>From 6161b656c3c1df43bc552a60056bc12d7913a90b Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 4 Sep 2017 14:26:38 +0200 Subject: [PATCH] xfs: Debug when page can get dirty without buffers Signed-off-by: Jan Kara --- fs/xfs/xfs_aops.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 6bf120bb1a17..117535086bc7 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1380,6 +1380,7 @@ xfs_vm_set_page_dirty( offset = page_offset(page); spin_lock(&mapping->private_lock); + WARN_ON_ONCE(!page_has_buffers(page)); if (page_has_buffers(page)) { struct buffer_head *head = page_buffers(page); struct buffer_head *bh = head; -- 2.12.3