diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 7e4f358a26a6..eec517ced31a 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -60,6 +60,12 @@ struct mdk_rdev_s mddev_t *mddev; /* RAID array if running */ int last_events; /* IO event timestamp */ + /* + * If meta_bdev is non-NULL, it means that a separate device is + * being used to store the metadata (superblock/bitmap) which + * would otherwise be contained on the same device as the data (bdev). + */ + struct block_device *meta_bdev; struct block_device *bdev; /* block device handle */ struct page *sb_page; |