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From: Weiming Shi <bestswngs@gmail.com>
To: linux-xfs@vger.kernel.org
Cc: Carlos Maiolino <cem@kernel.org>,
	"Darrick J . Wong" <djwong@kernel.org>,
	Brian Foster <bfoster@redhat.com>,
	Christoph Hellwig <hch@infradead.org>, Xiang Mei <xmei5@asu.edu>,
	Weiming Shi <bestswngs@gmail.com>, Christoph Hellwig <hch@lst.de>
Subject: [PATCH v3 2/3] xfs: splice unsorted log items back to the transaction after the loop
Date: Thu,  2 Jul 2026 09:19:59 -0700	[thread overview]
Message-ID: <20260702162000.3548359-3-bestswngs@gmail.com> (raw)
In-Reply-To: <20260702162000.3548359-1-bestswngs@gmail.com>

On error, xlog_recover_reorder_trans() splices the leftover sort_list
items back to trans->r_itemq inside the loop before breaking out.  The
loop tail already splices the per-fate lists back, so do sort_list there
too, guarded by the assert that used to sit after the loop.

No functional change.  It drops the duplicated splice so the next patch
can add another error case without repeating it.

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Weiming Shi <bestswngs@gmail.com>
---
 fs/xfs/xfs_log_recover.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index a1b373c68f0e..103b2a79667b 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1912,12 +1912,6 @@ xlog_recover_reorder_trans(
 			xfs_warn(log->l_mp,
 				"%s: unrecognized type of log operation (%d)",
 				__func__, ITEM_TYPE(item));
-			/*
-			 * return the remaining items back to the transaction
-			 * item list so they can be freed in caller.
-			 */
-			if (!list_empty(&sort_list))
-				list_splice_init(&sort_list, &trans->r_itemq);
 			error = -EFSCORRUPTED;
 			break;
 		}
@@ -1945,7 +1939,15 @@ xlog_recover_reorder_trans(
 		}
 	}
 
-	ASSERT(list_empty(&sort_list));
+	/*
+	 * Return the remaining items back to the transaction item list so they
+	 * can be freed in caller.  This should only happen when we encounter
+	 * an error.
+	 */
+	if (!list_empty(&sort_list)) {
+		ASSERT(error);
+		list_splice_init(&sort_list, &trans->r_itemq);
+	}
 	if (!list_empty(&buffer_list))
 		list_splice(&buffer_list, &trans->r_itemq);
 	if (!list_empty(&item_list))
-- 
2.43.0


  parent reply	other threads:[~2026-07-02 16:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-02 16:19 [PATCH v3 0/3] xfs: fix NULL deref in log recovery reorder Weiming Shi
2026-07-02 16:19 ` [PATCH v3 1/3] xfs: drop ASSERT(0) on unrecognized log item type Weiming Shi
2026-07-02 16:19 ` Weiming Shi [this message]
2026-07-02 16:20 ` [PATCH v3] xfs: fail recovery on a committed log item with no regions Weiming Shi
2026-07-02 19:45   ` Darrick J. Wong

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