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-rw-r--r--fs/btrfs/extent_map.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 93fba716d7f8..f0a645a14d6e 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -33,7 +33,6 @@ struct extent_map {
unsigned long flags;
struct block_device *bdev;
atomic_t refs;
- unsigned int in_tree;
unsigned int compress_type;
struct list_head list;
};
@@ -44,6 +43,11 @@ struct extent_map_tree {
rwlock_t lock;
};
+static inline int extent_map_in_tree(const struct extent_map *em)
+{
+ return !RB_EMPTY_NODE(&em->rb_node);
+}
+
static inline u64 extent_map_end(struct extent_map *em)
{
if (em->start + em->len < em->start)