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@@ -3104,7 +3104,6 @@ static int do_md_run(mddev_t * mddev)
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struct gendisk *disk;
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struct mdk_personality *pers;
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char b[BDEVNAME_SIZE];
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- struct block_device *bdev;
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if (list_empty(&mddev->disks))
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/* cannot run an array with no devices.. */
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@@ -3332,13 +3331,7 @@ static int do_md_run(mddev_t * mddev)
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md_wakeup_thread(mddev->thread);
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md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */
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- bdev = bdget_disk(mddev->gendisk, 0);
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- if (bdev) {
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- bd_set_size(bdev, mddev->array_size << 1);
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- blkdev_ioctl(bdev->bd_inode, NULL, BLKRRPART, 0);
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- bdput(bdev);
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- }
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-
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+ mddev->changed = 1;
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md_new_event(mddev);
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kobject_uevent(&mddev->gendisk->kobj, KOBJ_CHANGE);
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return 0;
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@@ -3460,6 +3453,7 @@ static int do_md_stop(mddev_t * mddev, int mode)
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mddev->pers = NULL;
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set_capacity(disk, 0);
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+ mddev->changed = 1;
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if (mddev->ro)
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mddev->ro = 0;
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@@ -4599,6 +4593,20 @@ static int md_release(struct inode *inode, struct file * file)
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return 0;
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}
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+static int md_media_changed(struct gendisk *disk)
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+{
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+ mddev_t *mddev = disk->private_data;
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+
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+ return mddev->changed;
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+}
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+
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+static int md_revalidate(struct gendisk *disk)
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+{
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+ mddev_t *mddev = disk->private_data;
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+
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+ mddev->changed = 0;
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+ return 0;
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+}
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static struct block_device_operations md_fops =
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{
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.owner = THIS_MODULE,
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@@ -4606,6 +4614,8 @@ static struct block_device_operations md_fops =
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.release = md_release,
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.ioctl = md_ioctl,
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.getgeo = md_getgeo,
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+ .media_changed = md_media_changed,
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+ .revalidate_disk= md_revalidate,
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};
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static int md_thread(void * arg)
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