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fix iov_iter_fault_in_readable()

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... by turning it into what used to be multipages counterpart

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2016-09-16 00:11:45 +01:00 • committed by Linus Torvalds
parent f32a10df2e
commit d4690f1e1c
2 changed files with 3 additions and 23 deletions
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2
include/linux/uio.h
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@ -76,7 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
struct iov_iter *i, unsigned long offset, size_t bytes);
void iov_iter_advance(struct iov_iter *i, size_t bytes);
int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes);
#define iov_iter_fault_in_multipages_readable iov_iter_fault_in_readable
size_t iov_iter_single_seg_count(const struct iov_iter *i);
size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
struct iov_iter *i);