linux/drivers/scsi/cxlflash
Matthew R. Ochs 018d1dc955 cxlflash: Fix to avoid stall while waiting on TMF
Borrowing the TMF waitq's spinlock causes a stall condition when
waiting for the TMF to complete. To remedy, introduce our own spin
lock to serialize TMF and use the appropriate wait services.

Also add a timeout while waiting for a TMF completion. When a TMF
times out, report back a failure such that a bigger hammer reset
can occur.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
2015-10-30 17:10:38 +09:00
..
common.h cxlflash: Fix to avoid stall while waiting on TMF 2015-10-30 17:10:38 +09:00
Kconfig
lunmgt.c cxlflash: Fix to avoid invalid port_sel value 2015-10-30 16:57:21 +09:00
main.c cxlflash: Fix to avoid stall while waiting on TMF 2015-10-30 17:10:38 +09:00
main.h
Makefile cxlflash: Virtual LUN support 2015-08-26 18:05:39 -07:00
sislite.h cxlflash: Virtual LUN support 2015-08-26 18:05:39 -07:00
superpipe.c cxlflash: Correct naming of limbo state and waitq 2015-10-30 17:03:00 +09:00
superpipe.h cxlflash: Fix context encode mask width 2015-10-30 17:02:06 +09:00
vlun.c cxlflash: Fix data corruption when vLUN used over multiple cards 2015-10-30 17:01:07 +09:00
vlun.h cxlflash: Virtual LUN support 2015-08-26 18:05:39 -07:00