diff options
Diffstat (limited to 'drivers/scsi/scsi_transport_fc.c')
| -rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 55fe730a8606..06813789145c 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3197,23 +3197,33 @@ fc_scsi_scan_rport(struct work_struct *work) * * This routine can be called from a FC LLD scsi_eh callback. It * blocks the scsi_eh thread until the fc_rport leaves the - * FC_PORTSTATE_BLOCKED. This is necessary to avoid the scsi_eh - * failing recovery actions for blocked rports which would lead to - * offlined SCSI devices. + * FC_PORTSTATE_BLOCKED, or the fast_io_fail_tmo fires. This is + * necessary to avoid the scsi_eh failing recovery actions for blocked + * rports which would lead to offlined SCSI devices. + * + * Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED. + * FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be + * passed back to scsi_eh. */ -void fc_block_scsi_eh(struct scsi_cmnd *cmnd) +int fc_block_scsi_eh(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); unsigned long flags; spin_lock_irqsave(shost->host_lock, flags); - while (rport->port_state == FC_PORTSTATE_BLOCKED) { + while (rport->port_state == FC_PORTSTATE_BLOCKED && + !(rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)) { spin_unlock_irqrestore(shost->host_lock, flags); msleep(1000); spin_lock_irqsave(shost->host_lock, flags); } spin_unlock_irqrestore(shost->host_lock, flags); + + if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT) + return FAST_IO_FAIL; + + return 0; } EXPORT_SYMBOL(fc_block_scsi_eh); |