124 static size_t netfs_limit_bvec(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_bvec()  argument
127 	const struct bio_vec *bvecs = iter->bvec;  in netfs_limit_bvec()
128 	unsigned int nbv = iter->nr_segs, ix = 0, nsegs = 0;  in netfs_limit_bvec()
129 	size_t len, span = 0, n = iter->count;  in netfs_limit_bvec()
130 	size_t skip = iter->iov_offset + start_offset;  in netfs_limit_bvec()
132 	if (WARN_ON(!iov_iter_is_bvec(iter)) ||  in netfs_limit_bvec()
165 static size_t netfs_limit_kvec(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_kvec()  argument
168 	const struct kvec *kvecs = iter->kvec;  in netfs_limit_kvec()
169 	unsigned int nkv = iter->nr_segs, ix = 0, nsegs = 0;  in netfs_limit_kvec()
170 	size_t len, span = 0, n = iter->count;  in netfs_limit_kvec()
171 	size_t skip = iter->iov_offset + start_offset;  in netfs_limit_kvec()
173 	if (WARN_ON(!iov_iter_is_kvec(iter)) ||  in netfs_limit_kvec()
207 static size_t netfs_limit_xarray(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_xarray()  argument
212 	loff_t pos = iter->xarray_start + iter->iov_offset;  in netfs_limit_xarray()
214 	size_t span = 0, n = iter->count;  in netfs_limit_xarray()
216 	XA_STATE(xas, iter->xarray, index);  in netfs_limit_xarray()
218 	if (WARN_ON(!iov_iter_is_xarray(iter)) ||  in netfs_limit_xarray()
252 static size_t netfs_limit_folioq(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_folioq()  argument
255 	const struct folio_queue *folioq = iter->folioq;  in netfs_limit_folioq()
257 	unsigned int slot = iter->folioq_slot;  in netfs_limit_folioq()
258 	size_t span = 0, n = iter->count;  in netfs_limit_folioq()
260 	if (WARN_ON(!iov_iter_is_folioq(iter)) ||  in netfs_limit_folioq()
271 	start_offset += iter->iov_offset;  in netfs_limit_folioq()
295 size_t netfs_limit_iter(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_iter()  argument
298 	if (iov_iter_is_folioq(iter))  in netfs_limit_iter()
299 		return netfs_limit_folioq(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
300 	if (iov_iter_is_bvec(iter))  in netfs_limit_iter()
301 		return netfs_limit_bvec(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
302 	if (iov_iter_is_xarray(iter))  in netfs_limit_iter()
303 		return netfs_limit_xarray(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
304 	if (iov_iter_is_kvec(iter))  in netfs_limit_iter()
305 		return netfs_limit_kvec(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()