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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 d3562dd43c66..b3dd55f52f71 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -198,6 +198,8 @@ static int btrfs_csum_sizes[] = { 4, 0 };
#define BTRFS_DIRTY_METADATA_THRESH (32 * 1024 * 1024)
+#define BTRFS_MAX_EXTENT_SIZE (128 * 1024 * 1024)
+
/*
* The key defines the order in the tree, and so it also defines (optimal)
* block layout.