35 struct iov_iter {  struct
59 static inline enum iter_type iov_iter_type(const struct iov_iter *i)  in iov_iter_type()  argument
64 static inline void iov_iter_save_state(struct iov_iter *iter,  in iov_iter_save_state()
72 static inline bool iter_is_iovec(const struct iov_iter *i)  in iter_is_iovec()
77 static inline bool iov_iter_is_kvec(const struct iov_iter *i)  in iov_iter_is_kvec()
82 static inline bool iov_iter_is_bvec(const struct iov_iter *i)  in iov_iter_is_bvec()
87 static inline bool iov_iter_is_pipe(const struct iov_iter *i)  in iov_iter_is_pipe()
92 static inline bool iov_iter_is_discard(const struct iov_iter *i)  in iov_iter_is_discard()
97 static inline unsigned char iov_iter_rw(const struct iov_iter *i)  in iov_iter_rw()
119 static inline struct iovec iov_iter_iovec(const struct iov_iter *iter)  in iov_iter_iovec()
129 		struct iov_iter *i, unsigned long offset, size_t bytes);
130 void iov_iter_advance(struct iov_iter *i, size_t bytes);
131 void iov_iter_revert(struct iov_iter *i, size_t bytes);
132 int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
133 size_t iov_iter_single_seg_count(const struct iov_iter *i);
135 			 struct iov_iter *i);
137 			 struct iov_iter *i);
139 size_t _copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i);
140 size_t _copy_from_iter(void *addr, size_t bytes, struct iov_iter *i);
141 bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i);
142 size_t _copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i);
143 bool _copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i);
146 size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i)  in copy_to_iter()
155 size_t copy_from_iter(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter()
164 bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_full()
173 size_t copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_nocache()
182 bool copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_full_nocache()
197 size_t _copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i);
203 size_t _copy_mc_to_iter(const void *addr, size_t bytes, struct iov_iter *i);
209 size_t copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i)  in copy_from_iter_flushcache()
218 size_t copy_mc_to_iter(void *addr, size_t bytes, struct iov_iter *i)  in copy_mc_to_iter()
226 size_t iov_iter_zero(size_t bytes, struct iov_iter *);
227 unsigned long iov_iter_alignment(const struct iov_iter *i);
228 unsigned long iov_iter_gap_alignment(const struct iov_iter *i);
229 void iov_iter_init(struct iov_iter *i, unsigned int direction, const struct iovec *iov,
231 void iov_iter_kvec(struct iov_iter *i, unsigned int direction, const struct kvec *kvec,
233 void iov_iter_bvec(struct iov_iter *i, unsigned int direction, const struct bio_vec *bvec,
235 void iov_iter_pipe(struct iov_iter *i, unsigned int direction, struct pipe_inode_info *pipe,
237 void iov_iter_discard(struct iov_iter *i, unsigned int direction, size_t count);
238 ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages,
240 ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages,
242 int iov_iter_npages(const struct iov_iter *i, int maxpages);
243 void iov_iter_restore(struct iov_iter *i, struct iov_iter_state *state);
245 const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags);
247 static inline size_t iov_iter_count(const struct iov_iter *i)  in iov_iter_count()
258 static inline void iov_iter_truncate(struct iov_iter *i, u64 count)  in iov_iter_truncate()
274 static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)  in iov_iter_reexpand()
284 size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csstate, struct iov_iter *i);
285 size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
286 bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i);
288 		struct iov_iter *i);
295 		 struct iov_iter *i);
298 		 struct iov_iter *i, bool compat);
300 		 struct iovec *iov, struct iov_iter *i);
302 int iov_iter_for_each_range(struct iov_iter *i, size_t bytes,