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| author |   Muneendra Kumar <muneendra.kumar@broadcom.com> | 2021-01-07 03:19:06 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-01-14 22:55:17 -0500 |
| commit | 02c66326dc7e8b3a71b7ceb9a08ec1208e13ea84 (patch) | |
| tree | 998a87c008a17ca8d421c0b698441f704494e27b /include/scsi/scsi_transport_fc.h | |
| parent | scsi: core: No retries on abort success (diff) | |
| download | linux-dev-02c66326dc7e8b3a71b7ceb9a08ec1208e13ea84.tar.xz linux-dev-02c66326dc7e8b3a71b7ceb9a08ec1208e13ea84.zip | |
scsi: scsi_transport_fc: Add a new rport state FC_PORTSTATE_MARGINAL
Add a new interface, fc_eh_should_retry_cmd(), which checks if the cmd
should be retried or not by checking the rport state. If the rport state is
marginal it returns false to make sure there won't be any retries on the
cmd.
Make the fc_remote_port_delete(), fc_user_scan_tgt(), and
fc_timeout_deleted_rport() functions handle the new rport state.
Link: https://lore.kernel.org/r/1609969748-17684-4-git-send-email-muneendra.kumar@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Muneendra Kumar <muneendra.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi/scsi_transport_fc.h')
| -rw-r--r-- | include/scsi/scsi_transport_fc.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index c759b29e46c7..14214ee121ad 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -67,6 +67,7 @@ enum fc_port_state { FC_PORTSTATE_ERROR, FC_PORTSTATE_LOOPBACK, FC_PORTSTATE_DELETED, + FC_PORTSTATE_MARGINAL, }; @@ -742,7 +743,6 @@ struct fc_function_template { unsigned long disable_target_scan:1; }; - /** * fc_remote_port_chkready - called to validate the remote port state * prior to initiating io to the port. @@ -758,6 +758,7 @@ fc_remote_port_chkready(struct fc_rport *rport) switch (rport->port_state) { case FC_PORTSTATE_ONLINE: + case FC_PORTSTATE_MARGINAL: if (rport->roles & FC_PORT_ROLE_FCP_TARGET) result = 0; else if (rport->flags & FC_RPORT_DEVLOSS_PENDING) @@ -839,6 +840,7 @@ int fc_vport_terminate(struct fc_vport *vport); int fc_block_rport(struct fc_rport *rport); int fc_block_scsi_eh(struct scsi_cmnd *cmnd); enum blk_eh_timer_return fc_eh_timed_out(struct scsi_cmnd *scmd); +bool fc_eh_should_retry_cmd(struct scsi_cmnd *scmd); static inline struct Scsi_Host *fc_bsg_to_shost(struct bsg_job *job) { |