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    Subject[patch 02/13] cio: Do timed recovery on workqueue.
    From: Cornelia Huck <cornelia.huck@de.ibm.com>

    We can't do our recovery in softirq context, so we schedule it from
    our timer function.

    Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
    Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
    ---

    drivers/s390/cio/device.c | 13 ++++++++++++-
    1 file changed, 12 insertions(+), 1 deletion(-)

    Index: quilt-2.6/drivers/s390/cio/device.c
    ===================================================================
    --- quilt-2.6.orig/drivers/s390/cio/device.c
    +++ quilt-2.6/drivers/s390/cio/device.c
    @@ -1535,7 +1535,7 @@ static int recovery_check(struct device
    return 0;
    }

    -static void recovery_func(unsigned long data)
    +static void recovery_work_func(struct work_struct *unused)
    {
    int redo = 0;

    @@ -1553,6 +1553,17 @@ static void recovery_func(unsigned long
    CIO_MSG_EVENT(2, "recovery: end\n");
    }

    +static DECLARE_WORK(recovery_work, recovery_work_func);
    +
    +static void recovery_func(unsigned long data)
    +{
    + /*
    + * We can't do our recovery in softirq context and it's not
    + * performance critical, so we schedule it.
    + */
    + schedule_work(&recovery_work);
    +}
    +
    void ccw_device_schedule_recovery(void)
    {
    unsigned long flags;
    --
    blue skies,
    Martin.

    "Reality continues to ruin my life." - Calvin.



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