From: Jens Axboe Date: Thu, 27 Sep 2007 11:01:25 +0000 (+0200) Subject: block: Initial support for data-less (or empty) barrier support X-Git-Tag: v2.6.24-rc1~833^2~2^2~4 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf2de6f5a4faf0197268f18d08969b003b87b6e8;p=pandora-kernel.git block: Initial support for data-less (or empty) barrier support This implements functionality to pass down or insert a barrier in a queue, without having data attached to it. The ->prepare_flush_fn() infrastructure from data barriers are reused to provide this functionality. Signed-off-by: Jens Axboe --- Reading git-diff-tree failed