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    Subject[PATCH 4.9 15/72] xfs: reset b_first_retry_time when clear the retry status of xfs_buf_t
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

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

    From: Hou Tao <houtao1@huawei.com>

    commit 4dd2eb633598cb6a5a0be2fd9a2be0819f5eeb5f upstream.

    After successful IO or permanent error, b_first_retry_time also
    needs to be cleared, else the invalid first retry time will be
    used by the next retry check.

    Signed-off-by: Hou Tao <houtao1@huawei.com>
    Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
    Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    fs/xfs/xfs_buf_item.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/fs/xfs/xfs_buf_item.c
    +++ b/fs/xfs/xfs_buf_item.c
    @@ -1162,6 +1162,7 @@ xfs_buf_iodone_callbacks(
    */
    bp->b_last_error = 0;
    bp->b_retries = 0;
    + bp->b_first_retry_time = 0;

    xfs_buf_do_callbacks(bp);
    bp->b_fspriv = NULL;

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