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s390/dasd: add autoquiesce event for start IO error

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Add a check for errors in the start_io function that signal a not
working device. Trigger an autoquiesce event in that case.

Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Link: https://lore.kernel.org/r/20230405142017.2446986-7-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Stefan Haberland 2023-04-05 16:20:16 +02:00 committed by Jens Axboe
parent 0c1a147481
commit d9ee2bee4a
1 changed files with 2 additions and 0 deletions
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2
drivers/s390/block/dasd.c
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@ -1452,6 +1452,8 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
case -ENODEV:
DBF_DEV_EVENT(DBF_WARNING, device, "%s",
"start_IO: -ENODEV device gone, retry");
/* this is equivalent to CC=3 for SSCH report this to EER */
dasd_handle_autoquiesce(device, cqr, DASD_EER_STARTIO);
break;
case -EIO:
DBF_DEV_EVENT(DBF_WARNING, device, "%s",