drivers/md/raid5.c

925 	if (!sector_div(tmp_sec, conf->chunk_sectors))
2971 					 : conf->chunk_sectors;
3167 					 : conf->chunk_sectors;
3498 		if (first + conf->chunk_sectors * (count - 1) != last)
3605 		previous ? conf->prev_chunk_sectors : conf->chunk_sectors;
5373 	unsigned int chunk_sectors;
5376 	chunk_sectors = min(conf->chunk_sectors, conf->prev_chunk_sectors);
5377 	return  chunk_sectors >=
5378 		((sector & (chunk_sectors - 1)) + bio_sectors);
5529 	unsigned chunk_sects = mddev->chunk_sectors;
5742 	stripe_sectors = conf->chunk_sectors *
5748 	logical_sector *= conf->chunk_sectors;
5749 	last_sector *= conf->chunk_sectors;
6030 	int sectors_per_chunk = conf->chunk_sectors;
6244 	reshape_sectors = max(conf->chunk_sectors, conf->prev_chunk_sectors);
7271 	sectors &= ~((sector_t)conf->chunk_sectors - 1);
7295 			   max(conf->chunk_sectors,
7368 		conf->scribble_sectors = max(conf->chunk_sectors,
7556 	conf->chunk_sectors = mddev->new_chunk_sectors;
7603 		conf->prev_chunk_sectors = mddev->chunk_sectors;
7606 		conf->prev_chunk_sectors = conf->chunk_sectors;
7613 			((mddev->chunk_sectors << 9) / RAID5_STRIPE_SIZE(conf)) * 4,
7712 	stripe = roundup_pow_of_two(data_disks * (mddev->chunk_sectors << 9));
7715 	lim.io_min = mddev->chunk_sectors << 9;
7816 		int chunk_sectors;
7839 		chunk_sectors = max(mddev->chunk_sectors, mddev->new_chunk_sectors);
7841 		if (sector_div(here_new, chunk_sectors * new_data_disks)) {
7846 		reshape_offset = here_new * chunk_sectors;
7849 		sector_div(here_old, chunk_sectors * (old_disks-max_degraded));
7860 			if (abs(min_offset_diff) >= mddev->chunk_sectors &&
7869 		    ? (here_new * chunk_sectors + min_offset_diff <=
7870 		       here_old * chunk_sectors)
7871 		    : (here_new * chunk_sectors >=
7872 		       here_old * chunk_sectors + (-min_offset_diff))) {
7883 		BUG_ON(mddev->chunk_sectors != mddev->new_chunk_sectors);
7972 	mddev->dev_sectors &= ~((sector_t)mddev->chunk_sectors - 1);
8050 		conf->chunk_sectors / 2, mddev->layout);
8305 	sectors &= ~((sector_t)conf->chunk_sectors - 1);
8337 	if (((mddev->chunk_sectors << 9) / RAID5_STRIPE_SIZE(conf)) * 4
8343 			((max(mddev->chunk_sectors, mddev->new_chunk_sectors) << 9)
8358 	    mddev->new_chunk_sectors == mddev->chunk_sectors)
8378 	if (mddev->new_chunk_sectors > mddev->chunk_sectors ||
8384 				      mddev->chunk_sectors)
8446 	conf->prev_chunk_sectors = conf->chunk_sectors;
8447 	conf->chunk_sectors = mddev->new_chunk_sectors;
8574 		mddev->chunk_sectors = conf->chunk_sectors;
8633 	mddev->new_chunk_sectors = mddev->chunk_sectors;
8738 			conf->chunk_sectors = new_chunk ;
8739 			mddev->chunk_sectors = new_chunk;