From: Christoph Hellwig <hch@infradead.org>
Date: Sun, 18 Dec 2011 20:00:10 +0000 (+0000)
Subject: xfs: replace i_pin_wait with a bit waitqueue
X-Git-Tag: v3.3-rc1~24^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f392e6319a4e9a028b0c8b48f000bb01d660ad53;p=pandora-kernel.git

xfs: replace i_pin_wait with a bit waitqueue

Replace i_pin_wait, which is only used during synchronous inode flushing
with a bit waitqueue.  This trades off a much smaller inode against
slightly slower wakeup performance, and saves 12 (32-bit) or 20 (64-bit)
bytes in the XFS inode.

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

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