Btrfs: Add block group pinned accounting back
This patch adds a helper function 'update_pinned_extents' to
extent-tree.c. The usage of the helper function is similar to
'update_block_group', the last parameter of the function indicates
pin vs unpin.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 27cadae..56b977f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -292,8 +292,8 @@
struct btrfs_block_group_item item;
int data;
int cached;
+ u64 pinned;
};
-
struct btrfs_fs_info {
u8 fsid[BTRFS_FSID_SIZE];
struct btrfs_root *extent_root;
@@ -324,8 +324,9 @@
struct completion kobj_unregister;
int do_barriers;
int closing;
-};
+ u64 total_pinned;
+};
/*
* in ram representation of the tree. extent_root is used for all allocations
* and for the extent tree extent_root root.
