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SubjectRe: [RFC v2 3/5] blktrace: ref count the request_queue during ioctl
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On 2020-04-09 14:45, Luis Chamberlain wrote:
> Ensure that the reqest_queue ref counts the request_queue
^^^^^^^^^^^^ ^^^^^^^^^^
request_queue? refcounts?
> during its full ioctl cycle. This avoids possible races against
> removal, given blk_get_queue() also checks to ensure the queue
> is not dying.
>
> This small race is possible if you defer removal of the reqest_queue
^^^^^^^^^^^^
request_queue?
> and userspace fires off an ioctl for the device in the meantime.

Anyway:

Reviewed-by: Bart Van Assche <bvanassche@acm.org>

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