net/ceph/messenger_v2.c

146 	struct bio_vec bv;
154 		bvec_set_page(&bv, it->bvec->bv_page,
168 		if (sendpage_ok(bv.bv_page))
173 		iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bv, 1, bv.bv_len);
232 static void set_in_bvec(struct ceph_connection *con, const struct bio_vec *bv)
236 	con->v2.in_bvec = *bv;
237 	iov_iter_bvec(&con->v2.in_iter, ITER_DEST, &con->v2.in_bvec, 1, bv->bv_len);
273 static void set_out_bvec(struct ceph_connection *con, const struct bio_vec *bv,
279 	con->v2.out_bvec = *bv;
860 			struct bio_vec *bv)
873 	bvec_set_page(bv, page, len, off);
897 	struct bio_vec bv;
905 		get_bvec_at(cursor, &bv);
908 		ceph_msg_data_advance(cursor, bv.bv_len);
949 	struct bio_vec bv;
955 		get_bvec_at(cursor, &bv);
956 		sg_set_page(*sg, bv.bv_page, bv.bv_len, bv.bv_offset);
959 		ceph_msg_data_advance(cursor, bv.bv_len);
1112 				struct bio_vec bv;
1114 				get_bvec_at(cursor, &bv);
1115 				len = min_t(int, len, bv.bv_len);
1116 				memcpy_page(bv.bv_page, bv.bv_offset,
1862 	struct bio_vec bv;
1868 	get_bvec_at(&con->v2.in_cursor, &bv);
1878 		bv.bv_page = con->bounce_page;
1879 		bv.bv_offset = 0;
1881 	set_in_bvec(con, &bv);
1888 	struct bio_vec bv;
1895 		get_bvec_at(&con->v2.in_cursor, &bv);
1896 		memcpy_to_page(bv.bv_page, bv.bv_offset,
1908 		get_bvec_at(&con->v2.in_cursor, &bv);
1910 			bv.bv_page = con->bounce_page;
1911 			bv.bv_offset = 0;
1913 		set_in_bvec(con, &bv);
1929 	struct bio_vec bv;
1940 			get_bvec_at(cursor, &bv);
1941 			memcpy_to_page(bv.bv_page, bv.bv_offset,
1957 			get_bvec_at(cursor, &bv);
1958 			if (bv.bv_len > cursor->sr_resid)
1959 				bv.bv_len = cursor->sr_resid;
1961 				bv.bv_page = con->bounce_page;
1962 				bv.bv_offset = 0;
1964 			set_in_bvec(con, &bv);
1965 			con->v2.data_len_remain -= bv.bv_len;
2005 	get_bvec_at(cursor, &bv);
2006 	if (bv.bv_len > cursor->sr_resid)
2007 		bv.bv_len = cursor->sr_resid;
2017 		bv.bv_page = con->bounce_page;
2018 		bv.bv_offset = 0;
2020 	set_in_bvec(con, &bv);
2079 	struct bio_vec bv;
2085 	bvec_set_page(&bv, con->v2.in_enc_pages[con->v2.in_enc_i],
2088 	set_in_bvec(con, &bv);
2090 	con->v2.in_enc_resid -= bv.bv_len;
3189 	struct bio_vec bv;
3195 	get_bvec_at(&con->v2.out_cursor, &bv);
3196 	set_out_bvec(con, &bv, true);
3202 	struct bio_vec bv;
3210 		get_bvec_at(&con->v2.out_cursor, &bv);
3211 		set_out_bvec(con, &bv, true);
3227 	struct bio_vec bv;
3233 	bvec_set_page(&bv, con->v2.out_enc_pages[con->v2.out_enc_i],
3236 	set_out_bvec(con, &bv, false);
3238 	con->v2.out_enc_resid -= bv.bv_len;