Merge tag 'xtensa-20221213' of https://github.com/jcmvbkbc/linux-xtensa

[linux-2.6-microblaze.git] / include / linux / uio.h

diff --git a/include/linux/uio.h b/include/linux/uio.h
index 2e3134b..9f15823 100644 (file)
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -29,6 +29,9 @@ enum iter_type {
        ITER_UBUF,
 };
 
+#define ITER_SOURCE    1       // == WRITE
+#define ITER_DEST      0       // == READ
+
 struct iov_iter_state {
        size_t iov_offset;
        size_t count;
@@ -247,8 +250,14 @@ void iov_iter_pipe(struct iov_iter *i, unsigned int direction, struct pipe_inode
 void iov_iter_discard(struct iov_iter *i, unsigned int direction, size_t count);
 void iov_iter_xarray(struct iov_iter *i, unsigned int direction, struct xarray *xarray,
                     loff_t start, size_t count);
+ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages,
+               size_t maxsize, unsigned maxpages, size_t *start,
+               unsigned gup_flags);
 ssize_t iov_iter_get_pages2(struct iov_iter *i, struct page **pages,
                        size_t maxsize, unsigned maxpages, size_t *start);
+ssize_t iov_iter_get_pages_alloc(struct iov_iter *i,
+               struct page ***pages, size_t maxsize, size_t *start,
+               unsigned gup_flags);
 ssize_t iov_iter_get_pages_alloc2(struct iov_iter *i, struct page ***pages,
                        size_t maxsize, size_t *start);
 int iov_iter_npages(const struct iov_iter *i, int maxpages);