110 	struct buffer_head *bh;  in nilfs_segbuf_extend_segsum()  local
112 	bh = sb_getblk(segbuf->sb_super,  in nilfs_segbuf_extend_segsum()
114 	if (unlikely(!bh))  in nilfs_segbuf_extend_segsum()
117 	nilfs_segbuf_add_segsum_buffer(segbuf, bh);  in nilfs_segbuf_extend_segsum()
124 	struct buffer_head *bh;  in nilfs_segbuf_extend_payload()  local
126 	bh = sb_getblk(segbuf->sb_super,  in nilfs_segbuf_extend_payload()
128 	if (unlikely(!bh))  in nilfs_segbuf_extend_payload()
131 	nilfs_segbuf_add_payload_buffer(segbuf, bh);  in nilfs_segbuf_extend_payload()
132 	*bhp = bh;  in nilfs_segbuf_extend_payload()
185 	struct buffer_head *bh;  in nilfs_segbuf_fill_in_segsum_crc()  local
190 	bh = list_entry(segbuf->sb_segsum_buffers.next, struct buffer_head,  in nilfs_segbuf_fill_in_segsum_crc()
193 	raw_sum = (struct nilfs_segment_summary *)bh->b_data;  in nilfs_segbuf_fill_in_segsum_crc()
194 	size = min_t(unsigned long, bytes, bh->b_size);  in nilfs_segbuf_fill_in_segsum_crc()
201 	list_for_each_entry_continue(bh, &segbuf->sb_segsum_buffers,  in nilfs_segbuf_fill_in_segsum_crc()
204 		size = min_t(unsigned long, bytes, bh->b_size);  in nilfs_segbuf_fill_in_segsum_crc()
205 		crc = crc32_le(crc, bh->b_data, size);  in nilfs_segbuf_fill_in_segsum_crc()
213 	struct buffer_head *bh;  in nilfs_segbuf_fill_in_data_crc()  local
218 	bh = list_entry(segbuf->sb_segsum_buffers.next, struct buffer_head,  in nilfs_segbuf_fill_in_data_crc()
220 	raw_sum = (struct nilfs_segment_summary *)bh->b_data;  in nilfs_segbuf_fill_in_data_crc()
223 		       bh->b_size - sizeof(raw_sum->ss_datasum));  in nilfs_segbuf_fill_in_data_crc()
225 	list_for_each_entry_continue(bh, &segbuf->sb_segsum_buffers,  in nilfs_segbuf_fill_in_data_crc()
227 		crc = crc32_le(crc, bh->b_data, bh->b_size);  in nilfs_segbuf_fill_in_data_crc()
229 	list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {  in nilfs_segbuf_fill_in_data_crc()
230 		kaddr = kmap_atomic(bh->b_page);  in nilfs_segbuf_fill_in_data_crc()
231 		crc = crc32_le(crc, kaddr + bh_offset(bh), bh->b_size);  in nilfs_segbuf_fill_in_data_crc()
256 	struct buffer_head *bh, *n;  in nilfs_release_buffers()  local
258 	list_for_each_entry_safe(bh, n, list, b_assoc_buffers) {  in nilfs_release_buffers()
259 		list_del_init(&bh->b_assoc_buffers);  in nilfs_release_buffers()
260 		brelse(bh);  in nilfs_release_buffers()
438 				  struct buffer_head *bh, int mode)  in nilfs_segbuf_submit_bh()  argument
451 	len = bio_add_page(wi->bio, bh->b_page, bh->b_size, bh_offset(bh));  in nilfs_segbuf_submit_bh()
452 	if (len == bh->b_size) {  in nilfs_segbuf_submit_bh()
480 	struct buffer_head *bh;  in nilfs_segbuf_write()  local
486 	list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) {  in nilfs_segbuf_write()
487 		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw);  in nilfs_segbuf_write()
492 	list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {  in nilfs_segbuf_write()
493 		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw);  in nilfs_segbuf_write()