md: Make mddev->array_size sector-based.

[linux-2.6-omap-h63xx.git] / drivers / md / raid5.c

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8f4c70a5321067a21d780eb60b8d47ed5a8082ab..42a480ba767b6d2618aaba1be2cd3d78970b66f0 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3540,7 +3540,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                            j == raid6_next_disk(sh->pd_idx, sh->disks))
                                continue;
                        s = compute_blocknr(sh, j);
-                       if (s < (mddev->array_size<<1)) {
+                       if (s < mddev->array_sectors) {
                                skipped = 1;
                                continue;
                        }
@@ -4189,7 +4189,7 @@ static int run(mddev_t *mddev)
        mddev->queue->backing_dev_info.congested_data = mddev;
        mddev->queue->backing_dev_info.congested_fn = raid5_congested;
 
-       mddev->array_size =  mddev->size * (conf->previous_raid_disks -
+       mddev->array_sectors = 2 * mddev->size * (conf->previous_raid_disks -
                                            conf->max_degraded);
 
        blk_queue_merge_bvec(mddev->queue, raid5_mergeable_bvec);
@@ -4413,8 +4413,9 @@ static int raid5_resize(mddev_t *mddev, sector_t sectors)
        raid5_conf_t *conf = mddev_to_conf(mddev);
 
        sectors &= ~((sector_t)mddev->chunk_size/512 - 1);
-       mddev->array_size = (sectors * (mddev->raid_disks-conf->max_degraded))>>1;
-       set_capacity(mddev->gendisk, mddev->array_size << 1);
+       mddev->array_sectors = sectors * (mddev->raid_disks
+                                         - conf->max_degraded);
+       set_capacity(mddev->gendisk, mddev->array_sectors);
        mddev->changed = 1;
        if (sectors/2  > mddev->size && mddev->recovery_cp == MaxSector) {
                mddev->recovery_cp = mddev->size << 1;
@@ -4547,15 +4548,16 @@ static void end_reshape(raid5_conf_t *conf)
        struct block_device *bdev;
 
        if (!test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) {
-               conf->mddev->array_size = conf->mddev->size *
+               conf->mddev->array_sectors = 2 * conf->mddev->size *
                        (conf->raid_disks - conf->max_degraded);
-               set_capacity(conf->mddev->gendisk, conf->mddev->array_size << 1);
+               set_capacity(conf->mddev->gendisk, conf->mddev->array_sectors);
                conf->mddev->changed = 1;
 
                bdev = bdget_disk(conf->mddev->gendisk, 0);
                if (bdev) {
                        mutex_lock(&bdev->bd_inode->i_mutex);
-                       i_size_write(bdev->bd_inode, (loff_t)conf->mddev->array_size << 10);
+                       i_size_write(bdev->bd_inode,
+                                    (loff_t)conf->mddev->array_sectors << 9);
                        mutex_unlock(&bdev->bd_inode->i_mutex);
                        bdput(bdev);
                }