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kill iov_iter_copy_from_user()

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all callers can use copy_page_from_iter() and it actually simplifies
them.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-04-10 20:54:51 -04:00
parent f6c0a1920e
commit e7c24607b5
5 changed files with 5 additions and 40 deletions
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6
mm/process_vm_access.c
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@@ -46,11 +46,7 @@ static int process_vm_rw_pages(struct page **pages,
copy = len;
if (vm_write) {
if (copy > iov_iter_count(iter))
copy = iov_iter_count(iter);
copied = iov_iter_copy_from_user(page, iter,
offset, copy);
iov_iter_advance(iter, copied);
copied = copy_page_from_iter(page, offset, copy, iter);
set_page_dirty_lock(page);
} else {
copied = copy_page_to_iter(page, offset, copy, iter);