tree c98b7887c025735d901ad1bea38e737c5506b379
parent 17d3aeb33cdae8c87a8ad97c4358a623a630e19a
author Pavel Begunkov <asml.silence@gmail.com> 1623710244 +0100
committer Jens Axboe <axboe@kernel.dk> 1623793120 -0600

io_uring: don't cache number of dropped SQEs

Kill ->cached_sq_dropped and wire DRAIN sequence number correction via
->cq_extra, which is there exactly for that purpose. User visible
dropped counter will be populated by incrementing it instead of keeping
a copy, similarly as it was done not so long ago with cq_overflow.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/088aceb2707a534d531e2770267c4498e0507cc1.1623709150.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>