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5465e7d3b9
This patch introduces support in target_submit_tmr() for locating a unpacked_lun from an existing se_cmd->tag during ABORT_TASK. When TARGET_SCF_LOOKUP_LUN_FROM_TAG is set, target_submit_tmr() will do the extra lookup via target_lookup_lun_from_tag() and subsequently invoke transport_lookup_tmr_lun() so a proper percpu se_lun->lun_ref is taken before workqueue dispatch into se_device->tmr_wq happens. Aside from the extra target_lookup_lun_from_tag(), the existing code-path remains unchanged. Reviewed-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Quinn Tran <quinn.tran@cavium.com> Cc: Mike Christie <mchristi@redhat.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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