Re: Patches for the patchqueue

["Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>]

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vfs: Don't flush delay buffer to disk

From: Mingming Cao <cmm@us.ibm.com>

In block_write_full_page() error case, we need to check the
delayed flag before flush bh to disk when trying to recover from
error.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---

 fs/buffer.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/fs/buffer.c b/fs/buffer.c
index 2f86ca5..26dddac 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1775,7 +1775,8 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
 	bh = head;
 	/* Recovery: lock and submit the mapped buffers */
 	do {
-		if (buffer_mapped(bh) && buffer_dirty(bh)) {
+		if (buffer_mapped(bh) && buffer_dirty(bh)
+			&& !buffer_delay(bh)) {
 			lock_buffer(bh);
 			mark_buffer_async_write(bh);
 		} else {