Re: [PATCH 09/15] xfs: vectorise encoding/decoding directory headers

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On Tue, Oct 29, 2013 at 10:11:52PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> Conversion from on-disk structures to in-core header structures
> currently relies on magic number checks. If the magic number is
> wrong, but one of the supported values, we do the wrong thing with
> the encode/decode operation. Split these functions so that there are
> discrete operations for the specific directory format we are
> handling.
> 
> In doing this, move all the header encode/decode functions to
> xfs_da_format.c as they are directly manipulating the on-disk
> format. It should be noted that all the growth in binary size is
> from xfs_da_format.c - the rest of the code actaully shrinks.
> 
>    text    data     bss     dec     hex filename
>  794490   96802    1096  892388   d9de4 fs/xfs/xfs.o.orig
>  792986   96802    1096  890884   d9804 fs/xfs/xfs.o.p1
>  792350   96802    1096  890248   d9588 fs/xfs/xfs.o.p2
>  789293   96802    1096  887191   d8997 fs/xfs/xfs.o.p3
>  789005   96802    1096  886903   d8997 fs/xfs/xfs.o.p4
>  789061   96802    1096  886959   d88af fs/xfs/xfs.o.p5
>  789733   96802    1096  887631   d8b4f fs/xfs/xfs.o.p6
>  791421   96802    1096  889319   d91e7 fs/xfs/xfs.o.p7
> 
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>

Looks good.

Reviewed-by: Ben Myers <bpm@xxxxxxx>

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