From: Kent Overstreet <kent.overstreet@gmail.com>
Date: Wed, 10 Feb 2021 18:39:48 +0000 (-0500)
Subject: bcachefs: Assert that we're not trying to flush journal seq in the future
X-Git-Tag: v6.7-rc1~201^2~1798
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5ea037d03cabc219f5b2ccd72b7a33fa036c9bfc;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: Assert that we're not trying to flush journal seq in the future

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

diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c
index b33d985fa020d..c2b1eef6265a1 100644
--- a/fs/bcachefs/journal.c
+++ b/fs/bcachefs/journal.c
@@ -574,6 +574,8 @@ int bch2_journal_flush_seq_async(struct journal *j, u64 seq,
 
 	spin_lock(&j->lock);
 
+	BUG_ON(seq > journal_cur_seq(j));
+
 	/* Recheck under lock: */
 	if (j->err_seq && seq >= j->err_seq) {
 		ret = -EIO;