Merge branch 'for-linus' of git://neil.brown.name/md

[linux-2.6-omap-h63xx.git] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 923d1250b9a936c2cb1a5d9267df1fe4fe14164c..ed5727c089a9403b2ad10bb7e581beae5b0d36ac 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -269,12 +269,7 @@ static inline mddev_t *mddev_get(mddev_t *mddev)
        return mddev;
 }
 
-static void mddev_delayed_delete(struct work_struct *ws)
-{
-       mddev_t *mddev = container_of(ws, mddev_t, del_work);
-       kobject_del(&mddev->kobj);
-       kobject_put(&mddev->kobj);
-}
+static void mddev_delayed_delete(struct work_struct *ws);
 
 static void mddev_put(mddev_t *mddev)
 {
@@ -2888,6 +2883,8 @@ __ATTR(chunk_size, S_IRUGO|S_IWUSR, chunk_size_show, chunk_size_store);
 static ssize_t
 resync_start_show(mddev_t *mddev, char *page)
 {
+       if (mddev->recovery_cp == MaxSector)
+               return sprintf(page, "none\n");
        return sprintf(page, "%llu\n", (unsigned long long)mddev->recovery_cp);
 }
 
@@ -3469,6 +3466,8 @@ static ssize_t
 sync_speed_show(mddev_t *mddev, char *page)
 {
        unsigned long resync, dt, db;
+       if (mddev->curr_resync == 0)
+               return sprintf(page, "none\n");
        resync = mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active);
        dt = (jiffies - mddev->resync_mark) / HZ;
        if (!dt) dt++;
@@ -3807,6 +3806,21 @@ static struct kobj_type md_ktype = {
 
 int mdp_major = 0;
 
+static void mddev_delayed_delete(struct work_struct *ws)
+{
+       mddev_t *mddev = container_of(ws, mddev_t, del_work);
+
+       if (mddev->private == &md_redundancy_group) {
+               sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
+               if (mddev->sysfs_action)
+                       sysfs_put(mddev->sysfs_action);
+               mddev->sysfs_action = NULL;
+               mddev->private = NULL;
+       }
+       kobject_del(&mddev->kobj);
+       kobject_put(&mddev->kobj);
+}
+
 static int md_alloc(dev_t dev, char *name)
 {
        static DEFINE_MUTEX(disks_mutex);
@@ -4309,13 +4323,9 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
                        mddev->queue->merge_bvec_fn = NULL;
                        mddev->queue->unplug_fn = NULL;
                        mddev->queue->backing_dev_info.congested_fn = NULL;
-                       if (mddev->pers->sync_request) {
-                               sysfs_remove_group(&mddev->kobj, &md_redundancy_group);
-                               if (mddev->sysfs_action)
-                                       sysfs_put(mddev->sysfs_action);
-                               mddev->sysfs_action = NULL;
-                       }
                        module_put(mddev->pers->owner);
+                       if (mddev->pers->sync_request)
+                               mddev->private = &md_redundancy_group;
                        mddev->pers = NULL;
                        /* tell userspace to handle 'inactive' */
                        sysfs_notify_dirent(mddev->sysfs_state);
@@ -5073,14 +5083,6 @@ void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors)
 }
 EXPORT_SYMBOL(md_set_array_sectors);
 
-void md_set_array_sectors_lock(mddev_t *mddev, sector_t array_sectors)
-{
-       mddev_lock(mddev);
-       md_set_array_sectors(mddev, array_sectors);
-       mddev_unlock(mddev);
-}
-EXPORT_SYMBOL(md_set_array_sectors_lock);
-
 static int update_size(mddev_t *mddev, sector_t num_sectors)
 {
        mdk_rdev_t *rdev;
@@ -6641,6 +6643,9 @@ void md_check_recovery(mddev_t *mddev)
                                        sysfs_notify(&mddev->kobj, NULL,
                                                     "degraded");
                        }
+                       if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+                           mddev->pers->finish_reshape)
+                               mddev->pers->finish_reshape(mddev);
                        md_update_sb(mddev, 1);
 
                        /* if array is no-longer degraded, then any saved_raid_disk