copy_page_{to,from}_iter(): switch iovec variants to generic

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we can do copyin/copyout under kmap_local_page(); it shouldn't overflow
the kmap stack - the maximal footprint increase only by one here.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2022-05-26 19:07:11 -04:00

parent 164f4064ca

commit 59bb69c67c

1 changed files with 4 additions and 187 deletions

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191

lib/iov_iter.c

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