On 4/12/21 1:21 AM, Randy Dunlap wrote: > On 4/11/21 8:48 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote: >> The mm-of-the-moment snapshot 2021-04-11-20-47 has been uploaded to >> >> https://www.ozlabs.org/~akpm/mmotm/ >> >> mmotm-readme.txt says >> >> README for mm-of-the-moment: >> >> https://www.ozlabs.org/~akpm/mmotm/ >> >> This is a snapshot of my -mm patch queue. Uploaded at random hopefully >> more than once a week. >> >> You will need quilt to apply these patches to the latest Linus release (5.x >> or 5.x-rcY). The series file is in broken-out.tar.gz and is duplicated in >> https://ozlabs.org/~akpm/mmotm/series >> >> The file broken-out.tar.gz contains two datestamp files: .DATE and >> .DATE-yyyy-mm-dd-hh-mm-ss. Both contain the string yyyy-mm-dd-hh-mm-ss, >> followed by the base kernel version against which this patch series is to >> be applied. >> >> This tree is partially included in linux-next. To see which patches are >> included in linux-next, consult the `series' file. Only the patches >> within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in >> linux-next. > > on i386: > # CONFIG_BLOCK is not set > > ../fs/io_uring.c: In function ‘kiocb_done’: > ../fs/io_uring.c:2766:7: error: implicit declaration of function ‘io_resubmit_prep’; did you mean ‘io_put_req’? [-Werror=implicit-function-declaration] > if (io_resubmit_prep(req)) { I'll apply the below to take care of that. diff --git a/fs/io_uring.c b/fs/io_uring.c index 3a837d2b8331..aa29918944f6 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2464,6 +2464,10 @@ static bool io_rw_should_reissue(struct io_kiocb *req) return true; } #else +static bool io_resubmit_prep(struct io_kiocb *req) +{ + return false; +} static bool io_rw_should_reissue(struct io_kiocb *req) { return false; @@ -2504,14 +2508,8 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2) if (kiocb->ki_flags & IOCB_WRITE) kiocb_end_write(req); if (unlikely(res != req->result)) { - bool fail = true; - -#ifdef CONFIG_BLOCK - if (res == -EAGAIN && io_rw_should_reissue(req) && - io_resubmit_prep(req)) - fail = false; -#endif - if (fail) { + if (!(res == -EAGAIN && io_rw_should_reissue(req) && + io_resubmit_prep(req))) { req_set_fail_links(req); req->flags |= REQ_F_DONT_REISSUE; } -- Jens Axboe