mutex_lock(&lov->lov_lock);
/* ok to dec to 0 more than once -- ltd_exp's will be null */
if (atomic_dec_and_test(&lov->lov_refcount) && lov->lov_death_row) {
- struct list_head kill = LIST_HEAD_INIT(kill);
+ LIST_HEAD(kill);
struct lov_tgt_desc *tgt, *n;
int i;
static int lov_disconnect_obd(struct obd_device *obd, struct lov_tgt_desc *tgt)
{
- struct lov_obd *lov = &obd->u.lov;
- struct obd_device *osc_obd;
- int rc;
- ENTRY;
+ struct lov_obd *lov = &obd->u.lov;
+ struct obd_device *osc_obd;
+ int rc;
+ ENTRY;
- osc_obd = class_exp2obd(tgt->ltd_exp);
- CDEBUG(D_CONFIG, "%s: disconnecting target %s\n",
- obd->obd_name, osc_obd->obd_name);
+ osc_obd = class_exp2obd(tgt->ltd_exp);
+ CDEBUG(D_CONFIG, "%s: disconnecting target %s\n", obd->obd_name,
+ osc_obd ? osc_obd->obd_name : "<no obd>");
- if (tgt->ltd_active) {
- tgt->ltd_active = 0;
- lov->desc.ld_active_tgt_count--;
- tgt->ltd_exp->exp_obd->obd_inactive = 1;
- }
+ if (tgt->ltd_active) {
+ tgt->ltd_active = 0;
+ lov->desc.ld_active_tgt_count--;
+ tgt->ltd_exp->exp_obd->obd_inactive = 1;
+ }
if (osc_obd) {
if (lov->lov_tgts_kobj)
lov->targets_proc_entry);
}
- obd_register_observer(osc_obd, NULL);
+ obd_register_observer(osc_obd, NULL);
- rc = obd_disconnect(tgt->ltd_exp);
- if (rc) {
- CERROR("Target %s disconnect error %d\n",
- tgt->ltd_uuid.uuid, rc);
- rc = 0;
- }
+ rc = obd_disconnect(tgt->ltd_exp);
+ if (rc) {
+ CERROR("Target %s disconnect error %d\n",
+ tgt->ltd_uuid.uuid, rc);
+ rc = 0;
+ }
- tgt->ltd_exp = NULL;
- RETURN(0);
+ tgt->ltd_exp = NULL;
+ RETURN(0);
}
static int lov_disconnect(struct obd_export *exp)
RETURN(rc);
}
- if (index >= lov->lov_tgt_size) {
- /* We need to reallocate the lov target array. */
- struct lov_tgt_desc **newtgts, **old = NULL;
- __u32 newsize, oldsize = 0;
+ if (index >= lov->lov_tgt_size) {
+ /* We need to reallocate the lov target array. */
+ struct lov_tgt_desc **newtgts, **old = NULL;
+ __u32 newsize, oldsize = 0;
- newsize = max(lov->lov_tgt_size, (__u32)2);
- while (newsize < index + 1)
- newsize = newsize << 1;
- OBD_ALLOC(newtgts, sizeof(*newtgts) * newsize);
- if (newtgts == NULL) {
+ newsize = max(lov->lov_tgt_size, 2U);
+ while (newsize < index + 1)
+ newsize = newsize << 1;
+ OBD_ALLOC_PTR_ARRAY(newtgts, newsize);
+ if (newtgts == NULL) {
mutex_unlock(&lov->lov_lock);
- RETURN(-ENOMEM);
- }
+ RETURN(-ENOMEM);
+ }
- if (lov->lov_tgt_size) {
- memcpy(newtgts, lov->lov_tgts, sizeof(*newtgts) *
- lov->lov_tgt_size);
- old = lov->lov_tgts;
- oldsize = lov->lov_tgt_size;
- }
+ if (lov->lov_tgt_size) {
+ memcpy(newtgts, lov->lov_tgts, sizeof(*newtgts) *
+ lov->lov_tgt_size);
+ old = lov->lov_tgts;
+ oldsize = lov->lov_tgt_size;
+ }
lov->lov_tgts = newtgts;
lov->lov_tgt_size = newsize;
smp_rmb();
if (old)
- OBD_FREE(old, sizeof(*old) * oldsize);
+ OBD_FREE_PTR_ARRAY(old, oldsize);
- CDEBUG(D_CONFIG, "tgts: %p size: %d\n",
- lov->lov_tgts, lov->lov_tgt_size);
- }
+ CDEBUG(D_CONFIG, "tgts: %p size: %d\n",
+ lov->lov_tgts, lov->lov_tgt_size);
+ }
OBD_ALLOC_PTR(tgt);
if (!tgt) {
init_rwsem(&lov->lov_notify_lock);
- lov->lov_pools_hash_body = cfs_hash_create("POOLS", HASH_POOLS_CUR_BITS,
- HASH_POOLS_MAX_BITS,
- HASH_POOLS_BKT_BITS, 0,
- CFS_HASH_MIN_THETA,
- CFS_HASH_MAX_THETA,
- &pool_hash_operations,
- CFS_HASH_DEFAULT);
INIT_LIST_HEAD(&lov->lov_pool_list);
lov->lov_pool_count = 0;
+ rc = lov_pool_hash_init(&lov->lov_pools_hash_body);
+ if (rc)
+ GOTO(out, rc);
+
rc = lov_ost_pool_init(&lov->lov_packed, 0);
if (rc)
GOTO(out, rc);
/* coverity[overrun-buffer-val] */
lov_pool_del(obd, pool->pool_name);
}
- cfs_hash_putref(lov->lov_pools_hash_body);
+ lov_pool_hash_destroy(&lov->lov_pools_hash_body);
lov_ost_pool_free(&lov->lov_packed);
lprocfs_obd_cleanup(obd);
continue;
/* Inactive targets may never have connected */
- if (lov->lov_tgts[i]->ltd_active ||
- atomic_read(&lov->lov_refcount))
+ if (lov->lov_tgts[i]->ltd_active)
/* We should never get here - these
* should have been removed in the
* disconnect. */
lov_del_target(obd, i, NULL, 0);
}
lov_tgts_putref(obd);
- OBD_FREE(lov->lov_tgts, sizeof(*lov->lov_tgts) *
- lov->lov_tgt_size);
- lov->lov_tgt_size = 0;
- }
+ OBD_FREE_PTR_ARRAY(lov->lov_tgts, lov->lov_tgt_size);
+ lov->lov_tgt_size = 0;
+ }
if (lov->lov_cache != NULL) {
cl_cache_decref(lov->lov_cache);
OBD_FREE_PTR(oqctl);
break;
}
- default: {
- int set = 0;
+ default: {
+ int set = 0;
- if (count == 0)
- RETURN(-ENOTTY);
+ if (count == 0)
+ RETURN(-ENOTTY);
- for (i = 0; i < count; i++) {
- int err;
- struct obd_device *osc_obd;
+ for (i = 0; i < count; i++) {
+ int err;
+ struct obd_device *osc_obd;
- /* OST was disconnected */
- if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_exp)
- continue;
+ /* OST was disconnected */
+ if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_exp)
+ continue;
/* ll_umount_begin() sets force on lov, pass to osc */
osc_obd = class_exp2obd(lov->lov_tgts[i]->ltd_exp);
- osc_obd->obd_force = obd->obd_force;
+ if (osc_obd)
+ osc_obd->obd_force = obd->obd_force;
err = obd_iocontrol(cmd, lov->lov_tgts[i]->ltd_exp,
len, karg, uarg);
if (err) {
- if (lov->lov_tgts[i]->ltd_active) {
- CDEBUG(err == -ENOTTY ?
- D_IOCTL : D_WARNING,
- "iocontrol OSC %s on OST "
- "idx %d cmd %x: err = %d\n",
- lov_uuid2str(lov, i),
- i, cmd, err);
- if (!rc)
- rc = err;
- }
- } else {
- set = 1;
- }
- }
- if (!set && !rc)
- rc = -EIO;
- }
- }
+ if (lov->lov_tgts[i]->ltd_active) {
+ CDEBUG(err == -ENOTTY ?
+ D_IOCTL : D_WARNING,
+ "iocontrol OSC %s on OST idx %d cmd %x: err = %d\n",
+ lov_uuid2str(lov, i),
+ i, cmd, err);
+ if (!rc)
+ rc = err;
+ }
+ } else {
+ set = 1;
+ }
+ }
+ if (!set && !rc)
+ rc = -EIO;
+ }
+ }
- RETURN(rc);
+ RETURN(rc);
}
static int lov_get_info(const struct lu_env *env, struct obd_export *exp,
__u32 keylen, void *key, __u32 *vallen, void *val)
{
- struct obd_device *obddev = class_exp2obd(exp);
- struct lov_obd *lov = &obddev->u.lov;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct lov_obd *lov = &obd->u.lov;
struct lov_desc *ld = &lov->desc;
int rc = 0;
ENTRY;
if (vallen == NULL || val == NULL)
RETURN(-EFAULT);
- lov_tgts_getref(obddev);
+ lov_tgts_getref(obd);
if (KEY_IS(KEY_MAX_EASIZE)) {
*((u32 *)val) = exp->exp_connect_data.ocd_max_easize;
rc = -EINVAL;
}
- lov_tgts_putref(obddev);
+ lov_tgts_putref(obd);
RETURN(rc);
}
__u32 vallen, void *val,
struct ptlrpc_request_set *set)
{
- struct obd_device *obddev = class_exp2obd(exp);
- struct lov_obd *lov = &obddev->u.lov;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct lov_obd *lov = &obd->u.lov;
struct lov_tgt_desc *tgt;
bool do_inactive = false, no_set = false;
u32 i;
RETURN(-ENOMEM);
}
- lov_tgts_getref(obddev);
+ lov_tgts_getref(obd);
if (KEY_IS(KEY_CHECKSUM))
do_inactive = true;
rc = err;
}
- lov_tgts_putref(obddev);
+ lov_tgts_putref(obd);
if (no_set) {
err = ptlrpc_set_wait(env, set);
if (rc == 0)
void lov_stripe_lock(struct lov_stripe_md *md)
__acquires(&md->lsm_lock)
{
- LASSERT(md->lsm_lock_owner != current_pid());
+ LASSERT(md->lsm_lock_owner != current->pid);
spin_lock(&md->lsm_lock);
LASSERT(md->lsm_lock_owner == 0);
- md->lsm_lock_owner = current_pid();
+ md->lsm_lock_owner = current->pid;
}
void lov_stripe_unlock(struct lov_stripe_md *md)
__releases(&md->lsm_lock)
{
- LASSERT(md->lsm_lock_owner == current_pid());
+ LASSERT(md->lsm_lock_owner == current->pid);
md->lsm_lock_owner = 0;
spin_unlock(&md->lsm_lock);
}
static int lov_quotactl(struct obd_device *obd, struct obd_export *exp,
- struct obd_quotactl *oqctl)
+ struct obd_quotactl *oqctl)
{
- struct lov_obd *lov = &obd->u.lov;
- struct lov_tgt_desc *tgt;
- __u64 curspace = 0;
- __u64 bhardlimit = 0;
- int i, rc = 0;
- ENTRY;
+ struct lov_obd *lov = &obd->u.lov;
+ struct lov_tgt_desc *tgt;
+ struct pool_desc *pool = NULL;
+ __u64 curspace = 0;
+ __u64 bhardlimit = 0;
+ int i, rc = 0;
+ ENTRY;
if (oqctl->qc_cmd != Q_GETOQUOTA &&
- oqctl->qc_cmd != LUSTRE_Q_SETQUOTA) {
- CERROR("%s: bad quota opc %x for lov obd\n",
- obd->obd_name, oqctl->qc_cmd);
- RETURN(-EFAULT);
+ oqctl->qc_cmd != LUSTRE_Q_SETQUOTA &&
+ oqctl->qc_cmd != LUSTRE_Q_GETQUOTAPOOL) {
+ rc = -EFAULT;
+ CERROR("%s: bad quota opc %x for lov obd: rc = %d\n",
+ obd->obd_name, oqctl->qc_cmd, rc);
+ RETURN(rc);
+ }
+
+ if (oqctl->qc_cmd == LUSTRE_Q_GETQUOTAPOOL) {
+ pool = lov_pool_find(obd, oqctl->qc_poolname);
+ if (!pool)
+ RETURN(-ENOENT);
+ /* Set Q_GETOQUOTA back as targets report it's own
+ * usage and doesn't care about pools */
+ oqctl->qc_cmd = Q_GETOQUOTA;
}
/* for lov tgt */
if (!tgt)
continue;
- if (!tgt->ltd_active || tgt->ltd_reap) {
- if (oqctl->qc_cmd == Q_GETOQUOTA &&
- lov->lov_tgts[i]->ltd_activate) {
+ if (pool &&
+ tgt_check_index(tgt->ltd_index, &pool->pool_obds))
+ continue;
+
+ if (!tgt->ltd_active || tgt->ltd_reap) {
+ if (oqctl->qc_cmd == Q_GETOQUOTA &&
+ lov->lov_tgts[i]->ltd_activate) {
rc = -ENETDOWN;
- CERROR("ost %d is inactive\n", i);
- } else {
- CDEBUG(D_HA, "ost %d is inactive\n", i);
- }
- continue;
- }
+ CERROR("%s: ost %d is inactive: rc = %d\n",
+ obd->obd_name, i, rc);
+ } else {
+ CDEBUG(D_HA, "ost %d is inactive\n", i);
+ }
+ continue;
+ }
err = obd_quotactl(tgt->ltd_exp, oqctl);
if (err) {
}
}
lov_tgts_putref(obd);
+ if (pool)
+ lov_pool_putref(pool);
if (oqctl->qc_cmd == Q_GETOQUOTA) {
oqctl->qc_dqblk.dqb_curspace = curspace;
RETURN(rc);
}
-static struct obd_ops lov_obd_ops = {
+static const struct obd_ops lov_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = lov_setup,
.o_cleanup = lov_cleanup,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff