84 		struct iov_iter *i, unsigned long offset, size_t bytes);
85 void iov_iter_advance(struct iov_iter *i, size_t bytes);
86 void iov_iter_revert(struct iov_iter *i, size_t bytes);
87 int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
89 size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
91 size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes,
94 size_t _copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i);
95 size_t _copy_from_iter(void *addr, size_t bytes, struct iov_iter *i);
96 bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i);
97 size_t _copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i);
98 bool _copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i);
101 size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i)  in copy_to_iter()  argument
103 	if (unlikely(!check_copy_size(addr, bytes, true)))  in copy_to_iter()
106 		return _copy_to_iter(addr, bytes, i);  in copy_to_iter()
110 size_t copy_from_iter(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter()  argument
112 	if (unlikely(!check_copy_size(addr, bytes, false)))  in copy_from_iter()
115 		return _copy_from_iter(addr, bytes, i);  in copy_from_iter()
119 bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_full()  argument
121 	if (unlikely(!check_copy_size(addr, bytes, false)))  in copy_from_iter_full()
124 		return _copy_from_iter_full(addr, bytes, i);  in copy_from_iter_full()
128 size_t copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_nocache()  argument
130 	if (unlikely(!check_copy_size(addr, bytes, false)))  in copy_from_iter_nocache()
133 		return _copy_from_iter_nocache(addr, bytes, i);  in copy_from_iter_nocache()
137 bool copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_full_nocache()  argument
139 	if (unlikely(!check_copy_size(addr, bytes, false)))  in copy_from_iter_full_nocache()
142 		return _copy_from_iter_full_nocache(addr, bytes, i);  in copy_from_iter_full_nocache()
152 size_t _copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i);
158 size_t _copy_to_iter_mcsafe(const void *addr, size_t bytes, struct iov_iter *i);
164 size_t copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_flushcache()  argument
166 	if (unlikely(!check_copy_size(addr, bytes, false)))  in copy_from_iter_flushcache()
169 		return _copy_from_iter_flushcache(addr, bytes, i);  in copy_from_iter_flushcache()
173 size_t copy_to_iter_mcsafe(void *addr, size_t bytes, struct iov_iter *i)  in copy_to_iter_mcsafe()  argument
175 	if (unlikely(!check_copy_size(addr, bytes, true)))  in copy_to_iter_mcsafe()
178 		return _copy_to_iter_mcsafe(addr, bytes, i);  in copy_to_iter_mcsafe()
181 size_t iov_iter_zero(size_t bytes, struct iov_iter *);
244 size_t csum_and_copy_to_iter(const void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
245 size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
246 bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
262 int iov_iter_for_each_range(struct iov_iter *i, size_t bytes,