From: Tejun Heo <tj@kernel.org>
Date: Tue, 18 Aug 2015 21:54:54 +0000 (-0700)
Subject: writeback: explain why @inode is allowed to be NULL for inode_congested()
X-Git-Tag: omap-for-v4.3/fixes-rc1~35^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60292bcc1b240a6708aa531c8ece1da2a78d560a;p=pandora-kernel.git

writeback: explain why @inode is allowed to be NULL for inode_congested()

Signed-off-by: Tejun Heo <tj@kernel.org>
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
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