md: Make mddev->array_size sector-based.
This patch renames the array_size field of struct mddev_s to array_sectors
and converts all instances to use units of 512 byte sectors instead of 1k
blocks.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index d107ddc..268547d 100644
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -297,7 +297,7 @@
rdev_for_each(rdev, tmp, mddev)
conf->rdev = rdev;
- mddev->array_size = mddev->size;
+ mddev->array_sectors = mddev->size * 2;
mddev->private = conf;
reconfig(mddev, mddev->layout, -1);
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index ec921f5..57644a7 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -256,7 +256,7 @@
if (!conf)
return 1;
mddev->private = conf;
- mddev->array_size = conf->array_size;
+ mddev->array_sectors = conf->array_size * 2;
blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
mddev->queue->unplug_fn = linear_unplug;
@@ -290,8 +290,8 @@
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_size * 2;
+ set_capacity(mddev->gendisk, mddev->array_sectors);
return 0;
}
diff --git a/drivers/md/md.c b/drivers/md/md.c
index df13a17..4bfbc19 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3704,7 +3704,7 @@
if (mddev->flags)
md_update_sb(mddev, 0);
- set_capacity(disk, mddev->array_size<<1);
+ set_capacity(disk, mddev->array_sectors);
/* If we call blk_queue_make_request here, it will
* re-initialise max_sectors etc which may have been
@@ -3905,7 +3905,7 @@
export_array(mddev);
- mddev->array_size = 0;
+ mddev->array_sectors = 0;
mddev->size = 0;
mddev->raid_disks = 0;
mddev->recovery_cp = 0;
@@ -4644,7 +4644,8 @@
bdev = bdget_disk(mddev->gendisk, 0);
if (bdev) {
mutex_lock(&bdev->bd_inode->i_mutex);
- i_size_write(bdev->bd_inode, (loff_t)mddev->array_size << 10);
+ i_size_write(bdev->bd_inode,
+ (loff_t)mddev->array_sectors << 9);
mutex_unlock(&bdev->bd_inode->i_mutex);
bdput(bdev);
}
@@ -5391,10 +5392,11 @@
if (!list_empty(&mddev->disks)) {
if (mddev->pers)
seq_printf(seq, "\n %llu blocks",
- (unsigned long long)mddev->array_size);
+ (unsigned long long)
+ mddev->array_sectors / 2);
else
seq_printf(seq, "\n %llu blocks",
- (unsigned long long)size);
+ (unsigned long long)size);
}
if (mddev->persistent) {
if (mddev->major_version != 0 ||
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 541cbe3..c4779cc 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -504,7 +504,7 @@
/*
* Ok, everything is just fine now
*/
- mddev->array_size = mddev->size;
+ mddev->array_sectors = mddev->size * 2;
mddev->queue->unplug_fn = multipath_unplug;
mddev->queue->backing_dev_info.congested_fn = multipath_congested;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 914c04d..2f30ebd 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -293,16 +293,16 @@
goto out_free_conf;
/* calculate array device size */
- mddev->array_size = 0;
+ mddev->array_sectors = 0;
rdev_for_each(rdev, tmp, mddev)
- mddev->array_size += rdev->size;
+ mddev->array_sectors += rdev->size * 2;
printk("raid0 : md_size is %llu blocks.\n",
- (unsigned long long)mddev->array_size);
+ (unsigned long long)mddev->array_sectors / 2);
printk("raid0 : conf->hash_spacing is %llu blocks.\n",
(unsigned long long)conf->hash_spacing);
{
- sector_t s = mddev->array_size;
+ sector_t s = mddev->array_sectors / 2;
sector_t space = conf->hash_spacing;
int round;
conf->preshift = 0;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 491dc2d..03a5ab7 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2043,7 +2043,7 @@
/*
* Ok, everything is just fine now
*/
- mddev->array_size = mddev->size;
+ mddev->array_sectors = mddev->size * 2;
mddev->queue->unplug_fn = raid1_unplug;
mddev->queue->backing_dev_info.congested_fn = raid1_congested;
@@ -2105,14 +2105,15 @@
* any io in the removed space completes, but it hardly seems
* worth it.
*/
- mddev->array_size = sectors>>1;
- set_capacity(mddev->gendisk, mddev->array_size << 1);
+ mddev->array_sectors = sectors;
+ set_capacity(mddev->gendisk, mddev->array_sectors);
mddev->changed = 1;
- if (mddev->array_size > mddev->size && mddev->recovery_cp == MaxSector) {
+ if (mddev->array_sectors / 2 > mddev->size &&
+ mddev->recovery_cp == MaxSector) {
mddev->recovery_cp = mddev->size << 1;
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
}
- mddev->size = mddev->array_size;
+ mddev->size = mddev->array_sectors / 2;
mddev->resync_max_sectors = sectors;
return 0;
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index df08a9f..2acea40 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2164,7 +2164,7 @@
/*
* Ok, everything is just fine now
*/
- mddev->array_size = size << (conf->chunk_shift-1);
+ mddev->array_sectors = size << conf->chunk_shift;
mddev->resync_max_sectors = size << conf->chunk_shift;
mddev->queue->unplug_fn = raid10_unplug;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8f4c70a..42a480b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3540,7 +3540,7 @@
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 @@
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 @@
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 @@
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);
}