Author: marius
Date: Sun Jan 27 17:15:58 2013
New Revision: 245987
URL: http://svnweb.freebsd.org/changeset/base/245987
Log:
MFC: r241875
Remove support for using Giant for locking within mpt(4). Finer grained
locking has been working fine for ~5.5 years by now.
Modified:
stable/8/sys/dev/mpt/mpt.h
stable/8/sys/dev/mpt/mpt_cam.c
stable/8/sys/dev/mpt/mpt_raid.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/dev/ (props changed)
stable/8/sys/dev/mpt/ (props changed)
Modified: stable/8/sys/dev/mpt/mpt.h
==============================================================================
--- stable/8/sys/dev/mpt/mpt.h Sun Jan 27 17:15:56 2013 (r245986)
+++ stable/8/sys/dev/mpt/mpt.h Sun Jan 27 17:15:58 2013 (r245987)
@@ -788,7 +788,6 @@ mpt_assign_serno(struct mpt_softc *mpt,
}
/***************************** Locking Primitives
*****************************/
-#if 1
#define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY |
INTR_MPSAFE
#define MPT_LOCK_SETUP(mpt)
\
mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \
@@ -803,8 +802,6 @@ mpt_assign_serno(struct mpt_softc *mpt,
#define MPT_UNLOCK(mpt) mtx_unlock(&(mpt)->mpt_lock)
#define MPT_OWNED(mpt) mtx_owned(&(mpt)->mpt_lock)
#define MPT_LOCK_ASSERT(mpt) mtx_assert(&(mpt)->mpt_lock, MA_OWNED)
-#define MPTLOCK_2_CAMLOCK(mpt)
-#define CAMLOCK_2_MPTLOCK(mpt)
#define mpt_sleep(mpt, ident, priority, wmesg, timo) \
msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo)
#define mpt_req_timeout(req, ticks, func, arg) \
@@ -816,38 +813,6 @@ mpt_assign_serno(struct mpt_softc *mpt,
#define mpt_callout_drain(mpt, c) \
callout_drain(c)
-#else
-
-#define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY
-#define MPT_LOCK_SETUP(mpt) do { } while (0)
-#define MPT_LOCK_DESTROY(mpt) do { } while (0)
-#define MPT_LOCK_ASSERT(mpt) mtx_assert(&Giant, MA_OWNED)
-#define MPT_LOCK(mpt) mtx_lock(&Giant)
-#define MPT_UNLOCK(mpt) mtx_unlock(&Giant)
-#define MPTLOCK_2_CAMLOCK(mpt)
-#define CAMLOCK_2_MPTLOCK(mpt)
-
-#define mpt_req_timeout(req, ticks, func, arg) \
- callout_reset(&(req)->callout, (ticks), (func), (arg))
-#define mpt_req_untimeout(req, func, arg) \
- callout_stop(&(req)->callout)
-#define mpt_callout_init(mpt, c) \
- callout_init(c, 0)
-#define mpt_callout_drain(mpt, c) \
- callout_drain(c)
-
-static __inline int
-mpt_sleep(struct mpt_softc *, void *, int, const char *, int);
-
-static __inline int
-mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t)
-{
- int r;
- r = tsleep(i, p, w, t);
- return (r);
-}
-#endif
-
/******************************* Register Access
******************************/
static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t);
static __inline uint32_t mpt_read(struct mpt_softc *, int);
Modified: stable/8/sys/dev/mpt/mpt_cam.c
==============================================================================
--- stable/8/sys/dev/mpt/mpt_cam.c Sun Jan 27 17:15:56 2013
(r245986)
+++ stable/8/sys/dev/mpt/mpt_cam.c Sun Jan 27 17:15:58 2013
(r245987)
@@ -1347,9 +1347,7 @@ bad:
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__));
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
mpt_free_request(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
return;
}
@@ -1583,9 +1581,7 @@ bad:
if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
request_t *nrq;
- CAMLOCK_2_MPTLOCK(mpt);
nrq = mpt_get_request(mpt, FALSE);
- MPTLOCK_2_CAMLOCK(mpt);
if (nrq == NULL) {
error = ENOMEM;
@@ -1633,9 +1629,7 @@ out:
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__));
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
mpt_free_request(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
return;
}
@@ -1667,9 +1661,7 @@ out:
tgt->state = TGT_STATE_MOVING_DATA;
#endif
}
- CAMLOCK_2_MPTLOCK(mpt);
mpt_send_cmd(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
}
static void
@@ -1758,9 +1750,7 @@ bad:
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__));
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
mpt_free_request(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
return;
}
@@ -1978,9 +1968,7 @@ bad:
if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) {
request_t *nrq;
- CAMLOCK_2_MPTLOCK(mpt);
nrq = mpt_get_request(mpt, FALSE);
- MPTLOCK_2_CAMLOCK(mpt);
if (nrq == NULL) {
error = ENOMEM;
@@ -2028,9 +2016,7 @@ out:
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__));
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
mpt_free_request(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
return;
}
@@ -2062,9 +2048,7 @@ out:
tgt->state = TGT_STATE_MOVING_DATA;
#endif
}
- CAMLOCK_2_MPTLOCK(mpt);
mpt_send_cmd(mpt, req);
- MPTLOCK_2_CAMLOCK(mpt);
}
static void
@@ -2083,7 +2067,6 @@ mpt_start(struct cam_sim *sim, union ccb
mpt = ccb->ccb_h.ccb_mpt_ptr;
raid_passthru = (sim == mpt->phydisk_sim);
- CAMLOCK_2_MPTLOCK(mpt);
if ((req = mpt_get_request(mpt, FALSE)) == NULL) {
if (mpt->outofbeer == 0) {
mpt->outofbeer = 1;
@@ -2092,14 +2075,12 @@ mpt_start(struct cam_sim *sim, union ccb
}
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
return;
}
#ifdef INVARIANTS
mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__);
#endif
- MPTLOCK_2_CAMLOCK(mpt);
if (sizeof (bus_addr_t) > 4) {
cb = mpt_execute_req_a64;
@@ -2121,15 +2102,12 @@ mpt_start(struct cam_sim *sim, union ccb
mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
if (raid_passthru) {
mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
- CAMLOCK_2_MPTLOCK(mpt);
if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
- MPTLOCK_2_CAMLOCK(mpt);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
xpt_done(ccb);
return;
}
- MPTLOCK_2_CAMLOCK(mpt);
mpt_req->Bus = 0; /* we never set bus here */
} else {
tgt = ccb->ccb_h.target_id;
@@ -2424,7 +2402,6 @@ mpt_cam_event(struct mpt_softc *mpt, req
} else {
pathid = cam_sim_path(mpt->sim);
}
- MPTLOCK_2_CAMLOCK(mpt);
/*
* Allocate a CCB, create a wildcard path for this bus,
* and schedule a rescan.
@@ -2432,19 +2409,16 @@ mpt_cam_event(struct mpt_softc *mpt, req
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
mpt_prt(mpt, "unable to alloc CCB for rescan\n");
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid,
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
- CAMLOCK_2_MPTLOCK(mpt);
mpt_prt(mpt, "unable to create path for rescan\n");
xpt_free_ccb(ccb);
break;
}
xpt_rescan(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
#else
@@ -2541,13 +2515,11 @@ mpt_cam_event(struct mpt_softc *mpt, req
} else {
sim = mpt->sim;
}
- MPTLOCK_2_CAMLOCK(mpt);
for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) {
if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim),
pqf->TargetID, lun_id) != CAM_REQ_CMP) {
mpt_prt(mpt, "unable to create a path to send "
"XPT_REL_SIMQ");
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
xpt_setup_ccb(&crs.ccb_h, tmppath, 5);
@@ -2561,7 +2533,6 @@ mpt_cam_event(struct mpt_softc *mpt, req
}
xpt_free_path(tmppath);
}
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
case MPI_EVENT_IR_RESYNC_UPDATE:
@@ -2583,39 +2554,32 @@ mpt_cam_event(struct mpt_softc *mpt, req
sim = mpt->sim;
switch(psdsc->ReasonCode) {
case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
- MPTLOCK_2_CAMLOCK(mpt);
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
mpt_prt(mpt,
"unable to alloc CCB for rescan\n");
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
cam_sim_path(sim), psdsc->TargetID,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
- CAMLOCK_2_MPTLOCK(mpt);
mpt_prt(mpt,
"unable to create path for rescan\n");
xpt_free_ccb(ccb);
break;
}
xpt_rescan(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
break;
case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
- MPTLOCK_2_CAMLOCK(mpt);
if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim),
psdsc->TargetID, CAM_LUN_WILDCARD) !=
CAM_REQ_CMP) {
mpt_prt(mpt,
"unable to create path for async event");
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
xpt_async(AC_LOST_DEVICE, tmppath, NULL);
xpt_free_path(tmppath);
- CAMLOCK_2_MPTLOCK(mpt);
break;
case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET:
case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL:
@@ -2735,9 +2699,7 @@ mpt_scsi_reply_handler(struct mpt_softc
req, req->serno);
}
KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__));
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
if ((req->state & REQ_STATE_TIMEDOUT) == 0) {
TAILQ_REMOVE(&mpt->request_pending_list, req, links);
} else {
@@ -3316,15 +3278,12 @@ mpt_action(struct cam_sim *sim, union cc
ccb->ccb_h.func_code != XPT_PATH_INQ &&
ccb->ccb_h.func_code != XPT_RESET_BUS &&
ccb->ccb_h.func_code != XPT_RESET_DEV) {
- CAMLOCK_2_MPTLOCK(mpt);
if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) {
- MPTLOCK_2_CAMLOCK(mpt);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE);
xpt_done(ccb);
return;
}
- MPTLOCK_2_CAMLOCK(mpt);
}
ccb->ccb_h.ccb_mpt_ptr = mpt;
@@ -3373,9 +3332,7 @@ mpt_action(struct cam_sim *sim, union cc
} else {
xpt_print(ccb->ccb_h.path, "reset device\n");
}
- CAMLOCK_2_MPTLOCK(mpt);
(void) mpt_bus_reset(mpt, tgt, lun, FALSE);
- MPTLOCK_2_CAMLOCK(mpt);
/*
* mpt_bus_reset is always successful in that it
@@ -3389,7 +3346,6 @@ mpt_action(struct cam_sim *sim, union cc
case XPT_ABORT:
{
union ccb *accb = ccb->cab.abort_ccb;
- CAMLOCK_2_MPTLOCK(mpt);
switch (accb->ccb_h.func_code) {
case XPT_ACCEPT_TARGET_IO:
case XPT_IMMED_NOTIFY:
@@ -3406,7 +3362,6 @@ mpt_action(struct cam_sim *sim, union cc
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
- MPTLOCK_2_CAMLOCK(mpt);
break;
}
@@ -3546,7 +3501,6 @@ mpt_action(struct cam_sim *sim, union cc
period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
}
#endif
- CAMLOCK_2_MPTLOCK(mpt);
if (dval & DP_DISC_ENABLE) {
mpt->mpt_disc_enable |= (1 << tgt);
} else if (dval & DP_DISC_DISABL) {
@@ -3564,7 +3518,6 @@ mpt_action(struct cam_sim *sim, union cc
mpt_setsync(mpt, tgt, period, offset);
}
if (dval == 0) {
- MPTLOCK_2_CAMLOCK(mpt);
mpt_set_ccb_status(ccb, CAM_REQ_CMP);
break;
}
@@ -3576,7 +3529,6 @@ mpt_action(struct cam_sim *sim, union cc
} else {
mpt_set_ccb_status(ccb, CAM_REQ_CMP);
}
- MPTLOCK_2_CAMLOCK(mpt);
break;
}
case XPT_GET_TRAN_SETTINGS:
@@ -3751,14 +3703,12 @@ mpt_action(struct cam_sim *sim, union cc
{
int result;
- CAMLOCK_2_MPTLOCK(mpt);
if (ccb->cel.enable)
result = mpt_enable_lun(mpt,
ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
else
result = mpt_disable_lun(mpt,
ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
- MPTLOCK_2_CAMLOCK(mpt);
if (result == 0) {
mpt_set_ccb_status(ccb, CAM_REQ_CMP);
} else {
@@ -3788,7 +3738,6 @@ mpt_action(struct cam_sim *sim, union cc
} else {
trtp = &mpt->trt[lun];
}
- CAMLOCK_2_MPTLOCK(mpt);
if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
mpt_lprt(mpt, MPT_PRT_DEBUG1,
"Put FREE ATIO %p lun %d\n", ccb, lun);
@@ -3803,13 +3752,10 @@ mpt_action(struct cam_sim *sim, union cc
mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n");
}
mpt_set_ccb_status(ccb, CAM_REQ_INPROG);
- MPTLOCK_2_CAMLOCK(mpt);
return;
}
case XPT_CONT_TARGET_IO:
- CAMLOCK_2_MPTLOCK(mpt);
mpt_target_start_io(mpt, ccb);
- MPTLOCK_2_CAMLOCK(mpt);
return;
default:
@@ -3853,18 +3799,15 @@ mpt_get_spi_settings(struct mpt_softc *m
CONFIG_PAGE_SCSI_DEVICE_0 tmp;
dval = 0;
- CAMLOCK_2_MPTLOCK(mpt);
tmp = mpt->mpt_dev_page0[tgt];
rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header,
sizeof(tmp), FALSE, 5000);
if (rv) {
- MPTLOCK_2_CAMLOCK(mpt);
mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt);
return (rv);
}
mpt2host_config_page_scsi_device_0(&tmp);
- MPTLOCK_2_CAMLOCK(mpt);
mpt_lprt(mpt, MPT_PRT_DEBUG,
"mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt,
tmp.NegotiatedParameters, tmp.Information);
@@ -4493,18 +4436,14 @@ mpt_target_start_io(struct mpt_softc *mp
xpt_freeze_simq(mpt->sim, 1);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
return;
default:
mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request "
"starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id);
mpt_tgt_dump_req_state(mpt, cmd_req);
mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR);
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
return;
}
@@ -4524,9 +4463,7 @@ mpt_target_start_io(struct mpt_softc *mp
}
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
return;
}
ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG;
@@ -4600,7 +4537,6 @@ mpt_target_start_io(struct mpt_softc *mp
"nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len,
tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state);
- MPTLOCK_2_CAMLOCK(mpt);
if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) {
int error;
@@ -4640,7 +4576,6 @@ mpt_target_start_io(struct mpt_softc *mp
(*cb)(req, sgs, csio->sglist_cnt, 0);
}
}
- CAMLOCK_2_MPTLOCK(mpt);
} else {
uint8_t *sp = NULL, sense[MPT_SENSE_SIZE];
@@ -4657,9 +4592,7 @@ mpt_target_start_io(struct mpt_softc *mp
ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered);
mpt_set_ccb_status(ccb, CAM_REQ_CMP);
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
return;
}
if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
@@ -4865,9 +4798,7 @@ mpt_scsi_tgt_status(struct mpt_softc *mp
if (ccb) {
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ);
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
} else {
mpt_prt(mpt,
"could not allocate status request- dropping\n");
@@ -5042,9 +4973,7 @@ mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *
}
tgt->ccb = (union ccb *) inot;
inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done((union ccb *)inot);
- CAMLOCK_2_MPTLOCK(mpt);
}
static void
@@ -5314,9 +5243,7 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt,
itag, atiop->tag_id, tgt->reply_desc, tgt->resid);
}
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done((union ccb *)atiop);
- CAMLOCK_2_MPTLOCK(mpt);
}
static void
@@ -5425,9 +5352,7 @@ mpt_scsi_tgt_reply_handler(struct mpt_so
mpt->outofbeer = 0;
mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
}
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
break;
}
/*
@@ -5510,9 +5435,7 @@ mpt_scsi_tgt_reply_handler(struct mpt_so
mpt->outofbeer = 0;
mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n");
}
- MPTLOCK_2_CAMLOCK(mpt);
xpt_done(ccb);
- CAMLOCK_2_MPTLOCK(mpt);
}
break;
}
Modified: stable/8/sys/dev/mpt/mpt_raid.c
==============================================================================
--- stable/8/sys/dev/mpt/mpt_raid.c Sun Jan 27 17:15:56 2013
(r245986)
+++ stable/8/sys/dev/mpt/mpt_raid.c Sun Jan 27 17:15:58 2013
(r245987)
@@ -692,9 +692,7 @@ mpt_raid_thread(void *arg)
*/
if (firstrun) {
firstrun = 0;
- MPTLOCK_2_CAMLOCK(mpt);
xpt_release_simq(mpt->phydisk_sim, TRUE);
- CAMLOCK_2_MPTLOCK(mpt);
}
if (mpt->raid_rescan != 0) {
@@ -1664,19 +1662,16 @@ mpt_raid_set_vol_queue_depth(struct mpt_
mpt->raid_rescan = 0;
- MPTLOCK_2_CAMLOCK(mpt);
error = xpt_create_path(&path, xpt_periph,
cam_sim_path(mpt->sim),
mpt_vol->config_page->VolumeID,
/*lun*/0);
if (error != CAM_REQ_CMP) {
- CAMLOCK_2_MPTLOCK(mpt);
mpt_vol_prt(mpt, mpt_vol, "Unable to allocate path!\n");
continue;
}
mpt_adjust_queue_depth(mpt, mpt_vol, path);
xpt_free_path(path);
- CAMLOCK_2_MPTLOCK(mpt);
}
MPT_UNLOCK(mpt);
return (0);
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