Commit 1fca631a authored by Stefan Haberland's avatar Stefan Haberland Committed by Jens Axboe
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s390/dasd: suppress generic error messages for PPRC secondary devices 



Suppress generic command reject messages and dump of sense data for
Peer-To-Peer-Remote-Copy (PPRC) secondary errors.
If IO is issued on a PPRC secondary device, a specific
error message is printed instead.

Signed-off-by: default avatarStefan Haberland <sth@linux.ibm.com>
Reviewed-by: default avatarJan Hoeppner <hoeppner@linux.ibm.com>
Link: https://lore.kernel.org/r/20220920192616.808070-7-sth@linux.ibm.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 112ff512

arch/s390/include/asm/scsw.h

+5 −0
Original line number Diff line number Diff line
@@ -215,6 +215,11 @@ union scsw { 
#define SNS2_ENV_DATA_PRESENT	0x10

#define SNS2_INPRECISE_END	0x04



/*

 * architectured values for PPRC errors

 */

#define SNS7_INVALID_ON_SEC	0x0e



/**

 * scsw_is_tm - check for transport mode scsw

 * @scsw: pointer to scsw

drivers/s390/block/dasd_3990_erp.c

+5 −0
Original line number Diff line number Diff line
@@ -1050,6 +1050,11 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense) 
		dev_err(&device->cdev->dev, "An I/O request was rejected"

			" because writing is inhibited\n");

		erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);

	} else if (sense[7] & SNS7_INVALID_ON_SEC) {

		dev_err(&device->cdev->dev, "An I/O request was rejected on a copy pair secondary device\n");

		/* suppress dump of sense data for this error */

		set_bit(DASD_CQR_SUPPRESS_CR, &erp->refers->flags);

		erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);

	} else {

		/* fatal error -  set status to FAILED

		   internal error 09 - Command Reject */