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authorandrew.vasquez@qlogic.com <andrew.vasquez@qlogic.com>2006-01-13 17:05:58 -0800
committerJames Bottomley <jejb@mulgrave.(none)>2006-01-14 10:55:39 -0600
commit79f89a4296ff22f09baf538d4ff2a6d0c3097a73 (patch)
treee57901e45a0da996bde0c583560265b0913ebd69 /drivers/scsi/qla2xxx/qla_isr.c
parentfdd52dfa3c311a2583850a2fbea99f329be861d7 (diff)
[SCSI] qla2xxx: Disable port-type RSCN handling via driver state-machine.
Given the semantic changes in both the device-model and fc-transport APIs, the driver's handling of port-type RSCNs via a series of ADISCs and PLOGIs can cause series of badness ranging from unexpectedly device loss to devices not being discovered. In the interim, disable (via a module-parameter) this feature and allow RSCN management to continue to occur within the driver's DPC thread. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 8a539dd48753..f63af081d4ff 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -519,7 +519,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
* us, create a new entry in our rscn fcports list and handle
* the event like an RSCN.
*/
- if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
+ if (ql2xprocessrscn &&
+ !IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
!IS_QLA6322(ha) && !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
ha->flags.init_done && mb[1] != 0xffff &&
((ha->operating_mode == P2P && mb[1] != 0) ||