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-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index ded7caa..45e7f75 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -142,6 +142,8 @@ struct btrfs_ordered_sum;
#define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2
+#define BTRFS_DEV_REPLACE_DEVID 0
+
/*
* the max metadata block size. This limit is somewhat artificial,
* but the memmove costs go through the roof for larger blocks.