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block: IBM RamSan 70/80 fixes inconsistent locking.
authorPhilip J Kelleher <pjk1939@linux.vnet.ibm.com>
Mon, 25 Feb 2013 18:31:31 +0000 (12:31 -0600)
committerJens Axboe <axboe@kernel.dk>
Mon, 11 Mar 2013 18:53:55 +0000 (19:53 +0100)
This patch includes changes to the cregs locking scheme. Before,
inconsistant locking would occur because of misuse of spin_lock,
spin_lock_bh, and counter parts.

Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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