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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-03 15:05:18 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:39:42 -0400
commitf0d1bec9d58d4c038d0ac958c9af82be6eb18045 (patch)
treedd8f6896941a030b723fedbaff6e64e3073ba6fc /include/linux/uio.h
parent84c3d55cc474f9c234c023c92e2769f940d5548c (diff)
downloadlinux-stericsson-f0d1bec9d58d4c038d0ac958c9af82be6eb18045.tar.gz
new helper: copy_page_from_iter()
parallel to copy_page_to_iter(). pipe_write() switched to it (and became ->write_iter()). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/uio.h')
-rw-r--r--include/linux/uio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 532f59d0adbb..66012352d333 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -68,6 +68,8 @@ int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
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);
+size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes,
+ struct iov_iter *i);
unsigned long iov_iter_alignment(const struct iov_iter *i);
void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov,
unsigned long nr_segs, size_t count);