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Remove some dead and duplicate LUN enabling code.

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This commit is contained in:
Alexander Motin 2015-06-20 07:33:06 +00:00
parent 3c91646b46
commit 754e493530
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=284627
2 changed files with 1 additions and 80 deletions
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77
sys/cam/ctl/ctl.c
View File

@ -4535,7 +4535,6 @@ ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
struct ctl_be_lun *const be_lun, struct ctl_id target_id)
{
struct ctl_lun *nlun, *lun;
struct ctl_port *port;
struct scsi_vpd_id_descriptor *desc;
struct scsi_vpd_id_t10 *t10id;
const char *eui, *naa, *scsiname, *vendor, *value;
@ -4765,24 +4764,6 @@ ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
mtx_unlock(&ctl_softc->ctl_lock);
lun->be_lun->lun_config_status(lun->be_lun->be_lun, CTL_LUN_CONFIG_OK);
/*
* Run through each registered FETD and bring it online if it isn't
* already. Enable the target ID if it hasn't been enabled, and
* enable this particular LUN.
*/
STAILQ_FOREACH(port, &ctl_softc->port_list, links) {
int retval;
retval = port->lun_enable(port->targ_lun_arg, target_id,lun_number);
if (retval != 0) {
printf("ctl_alloc_lun: FETD %s port %d returned error "
"%d for lun_enable on target %ju lun %d\n",
port->port_name, port->targ_port, retval,
(uintmax_t)target_id.id, lun_number);
} else
port->status |= CTL_PORT_STATUS_LUN_ONLINE;
}
return (0);
}
@ -4818,58 +4799,6 @@ ctl_free_lun(struct ctl_lun *lun)
softc->num_luns--;
/*
* XXX KDM this scheme only works for a single target/multiple LUN
* setup. It needs to be revamped for a multiple target scheme.
*
* XXX KDM this results in port->lun_disable() getting called twice,
* once when ctl_disable_lun() is called, and a second time here.
* We really need to re-think the LUN disable semantics. There
* should probably be several steps/levels to LUN removal:
* - disable
* - invalidate
* - free
*
* Right now we only have a disable method when communicating to
* the front end ports, at least for individual LUNs.
*/
#if 0
STAILQ_FOREACH(port, &softc->port_list, links) {
int retval;
retval = port->lun_disable(port->targ_lun_arg, lun->target,
lun->lun);
if (retval != 0) {
printf("ctl_free_lun: FETD %s port %d returned error "
"%d for lun_disable on target %ju lun %jd\n",
port->port_name, port->targ_port, retval,
(uintmax_t)lun->target.id, (intmax_t)lun->lun);
}
if (STAILQ_FIRST(&softc->lun_list) == NULL) {
port->status &= ~CTL_PORT_STATUS_LUN_ONLINE;
retval = port->targ_disable(port->targ_lun_arg,lun->target);
if (retval != 0) {
printf("ctl_free_lun: FETD %s port %d "
"returned error %d for targ_disable on "
"target %ju\n", port->port_name,
port->targ_port, retval,
(uintmax_t)lun->target.id);
} else
port->status &= ~CTL_PORT_STATUS_TARG_ONLINE;
if ((port->status & CTL_PORT_STATUS_TARG_ONLINE) != 0)
continue;
#if 0
port->port_offline(port->onoff_arg);
port->status &= ~CTL_PORT_STATUS_ONLINE;
#endif
}
}
#endif
/*
* Tell the backend to free resources, if this LUN has a backend.
*/
@ -4964,12 +4893,6 @@ ctl_enable_lun(struct ctl_be_lun *be_lun)
__func__, port->port_name, port->targ_port, retval,
(uintmax_t)lun->target.id, (intmax_t)lun->lun);
}
#if 0
else {
/* NOTE: TODO: why does lun enable affect port status? */
port->status |= CTL_PORT_STATUS_LUN_ONLINE;
}
#endif
}
mtx_unlock(&softc->ctl_lock);

4
sys/cam/ctl/ctl_frontend.h
View File

@ -41,9 +41,7 @@
typedef enum {
CTL_PORT_STATUS_NONE = 0x00,
CTL_PORT_STATUS_ONLINE = 0x01,
CTL_PORT_STATUS_TARG_ONLINE = 0x02,
CTL_PORT_STATUS_LUN_ONLINE = 0x04
CTL_PORT_STATUS_ONLINE = 0x01
} ctl_port_status;
typedef int (*fe_init_t)(void);