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Commit f233ea5c authored by Andre Noll's avatar Andre Noll Committed by NeilBrown
Browse files

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: default avatarAndre Noll <maan@systemlinux.org>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 15f4a5fd

drivers/md/faulty.c

+1 −1
Original line number Diff line number Diff line
@@ -297,7 +297,7 @@ static int run(mddev_t *mddev) 
	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);

drivers/md/linear.c

+3 −3
Original line number Diff line number Diff line
@@ -256,7 +256,7 @@ 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_size * 2;



	blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);

	mddev->queue->unplug_fn = linear_unplug;
@@ -290,8 +290,8 @@ 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_size * 2;

	set_capacity(mddev->gendisk, mddev->array_sectors);

	return 0;

}

drivers/md/md.c

+7 −5
Original line number Diff line number Diff line
@@ -3704,7 +3704,7 @@ static int do_md_run(mddev_t * mddev) 
	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 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open) 


		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 @@ static int update_size(mddev_t *mddev, sector_t num_sectors) 
		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);

		}
@@ -5391,7 +5392,8 @@ static int md_seq_show(struct seq_file *seq, void *v) 
		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);

drivers/md/multipath.c

+1 −1
Original line number Diff line number Diff line
@@ -504,7 +504,7 @@ static int multipath_run (mddev_t *mddev) 
	/*

	 * 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;

drivers/md/raid0.c

+4 −4
Original line number Diff line number Diff line
@@ -293,16 +293,16 @@ static int raid0_run (mddev_t *mddev) 
		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;