645 static void fat_ra_init(struct super_block *sb, struct fatent_ra *ra,  in fat_ra_init()  argument
670 	ra->cur = 0;  in fat_ra_init()
671 	ra->limit = (block_end + 1) - blocknr;  in fat_ra_init()
674 	ra->ra_blocks = reada_blocks >> 1;  in fat_ra_init()
675 	ra->ra_advance = ra->cur;  in fat_ra_init()
676 	ra->ra_next = ra->cur;  in fat_ra_init()
677 	ra->ra_limit = ra->cur + min_t(sector_t, reada_blocks, ra->limit);  in fat_ra_init()
681 static void fat_ent_reada(struct super_block *sb, struct fatent_ra *ra,  in fat_ent_reada()  argument
684 	if (ra->ra_next >= ra->ra_limit)  in fat_ent_reada()
687 	if (ra->cur >= ra->ra_advance) {  in fat_ent_reada()
696 		diff = blocknr - ra->cur;  in fat_ent_reada()
702 		for (; ra->ra_next < ra->ra_limit; ra->ra_next++)  in fat_ent_reada()
703 			sb_breadahead(sb, ra->ra_next + diff);  in fat_ent_reada()
707 		ra->ra_advance += ra->ra_blocks;  in fat_ent_reada()
708 		ra->ra_limit += min_t(sector_t,  in fat_ent_reada()
709 				      ra->ra_blocks, ra->limit - ra->ra_limit);  in fat_ent_reada()
711 	ra->cur++;  in fat_ent_reada()