bcachefs: Add btree cache stats to sysfs

[linux-block.git] / fs / bcachefs / btree_cache.c

diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 2c8f67fabc5ae7d415313897f54be736548995bc..04c71f11a5555c2ca519049af141f2069abd9033 100644 (file)
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -1065,3 +1065,9 @@ void bch2_btree_node_to_text(struct printbuf *out, struct bch_fs *c,
               stats.floats,
               stats.failed);
 }
+
+void bch2_btree_cache_to_text(struct printbuf *out, struct bch_fs *c)
+{
+       pr_buf(out, "nr nodes:\t%u\n", c->btree_cache.used);
+       pr_buf(out, "nr dirty:\t%u\n", atomic_read(&c->btree_cache.dirty));
+}