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path: root/libbcachefs/btree_key_cache.c
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Diffstat (limited to 'libbcachefs/btree_key_cache.c')
-rw-r--r--libbcachefs/btree_key_cache.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/libbcachefs/btree_key_cache.c b/libbcachefs/btree_key_cache.c
index 2b186584..aee4a551 100644
--- a/libbcachefs/btree_key_cache.c
+++ b/libbcachefs/btree_key_cache.c
@@ -13,6 +13,7 @@
#include "trace.h"
#include <linux/sched/mm.h>
+#include <linux/seq_buf.h>
static inline bool btree_uses_pcpu_readers(enum btree_id id)
{
@@ -790,6 +791,18 @@ void bch2_fs_btree_key_cache_init_early(struct btree_key_cache *c)
{
}
+static void bch2_btree_key_cache_shrinker_to_text(struct seq_buf *s, struct shrinker *shrink)
+{
+ struct bch_fs *c = shrink->private_data;
+ struct btree_key_cache *bc = &c->btree_key_cache;
+ char *cbuf;
+ size_t buflen = seq_buf_get_buf(s, &cbuf);
+ struct printbuf out = PRINTBUF_EXTERN(cbuf, buflen);
+
+ bch2_btree_key_cache_to_text(&out, bc);
+ seq_buf_commit(s, out.pos);
+}
+
int bch2_fs_btree_key_cache_init(struct btree_key_cache *bc)
{
struct bch_fs *c = container_of(bc, struct bch_fs, btree_key_cache);
@@ -814,6 +827,7 @@ int bch2_fs_btree_key_cache_init(struct btree_key_cache *bc)
bc->shrink = shrink;
shrink->count_objects = bch2_btree_key_cache_count;
shrink->scan_objects = bch2_btree_key_cache_scan;
+ shrink->to_text = bch2_btree_key_cache_shrinker_to_text;
shrink->batch = 1 << 14;
shrink->seeks = 0;
shrink->private_data = c;