From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 4 Jul 2012 14:54:48 +0000 (-0400)
Subject: xfs: add a short cut to xfs_dialloc for the non-NULL agbp case
X-Git-Tag: v3.6-rc1~42^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bb61069d2019dea2a7e4e0f4432101f03a9b820;p=pandora-kernel.git

xfs: add a short cut to xfs_dialloc for the non-NULL agbp case

In this case we already have selected an AG and know it has free space
beause the buffer lock never got released.  Jump directly into xfs_dialloc_ag
and short cut the AG selection loop.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
---

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