+++ /dev/null
-From 1f403624bde3c678a166984b1e6a727a0ce06f2b Mon Sep 17 00:00:00 2001
-From: Dan Williams <dan.j.williams@intel.com>
-Date: Tue, 31 Mar 2009 14:59:03 +1100
-Subject: [PATCH] md: centralize ->array_sectors modifications
-
-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>
-Acked-by: NeilBrown <neilb@suse.de>
----
- drivers/md/linear.c | 4 ++--
- drivers/md/md.c | 6 ++++++
- drivers/md/raid1.c | 2 +-
- drivers/md/raid10.c | 2 +-
- drivers/md/raid5.c | 8 +++++---
- include/linux/raid/md.h | 1 +
- 6 files changed, 16 insertions(+), 7 deletions(-)
-
---- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/linear.c
-+++ linux-2.6.27-SLE11_BRANCH/drivers/md/linear.c
-@@ -270,7 +270,7 @@ static int linear_run (mddev_t *mddev)
- if (!conf)
- return 1;
- mddev->private = conf;
-- mddev->array_sectors = linear_size(mddev, 0, 0);
-+ md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
-
- blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
- mddev->queue->unplug_fn = linear_unplug;
-@@ -304,7 +304,7 @@ static int linear_add(mddev_t *mddev, md
- newconf->prev = mddev_to_conf(mddev);
- mddev->private = newconf;
- mddev->raid_disks++;
-- mddev->array_sectors = linear_size(mddev, 0, 0);
-+ md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
- set_capacity(mddev->gendisk, mddev->array_sectors);
- return 0;
- }
---- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/md.c
-+++ linux-2.6.27-SLE11_BRANCH/drivers/md/md.c
-@@ -4662,6 +4662,12 @@ static int set_array_info(mddev_t * mdde
- return 0;
- }
-
-+void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors)
-+{
-+ mddev->array_sectors = array_sectors;
-+}
-+EXPORT_SYMBOL(md_set_array_sectors);
-+
- static int update_size(mddev_t *mddev, sector_t num_sectors)
- {
- mdk_rdev_t * rdev;
---- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/raid1.c
-+++ linux-2.6.27-SLE11_BRANCH/drivers/md/raid1.c
-@@ -2115,7 +2115,7 @@ static int raid1_resize(mddev_t *mddev,
- * 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 / 2 > mddev->size &&
---- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/raid10.c
-+++ linux-2.6.27-SLE11_BRANCH/drivers/md/raid10.c
-@@ -2186,7 +2186,7 @@ static int run(mddev_t *mddev)
- /*
- * Ok, everything is just fine now
- */
-- mddev->array_sectors = raid10_size(mddev, 0, 0);
-+ md_set_array_sectors(mddev, raid10_size(mddev, 0, 0));
- mddev->resync_max_sectors = mddev->array_sectors;
-
- mddev->queue->unplug_fn = raid10_unplug;
---- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/raid5.c
-+++ linux-2.6.27-SLE11_BRANCH/drivers/md/raid5.c
-@@ -4437,7 +4437,7 @@ 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_sectors = raid5_size(mddev, 0, 0);
-+ md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
-
- blk_queue_merge_bvec(mddev->queue, raid5_mergeable_bvec);
-
-@@ -4658,7 +4658,8 @@ static int raid5_resize(mddev_t *mddev,
- * worth it.
- */
- sectors &= ~((sector_t)mddev->chunk_size/512 - 1);
-- mddev->array_sectors = raid5_size(mddev, sectors, mddev->raid_disks);
-+ md_set_array_sectors(mddev, raid5_size(mddev, sectors,
-+ mddev->raid_disks));
- set_capacity(mddev->gendisk, mddev->array_sectors);
- mddev->changed = 1;
- if (sectors/2 > mddev->size && mddev->recovery_cp == MaxSector) {
-@@ -4797,7 +4798,8 @@ static void end_reshape(raid5_conf_t *co
- if (!test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) {
- mddev_t *mddev = conf->mddev;
-
-- mddev->array_sectors = raid5_size(mddev, 0, conf->raid_disks);
-+ md_set_array_sectors(mddev, raid5_size(mddev, 0,
-+ conf->raid_disks));
- set_capacity(mddev->gendisk, mddev->array_sectors);
- mddev->changed = 1;
- conf->previous_raid_disks = conf->raid_disks;
---- linux-2.6.27-SLE11_BRANCH.orig/include/linux/raid/md.h
-+++ linux-2.6.27-SLE11_BRANCH/include/linux/raid/md.h
-@@ -97,6 +97,7 @@ extern void md_do_sync(mddev_t *mddev);
- extern void md_new_event(mddev_t *mddev);
- extern int md_allow_write(mddev_t *mddev);
- extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
-+extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
-
- #endif /* CONFIG_MD */
- #endif