Re: [PATCH 05/15] make btree root in inode support generic

xfs

Re: [PATCH 05/15] make btree root in inode support generic

To:	Christoph Hellwig <hch@xxxxxx>
Subject:	Re: [PATCH 05/15] make btree root in inode support generic
From:	Dave Chinner <david@xxxxxxxxxxxxx>
Date:	Fri, 25 Jul 2008 09:28:27 +1000
Cc:	xfs@xxxxxxxxxxx
In-reply-to:	<20080723200848.GF7401@lst.de>
Mail-followup-to:	Christoph Hellwig <hch@xxxxxx>, xfs@xxxxxxxxxxx
References:	<20080723200848.GF7401@lst.de>
Sender:	xfs-bounce@xxxxxxxxxxx
User-agent:	Mutt/1.5.18 (2008-05-17)

On Wed, Jul 23, 2008 at 10:08:48PM +0200, Christoph Hellwig wrote:
> The bmap btree is rooted in the inode and not in a single disk block.  Make
> the support for this feature more generic by:
> 
>  (a) adding a btree flag to check for instead of the XFS_BTNUM_BMAP type
>  (b) add a get_root_from_inode btree operation to get a btree block from
>      the inode, with the implementation details left to the individual btree.
> 
> Also clean up xfs_btree_get_block, which is the place these two features
> are used.
> 
> The XFS_BTREE_ROOT_IN_INODE is based upon a patch from Dave Chinner.

Looks good.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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