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[SCSI] libfc: when rport goes away (re-plogi), clean up exchanges to/from rport

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When a rport goes away, libFC does a plogi which will reset exchanges
    at the rport. Clean exchanges at our end, both in transport and libFC.
    If transport hooks into exch_mgr_reset, it will call back into
    fc_exch_mgr_reset() to clean up libFC exchanges.

Signed-off-by: Abhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Abhijeet Joglekar 2009-02-27 10:54:41 -08:00 • committed by James Bottomley
parent 1f6ff364ce
commit 571f824c3c
1 changed files with 6 additions and 1 deletions
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7
drivers/scsi/libfc/fc_rport.c
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@ -214,6 +214,7 @@ static void fc_rport_state_enter(struct fc_rport *rport,
static void fc_rport_work(struct work_struct *work) static void fc_rport_work(struct work_struct *work)
{ {
u32 port_id;
struct fc_rport_libfc_priv *rdata = struct fc_rport_libfc_priv *rdata =
container_of(work, struct fc_rport_libfc_priv, event_work); container_of(work, struct fc_rport_libfc_priv, event_work);
enum fc_rport_event event; enum fc_rport_event event;
@ -279,8 +280,12 @@ static void fc_rport_work(struct work_struct *work)
rport_ops->event_callback(lport, rport, event); rport_ops->event_callback(lport, rport, event);
if (trans_state == FC_PORTSTATE_ROGUE) if (trans_state == FC_PORTSTATE_ROGUE)
put_device(&rport->dev); put_device(&rport->dev);
else else {
port_id = rport->port_id;
fc_remote_port_delete(rport); fc_remote_port_delete(rport);
lport->tt.exch_mgr_reset(lport, 0, port_id);
lport->tt.exch_mgr_reset(lport, port_id, 0);
}
} else } else
mutex_unlock(&rdata->rp_mutex); mutex_unlock(&rdata->rp_mutex);
} }