io_uring: convert the sync and fallocate paths to use io_cmd_type

They all share the same struct io_sync, convert them to use the
io_cmd_type approach instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2022-05-24 09:30:45 -06:00
commit e4a71006ea