Commit 2ecec0d6 authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

btrfs: unexport extent_map_block_end() 



The helper extent_map_block_end() is currently not used anywhere outside
extent_map.c, so move into from extent_map.h into extent_map.c. While at
it, also make the extent map pointer argument as const.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 3128b548

fs/btrfs/extent_map.c

+7 −0
Original line number Diff line number Diff line
@@ -182,6 +182,13 @@ static struct rb_node *__tree_search(struct rb_root *root, u64 offset, 
	return NULL;

}



static inline u64 extent_map_block_end(const struct extent_map *em)

{

	if (em->block_start + em->block_len < em->block_start)

		return (u64)-1;

	return em->block_start + em->block_len;

}



/* Check to see if two extent_map structs are adjacent and safe to merge. */

static int mergable_maps(struct extent_map *prev, struct extent_map *next)

{

fs/btrfs/extent_map.h

+0 −7
Original line number Diff line number Diff line
@@ -77,13 +77,6 @@ static inline u64 extent_map_end(struct extent_map *em) 
	return em->start + em->len;

}



static inline u64 extent_map_block_end(struct extent_map *em)

{

	if (em->block_start + em->block_len < em->block_start)

		return (u64)-1;

	return em->block_start + em->block_len;

}



void extent_map_tree_init(struct extent_map_tree *tree);

struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,

					 u64 start, u64 len);