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Code Issues Releases Activity

Bunch of small bugfixes and cleanups.

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Found with:	Clang Static Analyzer
This commit is contained in:
Alexander Motin 2011-03-31 16:19:53 +00:00
parent 636076752a
commit 14e2cd0a00
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=220210
8 changed files with 32 additions and 62 deletions
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5
sys/geom/raid/g_raid.c
View File

@ -1608,7 +1608,7 @@ g_raid_access(struct g_provider *pp, int acr, int acw, int ace)
{ {
struct g_raid_volume *vol; struct g_raid_volume *vol;
struct g_raid_softc *sc; struct g_raid_softc *sc;
int dcr, dcw, dce, opens, error = 0; int dcw, opens, error = 0;
g_topology_assert(); g_topology_assert();
sc = pp->geom->softc; sc = pp->geom->softc;
@ -1618,10 +1618,7 @@ g_raid_access(struct g_provider *pp, int acr, int acw, int ace)
G_RAID_DEBUG1(2, sc, "Access request for %s: r%dw%de%d.", pp->name, G_RAID_DEBUG1(2, sc, "Access request for %s: r%dw%de%d.", pp->name,
acr, acw, ace); acr, acw, ace);
dcr = pp->acr + acr;
dcw = pp->acw + acw; dcw = pp->acw + acw;
dce = pp->ace + ace;
g_topology_unlock(); g_topology_unlock();
sx_xlock(&sc->sc_lock); sx_xlock(&sc->sc_lock);

9
sys/geom/raid/md_intel.c
View File

@ -1153,7 +1153,6 @@ g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
/* Read metadata from device. */ /* Read metadata from device. */
meta = NULL; meta = NULL;
spare = 0;
vendor = 0xffff; vendor = 0xffff;
disk_pos = 0; disk_pos = 0;
if (g_access(cp, 1, 0, 0) != 0) if (g_access(cp, 1, 0, 0) != 0)
@ -1431,7 +1430,7 @@ g_raid_md_ctl_intel(struct g_raid_md_object *md,
gctl_error(req, "Can't open disk '%s'.", gctl_error(req, "Can't open disk '%s'.",
diskname); diskname);
g_topology_unlock(); g_topology_unlock();
error = -4; error = -7;
break; break;
} }
pp = cp->provider; pp = cp->provider;
@ -1481,6 +1480,11 @@ g_raid_md_ctl_intel(struct g_raid_md_object *md,
if (error != 0) if (error != 0)
return (error); return (error);
if (sectorsize <= 0) {
gctl_error(req, "Can't get sector size.");
return (-8);
}
/* Reserve some space for metadata. */ /* Reserve some space for metadata. */
size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
@ -1953,7 +1957,6 @@ g_raid_md_ctl_intel(struct g_raid_md_object *md,
disk = g_raid_create_disk(sc); disk = g_raid_create_disk(sc);
disk->d_consumer = cp; disk->d_consumer = cp;
disk->d_consumer->private = disk;
disk->d_md_data = (void *)pd; disk->d_md_data = (void *)pd;
cp->private = disk; cp->private = disk;

17
sys/geom/raid/md_jmicron.c
View File

@ -579,14 +579,12 @@ g_raid_md_jmicron_refill(struct g_raid_softc *sc)
{ {
struct g_raid_md_object *md; struct g_raid_md_object *md;
struct g_raid_md_jmicron_object *mdi; struct g_raid_md_jmicron_object *mdi;
struct jmicron_raid_conf *meta;
struct g_raid_disk *disk; struct g_raid_disk *disk;
struct task *task; struct task *task;
int update, na; int update, na;
md = sc->sc_md; md = sc->sc_md;
mdi = (struct g_raid_md_jmicron_object *)md; mdi = (struct g_raid_md_jmicron_object *)md;
meta = mdi->mdio_meta;
update = 0; update = 0;
do { do {
/* Make sure we miss anything. */ /* Make sure we miss anything. */
@ -620,10 +618,8 @@ g_raid_md_jmicron_refill(struct g_raid_softc *sc)
} while (disk != NULL); } while (disk != NULL);
/* Write new metadata if we changed something. */ /* Write new metadata if we changed something. */
if (update) { if (update)
g_raid_md_write_jmicron(md, NULL, NULL, NULL); g_raid_md_write_jmicron(md, NULL, NULL, NULL);
meta = mdi->mdio_meta;
}
/* Update status of our need for spare. */ /* Update status of our need for spare. */
mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
@ -835,9 +831,7 @@ g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
/* Read metadata from device. */ /* Read metadata from device. */
meta = NULL; meta = NULL;
spare = 0;
vendor = 0xffff; vendor = 0xffff;
disk_pos = 0;
if (g_access(cp, 1, 0, 0) != 0) if (g_access(cp, 1, 0, 0) != 0)
return (G_RAID_MD_TASTE_FAIL); return (G_RAID_MD_TASTE_FAIL);
g_topology_unlock(); g_topology_unlock();
@ -1133,6 +1127,11 @@ g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
if (error != 0) if (error != 0)
return (error); return (error);
if (sectorsize <= 0) {
gctl_error(req, "Can't get sector size.");
return (-8);
}
/* Reserve space for metadata. */ /* Reserve space for metadata. */
size -= sectorsize; size -= sectorsize;
@ -1364,7 +1363,6 @@ g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
disk = g_raid_create_disk(sc); disk = g_raid_create_disk(sc);
disk->d_consumer = cp; disk->d_consumer = cp;
disk->d_consumer->private = disk;
disk->d_md_data = (void *)pd; disk->d_md_data = (void *)pd;
cp->private = disk; cp->private = disk;
g_topology_unlock(); g_topology_unlock();
@ -1470,7 +1468,6 @@ g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
if (mdi->mdio_meta != NULL) if (mdi->mdio_meta != NULL)
free(mdi->mdio_meta, M_MD_JMICRON); free(mdi->mdio_meta, M_MD_JMICRON);
mdi->mdio_meta = meta; mdi->mdio_meta = meta;
i = 0;
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data; pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
if (disk->d_state != G_RAID_DISK_S_ACTIVE && if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
@ -1507,12 +1504,10 @@ g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
{ {
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_md_jmicron_object *mdi;
struct g_raid_md_jmicron_perdisk *pd; struct g_raid_md_jmicron_perdisk *pd;
struct g_raid_subdisk *sd; struct g_raid_subdisk *sd;
sc = md->mdo_softc; sc = md->mdo_softc;
mdi = (struct g_raid_md_jmicron_object *)md;
pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data; pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
/* We can't fail disk that is not a part of array now. */ /* We can't fail disk that is not a part of array now. */

27
sys/geom/raid/md_nvidia.c
View File

@ -584,14 +584,12 @@ g_raid_md_nvidia_refill(struct g_raid_softc *sc)
{ {
struct g_raid_md_object *md; struct g_raid_md_object *md;
struct g_raid_md_nvidia_object *mdi; struct g_raid_md_nvidia_object *mdi;
struct nvidia_raid_conf *meta;
struct g_raid_disk *disk; struct g_raid_disk *disk;
struct task *task; struct task *task;
int update, na; int update, na;
md = sc->sc_md; md = sc->sc_md;
mdi = (struct g_raid_md_nvidia_object *)md; mdi = (struct g_raid_md_nvidia_object *)md;
meta = mdi->mdio_meta;
update = 0; update = 0;
do { do {
/* Make sure we miss anything. */ /* Make sure we miss anything. */
@ -625,10 +623,8 @@ g_raid_md_nvidia_refill(struct g_raid_softc *sc)
} while (disk != NULL); } while (disk != NULL);
/* Write new metadata if we changed something. */ /* Write new metadata if we changed something. */
if (update) { if (update)
g_raid_md_write_nvidia(md, NULL, NULL, NULL); g_raid_md_write_nvidia(md, NULL, NULL, NULL);
meta = mdi->mdio_meta;
}
/* Update status of our need for spare. */ /* Update status of our need for spare. */
mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
@ -828,7 +824,7 @@ g_raid_md_taste_nvidia(struct g_raid_md_object *md, struct g_class *mp,
struct nvidia_raid_conf *meta; struct nvidia_raid_conf *meta;
struct g_raid_md_nvidia_perdisk *pd; struct g_raid_md_nvidia_perdisk *pd;
struct g_geom *geom; struct g_geom *geom;
int error, disk_pos, result, spare, len; int error, result, spare, len;
char name[32]; char name[32];
uint16_t vendor; uint16_t vendor;
@ -838,9 +834,7 @@ g_raid_md_taste_nvidia(struct g_raid_md_object *md, struct g_class *mp,
/* Read metadata from device. */ /* Read metadata from device. */
meta = NULL; meta = NULL;
spare = 0;
vendor = 0xffff; vendor = 0xffff;
disk_pos = 0;
if (g_access(cp, 1, 0, 0) != 0) if (g_access(cp, 1, 0, 0) != 0)
return (G_RAID_MD_TASTE_FAIL); return (G_RAID_MD_TASTE_FAIL);
g_topology_unlock(); g_topology_unlock();
@ -866,16 +860,9 @@ g_raid_md_taste_nvidia(struct g_raid_md_object *md, struct g_class *mp,
return (G_RAID_MD_TASTE_FAIL); return (G_RAID_MD_TASTE_FAIL);
} }
/* Check this disk position in obtained metadata. */
disk_pos = meta->disk_number;
if (disk_pos == -1) {
G_RAID_DEBUG(1, "NVIDIA disk position not found");
goto fail1;
}
/* Metadata valid. Print it. */ /* Metadata valid. Print it. */
g_raid_md_nvidia_print(meta); g_raid_md_nvidia_print(meta);
G_RAID_DEBUG(1, "NVIDIA disk position %d", disk_pos); G_RAID_DEBUG(1, "NVIDIA disk position %d", meta->disk_number);
spare = 0;//(meta->type == NVIDIA_T_SPARE) ? 1 : 0; spare = 0;//(meta->type == NVIDIA_T_SPARE) ? 1 : 0;
search: search:
@ -1141,6 +1128,11 @@ g_raid_md_ctl_nvidia(struct g_raid_md_object *md,
if (error != 0) if (error != 0)
return (error); return (error);
if (sectorsize <= 0) {
gctl_error(req, "Can't get sector size.");
return (-8);
}
/* Reserve space for metadata. */ /* Reserve space for metadata. */
size -= 2 * sectorsize; size -= 2 * sectorsize;
@ -1371,7 +1363,6 @@ g_raid_md_ctl_nvidia(struct g_raid_md_object *md,
disk = g_raid_create_disk(sc); disk = g_raid_create_disk(sc);
disk->d_consumer = cp; disk->d_consumer = cp;
disk->d_consumer->private = disk;
disk->d_md_data = (void *)pd; disk->d_md_data = (void *)pd;
cp->private = disk; cp->private = disk;
g_topology_unlock(); g_topology_unlock();
@ -1528,12 +1519,10 @@ g_raid_md_fail_disk_nvidia(struct g_raid_md_object *md,
struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
{ {
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_md_nvidia_object *mdi;
struct g_raid_md_nvidia_perdisk *pd; struct g_raid_md_nvidia_perdisk *pd;
struct g_raid_subdisk *sd; struct g_raid_subdisk *sd;
sc = md->mdo_softc; sc = md->mdo_softc;
mdi = (struct g_raid_md_nvidia_object *)md;
pd = (struct g_raid_md_nvidia_perdisk *)tdisk->d_md_data; pd = (struct g_raid_md_nvidia_perdisk *)tdisk->d_md_data;
/* We can't fail disk that is not a part of array now. */ /* We can't fail disk that is not a part of array now. */

13
sys/geom/raid/md_promise.c
View File

@ -1154,12 +1154,10 @@ g_raid_md_event_promise(struct g_raid_md_object *md,
struct g_raid_disk *disk, u_int event) struct g_raid_disk *disk, u_int event)
{ {
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_md_promise_perdisk *pd;
sc = md->mdo_softc; sc = md->mdo_softc;
if (disk == NULL) if (disk == NULL)
return (-1); return (-1);
pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data;
switch (event) { switch (event) {
case G_RAID_DISK_E_DISCONNECTED: case G_RAID_DISK_E_DISCONNECTED:
/* Delete disk. */ /* Delete disk. */
@ -1184,10 +1182,8 @@ static int
g_raid_md_volume_event_promise(struct g_raid_md_object *md, g_raid_md_volume_event_promise(struct g_raid_md_object *md,
struct g_raid_volume *vol, u_int event) struct g_raid_volume *vol, u_int event)
{ {
struct g_raid_softc *sc;
struct g_raid_md_promise_pervolume *pv; struct g_raid_md_promise_pervolume *pv;
sc = md->mdo_softc;
pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data;
switch (event) { switch (event) {
case G_RAID_VOLUME_E_STARTMD: case G_RAID_VOLUME_E_STARTMD:
@ -1345,6 +1341,11 @@ g_raid_md_ctl_promise(struct g_raid_md_object *md,
return (error); return (error);
} }
if (sectorsize <= 0) {
gctl_error(req, "Can't get sector size.");
return (-8);
}
/* Handle size argument. */ /* Handle size argument. */
len = sizeof(*sizearg); len = sizeof(*sizearg);
sizearg = gctl_get_param(req, "size", &len); sizearg = gctl_get_param(req, "size", &len);
@ -1567,8 +1568,6 @@ g_raid_md_ctl_promise(struct g_raid_md_object *md,
continue; continue;
} }
pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data;
/* Erase metadata on deleting disk and destroy it. */ /* Erase metadata on deleting disk and destroy it. */
promise_meta_erase(disk->d_consumer); promise_meta_erase(disk->d_consumer);
g_raid_destroy_disk(disk); g_raid_destroy_disk(disk);
@ -1610,14 +1609,12 @@ g_raid_md_ctl_promise(struct g_raid_md_object *md,
error = -4; error = -4;
break; break;
} }
pp = cp->provider;
g_topology_unlock(); g_topology_unlock();
pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO);
disk = g_raid_create_disk(sc); disk = g_raid_create_disk(sc);
disk->d_consumer = cp; disk->d_consumer = cp;
disk->d_consumer->private = disk;
disk->d_md_data = (void *)pd; disk->d_md_data = (void *)pd;
cp->private = disk; cp->private = disk;

17
sys/geom/raid/md_sii.c
View File

@ -641,14 +641,12 @@ g_raid_md_sii_refill(struct g_raid_softc *sc)
{ {
struct g_raid_md_object *md; struct g_raid_md_object *md;
struct g_raid_md_sii_object *mdi; struct g_raid_md_sii_object *mdi;
struct sii_raid_conf *meta;
struct g_raid_disk *disk; struct g_raid_disk *disk;
struct task *task; struct task *task;
int update, na; int update, na;
md = sc->sc_md; md = sc->sc_md;
mdi = (struct g_raid_md_sii_object *)md; mdi = (struct g_raid_md_sii_object *)md;
meta = mdi->mdio_meta;
update = 0; update = 0;
do { do {
/* Make sure we miss anything. */ /* Make sure we miss anything. */
@ -682,10 +680,8 @@ g_raid_md_sii_refill(struct g_raid_softc *sc)
} while (disk != NULL); } while (disk != NULL);
/* Write new metadata if we changed something. */ /* Write new metadata if we changed something. */
if (update) { if (update)
g_raid_md_write_sii(md, NULL, NULL, NULL); g_raid_md_write_sii(md, NULL, NULL, NULL);
meta = mdi->mdio_meta;
}
/* Update status of our need for spare. */ /* Update status of our need for spare. */
mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
@ -921,9 +917,7 @@ g_raid_md_taste_sii(struct g_raid_md_object *md, struct g_class *mp,
/* Read metadata from device. */ /* Read metadata from device. */
meta = NULL; meta = NULL;
spare = 0;
vendor = 0xffff; vendor = 0xffff;
disk_pos = 0;
if (g_access(cp, 1, 0, 0) != 0) if (g_access(cp, 1, 0, 0) != 0)
return (G_RAID_MD_TASTE_FAIL); return (G_RAID_MD_TASTE_FAIL);
g_topology_unlock(); g_topology_unlock();
@ -1219,6 +1213,11 @@ g_raid_md_ctl_sii(struct g_raid_md_object *md,
if (error != 0) if (error != 0)
return (error); return (error);
if (sectorsize <= 0) {
gctl_error(req, "Can't get sector size.");
return (-8);
}
/* Reserve space for metadata. */ /* Reserve space for metadata. */
size -= 0x800 * sectorsize; size -= 0x800 * sectorsize;
@ -1449,7 +1448,6 @@ g_raid_md_ctl_sii(struct g_raid_md_object *md,
disk = g_raid_create_disk(sc); disk = g_raid_create_disk(sc);
disk->d_consumer = cp; disk->d_consumer = cp;
disk->d_consumer->private = disk;
disk->d_md_data = (void *)pd; disk->d_md_data = (void *)pd;
cp->private = disk; cp->private = disk;
g_topology_unlock(); g_topology_unlock();
@ -1559,7 +1557,6 @@ g_raid_md_write_sii(struct g_raid_md_object *md, struct g_raid_volume *tvol,
if (mdi->mdio_meta != NULL) if (mdi->mdio_meta != NULL)
free(mdi->mdio_meta, M_MD_SII); free(mdi->mdio_meta, M_MD_SII);
mdi->mdio_meta = meta; mdi->mdio_meta = meta;
i = 0;
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data;
if (disk->d_state != G_RAID_DISK_S_ACTIVE) if (disk->d_state != G_RAID_DISK_S_ACTIVE)
@ -1605,12 +1602,10 @@ g_raid_md_fail_disk_sii(struct g_raid_md_object *md,
struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
{ {
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_md_sii_object *mdi;
struct g_raid_md_sii_perdisk *pd; struct g_raid_md_sii_perdisk *pd;
struct g_raid_subdisk *sd; struct g_raid_subdisk *sd;
sc = md->mdo_softc; sc = md->mdo_softc;
mdi = (struct g_raid_md_sii_object *)md;
pd = (struct g_raid_md_sii_perdisk *)tdisk->d_md_data; pd = (struct g_raid_md_sii_perdisk *)tdisk->d_md_data;
/* We can't fail disk that is not a part of array now. */ /* We can't fail disk that is not a part of array now. */

2
sys/geom/raid/tr_raid1.c
View File

@ -549,7 +549,6 @@ g_raid_tr_iostart_raid1_read(struct g_raid_tr_object *tr, struct bio *bp)
static void static void
g_raid_tr_iostart_raid1_write(struct g_raid_tr_object *tr, struct bio *bp) g_raid_tr_iostart_raid1_write(struct g_raid_tr_object *tr, struct bio *bp)
{ {
struct g_raid_softc *sc;
struct g_raid_volume *vol; struct g_raid_volume *vol;
struct g_raid_subdisk *sd; struct g_raid_subdisk *sd;
struct bio_queue_head queue; struct bio_queue_head queue;
@ -557,7 +556,6 @@ g_raid_tr_iostart_raid1_write(struct g_raid_tr_object *tr, struct bio *bp)
int i; int i;
vol = tr->tro_volume; vol = tr->tro_volume;
sc = vol->v_softc;
/* /*
* Allocate all bios before sending any request, so we can return * Allocate all bios before sending any request, so we can return

4
sys/geom/raid/tr_raid1e.c
View File

@ -196,13 +196,11 @@ g_raid_tr_taste_raid1e(struct g_raid_tr_object *tr, struct g_raid_volume *vol)
static int static int
g_raid_tr_update_state_raid1e_even(struct g_raid_volume *vol) g_raid_tr_update_state_raid1e_even(struct g_raid_volume *vol)
{ {
struct g_raid_tr_raid1e_object *trs;
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_subdisk *sd, *bestsd, *worstsd; struct g_raid_subdisk *sd, *bestsd, *worstsd;
int i, j, state, sstate; int i, j, state, sstate;
sc = vol->v_softc; sc = vol->v_softc;
trs = (struct g_raid_tr_raid1e_object *)vol->v_tr;
state = G_RAID_VOLUME_S_OPTIMAL; state = G_RAID_VOLUME_S_OPTIMAL;
for (i = 0; i < vol->v_disks_count / N; i++) { for (i = 0; i < vol->v_disks_count / N; i++) {
bestsd = &vol->v_subdisks[i * N]; bestsd = &vol->v_subdisks[i * N];
@ -251,13 +249,11 @@ g_raid_tr_update_state_raid1e_even(struct g_raid_volume *vol)
static int static int
g_raid_tr_update_state_raid1e_odd(struct g_raid_volume *vol) g_raid_tr_update_state_raid1e_odd(struct g_raid_volume *vol)
{ {
struct g_raid_tr_raid1e_object *trs;
struct g_raid_softc *sc; struct g_raid_softc *sc;
struct g_raid_subdisk *sd, *bestsd, *worstsd; struct g_raid_subdisk *sd, *bestsd, *worstsd;
int i, j, state, sstate; int i, j, state, sstate;
sc = vol->v_softc; sc = vol->v_softc;
trs = (struct g_raid_tr_raid1e_object *)vol->v_tr;
if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_ACTIVE) == if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_ACTIVE) ==
vol->v_disks_count) vol->v_disks_count)
return (G_RAID_VOLUME_S_OPTIMAL); return (G_RAID_VOLUME_S_OPTIMAL);