copy_page_from_iter(): don't need kmap_atomic() for kvec/bvec cases

kmap_local_page() is enough.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2021-04-27 12:33:24 -04:00
commit 55ca375c5d