diff options
| author | Eddie Wai <eddie.wai@broadcom.com> | 2010-07-01 15:34:52 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-27 12:03:58 -0500 |
| commit | 55e15c975cbf9ef8b765eba9ebadc96f2a2e5752 (patch) | |
| tree | 9d0249480f287463f6ef98f03d58406c9965ac18 /drivers/scsi/bnx2i/bnx2i_iscsi.c | |
| parent | 46012e8b8de325472790d154f4cfb1cf2d4fc49a (diff) | |
[SCSI] bnx2i: Optimized the bnx2i_stop connection clean up procedure
For cases where the iSCSI disconnection procedure times out due to
the iSCSI daemon being slow or unresponsive, the bnx2i_stop routine
will now perform hardware cleanup via bnx2i_hw_ep_disconnect on all
active endpoints so that subsequent operations will perform properly.
Also moved the mutex locks inside ep_connect and ep_disconnect so
that proper exclusivity can resolve simultaneous calls to the
ep_disconnect routine.
v2: Removed the unnecessary read lock in the bnx2i_stop
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i_iscsi.c')
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i_iscsi.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index fb5fe88de90f..1600e7cae191 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -708,7 +708,6 @@ bnx2i_find_ep_in_destroy_list(struct bnx2i_hba *hba, u32 iscsi_cid) return ep; } - /** * bnx2i_ep_active_list_add - add an entry to ep active list * @hba: pointer to adapter instance @@ -856,9 +855,9 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) mutex_init(&hba->net_dev_lock); init_waitqueue_head(&hba->eh_wait); if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) - hba->hba_shutdown_tmo = 240 * HZ; + hba->hba_shutdown_tmo = 20 * HZ; else /* 5706/5708/5709 */ - hba->hba_shutdown_tmo = 30 * HZ; + hba->hba_shutdown_tmo = 20 * HZ; if (iscsi_host_add(shost, &hba->pcidev->dev)) goto free_dump_mem; @@ -1700,10 +1699,11 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, if (!hba || test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state)) { rc = -EINVAL; - goto check_busy; + goto nohba; } cnic = hba->cnic; + mutex_lock(&hba->net_dev_lock); ep = bnx2i_alloc_ep(hba); if (!ep) { rc = -ENOMEM; @@ -1711,7 +1711,6 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, } bnx2i_ep = ep->dd_data; - mutex_lock(&hba->net_dev_lock); if (bnx2i_adapter_ready(hba)) { rc = -EPERM; goto net_if_down; @@ -1813,8 +1812,9 @@ iscsi_cid_err: bnx2i_free_qp_resc(hba, bnx2i_ep); qp_resc_err: bnx2i_free_ep(ep); - mutex_unlock(&hba->net_dev_lock); check_busy: + mutex_unlock(&hba->net_dev_lock); +nohba: bnx2i_unreg_dev_all(); return ERR_PTR(rc); } |