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Commit cd716d8f authored Dec 03, 2015 by David Sterba

btrfs: make lock_extent static inline



One call less reduces stack usage, code slightly reduced as well.

Signed-off-by: David Sterba <dsterba@suse.com>

parent ff13db41

fs/btrfs/extent_io.c

+0 −5

Original line number	Original line	Diff line number	Diff line
	@@ -1347,11 +1347,6 @@ int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
	return err;		return err;
	}		}

	int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
	{
	return lock_extent_bits(tree, start, end, NULL);
	}

	int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end)		int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
	{		{
	int err;		int err;

fs/btrfs/extent_io.h

+6 −1

Original line number	Original line	Diff line number	Diff line
	@@ -199,9 +199,14 @@ int try_release_extent_mapping(struct extent_map_tree *map,
	struct extent_io_tree tree, struct page page,		struct extent_io_tree tree, struct page page,
	gfp_t mask);		gfp_t mask);
	int try_release_extent_buffer(struct page *page);		int try_release_extent_buffer(struct page *page);
	int lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
	int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,		int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
	struct extent_state **cached);		struct extent_state **cached);

			static inline int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
			{
			return lock_extent_bits(tree, start, end, NULL);
			}

	int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);		int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
	int extent_read_full_page(struct extent_io_tree tree, struct page page,		int extent_read_full_page(struct extent_io_tree tree, struct page page,
	get_extent_t *get_extent, int mirror_num);		get_extent_t *get_extent, int mirror_num);