From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Thu, 20 Feb 2025 14:17:17 +0000 (-0500)
Subject: bcachefs: print op->nonce on data update inconsistency
X-Git-Tag: v6.14-rc5~25^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=68aaa637162787dc3374080efe03366f70b344f1;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: print op->nonce on data update inconsistency

"nonce inconstancy" is popping up again, causing us to go emergency
read-only.

This one looks less serious, i.e. specific to the encryption path and
not indicative of a data corruption bug. But we'll need more info to
track it down.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index 337494facac64..642fbc60ecab1 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -340,6 +340,7 @@ restart_drop_extra_replicas:
 			struct printbuf buf = PRINTBUF;
 
 			prt_str(&buf, "about to insert invalid key in data update path");
+			prt_printf(&buf, "\nop.nonce: %u", m->op.nonce);
 			prt_str(&buf, "\nold: ");
 			bch2_bkey_val_to_text(&buf, c, old);
 			prt_str(&buf, "\nk:   ");