Commit dcf5ea65 authored by Justin Tee's avatar Justin Tee Committed by Martin K. Petersen
Browse files

scsi: lpfc: Abort outstanding ELS WQEs regardless of if rmmod is in progress 



Driver rmmod may take a long time when in a very large SAN environment.
This is because outstanding ELS WQEs may end up taking E_D_TOV seconds
to complete causing long delays.  Speed this up by issuing aborts with
the ia bit set so that outstanding ELS WQEs complete faster.

Signed-off-by: default avatarJustin Tee <justin.tee@broadcom.com>
Message-ID: <20250915180811.137530-3-justintee8345@gmail.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 12ff7c57

drivers/scsi/lpfc/lpfc_sli.c

+4 −12
Original line number Diff line number Diff line
@@ -12439,19 +12439,11 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 
	}









	/*









	 * If we're unloading, don't abort iocb on the ELS ring, but change









	 * the callback so that nothing happens when it finishes.









	 * Always abort the outstanding WQE and set the IA bit correctly









	 * for the context.  This is necessary for correctly removing









	 * outstanding ndlp reference counts when the CQE completes with









	 * the XB bit set.









	 */









	if (test_bit(FC_UNLOADING, &vport->load_flag) &&









	    pring->ringno == LPFC_ELS_RING) {









		if (cmdiocb->cmd_flag & LPFC_IO_FABRIC)









			cmdiocb->fabric_cmd_cmpl = lpfc_ignore_els_cmpl;









		else









			cmdiocb->cmd_cmpl = lpfc_ignore_els_cmpl;









		return retval;









	}

















	/* issue ABTS for this IOCB based on iotag */









	abtsiocbp = __lpfc_sli_get_iocbq(phba);









	if (abtsiocbp == NULL)









		return IOCB_NORESOURCE;