From 061a9ff2a34f8e351714be28ce62eff1d6fa3539 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 12 Jul 2024 20:31:30 -0400
Subject: [PATCH] Update bcachefs sources to 4d1d53862afb bcachefs: show none
 if label is not set

---
 .bcachefs_revision            |  2 +-
 libbcachefs/btree_node_scan.c | 49 ++++++++++++++++++++++++-----------
 libbcachefs/super-io.c        |  5 +++-
 3 files changed, 39 insertions(+), 17 deletions(-)

diff --git a/.bcachefs_revision b/.bcachefs_revision
index afaeb7c5..c165707c 100644
--- a/.bcachefs_revision
+++ b/.bcachefs_revision
@@ -1 +1 @@
-47d1e7a86242b814ec9ff4f426d521832515f115
+4d1d53862afb768e4edcf7256f8fe0634c96b40e
diff --git a/libbcachefs/btree_node_scan.c b/libbcachefs/btree_node_scan.c
index ddc5ada3..00110722 100644
--- a/libbcachefs/btree_node_scan.c
+++ b/libbcachefs/btree_node_scan.c
@@ -22,7 +22,9 @@ struct find_btree_nodes_worker {
 
 static void found_btree_node_to_text(struct printbuf *out, struct bch_fs *c, const struct found_btree_node *n)
 {
-	prt_printf(out, "%s l=%u seq=%u cookie=%llx ", bch2_btree_id_str(n->btree_id), n->level, n->seq, n->cookie);
+	prt_printf(out, "%s l=%u seq=%u journal_seq=%llu cookie=%llx ",
+		   bch2_btree_id_str(n->btree_id), n->level, n->seq,
+		   n->journal_seq, n->cookie);
 	bch2_bpos_to_text(out, n->min_key);
 	prt_str(out, "-");
 	bch2_bpos_to_text(out, n->max_key);
@@ -63,20 +65,37 @@ static void found_btree_node_to_key(struct bkey_i *k, const struct found_btree_n
 	memcpy(bp->v.start, f->ptrs, sizeof(struct bch_extent_ptr) * f->nr_ptrs);
 }
 
+static inline u64 bkey_journal_seq(struct bkey_s_c k)
+{
+	switch (k.k->type) {
+	case KEY_TYPE_inode_v3:
+		return le64_to_cpu(bkey_s_c_to_inode_v3(k).v->bi_journal_seq);
+	default:
+		return 0;
+	}
+}
+
 static bool found_btree_node_is_readable(struct btree_trans *trans,
 					 struct found_btree_node *f)
 {
-	struct { __BKEY_PADDED(k, BKEY_BTREE_PTR_VAL_U64s_MAX); } k;
+	struct { __BKEY_PADDED(k, BKEY_BTREE_PTR_VAL_U64s_MAX); } tmp;
 
-	found_btree_node_to_key(&k.k, f);
+	found_btree_node_to_key(&tmp.k, f);
 
-	struct btree *b = bch2_btree_node_get_noiter(trans, &k.k, f->btree_id, f->level, false);
+	struct btree *b = bch2_btree_node_get_noiter(trans, &tmp.k, f->btree_id, f->level, false);
 	bool ret = !IS_ERR_OR_NULL(b);
 	if (!ret)
 		return ret;
 
 	f->sectors_written = b->written;
 	f->journal_seq = le64_to_cpu(b->data->keys.journal_seq);
+
+	struct bkey_s_c k;
+	struct bkey unpacked;
+	struct btree_node_iter iter;
+	for_each_btree_node_key_unpack(b, k, &iter, &unpacked)
+		f->journal_seq = max(f->journal_seq, bkey_journal_seq(k));
+
 	six_unlock_read(&b->c.lock);
 
 	/*
@@ -85,7 +104,7 @@ static bool found_btree_node_is_readable(struct btree_trans *trans,
 	 * this node
 	 */
 	if (b != btree_node_root(trans->c, b))
-		bch2_btree_node_evict(trans, &k.k);
+		bch2_btree_node_evict(trans, &tmp.k);
 	return ret;
 }
 
@@ -107,7 +126,7 @@ static int found_btree_node_cmp_time(const struct found_btree_node *l,
 				     const struct found_btree_node *r)
 {
 	return  cmp_int(l->seq, r->seq) ?:
-		cmp_int(l->journal_seq, r->seq);
+		cmp_int(l->journal_seq, r->journal_seq);
 }
 
 static int found_btree_node_cmp_pos(const void *_l, const void *_r)
@@ -311,15 +330,15 @@ again:
 		} else if (n->level) {
 			n->overwritten = true;
 		} else {
-			struct printbuf buf = PRINTBUF;
-
-			prt_str(&buf, "overlapping btree nodes with same seq! halting\n  ");
-			found_btree_node_to_text(&buf, c, start);
-			prt_str(&buf, "\n  ");
-			found_btree_node_to_text(&buf, c, n);
-			bch_err(c, "%s", buf.buf);
-			printbuf_exit(&buf);
-			return -BCH_ERR_fsck_repair_unimplemented;
+			if (bpos_cmp(start->max_key, n->max_key) >= 0)
+				n->overwritten = true;
+			else {
+				n->range_updated = true;
+				n->min_key = bpos_successor(start->max_key);
+				n->range_updated = true;
+				bubble_up(n, end);
+				goto again;
+			}
 		}
 	}
 
diff --git a/libbcachefs/super-io.c b/libbcachefs/super-io.c
index b156fc85..8bc81983 100644
--- a/libbcachefs/super-io.c
+++ b/libbcachefs/super-io.c
@@ -1312,7 +1312,10 @@ void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
 	prt_printf(out, "Device index:\t%u\n", sb->dev_idx);
 
 	prt_printf(out, "Label:\t");
-	prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
+	if (!strlen(sb->label))
+		prt_printf(out, "(none)");
+	else
+		prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
 	prt_newline(out);
 
 	prt_printf(out, "Version:\t");