diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/raid5.c | 27 | ||||
| -rw-r--r-- | drivers/md/raid5.h | 6 |
2 files changed, 17 insertions, 16 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index bc3564cfbba0..eaa2d3ee2b5d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1274,8 +1274,8 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector, sector_t new_sector; int algorithm = previous ? conf->prev_algo : conf->algorithm; - int sectors_per_chunk = previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + int sectors_per_chunk = previous ? conf->prev_chunk_sectors + : conf->chunk_sectors; int raid_disks = previous ? conf->previous_raid_disks : conf->raid_disks; int data_disks = raid_disks - conf->max_degraded; @@ -1480,8 +1480,8 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) int raid_disks = sh->disks; int data_disks = raid_disks - conf->max_degraded; sector_t new_sector = sh->sector, check; - int sectors_per_chunk = previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + int sectors_per_chunk = previous ? conf->prev_chunk_sectors + : conf->chunk_sectors; int algorithm = previous ? conf->prev_algo : conf->algorithm; sector_t stripe; @@ -1997,8 +1997,7 @@ static void stripe_set_idx(sector_t stripe, raid5_conf_t *conf, int previous, struct stripe_head *sh) { int sectors_per_chunk = - previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + previous ? conf->prev_chunk_sectors : conf->chunk_sectors; int dd_idx; int chunk_offset = sector_div(stripe, sectors_per_chunk); int disks = previous ? conf->previous_raid_disks : conf->raid_disks; @@ -3917,7 +3916,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped 1, &dd_idx, NULL); last_sector = raid5_compute_sector(conf, ((stripe_addr+reshape_sectors) - *(new_data_disks) - 1), + * new_data_disks - 1), 1, &dd_idx, NULL); if (last_sector >= mddev->dev_sectors) last_sector = mddev->dev_sectors - 1; @@ -4403,7 +4402,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) conf->fullsync = 1; } - conf->chunk_size = mddev->new_chunk_sectors << 9; + conf->chunk_sectors = mddev->new_chunk_sectors; conf->level = mddev->new_level; if (conf->level == 6) conf->max_degraded = 2; @@ -4413,7 +4412,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) conf->max_nr_stripes = NR_STRIPES; conf->reshape_progress = mddev->reshape_position; if (conf->reshape_progress != MaxSector) { - conf->prev_chunk = mddev->chunk_sectors << 9; + conf->prev_chunk_sectors = mddev->chunk_sectors; conf->prev_algo = mddev->layout; } @@ -4931,8 +4930,8 @@ static int raid5_start_reshape(mddev_t *mddev) spin_lock_irq(&conf->device_lock); conf->previous_raid_disks = conf->raid_disks; conf->raid_disks += mddev->delta_disks; - conf->prev_chunk = conf->chunk_size; - conf->chunk_size = mddev->new_chunk_sectors << 9; + conf->prev_chunk_sectors = conf->chunk_sectors; + conf->chunk_sectors = mddev->new_chunk_sectors; conf->prev_algo = conf->algorithm; conf->algorithm = mddev->new_layout; if (mddev->delta_disks < 0) @@ -5014,7 +5013,7 @@ static void end_reshape(raid5_conf_t *conf) */ { int data_disks = conf->raid_disks - conf->max_degraded; - int stripe = data_disks * (conf->chunk_size + int stripe = data_disks * ((conf->chunk_sectors << 9) / PAGE_SIZE); if (conf->mddev->queue->backing_dev_info.ra_pages < 2 * stripe) conf->mddev->queue->backing_dev_info.ra_pages = 2 * stripe; @@ -5059,7 +5058,7 @@ static void raid5_finish_reshape(mddev_t *mddev) raid5_remove_disk(mddev, d); } mddev->layout = conf->algorithm; - mddev->chunk_sectors = conf->chunk_size >> 9; + mddev->chunk_sectors = conf->chunk_sectors; mddev->reshape_position = MaxSector; mddev->delta_disks = 0; } @@ -5187,7 +5186,7 @@ static int raid5_reconfig(mddev_t *mddev, int new_layout, int new_chunk) mddev->layout = mddev->new_layout = new_layout; } if (new_chunk > 0) { - conf->chunk_size = new_chunk; + conf->chunk_sectors = new_chunk >> 9; mddev->new_chunk_sectors = new_chunk >> 9; mddev->chunk_sectors = new_chunk >> 9; } diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 1a25c9e252b4..9459689c4ea0 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -334,7 +334,8 @@ struct raid5_private_data { struct hlist_head *stripe_hashtbl; mddev_t *mddev; struct disk_info *spare; - int chunk_size, level, algorithm; + int chunk_sectors; + int level, algorithm; int max_degraded; int raid_disks; int max_nr_stripes; @@ -350,7 +351,8 @@ struct raid5_private_data { */ sector_t reshape_safe; int previous_raid_disks; - int prev_chunk, prev_algo; + int prev_chunk_sectors; + int prev_algo; short generation; /* increments with every reshape */ unsigned long reshape_checkpoint; /* Time we last updated * metadata */ |