diff options
Diffstat (limited to 'extent-cache.c')
| -rw-r--r-- | extent-cache.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/extent-cache.c b/extent-cache.c index cfc6b639..4e6d1b29 100644 --- a/extent-cache.c +++ b/extent-cache.c @@ -143,6 +143,15 @@ struct cache_extent *find_first_cache_extent(struct cache_tree *tree, return entry; } +struct cache_extent *prev_cache_extent(struct cache_extent *pe) +{ + struct rb_node *node = rb_prev(&pe->rb_node); + + if (!node) + return NULL; + return rb_entry(node, struct cache_extent, rb_node); +} + struct cache_extent *next_cache_extent(struct cache_extent *pe) { struct rb_node *node = rb_next(&pe->rb_node); |