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btrfs: unexport extent_map_block_end()

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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: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2023-11-21 13:38:36 +00:00 committed by David Sterba
parent 3128b548c7
commit 2ecec0d6a5
2 changed files with 7 additions and 7 deletions
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7
fs/btrfs/extent_map.c
View File

@ -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)
{

7
fs/btrfs/extent_map.h
View File

@ -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);