From: Eric Sandeen <sandeen@sandeen.net>
Date: Fri, 5 Feb 2010 22:59:53 +0000 (+0000)
Subject: xfs: more reserved blocks fixups
X-Git-Tag: v2.6.34-rc1~278^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5db0f97fbbeff11c88dec1aaf1536a975afbaeb;p=pandora-kernel.git

xfs: more reserved blocks fixups

This mangles the reserved blocks counts a little more.

1) add a helper function for the default reserved count
2) add helper functions to save/restore counts on ro/rw
3) save/restore reserved blocks on freeze/thaw
4) disallow changing reserved count while readonly

V2: changed field name to match Dave's changes

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Alex Elder <aelder@sgi.com>
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