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[SCSI] ibmvfc: Ignore fabric RSCNs when link is dead
This fixes an issues seen where a Fabric RSCN event was received while the link was down, which resulted in repeated attempts to log back into the fabric, which then failed, resulting in the ibmvfc driver taking the host offline. Fix this by delaying taking any action regarding the fabric RSCN until the link comes back up. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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1 changed files with 4 additions and 2 deletions
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@ -2625,8 +2625,10 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq,
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case IBMVFC_AE_SCN_FABRIC:
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case IBMVFC_AE_SCN_DOMAIN:
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vhost->events_to_log |= IBMVFC_AE_RSCN;
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vhost->delay_init = 1;
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__ibmvfc_reset_host(vhost);
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if (vhost->state < IBMVFC_HALTED) {
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vhost->delay_init = 1;
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__ibmvfc_reset_host(vhost);
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}
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break;
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case IBMVFC_AE_SCN_NPORT:
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case IBMVFC_AE_SCN_GROUP:
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