109 static size_t netfs_limit_bvec(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_bvec()  argument
112 	const struct bio_vec *bvecs = iter->bvec;  in netfs_limit_bvec()
113 	unsigned int nbv = iter->nr_segs, ix = 0, nsegs = 0;  in netfs_limit_bvec()
114 	size_t len, span = 0, n = iter->count;  in netfs_limit_bvec()
115 	size_t skip = iter->iov_offset + start_offset;  in netfs_limit_bvec()
117 	if (WARN_ON(!iov_iter_is_bvec(iter)) ||  in netfs_limit_bvec()
150 static size_t netfs_limit_kvec(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_kvec()  argument
153 	const struct kvec *kvecs = iter->kvec;  in netfs_limit_kvec()
154 	unsigned int nkv = iter->nr_segs, ix = 0, nsegs = 0;  in netfs_limit_kvec()
155 	size_t len, span = 0, n = iter->count;  in netfs_limit_kvec()
156 	size_t skip = iter->iov_offset + start_offset;  in netfs_limit_kvec()
158 	if (WARN_ON(!iov_iter_is_kvec(iter)) ||  in netfs_limit_kvec()
192 static size_t netfs_limit_xarray(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_xarray()  argument
197 	loff_t pos = iter->xarray_start + iter->iov_offset;  in netfs_limit_xarray()
199 	size_t span = 0, n = iter->count;  in netfs_limit_xarray()
201 	XA_STATE(xas, iter->xarray, index);  in netfs_limit_xarray()
203 	if (WARN_ON(!iov_iter_is_xarray(iter)) ||  in netfs_limit_xarray()
237 static size_t netfs_limit_folioq(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_folioq()  argument
240 	const struct folio_queue *folioq = iter->folioq;  in netfs_limit_folioq()
242 	unsigned int slot = iter->folioq_slot;  in netfs_limit_folioq()
243 	size_t span = 0, n = iter->count;  in netfs_limit_folioq()
245 	if (WARN_ON(!iov_iter_is_folioq(iter)) ||  in netfs_limit_folioq()
256 	start_offset += iter->iov_offset;  in netfs_limit_folioq()
280 size_t netfs_limit_iter(const struct iov_iter *iter, size_t start_offset,  in netfs_limit_iter()  argument
283 	if (iov_iter_is_folioq(iter))  in netfs_limit_iter()
284 		return netfs_limit_folioq(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
285 	if (iov_iter_is_bvec(iter))  in netfs_limit_iter()
286 		return netfs_limit_bvec(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
287 	if (iov_iter_is_xarray(iter))  in netfs_limit_iter()
288 		return netfs_limit_xarray(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()
289 	if (iov_iter_is_kvec(iter))  in netfs_limit_iter()
290 		return netfs_limit_kvec(iter, start_offset, max_size, max_segs);  in netfs_limit_iter()