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path: root/drivers/md/linear.c
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Diffstat (limited to 'drivers/md/linear.c')
-rw-r--r--drivers/md/linear.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 6a866d7c8ae..b1eebf88c20 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -122,13 +122,13 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
return NULL;
cnt = 0;
- conf->array_size = 0;
+ conf->array_sectors = 0;
rdev_for_each(rdev, tmp, mddev) {
int j = rdev->raid_disk;
dev_info_t *disk = conf->disks + j;
- if (j < 0 || j > raid_disks || disk->rdev) {
+ if (j < 0 || j >= raid_disks || disk->rdev) {
printk("linear: disk numbering problem. Aborting!\n");
goto out;
}
@@ -146,7 +146,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9);
disk->size = rdev->size;
- conf->array_size += rdev->size;
+ conf->array_sectors += rdev->size * 2;
cnt++;
}
@@ -155,7 +155,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
goto out;
}
- min_spacing = conf->array_size;
+ min_spacing = conf->array_sectors / 2;
sector_div(min_spacing, PAGE_SIZE/sizeof(struct dev_info *));
/* min_spacing is the minimum spacing that will fit the hash
@@ -164,7 +164,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
* that is larger than min_spacing as use the size of that as
* the actual spacing
*/
- conf->hash_spacing = conf->array_size;
+ conf->hash_spacing = conf->array_sectors / 2;
for (i=0; i < cnt-1 ; i++) {
sector_t sz = 0;
int j;
@@ -194,7 +194,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
unsigned round;
unsigned long base;
- sz = conf->array_size >> conf->preshift;
+ sz = conf->array_sectors >> (conf->preshift + 1);
sz += 1; /* force round-up */
base = conf->hash_spacing >> conf->preshift;
round = sector_div(sz, base);
@@ -221,7 +221,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
curr_offset = 0;
i = 0;
for (curr_offset = 0;
- curr_offset < conf->array_size;
+ curr_offset < conf->array_sectors / 2;
curr_offset += conf->hash_spacing) {
while (i < raid_disks-1 &&
@@ -258,7 +258,7 @@ static int linear_run (mddev_t *mddev)
if (!conf)
return 1;
mddev->private = conf;
- mddev->array_size = conf->array_size;
+ mddev->array_sectors = conf->array_sectors;
blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
mddev->queue->unplug_fn = linear_unplug;
@@ -292,8 +292,8 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
newconf->prev = mddev_to_conf(mddev);
mddev->private = newconf;
mddev->raid_disks++;
- mddev->array_size = newconf->array_size;
- set_capacity(mddev->gendisk, mddev->array_size << 1);
+ mddev->array_sectors = newconf->array_sectors;
+ set_capacity(mddev->gendisk, mddev->array_sectors);
return 0;
}