diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2009-04-29 13:12:39 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-05-15 12:16:46 -0400 |
| commit | 9a1a69a1f41cbefebf3172761f197db6aba71e68 (patch) | |
| tree | 65a2a8fc525e66c50654b30602a8a43826827e36 /include/scsi/scsi_transport_fc.h | |
| parent | c53a284f8be23735dc6b53929640a987055f2933 (diff) | |
| download | linux-9a1a69a1f41cbefebf3172761f197db6aba71e68.tar.gz | |
[SCSI] fc-transport: Close state transition-window during rport deletion.
Andrew Vasquez wrote: > fc-transport: Close state transition-window during rport deletion. > > After an rport's state has transitioned to FC_PORTSTATE_BLOCKED, > but, prior to making the upcall to 'block' the scsi-target > associated with an rport, queued commands can recycle and > ultimately run out of retries causing failures to propagate to > upper-level drivers. Close this transition-window by returning > the non-'retries' modifying DID_IMM_RETRY status for submitted > I/Os. The same can happen for iscsi when transitioning from logged in to failed and blocking the sdevs. This patch converts iscsi and fc's transitions back to use DID_IMM_RETRY instead of DID_TRANSPORT_DISRUPTED which has a limited number of retries that we do not want to use for handling this race. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> [Addition of iscsi and fc port online devloss case conversion by Mike Christie] Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
| -rw-r--r-- | include/scsi/scsi_transport_fc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index c9184f756cad..68a8d873bbd9 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -680,7 +680,7 @@ fc_remote_port_chkready(struct fc_rport *rport) if (rport->roles & FC_PORT_ROLE_FCP_TARGET) result = 0; else if (rport->flags & FC_RPORT_DEVLOSS_PENDING) - result = DID_TRANSPORT_DISRUPTED << 16; + result = DID_IMM_RETRY << 16; else result = DID_NO_CONNECT << 16; break; @@ -688,7 +688,7 @@ fc_remote_port_chkready(struct fc_rport *rport) if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT) result = DID_TRANSPORT_FAILFAST << 16; else - result = DID_TRANSPORT_DISRUPTED << 16; + result = DID_IMM_RETRY << 16; break; default: result = DID_NO_CONNECT << 16; |