diff options
| author | Quinn Tran <qutran@marvell.com> | 2022-12-19 14:07:42 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-01-12 05:28:37 +0300 |
| commit | 5f63a163ed2f12c34dd4ae9b2757962ec7bb86e5 (patch) | |
| tree | 8ac5e20f771feec67707835bbeb77fc1c171b2b4 /drivers/scsi/qla2xxx/qla_inline.h | |
| parent | 41e5afe51f75f2858f5563145348f6c26d307b8f (diff) | |
| download | linux-5f63a163ed2f12c34dd4ae9b2757962ec7bb86e5.tar.xz | |
scsi: qla2xxx: Fix exchange oversubscription for management commands
Add resource checking for management (non-I/O) commands.
Fixes: 89c72f4245a8 ("scsi: qla2xxx: Add IOCB resource tracking")
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_inline.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_inline.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 2d5a275d8b00..b0ee307b5d4b 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -380,7 +380,7 @@ qla2xxx_get_fc4_priority(struct scsi_qla_host *vha) enum { RESOURCE_NONE, - RESOURCE_IOCB = BIT_0, + RESOURCE_IOCB = BIT_0, RESOURCE_EXCH = BIT_1, /* exchange */ RESOURCE_FORCE = BIT_2, }; @@ -396,6 +396,8 @@ qla_get_fw_resources(struct qla_qpair *qp, struct iocb_resource *iores) iores->res_type = RESOURCE_NONE; return 0; } + if (iores->res_type & RESOURCE_FORCE) + goto force; if ((iores->iocb_cnt + qp->fwres.iocbs_used) >= qp->fwres.iocbs_qp_limit) { /* no need to acquire qpair lock. It's just rough calculation */ @@ -423,6 +425,7 @@ qla_get_fw_resources(struct qla_qpair *qp, struct iocb_resource *iores) return -ENOSPC; } } +force: qp->fwres.iocbs_used += iores->iocb_cnt; qp->fwres.exch_used += iores->exch_cnt; return 0; |