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    Subject[055/102] pnfs: use lwb as layoutcommit length
    3.0-stable review patch.  If anyone has any objections, please let us know.

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

    From: Peng Tao <bergwolf@gmail.com>

    commit 3557c6c3be5b2ca0b11365db7f8a813253eb520b upstream.

    Using NFS4_MAX_UINT64 will break current protocol.

    [Needed in v3.0]
    Signed-off-by: Peng Tao <peng_tao@emc.com>
    Signed-off-by: Jim Rees <rees@umich.edu>
    Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    fs/nfs/nfs4xdr.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/fs/nfs/nfs4xdr.c
    +++ b/fs/nfs/nfs4xdr.c
    @@ -1888,7 +1888,7 @@ encode_layoutcommit(struct xdr_stream *x
    *p++ = cpu_to_be32(OP_LAYOUTCOMMIT);
    /* Only whole file layouts */
    p = xdr_encode_hyper(p, 0); /* offset */
    - p = xdr_encode_hyper(p, NFS4_MAX_UINT64); /* length */
    + p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */
    *p++ = cpu_to_be32(0); /* reclaim */
    p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE);
    *p++ = cpu_to_be32(1); /* newoffset = TRUE */



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