From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 2 Jun 2010 21:38:30 +0000 (-0400)
Subject: simplify checks for I_CLEAR/I_FREEING
X-Git-Tag: v2.6.36-rc1~304^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4ffdde6e56fdf8c34ddadc2674d6eb978083369;p=pandora-kernel.git

simplify checks for I_CLEAR/I_FREEING

add I_CLEAR instead of replacing I_FREEING with it.  I_CLEAR is
equivalent to I_FREEING for almost all code looking at either;
it's there to keep track of having called clear_inode() exactly
once per inode lifetime, at some point after having set I_FREEING.
I_CLEAR and I_FREEING never get set at the same time with the
current code, so we can switch to setting i_flags to I_FREEING | I_CLEAR
instead of I_CLEAR without loss of information.  As the result of
such change, checks become simpler and the amount of code that needs
to know about I_CLEAR shrinks a lot.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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