Btrfs: Add delayed allocation to the extent based page tree code
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 108944a..e91a2e9 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -11,6 +11,7 @@
struct rb_root state;
struct address_space *mapping;
rwlock_t lock;
+ int (*fill_delalloc)(struct inode *inode, u64 start, u64 end);
};
/* note, this must start with the same fields as fs/extent_map.c:tree_entry */
@@ -74,6 +75,8 @@
gfp_t mask);
int set_extent_dirty(struct extent_map_tree *tree, u64 start, u64 end,
gfp_t mask);
+int set_extent_delalloc(struct extent_map_tree *tree, u64 start, u64 end,
+ gfp_t mask);
int extent_invalidatepage(struct extent_map_tree *tree,
struct page *page, unsigned long offset);
int extent_write_full_page(struct extent_map_tree *tree, struct page *page,