1 files changed, 61 insertions, 0 deletions
diff --git a/fs/bcachefs/progress.c b/fs/bcachefs/progress.c
new file mode 100644
index 000000000000..d09898566abe
--- /dev/null
+++ b/fs/bcachefs/progress.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "bcachefs.h"
+#include "bbpos.h"
+#include "disk_accounting.h"
+#include "progress.h"
+
+void bch2_progress_init(struct progress_indicator_state *s,
+			struct bch_fs *c,
+			u64 btree_id_mask)
+{
+	memset(s, 0, sizeof(*s));
+
+	s->next_print = jiffies + HZ * 10;
+
+	for (unsigned i = 0; i < BTREE_ID_NR; i++) {
+		if (!(btree_id_mask & BIT_ULL(i)))
+			continue;
+
+		struct disk_accounting_pos acc;
+		disk_accounting_key_init(acc, btree, .id = i);
+
+		u64 v;
+		bch2_accounting_mem_read(c, disk_accounting_pos_to_bpos(&acc), &v, 1);
+		s->nodes_total += div64_ul(v, btree_sectors(c));
+	}
+}
+
+static inline bool progress_update_p(struct progress_indicator_state *s)
+{
+	bool ret = time_after_eq(jiffies, s->next_print);
+
+	if (ret)
+		s->next_print = jiffies + HZ * 10;
+	return ret;
+}
+
+void bch2_progress_update_iter(struct btree_trans *trans,
+			       struct progress_indicator_state *s,
+			       struct btree_iter *iter,
+			       const char *msg)
+{
+	struct bch_fs *c = trans->c;
+	struct btree *b = path_l(btree_iter_path(trans, iter))->b;
+
+	s->nodes_seen += b != s->last_node;
+	s->last_node = b;
+
+	if (progress_update_p(s)) {
+		struct printbuf buf = PRINTBUF;
+		unsigned percent = s->nodes_total
+			? div64_u64(s->nodes_seen * 100, s->nodes_total)
+			: 0;
+
+		prt_printf(&buf, "%s: %d%%, done %llu/%llu nodes, at ",
+			   msg, percent, s->nodes_seen, s->nodes_total);
+		bch2_bbpos_to_text(&buf, BBPOS(iter->btree_id, iter->pos));
+
+		bch_info(c, "%s", buf.buf);
+		printbuf_exit(&buf);
+	}
+}