[PATCH 2/2] NFS: debugging code for nfs_wb_page()

[Trond Myklebust]

Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
 fs/nfs/write.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b8a6d7a..0558fab 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1519,12 +1519,21 @@ int nfs_wb_page(struct inode *inode, struct page *page)
 	int ret;
 
 	while(PagePrivate(page)) {
+		unsigned dirty;
+		int syncing;
+
 		wait_on_page_writeback(page);
 		if (clear_page_dirty_for_io(page)) {
 			ret = nfs_writepage_locked(page, &wbc);
 			if (ret < 0)
 				goto out_error;
+			continue;
 		}
+
+		dirty = inode->i_state & I_DIRTY;
+		syncing = inode->i_state & I_SYNC;
+		WARN_ON(!syncing && !dirty && PagePrivate(page));
+
 		ret = sync_inode(inode, &wbc);
 		if (ret < 0)
 			goto out_error;
-- 
1.7.0.1


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