Re: Build failure on latest powerpc/merge (311ae9e159d8 io_uring: fix dead-hung for non-iter fixed rw)

[Christophe Leroy]

Le 29/11/2019 Ã 17:04, Jens Axboe a ÃcritÂ:
> On 11/29/19 6:53 AM, Christophe Leroy wrote:
> > ÂÂÂ CCÂÂÂÂÂ fs/io_uring.o
> > fs/io_uring.c: In function âloop_rw_iterâ:
> > fs/io_uring.c:1628:21: error: implicit declaration of function âkmapâ
> > [-Werror=implicit-function-declaration]
> > ÂÂÂÂÂ iovec.iov_base = kmap(iter->bvec->bv_page)
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ^
> > fs/io_uring.c:1628:19: warning: assignment makes pointer from integer
> > without a cast [-Wint-conversion]
> > ÂÂÂÂÂ iovec.iov_base = kmap(iter->bvec->bv_page)
> > ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ ^
> > fs/io_uring.c:1643:4: error: implicit declaration of function âkunmapâ
> > [-Werror=implicit-function-declaration]
> > ÂÂÂÂÂ kunmap(iter->bvec->bv_page);
> > ÂÂÂÂÂ ^
> >
> >
> > Reverting commit 311ae9e159d8 ("io_uring: fix dead-hung for non-iter
> > fixed rw") clears the failure.
> >
> > Most likely an #include is missing.
>
> Huh weird how the build bots didn't catch that. Does the below work?

Yes it works, thanks.

Christophe