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pNFS/flexfiles: Fix an XDR encoding bug in layoutreturn 

[ Upstream commit 082fa37d13 ]

We must not skip encoding the statistics, or the server will see an
XDR encoding error.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # 4.0+
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
wifi-calibration
Trond Myklebust 2016-01-21 15:39:40 -05:00 committed by Sasha Levin
parent b085ab71a7
commit 9295dee2df
1 changed files with 2 additions and 4 deletions
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6
fs/nfs/flexfilelayout/flexfilelayout.c
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@ -1484,11 +1484,9 @@ ff_layout_encode_layoutreturn(struct pnfs_layout_hdr *lo,
start = xdr_reserve_space(xdr, 4);
BUG_ON(!start);
if (ff_layout_encode_ioerr(flo, xdr, args))
goto out;
ff_layout_encode_ioerr(flo, xdr, args);
ff_layout_encode_iostats(flo, xdr, args);
out:
*start = cpu_to_be32((xdr->p - start - 1) * 4);
dprintk("%s: Return\n", __func__);
}