kbuild: Fix computing srcversion for modules

[mv-sheeva.git] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0cc30ecda4c128196cd147fc06f8cf9ddbb1085b..818313e277e7c663c9273419bd3929890fec4611 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -553,6 +553,9 @@ static mddev_t * mddev_find(dev_t unit)
 {
        mddev_t *mddev, *new = NULL;
 
+       if (unit && MAJOR(unit) != MD_MAJOR)
+               unit &= ~((1<<MdpMinorShift)-1);
+
  retry:
        spin_lock(&all_mddevs_lock);
 
@@ -4138,10 +4141,10 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
        }
 
        mddev->array_sectors = sectors;
-       set_capacity(mddev->gendisk, mddev->array_sectors);
-       if (mddev->pers)
+       if (mddev->pers) {
+               set_capacity(mddev->gendisk, mddev->array_sectors);
                revalidate_disk(mddev->gendisk);
-
+       }
        return len;
 }
 
@@ -4624,6 +4627,7 @@ static int do_md_run(mddev_t *mddev)
        }
        set_capacity(mddev->gendisk, mddev->array_sectors);
        revalidate_disk(mddev->gendisk);
+       mddev->changed = 1;
        kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
 out:
        return err;
@@ -4712,6 +4716,7 @@ static void md_clean(mddev_t *mddev)
        mddev->sync_speed_min = mddev->sync_speed_max = 0;
        mddev->recovery = 0;
        mddev->in_sync = 0;
+       mddev->changed = 0;
        mddev->degraded = 0;
        mddev->safemode = 0;
        mddev->bitmap_info.offset = 0;
@@ -4827,6 +4832,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
 
                set_capacity(disk, 0);
                mutex_unlock(&mddev->open_mutex);
+               mddev->changed = 1;
                revalidate_disk(disk);
 
                if (mddev->ro)
@@ -6011,7 +6017,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
        atomic_inc(&mddev->openers);
        mutex_unlock(&mddev->open_mutex);
 
-       check_disk_size_change(mddev->gendisk, bdev);
+       check_disk_change(bdev);
  out:
        return err;
 }
@@ -6026,6 +6032,21 @@ static int md_release(struct gendisk *disk, fmode_t mode)
 
        return 0;
 }
+
+static int md_media_changed(struct gendisk *disk)
+{
+       mddev_t *mddev = disk->private_data;
+
+       return mddev->changed;
+}
+
+static int md_revalidate(struct gendisk *disk)
+{
+       mddev_t *mddev = disk->private_data;
+
+       mddev->changed = 0;
+       return 0;
+}
 static const struct block_device_operations md_fops =
 {
        .owner          = THIS_MODULE,
@@ -6036,6 +6057,8 @@ static const struct block_device_operations md_fops =
        .compat_ioctl   = md_compat_ioctl,
 #endif
        .getgeo         = md_getgeo,
+       .media_changed  = md_media_changed,
+       .revalidate_disk= md_revalidate,
 };
 
 static int md_thread(void * arg)