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From: Liu Bo <bo.liu@linux.alibaba.com>
To: <linux-btrfs@vger.kernel.org>
Subject: [PATCH] Btrfs: assert page dirty bit
Date: Wed, 12 Sep 2018 06:06:21 +0800	[thread overview]
Message-ID: <1536703587-94565-2-git-send-email-bo.liu@linux.alibaba.com> (raw)

Just in case that someone breaks the rule that pages are dirty as long
as eb is dirty.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
---
 fs/btrfs/extent_io.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index fb2bf50134a1..99895f196ecb 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5184,6 +5184,11 @@ bool set_extent_buffer_dirty(struct extent_buffer *eb)
 			set_page_dirty(eb->pages[i]);
 	}
 
+#ifdef BTRFS_DEBUG
+	for (i = 0; i < num_pages; i++)
+		ASSERT(PageDirty(eb->pages[i]));
+#endif
+
 	return was_dirty;
 }
 
-- 
1.8.3.1

             reply	other threads:[~2018-09-12  3:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-11 22:06 Liu Bo [this message]
2018-09-12  6:38 ` [PATCH] Btrfs: assert page dirty bit Nikolay Borisov
2018-09-12 19:28   ` Liu Bo
2018-09-13 17:46 ` [PATCH v2] " Liu Bo
2018-09-14  6:24   ` Nikolay Borisov
2018-09-14 12:55   ` David Sterba

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