69f4eb9ff7
A controller reset after a run time change of the CMB module parameter breaks the driver. An 'on -> off' will have the driver use NULL for the host memory queue, and 'off -> on' will use mismatched queue depth between the device and the host. We could fix both, but there isn't really a good reason to change this at run time anyway, compared to at module load time, so this patch makes parameter read-only after after modprobe. Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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