X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;ds=sidebyside;f=extent_io.h;h=17a4a829863587222d677197d5c682ebfc05c28b;hb=8d6c4447823fa73e928e43f3c2f90f1da0ad5a47;hp=ae5ef57bab8dab53162fdff90ef12a7826042ecf;hpb=e1a67a59a9490003f685141c0478be8e6827c736;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/extent_io.h b/extent_io.h
index ae5ef57..17a4a82 100644
--- a/extent_io.h
+++ b/extent_io.h
@@ -75,6 +75,7 @@ struct extent_io_tree {
 	struct cache_tree cache;
 	struct list_head lru;
 	u64 cache_size;
+	u64 max_cache_size;
 };
 
 struct extent_state {
@@ -106,6 +107,8 @@ static inline void extent_buffer_get(struct extent_buffer *eb)
 }
 
 void extent_io_tree_init(struct extent_io_tree *tree);
+void extent_io_tree_init_cache_max(struct extent_io_tree *tree,
+				   u64 max_cache_size);
 void extent_io_tree_cleanup(struct extent_io_tree *tree);
 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, int bits);
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, int bits);
@@ -114,8 +117,7 @@ int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
 		   int bits, int filled);
 int set_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end);
-int clear_extent_dirty(struct extent_io_tree *tree, u64 start,
-		       u64 end, gfp_t mask);
+int clear_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end);
 static inline int set_extent_buffer_uptodate(struct extent_buffer *eb)
 {
 	eb->flags |= EXTENT_UPTODATE;
@@ -147,6 +149,7 @@ struct extent_buffer *alloc_extent_buffer(struct extent_io_tree *tree,
 					  u64 bytenr, u32 blocksize);
 struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src);
 void free_extent_buffer(struct extent_buffer *eb);
+void free_extent_buffer_nocache(struct extent_buffer *eb);
 int read_extent_from_disk(struct extent_buffer *eb,
 			  unsigned long offset, unsigned long len);
 int write_extent_to_disk(struct extent_buffer *eb);