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authorDick Kennedy <dick.kennedy@broadcom.com>2017-08-23 16:55:45 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-24 22:29:42 -0400
commit6b486ce9ee109c7dc3de31b23724f8e3b3c5ff35 (patch)
treea7d36f40b02a49022a886c76378646a01ca0f632 /ipc
parenta145fda3816ed516af5c589ef296a50897c42ef9 (diff)
downloadlinux-6b486ce9ee109c7dc3de31b23724f8e3b3c5ff35.tar.bz2
scsi: lpfc: Fix bad sgl reposting after 2nd adapter reset
Port issue was fixed, the hbacmd reset would take more than 8 minutes to complete. There were conflicting NVME SGL posting/reposting responsibilities between lpfc_online()/lpfc_sli4_hba_setup() and lpfc_nvme_create_localport(). The lpfc_online() causes a REPOST on existing NVME SGLs which is not released during the fc port reset. However, lpfc_nvme_create_localport() wants to allocate new NVME buffers and post them. Both cancelled out each other which had a side effect of hosing the mailbox handling that was used to remove the sgl lists - causing multiple 60s mbx timeouts. Fix by preserving all SGL lists over the fc port reset. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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