linux-kernel - Re: [PATCH 0/8] ceph: fscache support & upstream changes

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Message-ID: <alpine.DEB.2.00.1309051555250.1073@cobra.newdream.net>
Date:	Thu, 5 Sep 2013 16:00:06 -0700 (PDT)
From:	Sage Weil <sage@...tank.com>
To:	Milosz Tanski <milosz@...in.com>
cc:	ceph-devel@...r.kernel.org, zheng.z.yan@...el.com,
	dhowells@...hat.com, jiayisuse@...il.com, linux-cachefs@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] ceph: fscache support & upstream changes

On Thu, 5 Sep 2013, Milosz Tanski wrote:
> Hey gang I think this should be final revision of these changes. The changes 
> are:
> 
>  * David rewrote the cookie validity check (that originally was written by
>    Hongyi Jia). You might have seen some emails flying about doing it the
>    right way.
>  * I added crash fix when for Ceph filesystems mounted with nofsc (default)
>    when fscache is compiled into Ceph. Previously it would crash trying to
>    enqueue invalidate checks in the work queue because we didn't initialize
>    if the mount had fscache disabled.
> 
> I've tested both changes on my cluster. You can get get these changes from my
> branch in bitbucket. It contains the upstream wip-fscache branch rebased with
> David's rewrite of Hongyi Jia's changes.
> 
> The branch is located at.
> 
>   https://bitbucket.org/adfin/linux-fs.git in the wip-fscahce branch
> 
> Finally, David requested that this patchset go through the Ceph tree. The tree
> should have all the proper sign off from David. I also CC'ed him so he can give
> his final okay.
> 
> Best,
>  - Milosz

I've pulled this into ceph-client.git master.  If this looks good to you, 
David, I'll send it all to Linus (along with the current set of RBD fixes, 
once they are ready).

Thanks!
sage


> 
> David Howells (2):
>   FS-Cache: Add interface to check consistency of a cached object
>   CacheFiles: Implement interface to check cache consistency
> 
> Milosz Tanski (6):
>   fscache: Netfs function for cleanup post readpages
>   ceph: use fscache as a local presisent cache
>   ceph: clean PgPrivate2 on returning from readpages
>   ceph: ceph_readpage_to_fscache didn't check if marked
>   ceph: page still marked private_2
>   ceph: Do not do invalidate if the filesystem is mounted nofsc
> 
>  Documentation/filesystems/caching/backend-api.txt |    9 +
>  Documentation/filesystems/caching/netfs-api.txt   |   35 +-
>  fs/cachefiles/interface.c                         |   26 ++
>  fs/cachefiles/internal.h                          |    1 +
>  fs/cachefiles/xattr.c                             |   36 ++
>  fs/ceph/Kconfig                                   |    9 +
>  fs/ceph/Makefile                                  |    1 +
>  fs/ceph/addr.c                                    |   40 ++-
>  fs/ceph/cache.c                                   |  400 +++++++++++++++++++++
>  fs/ceph/cache.h                                   |  157 ++++++++
>  fs/ceph/caps.c                                    |   19 +-
>  fs/ceph/file.c                                    |   17 +
>  fs/ceph/inode.c                                   |   14 +-
>  fs/ceph/super.c                                   |   35 +-
>  fs/ceph/super.h                                   |   16 +
>  fs/fscache/cookie.c                               |   69 ++++
>  fs/fscache/internal.h                             |    6 +
>  fs/fscache/page.c                                 |   71 ++--
>  include/linux/fscache-cache.h                     |    4 +
>  include/linux/fscache.h                           |   42 +++
>  20 files changed, 965 insertions(+), 42 deletions(-)
>  create mode 100644 fs/ceph/cache.c
>  create mode 100644 fs/ceph/cache.h
> 
> -- 
> 1.7.9.5
> 
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