Re: [PATCH 02/16] autofs4: switch autofs4_write to __kernel_write

[Al Viro]

On Wed, Aug 30, 2017 at 04:59:53PM +0200, Christoph Hellwig wrote:
> Instead of playing games with the address limit..

I wonder...  Do we verify that it's a pipe?  If so, ->f_pos can
(and should) be left alone...