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scsi: message: fusion: Simplify mptfc_block_error_handler()

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Instead of passing in a function to mptfc_block_error_handler() we can as
well return a status and call the function afterwards.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231002154328.43718-2-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2023-10-02 17:43:11 +02:00 committed by Martin K. Petersen
parent 0bb80ecc33
commit d9987d4b96
1 changed files with 54 additions and 29 deletions
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83
drivers/message/fusion/mptfc.c
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@ -183,73 +183,98 @@ static struct fc_function_template mptfc_transport_functions = {
};
static int
mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
int (*func)(struct scsi_cmnd *SCpnt),
const char *caller)
mptfc_block_error_handler(struct fc_rport *rport)
{
MPT_SCSI_HOST *hd;
struct scsi_device *sdev = SCpnt->device;
struct Scsi_Host *shost = sdev->host;
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
struct Scsi_Host *shost = rport_to_shost(rport);
unsigned long flags;
int ready;
MPT_ADAPTER *ioc;
MPT_ADAPTER *ioc;
int loops = 40; /* seconds */
hd = shost_priv(SCpnt->device->host);
hd = shost_priv(shost);
ioc = hd->ioc;
spin_lock_irqsave(shost->host_lock, flags);
while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
|| (loops > 0 && ioc->active == 0)) {
spin_unlock_irqrestore(shost->host_lock, flags);
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"mptfc_block_error_handler.%d: %d:%llu, port status is "
"%x, active flag %d, deferring %s recovery.\n",
"mptfc_block_error_handler.%d: %s, port status is "
"%x, active flag %d, deferring recovery.\n",
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun,
ready, ioc->active, caller));
dev_name(&rport->dev), ready, ioc->active));
msleep(1000);
spin_lock_irqsave(shost->host_lock, flags);
loops --;
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
|| ioc->active == 0) {
if (ready == DID_NO_CONNECT || ioc->active == 0) {
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%llu, failing recovery, "
"port state %x, active %d, vdevice %p.\n", caller,
"mpt_block_error_handler.%d: %s, failing recovery, "
"port state %x, active %d.\n",
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun, ready,
ioc->active, SCpnt->device->hostdata));
dev_name(&rport->dev), ready, ioc->active));
return FAILED;
}
dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%llu, executing recovery.\n", caller,
ioc->name, ioc->sh->host_no,
SCpnt->device->id, SCpnt->device->lun));
return (*func)(SCpnt);
return SUCCESS;
}
static int
mptfc_abort(struct scsi_cmnd *SCpnt)
{
return
mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
struct Scsi_Host *shost = SCpnt->device->host;
struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
int rtn;
rtn = mptfc_block_error_handler(rport);
if (rtn == SUCCESS) {
dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%llu, executing recovery.\n", __func__,
hd->ioc->name, shost->host_no,
SCpnt->device->id, SCpnt->device->lun));
rtn = mptscsih_abort(SCpnt);
}
return rtn;
}
static int
mptfc_dev_reset(struct scsi_cmnd *SCpnt)
{
return
mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
struct Scsi_Host *shost = SCpnt->device->host;
struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
int rtn;
rtn = mptfc_block_error_handler(rport);
if (rtn == SUCCESS) {
dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%llu, executing recovery.\n", __func__,
hd->ioc->name, shost->host_no,
SCpnt->device->id, SCpnt->device->lun));
rtn = mptscsih_dev_reset(SCpnt);
}
return rtn;
}
static int
mptfc_bus_reset(struct scsi_cmnd *SCpnt)
{
return
mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
struct Scsi_Host *shost = SCpnt->device->host;
struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
int rtn;
rtn = mptfc_block_error_handler(rport);
if (rtn == SUCCESS) {
dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
"%s.%d: %d:%llu, executing recovery.\n", __func__,
hd->ioc->name, shost->host_no,
SCpnt->device->id, SCpnt->device->lun));
rtn = mptscsih_bus_reset(SCpnt);
}
return rtn;
}
static void