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authorChris Mason <chris.mason@oracle.com>2007-11-27 11:16:35 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:03:58 -0400
commitca6646264b7dab662d84435441164bb2a8e8885a (patch)
tree166c8be6d3b941fac96bceaea1db8d4616d7442c /fs/btrfs/extent_map.h
parent448d640b668dae3928591e83f2bf4ca9f4c06e52 (diff)
Btrfs: Add efficient dirty accounting to the extent_map tree
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 13c562f7cb6..2ffc0c76338 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -40,6 +40,7 @@ struct extent_map_tree {
struct rb_root map;
struct rb_root state;
struct address_space *mapping;
+ u64 dirty_bytes;
rwlock_t lock;
struct extent_map_ops *ops;
spinlock_t lru_lock;