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

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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: Justin Tee <justin.tee@broadcom.com>
Message-ID: <20250915180811.137530-3-justintee8345@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Justin Tee
2025-09-15 11:07:59 -07:00
committed by Martin K. Petersen
parent 12ff7c5792
commit dcf5ea65cf
1 changed files with 4 additions and 12 deletions
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16
drivers/scsi/lpfc/lpfc_sli.c
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@@ -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;