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-rw-r--r--fs/btrfs/extent_io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 722dc7d1b674..71213438db3a 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -27,6 +27,9 @@
EXTENT_CLEAR_DATA_RESV)
#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING)
+/* Redefined bits above which are used only in the device allocation tree */
+#define CHUNK_ALLOCATED EXTENT_DIRTY
+
/*
* flags for bio submission. The high bits indicate the compression
* type for this bio