diff options
Diffstat (limited to 'fs/btrfs/extent_map.h')
| -rw-r--r-- | fs/btrfs/extent_map.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index 26ac6fe0b26..abbcbeb28c7 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -10,6 +10,7 @@ /* bits for the flags field */ #define EXTENT_FLAG_PINNED 0 /* this entry not yet on disk, don't free it */ +#define EXTENT_FLAG_COMPRESSED 1 struct extent_map { struct rb_node rb_node; @@ -18,6 +19,7 @@ struct extent_map { u64 start; u64 len; u64 block_start; + u64 block_len; unsigned long flags; struct block_device *bdev; atomic_t refs; @@ -38,9 +40,9 @@ static inline u64 extent_map_end(struct extent_map *em) static inline u64 extent_map_block_end(struct extent_map *em) { - if (em->block_start + em->len < em->block_start) + if (em->block_start + em->block_len < em->block_start) return (u64)-1; - return em->block_start + em->len; + return em->block_start + em->block_len; } void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask); |