* Re: [-mm PATCH] ocfs2: ->fallocate() support
[not found] <20070621190143.GC17713@ca-server1.us.oracle.com>
@ 2007-06-30 9:34 ` Christoph Hellwig
2007-07-02 23:18 ` Mark Fasheh
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Hellwig @ 2007-06-30 9:34 UTC (permalink / raw)
To: Mark Fasheh; +Cc: Andrew Morton, Amit Arora, linux-fsdevel, ocfs2-devel, xfs
On Thu, Jun 21, 2007 at 12:01:43PM -0700, Mark Fasheh wrote:
> Plug ocfs2 into the ->fallocate() callback. We only support FA_ALLOCATE for
> now - FA_DEALLOCATE will come later.
Btw, it seems like ocfs implements the xfs preallocation ioctls. What
would people thing about moving those up to work over ->fallocate so they
can be used on all filesystems that support preallocation? While the
ABI is quite ugly it has a huge userbase because it's the only existing
preallocation mechanism on Linux.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [-mm PATCH] ocfs2: ->fallocate() support
2007-06-30 9:34 ` [-mm PATCH] ocfs2: ->fallocate() support Christoph Hellwig
@ 2007-07-02 23:18 ` Mark Fasheh
0 siblings, 0 replies; 2+ messages in thread
From: Mark Fasheh @ 2007-07-02 23:18 UTC (permalink / raw)
To: Christoph Hellwig
Cc: Andrew Morton, Amit Arora, linux-fsdevel, ocfs2-devel, xfs
On Sat, Jun 30, 2007 at 10:34:13AM +0100, Christoph Hellwig wrote:
> Btw, it seems like ocfs implements the xfs preallocation ioctls. What
> would people thing about moving those up to work over ->fallocate so they
> can be used on all filesystems that support preallocation?
That sounds like a good idea. We've already got a very good match on
RESVP/UNRESVP with the various ->fallocate flags.
I'm not sure whether we want to do this for ALLOCSP/FREESP - as far as I've
heard those are hardly used.
> While the ABI is quite ugly it has a huge userbase because it's the only
> existing preallocation mechanism on Linux.
Yeah, that was the primary reason I chose to implement the ioctl (along with
the ->fallocate patch)
--Mark
--
Mark Fasheh
Senior Software Developer, Oracle
mark.fasheh@oracle.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-06-30 9:34 ` [-mm PATCH] ocfs2: ->fallocate() support Christoph Hellwig
2007-07-02 23:18 ` Mark Fasheh
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