From: Michel Lespinasse <walken@google.com>
Date: Tue, 7 May 2013 13:45:49 +0000 (-0700)
Subject: rwsem: make the waiter type an enumeration rather than a bitmask
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~14^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2d57f782c8a906f80d5b5f54da803c1638929d7;p=pandora-kernel.git

rwsem: make the waiter type an enumeration rather than a bitmask

We are not planning to add some new waiter flags, so we can convert the
waiter type into an enumeration.

Background: David Howells suggested I do this back when I tried adding
a new waiter type for unfair readers. However, I believe the cleanup
applies regardless of that use case.

Signed-off-by: Michel Lespinasse <walken@google.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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