From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 21 Mar 2013 16:24:01 +0000 (-0400)
Subject: introduce variants of pipe_lock/pipe_unlock for real pipes/FIFOs
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~74^2~182
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebec73f4752b777b79b384bd52e5240203cb9b00;p=pandora-kernel.git

introduce variants of pipe_lock/pipe_unlock for real pipes/FIFOs

fs/pipe.c file_operations methods *know* that pipe is not an internal one;
no need to check pipe->inode for those callers.

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