From 970619c33d827965004346d7d3bb145d2a0cd664 Mon Sep 17 00:00:00 2001 From: Himanshu Madhani Date: Thu, 1 Aug 2019 15:55:16 -0400 Subject: [PATCH 056/124] [scsi] scsi: qla2xxx: Fix driver unload when FC-NVMe LUNs are connected Message-id: <20190801155618.12650-57-hmadhani@redhat.com> Patchwork-id: 267837 O-Subject: [RHEL 7.8 e-stor PATCH 056/118] scsi: qla2xxx: Fix driver unload when FC-NVMe LUNs are connected Bugzilla: 1729270 RH-Acked-by: Jarod Wilson RH-Acked-by: Tony Camuso From: Giridhar Malavali Bugzilla 1729270 This patch allows driver to unload using "modprobe -r" when FC-NVMe LUNs are connected. Signed-off-by: Giridhar Malavali Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen (cherry picked from commit b2d1453a45aa8477b1d33ee94a7694146bb8b340) Signed-off-by: Himanshu Madhani Signed-off-by: Jan Stancek --- drivers/scsi/qla2xxx/qla_nvme.c | 29 +++++++++++++++++++++++------ drivers/scsi/qla2xxx/qla_os.c | 6 ++++-- 2 files changed, 27 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 8d4624c9f75b..ae1aae52f59e 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -164,12 +164,13 @@ static void qla_nvme_sp_done(void *ptr, int res) if (!atomic_dec_and_test(&sp->ref_count)) return; - if (res == QLA_SUCCESS) - fd->status = 0; - else - fd->status = NVME_SC_INTERNAL; - - fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len; + if (res == QLA_SUCCESS) { + fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len; + } else { + fd->rcv_rsplen = 0; + fd->transferred_length = 0; + } + fd->status = 0; fd->done(fd); qla2xxx_rel_qpair_sp(sp->qpair, sp); @@ -193,6 +194,22 @@ static void qla_nvme_abort_work(struct work_struct *work) if (!ha->flags.fw_started && (fcport && fcport->deleted)) return; + if (ha->flags.host_shutting_down) { + ql_log(ql_log_info, sp->fcport->vha, 0xffff, + "%s Calling done on sp: %p, type: 0x%x, sp->ref_count: 0x%x\n", + __func__, sp, sp->type, atomic_read(&sp->ref_count)); + sp->done(sp, 0); + return; + } + + if (atomic_read(&sp->ref_count) == 0) { + WARN_ON(1); + ql_log(ql_log_info, fcport->vha, 0xffff, + "%s: command alredy aborted on sp: %p\n", + __func__, sp); + return; + } + rval = ha->isp_ops->abort_command(sp); ql_dbg(ql_dbg_io, fcport->vha, 0x212b, diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c440d5bffefe..1cf427cf1ffe 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -6835,8 +6835,10 @@ qla2x00_timer(scsi_qla_host_t *vha) * FC-NVME * see if the active AEN count has changed from what was last reported. */ - if (!vha->vp_idx && (atomic_read(&ha->nvme_active_aen_cnt) != - ha->nvme_last_rptd_aen) && ha->zio_mode == QLA_ZIO_MODE_6) { + if (!vha->vp_idx && + (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) && + ha->zio_mode == QLA_ZIO_MODE_6 && + !ha->flags.host_shutting_down) { ql_log(ql_log_info, vha, 0x3002, "nvme: Sched: Set ZIO exchange threshold to %d.\n", ha->nvme_last_rptd_aen); -- 2.13.6