[PATCH 4.1 064/159] NFS41/flexfiles: zero out DS write wcc

[Greg Kroah-Hartman]

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>

commit 5420401079e152ff68a8024f6a375804b1c21505 upstream.

We do not want to update inode attributes with DS values.

Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfs/flexfilelayout/flexfilelayout.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1039,6 +1039,8 @@ static int ff_layout_write_done_cb(struc
 	    hdr->res.verf->committed == NFS_DATA_SYNC)
 		ff_layout_set_layoutcommit(hdr);
 
+	/* zero out fattr since we don't care DS attr at all */
+	hdr->fattr.valid = 0;
 	if (task->tk_status >= 0)
 		nfs_writeback_update_inode(hdr);
 


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