linux-kernel - Re: [PATCH 7/9] exofs: mkexofs

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Message-ID: <20090104153841.GA16569@infradead.org>
Date:	Sun, 4 Jan 2009 10:38:41 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	James Bottomley <James.Bottomley@...senPartnership.com>,
	Matthew Wilcox <matthew@....cx>,
	Benny Halevy <bhalevy@...asas.com>,
	Jeff Garzik <jeff@...zik.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...IV.linux.org.uk>,
	Avishay Traeger <avishay@...il.com>,
	open-osd development <osd-dev@...n-osd.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH 7/9] exofs: mkexofs

On Sun, Jan 04, 2009 at 05:20:42PM +0200, Boaz Harrosh wrote:
> 
> User-mode Interface is another matter. There are some ideas and some already
> implemented.
> [Hosted on open-osd.org
>  see: http://git.open-osd.org/gitweb.cgi?p=osc-osd/.git;a=summary
>  look inside the osd-initiator directory]
> And I have a toy interface that adds no new entries into the Kernel in
> the form of an OSDVFS module, that will let you access the raw OSD device
> through the VFS name-space.
> 
> The lack of any user-mode API is just the lack of any current need/priority,
> or that I'm the only one working on OSD. But nothing that could not be solved
> in two weeks of pragmatic work. Surly it's not a paradigm problem.

For mkfs/repair direct use by databases, etc you want a userspace
library, too.  The easiest way to get started would to simply take the
kernel libosd and make it work ontop of SG_IO.

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