120 			struct buffer_head *bh;  in nilfs_compute_checksum()  local
122 			bh = __bread(nilfs->ns_bdev, ++start, blocksize);  in nilfs_compute_checksum()
123 			if (!bh)  in nilfs_compute_checksum()
127 			crc = crc32_le(crc, bh->b_data, size);  in nilfs_compute_checksum()
128 			brelse(bh);  in nilfs_compute_checksum()
320 	struct buffer_head *bh;  in nilfs_scan_dsync_log()  local
333 	bh = __bread(nilfs->ns_bdev, start_blocknr, nilfs->ns_blocksize);  in nilfs_scan_dsync_log()
334 	if (unlikely(!bh))  in nilfs_scan_dsync_log()
342 		finfo = nilfs_read_summary_info(nilfs, &bh, &offset,  in nilfs_scan_dsync_log()
356 			binfo = nilfs_read_summary_info(nilfs, &bh, &offset,  in nilfs_scan_dsync_log()
376 		nilfs_skip_summary_info(nilfs, &bh, &offset, sizeof(__le64),  in nilfs_scan_dsync_log()
378 		if (unlikely(!bh))  in nilfs_scan_dsync_log()
383 	brelse(bh);   /* brelse(NULL) is just ignored */  in nilfs_scan_dsync_log()
706 	struct buffer_head *bh;  in nilfs_finish_roll_forward()  local
713 	bh = __getblk(nilfs->ns_bdev, ri->ri_lsegs_start, nilfs->ns_blocksize);  in nilfs_finish_roll_forward()
714 	BUG_ON(!bh);  in nilfs_finish_roll_forward()
715 	memset(bh->b_data, 0, bh->b_size);  in nilfs_finish_roll_forward()
716 	set_buffer_dirty(bh);  in nilfs_finish_roll_forward()
717 	err = sync_dirty_buffer(bh);  in nilfs_finish_roll_forward()
722 	brelse(bh);  in nilfs_finish_roll_forward()