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-rw-r--r--fs/btrfs/extent_map.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 679225555f7b..922943ce29e8 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -14,6 +14,7 @@
#define EXTENT_FLAG_VACANCY 2 /* no file extent item found */
#define EXTENT_FLAG_PREALLOC 3 /* pre-allocated extent */
#define EXTENT_FLAG_LOGGING 4 /* Logging this extent */
+#define EXTENT_FLAG_FILLING 5 /* Filling in a preallocated extent */
struct extent_map {
struct rb_node rb_node;
@@ -24,6 +25,7 @@ struct extent_map {
u64 mod_start;
u64 mod_len;
u64 orig_start;
+ u64 orig_block_len;
u64 block_start;
u64 block_len;
u64 generation;
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