Re: FAILED: patch "[PATCH] io_uring: allow retry for O_NONBLOCK if async is supported" failed to apply to 5.14-stable tree

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On Sat, Sep 18, 2021 at 06:44:16AM -0600, Jens Axboe wrote:
> On 9/18/21 6:34 AM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> > 
> > The patch below does not apply to the 5.14-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@xxxxxxxxxxxxxxx>.
> 
> Just a trivial fuzz, here's a fixed version.

Sorry, no, the fuzz was easy, this breaks the build:

fs/io_uring.c: In function ‘io_prep_rw’:
fs/io_uring.c:2715:47: error: implicit declaration of function ‘io_file_supports_nowait’; did you mean ‘io_file_supports_async’? [-Werror=implicit-function-declaration]
 2715 |             ((file->f_flags & O_NONBLOCK) && !io_file_supports_nowait(req, rw)))
      |                                               ^~~~~~~~~~~~~~~~~~~~~~~
      |                                               io_file_supports_async
  CHK     kernel/kheaders_data.tar.xz
cc1: some warnings being treated as errors


Any hint as to what that function would be in 5.14.y?

thanks,

greg k-h



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