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Diffstat (limited to 'drivers/md/bcache/btree.h')
-rw-r--r--drivers/md/bcache/btree.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h
index def9dc4a822f..acebf26809cc 100644
--- a/drivers/md/bcache/btree.h
+++ b/drivers/md/bcache/btree.h
@@ -127,6 +127,8 @@ struct btree {
struct cache_set *c;
struct btree *parent;
+ struct mutex write_lock;
+
unsigned long flags;
uint16_t written; /* would be nice to kill */
uint8_t level;
@@ -236,6 +238,7 @@ static inline void rw_unlock(bool w, struct btree *b)
}
void bch_btree_node_read_done(struct btree *);
+void __bch_btree_node_write(struct btree *, struct closure *);
void bch_btree_node_write(struct btree *, struct closure *);
void bch_btree_set_root(struct btree *);