On Mon, Aug 05, 2019 at 06:29:04PM -0700, Dan Williams wrote:
commit 6de5d06e657acdbcf9637dac37916a4a5309e0f4 upstream. In preparation for not holding a lock over the execution of nd_ioctl(), update the implementation to allow multiple threads to be attempting ioctls at the same time. The bus lock still prevents multiple in-flight ->ndctl() invocations from corrupting each other's state, but static global staging buffers are moved to the heap. Reported-by: Vishal Verma <vishal.l.verma@xxxxxxxxx> Reviewed-by: Vishal Verma <vishal.l.verma@xxxxxxxxx> Tested-by: Vishal Verma <vishal.l.verma@xxxxxxxxx> Link: https://lore.kernel.org/r/156341208947.292348.10560140326807607481.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
I've queued up both the 5.2 and 4.19 patches, thanks! -- Thanks, Sasha
