On Tue, Sep 09, 2025 at 01:05:56PM +0200, Johannes Thumshirn wrote:

Split do_blk_trace_setup into two functions, this is done to prepare for
an incoming new BLKTRACESETUP2 ioctl(2) which can receive extended
parameters form user-space.

This not just splits the function, but also moves some of the logic
to the caller.  Which looks fine, but should be documented here or
even better split out into a separate patch.