On 4/10/21 6:31 PM, Pavel Begunkov wrote: > On 08/04/2021 19:28, Pavel Begunkov wrote: >> WARNING: at fs/io_uring.c:8578 io_ring_exit_work.cold+0x0/0x18 >> >> As reissuing is now passed back by REQ_F_REISSUE and kiocb_done() >> internally uses __io_complete_rw(), it may stop after setting the flag >> so leaving a dangling request. >> >> There are tricky edge cases, e.g. reading beyound file, boundary, so >> the easiest way is to hand code reissue in kiocb_done() as >> __io_complete_rw() was doing for us before. > > fwiw, was using this fixed up version for 5.13 Thanks, I'm going to rebase (again...) and fold in when -rc7 is out. -- Jens Axboe
