diff options
| author | Matthew R. Ochs <mrochs@linux.vnet.ibm.com> | 2017-04-12 14:14:51 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-04-13 22:55:41 -0400 |
| commit | 323e33428ea23bfb1ae5010b18b4540048b2ad51 (patch) | |
| tree | 008bcac326c04af63104980b63a29b599f07e494 /drivers/scsi/cxlflash/common.h | |
| parent | 1cd7fabc82eb06c834956113ff287f8848811fb8 (diff) | |
scsi: cxlflash: Fence EEH during probe
An EEH during probe can lead to a crash as the recovery thread races with the
probe thread. To avoid this issue, introduce new states to fence out EEH
recovery until probe has completed. Also ensure the reset wait queue is
flushed during device removal to avoid orphaned threads.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/cxlflash/common.h')
| -rw-r--r-- | drivers/scsi/cxlflash/common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/cxlflash/common.h b/drivers/scsi/cxlflash/common.h index 28bb716e78fe..17aa74a83d39 100644 --- a/drivers/scsi/cxlflash/common.h +++ b/drivers/scsi/cxlflash/common.h @@ -90,6 +90,8 @@ enum cxlflash_init_state { }; enum cxlflash_state { + STATE_PROBING, /* Initial state during probe */ + STATE_PROBED, /* Temporary state, probe completed but EEH occurred */ STATE_NORMAL, /* Normal running state, everything good */ STATE_RESET, /* Reset state, trying to reset/recover */ STATE_FAILTERM /* Failed/terminating state, error out users/threads */ |