xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scsi: devinfo: add BLIST_RETRY_ITF for EMC Symmetrix

Browse Source 
EMC Symmetrix returns 'internal target error' for a variety of
conditions, most of which will be transient.  So we should always retry
it, even with failfast set.  Otherwise we'd get spurious path flaps with
multipath.

Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Martin Wilck
2018-04-18 01:35:10 +02:00
committed by Martin K. Petersen
parent 358fda5ff4
commit 29cfc2ab71
3 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/scsi/scsi_devinfo.h
View File

@@ -63,8 +63,10 @@
#define BLIST_MAX_1024 ((__force blist_flags_t)(1ULL << 30))
/* Use UNMAP limit for WRITE SAME */
#define BLIST_UNMAP_LIMIT_WS ((__force blist_flags_t)(1ULL << 31))
/* Always retry ABORTED_COMMAND with Internal Target Failure */
#define BLIST_RETRY_ITF ((__force blist_flags_t)(1ULL << 32))
#define __BLIST_LAST_USED BLIST_UNMAP_LIMIT_WS
#define __BLIST_LAST_USED BLIST_RETRY_ITF
#define __BLIST_HIGH_UNUSED (~(__BLIST_LAST_USED | \
(__force blist_flags_t) \