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md: centralize ->array_sectors modifications

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Get personalities out of the business of directly modifying
->array_sectors.  Lays groundwork to introduce policy on when
->array_sectors can be modified.

Reviewed-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2009-03-31 14:59:03 +11:00
parent 80c3a6ce4b
commit 1f403624bd
9 changed files with 20 additions and 11 deletions
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4
drivers/md/raid1.c
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@@ -2059,7 +2059,7 @@ static int run(mddev_t *mddev)
/*
* Ok, everything is just fine now
*/
mddev->array_sectors = raid1_size(mddev, 0, 0);
md_set_array_sectors(mddev, raid1_size(mddev, 0, 0));
mddev->queue->unplug_fn = raid1_unplug;
mddev->queue->backing_dev_info.congested_fn = raid1_congested;
@@ -2124,7 +2124,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
* any io in the removed space completes, but it hardly seems
* worth it.
*/
mddev->array_sectors = raid1_size(mddev, sectors, 0);
md_set_array_sectors(mddev, raid1_size(mddev, sectors, 0));
set_capacity(mddev->gendisk, mddev->array_sectors);
mddev->changed = 1;
if (mddev->array_sectors > mddev->dev_sectors &&