Merge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs...

[pandora-kernel.git] / fs / btrfs / volumes.h

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 05d5d19..7c58a7b 100644 (file)
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -85,6 +85,9 @@ struct btrfs_device {
        /* physical drive uuid (or lvm uuid) */
        u8 uuid[BTRFS_UUID_SIZE];
 
+       /* per-device scrub information */
+       struct scrub_dev *scrub_device;
+
        struct btrfs_work work;
 };
 
@@ -158,6 +161,9 @@ struct map_lookup {
        struct btrfs_bio_stripe stripes[];
 };
 
+#define map_lookup_size(n) (sizeof(struct map_lookup) + \
+                           (sizeof(struct btrfs_bio_stripe) * (n)))
+
 int btrfs_account_dev_extents_size(struct btrfs_device *device, u64 start,
                                   u64 end, u64 *length);