On 2/9/24 10:12, Jens Axboe wrote:
Greg, can you elaborate on how useful cancel is for gadgets? Is it one of those things that was wired up "just because", or does it have actually useful cases?
I found two use cases in the Android Open Source Project and have submitted CLs that request to remove the io_cancel() calls from that code. Although I think I understand why these calls were added, the race conditions that these io_cancel() calls try to address cannot be addressed completely by calling io_cancel(). Bart.
