[dm-devel] [Bcache v13 03/16] Revert "rw_semaphore: remove up/down_read_non_owner"

[Tejun Heo]

On Wed, May 09, 2012 at 11:08:49PM -0400, Kent Overstreet wrote:
> This reverts commit 11b80f459adaf91a712f95e7734a17655a36bf30.
> 
> Signed-off-by: Kent Overstreet <koverstreet at google.com>

Please cc Christoph and Al and justify why it needs to be reverted.

Thanks.

-- 
tejun