xfs: use DECLARE_EVENT_CLASS

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Using DECLARE_EVENT_CLASS allows us to to use trace event code
instead of duplicating it in the binary.  This was not available
before 2.6.33 so it had to be done as a separate step once the
prerequisite was merged.

This only requires changes to xfs_trace.h and the results are
rather impressive:

hch@brick:~/work/linux-2.6/obj-kvm$ size fs/xfs/xfs.o*
text	   data	    bss	    dec	    hex	filename
 607732	  41884	   3616	 653232	  9f7b0	fs/xfs/xfs.o
1026732	  41884	   3808	1072424	 105d28	fs/xfs/xfs.o.old

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>

...

This commit is contained in:

Christoph Hellwig 2009-12-21 14:03:03 +00:00 committed by Alex Elder

parent 3c8ad49b01

commit ea9a48881e

1 changed files with 599 additions and 546 deletions

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fs/xfs/linux-2.6/xfs_trace.h

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