 + Documentation/vm/cleancache.txt | 194 +++ fs/btrfs/extent_io.c |

Re: [Ocfs2-devel] [PATCH V3 0/8] Cleancache: overview

2010-07-29 Thread Nitin Gupta
On 07/23/2010 01:46 PM, Minchan Kim wrote: On Fri, Jul 23, 2010 at 4:36 PM, Nitin Gupta ngu...@vflare.org wrote: 2. I think change in btrfs can be avoided by moving cleancache_get_page() from do_mpage_reapage() to filemap_fault() and this should work for all filesystems. See

Re: [Ocfs2-devel] [PATCH V3 0/8] Cleancache: overview

2010-07-29 Thread Nitin Gupta
On 07/23/2010 11:07 PM, Dan Magenheimer wrote: From: Dan Magenheimer Subject: RE: [PATCH V3 0/8] Cleancache: overview From: Christoph Hellwig [mailto:h...@infradead.org] Subject: Re: [PATCH V3 0/8] Cleancache: overview On Fri, Jul 23, 2010 at 06:58:03AM -0700, Dan Magenheimer wrote:

Re: [Ocfs2-devel] [PATCH V3 3/8] Cleancache: core ops functions and configuration

2010-07-12 Thread Nitin Gupta
On 07/07/2010 02:21 AM, Konrad Rzeszutek Wilk wrote: On Tue, Jun 22, 2010 at 09:26:28AM -0700, Dave Hansen wrote: On Mon, 2010-06-21 at 16:19 -0700, Dan Magenheimer wrote: --- linux-2.6.35-rc2/include/linux/cleancache.h 1969-12-31 17:00:00.0 -0700 +++

Re: [Ocfs2-devel] [PATCH V3 3/8] Cleancache: core ops functions and configuration

2010-06-28 Thread Nitin Gupta
On 06/22/2010 08:13 PM, Christoph Hellwig wrote: On Mon, Jun 21, 2010 at 04:19:39PM -0700, Dan Magenheimer wrote: [PATCH V3 3/8] Cleancache: core ops functions and configuration Cleancache core ops functions and configuration NACK for code that just adds random hooks all over VFS and even

Re: [Ocfs2-devel] [PATCH V2 2/7] Cleancache (was Transcendent Memory): core files

2010-06-28 Thread Nitin Gupta
Hi, On 05/28/2010 11:05 PM, Dan Magenheimer wrote: [PATCH V2 2/7] Cleancache (was Transcendent Memory): core files I just finished a rough (but working) implementation of in-kernel page cache compression backend (called zcache). During this work, I found some issues with cleancache, mostly

Re: [Ocfs2-devel] [PATCH V2 0/7] Cleancache (was Transcendent Memory): overview

2010-06-28 Thread Nitin Gupta
On 06/03/2010 09:13 PM, Dan Magenheimer wrote: On 06/03/2010 10:23 AM, Andreas Dilger wrote: On 2010-06-02, at 20:46, Nitin Gupta wrote: I was thinking it would be quite clever to do compression in, say, 64kB or 128kB chunks in a mapping (to get decent compression) and then write

Re: [Ocfs2-devel] [PATCH V2 0/7] Cleancache (was Transcendent Memory): overview

2010-06-28 Thread Nitin Gupta
On 06/03/2010 10:23 AM, Andreas Dilger wrote: On 2010-06-02, at 20:46, Nitin Gupta wrote: On 06/03/2010 04:32 AM, Dan Magenheimer wrote: From: Minchan Kim [mailto:minchan@gmail.com] I am also eagerly awaiting Nitin Gupta's cleancache backend and implementation to do in-kernel page cache

Re: [Ocfs2-devel] [PATCH V2 0/7] Cleancache (was Transcendent Memory): overview

2010-06-28 Thread Nitin Gupta
On 06/03/2010 04:32 AM, Dan Magenheimer wrote: From: Minchan Kim [mailto:minchan@gmail.com] I am also eagerly awaiting Nitin Gupta's cleancache backend and implementation to do in-kernel page cache compression. Do Nitin say he will make backend of cleancache for page cache compression?