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    Subject[PATCH 4.10 141/167] Revert "NFSv4.1: Handle NFS4ERR_BADSESSION/NFS4ERR_DEADSESSION replies to OP_SEQUENCE"
    Date
    4.10-stable review patch.  If anyone has any objections, please let me know.

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

    From: Trond Myklebust <trond.myklebust@primarydata.com>

    commit a5e14c9376871ee74fe93fdcb380c5d54eaa2d43 upstream.

    This reverts commit 2cf10cdd486c362f983abdce00dc1127e8ab8c59.

    The patch has been seen to cause excessive looping.

    Reported-by: Olga Kornievskaia <aglo@umich.edu>
    Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
    Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    fs/nfs/nfs4proc.c | 4 ----
    1 file changed, 4 deletions(-)

    --- a/fs/nfs/nfs4proc.c
    +++ b/fs/nfs/nfs4proc.c
    @@ -815,10 +815,6 @@ static int nfs41_sequence_process(struct
    case -NFS4ERR_SEQ_FALSE_RETRY:
    ++slot->seq_nr;
    goto retry_nowait;
    - case -NFS4ERR_DEADSESSION:
    - case -NFS4ERR_BADSESSION:
    - nfs4_schedule_session_recovery(session, res->sr_status);
    - goto retry_nowait;
    default:
    /* Just update the slot sequence no. */
    slot->seq_done = 1;

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