From 737759fc098f7bb7fb4cef64fec731803e955e01 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 22 Jul 2024 11:25:03 -0400
Subject: [PATCH] bcachefs: Fix printbuf usage while atomic
Reported-by: syzbot+f765e51170cf13493f0b@syzkaller.appspotmail.com
Fixes: f12410bb7ddd ("bcachefs: Add an error message for insufficient rw journal devs")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
fs/bcachefs/journal_reclaim.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/bcachefs/journal_reclaim.c b/fs/bcachefs/journal_reclaim.c
index d8a6307428872..70b998d9f19ce 100644
--- a/fs/bcachefs/journal_reclaim.c
+++ b/fs/bcachefs/journal_reclaim.c
@@ -206,6 +206,7 @@ void bch2_journal_space_available(struct journal *j)
if (nr_online < metadata_replicas_required(c)) {
struct printbuf buf = PRINTBUF;
+ buf.atomic++;
prt_printf(&buf, "insufficient writeable journal devices available: have %u, need %u\n"
"rw journal devs:", nr_online, metadata_replicas_required(c));
--
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