linux-kernel - Re: [PATCHSET 0/8 version 4] exofs for kernel 2.6.30

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Date:	Mon, 23 Mar 2009 15:06:33 +0200
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Jeff Garzik <jeff@...zik.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	open-osd <osd-dev@...n-osd.org>,
	Evgeniy Polyakov <zbr@...emap.net>,
	Marcin Slusarz <marcin.slusarz@...il.com>
CC:	James Bottomley <James.Bottomley@...senPartnership.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: Re: [PATCHSET 0/8 version 4] exofs for kernel 2.6.30

Boaz Harrosh wrote:
> What's new since last iteration:
> 
> * I completely re-wrote the [PATCH 4/8] exofs: address_space_operations
>   in which we actually write/read to/from osd-storage. The difference is
>   that now we try to accumulate as many contiguous pages as possible and
>   send them as one large request. As opposed to writing each page at a
>   time, in the previous patchset.
> 
> * [PATCH 5/8] exofs: dir_inode and directory operations received lots
>   of love thanks to Evgeniy Polyakov's grate comments.
> 
> exofs is a file system that uses an OSD device as it's back store.
> 
> OSD is a new T10 command set that views storage devices not as a large/flat
> array of sectors but as a container of objects, each having a length, quota,
> time attributes and more. Each object is addressed by a 64bit ID, and is
> contained in a 64bit ID partition. Each object has associated attributes
> attached to it, which are integral part of the object and provide metadata about
> the object. The standard defines some common obligatory attributes, but user
> attributes can be added as needed.
> 
> Here is the list of patches
> [PATCH 1/8] exofs: Kbuild, Headers and osd utils

   I have updated this patch on git.open-osd.org
   Kbuild fallout
 
> [PATCH 2/8] exofs: file and file_inode operations
> [PATCH 3/8] exofs: symlink_inode and fast_symlink_inode operations
> [PATCH 4/8] exofs: address_space_operations

  I have posted a new version of this patch

> [PATCH 5/8] exofs: dir_inode and directory operations
> [PATCH 6/8] exofs: super_operations and file_system_type

  Minor clean-up to this patch 
  (moved local structures to c file from header, remove unused function)

> [PATCH 7/8] exofs: Documentation
> [PATCH 8/8] fs: Add exofs to Kernel build
> 

Revised patchset can be found on link below
Attached the total diff from last HEAD

> This patchset is also available on:
>   git-clone git://git.open-osd.org/linux-open-osd.git linux-next
> or on the web at:
>   http://git.open-osd.org/gitweb.cgi?p=linux-open-osd.git;a=shortlog;h=refs/heads/linux-next
> 
> (Above tree is based on Linus v2.6.29-rc8-212-g8144737)
> 
> If anyone wants to actually run this code and test it
> then please start reading at:
>     http://open-osd.org
> You will need to checkout the out-of-tree git (below) for the user-mode utilities.
> Also the exofs.txt file in patch 7/8 should help
> 
> If you want to review the user-mode library and supporting plumbings,
>   git-clone git://git.open-osd.org/open-osd.git
> or on the web at:
>   http://git.open-osd.org/gitweb.cgi?p=open-osd.git;a=summary
> 
> Boaz
> 

Thanks
Boaz

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