From d90c732122a1f6d0efe388a8a204f67f144b2eb3 Mon Sep 17 00:00:00 2001
From: Josef Bacik <josef@redhat.com>
Date: Tue, 17 May 2011 09:50:54 -0400
Subject: [PATCH] Btrfs: leave spinning on lookup and map the leaf

On lookup we only want to read the inode item, so leave the path spinning.  Also
we're just wholesale reading the leaf off, so map the leaf so we don't do a
bunch of kmap/kunmaps.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
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