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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>
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Stefan Haberland authored and Jens Axboe committed Apr 12, 2023
1 parent 0c1a147 commit d9ee2be
Showing 1 changed file with 2 additions and 0 deletions.
2 changes: 2 additions & 0 deletions drivers/s390/block/dasd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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",
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