md/bitmap: fix saving of events_cleared and other state.

[pandora-kernel.git] / drivers / md / bitmap.c

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 5c93627..70bd738 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -493,11 +493,11 @@ void bitmap_update_sb(struct bitmap *bitmap)
        spin_unlock_irqrestore(&bitmap->lock, flags);
        sb = kmap_atomic(bitmap->sb_page, KM_USER0);
        sb->events = cpu_to_le64(bitmap->mddev->events);
-       if (bitmap->mddev->events < bitmap->events_cleared) {
+       if (bitmap->mddev->events < bitmap->events_cleared)
                /* rocking back to read-only */
                bitmap->events_cleared = bitmap->mddev->events;
-               sb->events_cleared = cpu_to_le64(bitmap->events_cleared);
-       }
+       sb->events_cleared = cpu_to_le64(bitmap->events_cleared);
+       sb->state = cpu_to_le32(bitmap->flags);
        /* Just in case these have been changed via sysfs: */
        sb->daemon_sleep = cpu_to_le32(bitmap->mddev->bitmap_info.daemon_sleep/HZ);
        sb->write_behind = cpu_to_le32(bitmap->mddev->bitmap_info.max_write_behind);
@@ -618,7 +618,7 @@ success:
        if (le32_to_cpu(sb->version) == BITMAP_MAJOR_HOSTENDIAN)
                bitmap->flags |= BITMAP_HOSTENDIAN;
        bitmap->events_cleared = le64_to_cpu(sb->events_cleared);
-       if (sb->state & cpu_to_le32(BITMAP_STALE))
+       if (bitmap->flags & BITMAP_STALE)
                bitmap->events_cleared = bitmap->mddev->events;
        err = 0;
 out:
@@ -652,9 +652,11 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
        switch (op) {
        case MASK_SET:
                sb->state |= cpu_to_le32(bits);
+               bitmap->flags |= bits;
                break;
        case MASK_UNSET:
                sb->state &= cpu_to_le32(~bits);
+               bitmap->flags &= ~bits;
                break;
        default:
                BUG();