27 size_t xdr_skb_read_bits(struct xdr_skb_reader *desc, void *to, size_t len)  in xdr_skb_read_bits()  argument
29 	if (len > desc->count)  in xdr_skb_read_bits()
30 		len = desc->count;  in xdr_skb_read_bits()
31 	if (unlikely(skb_copy_bits(desc->skb, desc->offset, to, len)))  in xdr_skb_read_bits()
33 	desc->count -= len;  in xdr_skb_read_bits()
34 	desc->offset += len;  in xdr_skb_read_bits()
35 	return len;  in xdr_skb_read_bits()
47 static size_t xdr_skb_read_and_csum_bits(struct xdr_skb_reader *desc, void *to, size_t len)  in xdr_skb_read_and_csum_bits()  argument
52 	if (len > desc->count)  in xdr_skb_read_and_csum_bits()
53 		len = desc->count;  in xdr_skb_read_and_csum_bits()
55 	csum2 = skb_copy_and_csum_bits(desc->skb, pos, to, len, 0);  in xdr_skb_read_and_csum_bits()
57 	desc->count -= len;  in xdr_skb_read_and_csum_bits()
58 	desc->offset += len;  in xdr_skb_read_and_csum_bits()
59 	return len;  in xdr_skb_read_and_csum_bits()
73 	unsigned int	len, pglen = xdr->page_len;  in xdr_partial_copy_from_skb()  local
77 	len = xdr->head[0].iov_len;  in xdr_partial_copy_from_skb()
78 	if (base < len) {  in xdr_partial_copy_from_skb()
79 		len -= base;  in xdr_partial_copy_from_skb()
80 		ret = copy_actor(desc, (char *)xdr->head[0].iov_base + base, len);  in xdr_partial_copy_from_skb()
82 		if (ret != len || !desc->count)  in xdr_partial_copy_from_skb()
86 		base -= len;  in xdr_partial_copy_from_skb()
114 		len = PAGE_CACHE_SIZE;  in xdr_partial_copy_from_skb()
117 			len -= base;  in xdr_partial_copy_from_skb()
118 			if (pglen < len)  in xdr_partial_copy_from_skb()
119 				len = pglen;  in xdr_partial_copy_from_skb()
120 			ret = copy_actor(desc, kaddr + base, len);  in xdr_partial_copy_from_skb()
123 			if (pglen < len)  in xdr_partial_copy_from_skb()
124 				len = pglen;  in xdr_partial_copy_from_skb()
125 			ret = copy_actor(desc, kaddr, len);  in xdr_partial_copy_from_skb()
130 		if (ret != len || !desc->count)  in xdr_partial_copy_from_skb()
133 	} while ((pglen -= len) != 0);  in xdr_partial_copy_from_skb()
135 	len = xdr->tail[0].iov_len;  in xdr_partial_copy_from_skb()
136 	if (base < len)  in xdr_partial_copy_from_skb()
137 		copied += copy_actor(desc, (char *)xdr->tail[0].iov_base + base, len - base);  in xdr_partial_copy_from_skb()
157 	desc.count = skb->len - desc.offset;  in csum_partial_copy_to_xdr()
165 	if (desc.offset != skb->len) {  in csum_partial_copy_to_xdr()
167 		csum2 = skb_checksum(skb, desc.offset, skb->len - desc.offset, 0);  in csum_partial_copy_to_xdr()