Messages in this thread Patch in this message | | | Date | Thu, 15 May 2008 16:57:13 +0200 | From | Martin Schwidefsky <> | Subject | [patch 08/11] dasd: fix timeout handling in interrupt handler |
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From: Stefan Weinhuber <wein@de.ibm.com>
When the dasd_int_handler is called with an error code instead of an irb, the associated request should be restarted. This handling was missing from the -ETIMEDOUT case. In fact it should be done in any case.
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> ---
drivers/s390/block/dasd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
Index: quilt-2.6/drivers/s390/block/dasd.c =================================================================== --- quilt-2.6.orig/drivers/s390/block/dasd.c +++ quilt-2.6/drivers/s390/block/dasd.c @@ -925,6 +925,8 @@ static void dasd_handle_killed_request(s struct dasd_ccw_req *cqr; struct dasd_device *device; + if (!intparm) + return; cqr = (struct dasd_ccw_req *) intparm; if (cqr->status != DASD_CQR_IN_IO) { MESSAGE(KERN_DEBUG, @@ -976,17 +978,16 @@ void dasd_int_handler(struct ccw_device if (IS_ERR(irb)) { switch (PTR_ERR(irb)) { case -EIO: - dasd_handle_killed_request(cdev, intparm); break; case -ETIMEDOUT: printk(KERN_WARNING"%s(%s): request timed out\n", __func__, cdev->dev.bus_id); - //FIXME - dasd uses own timeout interface... break; default: printk(KERN_WARNING"%s(%s): unknown error %ld\n", __func__, cdev->dev.bus_id, PTR_ERR(irb)); } + dasd_handle_killed_request(cdev, intparm); return; } -- blue skies, Martin.
"Reality continues to ruin my life." - Calvin.
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