diff mbox series

[6/7] s390/dasd: add autoquiesce event for start IO error

Message ID 20230405142017.2446986-7-sth@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390/dasd: add dasd autoquiesce feature | expand

Commit Message

Stefan Haberland April 5, 2023, 2:20 p.m. UTC 
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>
---
 drivers/s390/block/dasd.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Halil Pasic April 12, 2023, 1:35 a.m. UTC | #1 
On Wed,  5 Apr 2023 16:20:16 +0200
Stefan Haberland <sth@linux.ibm.com> wrote:

> 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>

[..]
diff mbox series

Patch

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 1bfd0e17a4dc..3696931f8015 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -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",