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authorNilesh Javali <nilesh.javali@qlogic.com>2013-01-20 23:50:58 -0500
committerJames Bottomley <JBottomley@Parallels.com>2013-01-30 13:40:23 +1100
commit026fbd3aaae796d2457898497374b68f3477ee2f (patch)
tree5455f7c1ba85c1a67c94a0f1b0a1763a8ad89b35 /drivers/scsi/qla4xxx/ql4_os.c
parent9cb33f184e5d57054caf24c2bd657517e557367c (diff)
[SCSI] qla4xxx: Quiesce driver activities while loopback
Quiesce all different activities performed by driver upon the link events while loopback diagnostics is in progress. Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 60526bb469d..1df13872ef9 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -2242,6 +2242,7 @@ static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
!test_bit(AF_ONLINE, &ha->flags) ||
!test_bit(AF_LINK_UP, &ha->flags) ||
+ test_bit(AF_LOOPBACK, &ha->flags) ||
test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
goto qc_host_busy;
@@ -3480,7 +3481,8 @@ dpc_post_reset_ha:
}
/* ---- link change? --- */
- if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
+ if (!test_bit(AF_LOOPBACK, &ha->flags) &&
+ test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
if (!test_bit(AF_LINK_UP, &ha->flags)) {
/* ---- link down? --- */
qla4xxx_mark_all_devices_missing(ha);