btrfs: export find_delalloc_range (083e75e7) · Commits · 戴 / test

fs/btrfs/extent-io-tree.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -223,5 +223,8 @@ void find_first_clear_extent_bit(struct extent_io_tree *tree, u64 start,
		u64 start_ret, u64 end_ret, unsigned bits);
		int extent_invalidatepage(struct extent_io_tree *tree,
		struct page *page, unsigned long offset);
		bool btrfs_find_delalloc_range(struct extent_io_tree tree, u64 start,
		u64 *end, u64 max_bytes,
		struct extent_state **cached_state);

		#endif /* BTRFS_EXTENT_IO_TREE_H */

+5 −5

Original line number	Diff line number	Diff line
		@@ -1686,8 +1686,8 @@ out:
		*
		* true is returned if we find something, false if nothing was in the tree
		*/
		static noinline bool find_delalloc_range(struct extent_io_tree *tree,
		u64 start, u64 end, u64 max_bytes,
		bool btrfs_find_delalloc_range(struct extent_io_tree tree, u64 start,
		u64 *end, u64 max_bytes,
		struct extent_state **cached_state)
		{
		struct rb_node *node;
		@@ -1806,7 +1806,7 @@ again:
		/* step one, find a bunch of delalloc bytes starting at start */
		delalloc_start = *start;
		delalloc_end = 0;
		found = find_delalloc_range(tree, &delalloc_start, &delalloc_end,
		found = btrfs_find_delalloc_range(tree, &delalloc_start, &delalloc_end,
		max_bytes, &cached_state);
		if (!found \|\| delalloc_end <= *start) {
		*start = delalloc_start;