| Date | Thu, 28 May 2020 20:03:17 +0100 | From | Al Viro <> | Subject | Re: [PATCH 14/14] fs: don't change the address limit for ->read_iter in __kernel_read |
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On Thu, May 28, 2020 at 07:40:43AM +0200, Christoph Hellwig wrote: > If we read to a file that implements ->read_iter there is no need > to change the address limit if we send a kvec down. Implement that > case, and prefer it over using plain ->read with a changed address > limit if available.
Ditto re never converting something that bails out on uaccess_kernel() in ->read() over to ->read_iter().
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