tgt->ltd_active = activate;
lmv->desc.ld_active_tgt_count += (activate ? 1 : -1);
+
+ tgt->ltd_exp->exp_obd->obd_inactive = !activate;
}
/**
static int lmv_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
__u32 index, int gen)
{
+ struct obd_device *mdc_obd;
struct lmv_obd *lmv = &obd->u.lmv;
struct lmv_tgt_desc *tgt;
int orig_tgt_count = 0;
ENTRY;
CDEBUG(D_CONFIG, "Target uuid: %s. index %d\n", uuidp->uuid, index);
-
- mutex_lock(&lmv->lmv_init_mutex);
-
- if (lmv->desc.ld_tgt_count == 0) {
- struct obd_device *mdc_obd;
-
- mdc_obd = class_find_client_obd(uuidp, LUSTRE_MDC_NAME,
- &obd->obd_uuid);
- if (!mdc_obd) {
- mutex_unlock(&lmv->lmv_init_mutex);
- CERROR("%s: Target %s not attached: rc = %d\n",
- obd->obd_name, uuidp->uuid, -EINVAL);
- RETURN(-EINVAL);
- }
+ mdc_obd = class_find_client_obd(uuidp, LUSTRE_MDC_NAME,
+ &obd->obd_uuid);
+ if (!mdc_obd) {
+ CERROR("%s: Target %s not attached: rc = %d\n",
+ obd->obd_name, uuidp->uuid, -EINVAL);
+ RETURN(-EINVAL);
}
+ mutex_lock(&lmv->lmv_init_mutex);
if ((index < lmv->tgts_size) && (lmv->tgts[index] != NULL)) {
tgt = lmv->tgts[index];
CERROR("%s: UUID %s already assigned at LOV target index %d:"
lmv->desc.ld_tgt_count = index + 1;
}
- if (lmv->connected) {
- rc = lmv_connect_mdc(obd, tgt);
- if (rc != 0) {
- spin_lock(&lmv->lmv_lock);
- if (lmv->desc.ld_tgt_count == index + 1)
- lmv->desc.ld_tgt_count = orig_tgt_count;
- memset(tgt, 0, sizeof(*tgt));
- spin_unlock(&lmv->lmv_lock);
- } else {
- int easize = sizeof(struct lmv_stripe_md) +
- lmv->desc.ld_tgt_count * sizeof(struct lu_fid);
- lmv_init_ea_size(obd->obd_self_export, easize, 0);
- }
+ if (lmv->connected == 0) {
+ /* lmv_check_connect() will connect this target. */
+ mutex_unlock(&lmv->lmv_init_mutex);
+ RETURN(0);
}
+ /* Otherwise let's connect it ourselves */
mutex_unlock(&lmv->lmv_init_mutex);
+ rc = lmv_connect_mdc(obd, tgt);
+ if (rc != 0) {
+ spin_lock(&lmv->lmv_lock);
+ if (lmv->desc.ld_tgt_count == index + 1)
+ lmv->desc.ld_tgt_count = orig_tgt_count;
+ memset(tgt, 0, sizeof(*tgt));
+ spin_unlock(&lmv->lmv_lock);
+ } else {
+ int easize = sizeof(struct lmv_stripe_md) +
+ lmv->desc.ld_tgt_count * sizeof(struct lu_fid);
+ lmv_init_ea_size(obd->obd_self_export, easize, 0);
+ }
+
RETURN(rc);
}
rc = md_rename(target_exp, op_data, old, oldlen, new, newlen,
request);
- if (rc != 0 && rc != -EREMOTE)
+ if (rc != 0 && rc != -EXDEV)
RETURN(rc);
body = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_BODY);
RETURN(rc);
}
-int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp,
- const union lmv_mds_md *lmm, int stripe_count)
+static int lmv_unpackmd(struct obd_export *exp, struct lmv_stripe_md **lsmp,
+ const union lmv_mds_md *lmm, size_t lmm_size)
{
struct lmv_stripe_md *lsm;
int lsm_size;
RETURN(0);
}
- /* Alloc memmd */
- if (lsm == NULL && lmm == NULL) {
- lsm_size = lmv_stripe_md_size(stripe_count);
- OBD_ALLOC(lsm, lsm_size);
- if (lsm == NULL)
- RETURN(-ENOMEM);
- lsm->lsm_md_stripe_count = stripe_count;
- *lsmp = lsm;
- RETURN(0);
- }
-
if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE)
RETURN(-EPERM);
RETURN(lsm_size);
}
-int lmv_alloc_memmd(struct lmv_stripe_md **lsmp, int stripes)
-{
- return lmv_unpack_md(NULL, lsmp, NULL, stripes);
-}
-
void lmv_free_memmd(struct lmv_stripe_md *lsm)
{
- lmv_unpack_md(NULL, &lsm, NULL, 0);
+ lmv_unpackmd(NULL, &lsm, NULL, 0);
}
EXPORT_SYMBOL(lmv_free_memmd);
-int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
- struct lov_mds_md *lmm, int disk_len)
-{
- return lmv_unpack_md(exp, (struct lmv_stripe_md **)lsmp,
- (union lmv_mds_md *)lmm, disk_len);
-}
-
static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
ldlm_policy_data_t *policy, ldlm_mode_t mode,
ldlm_cancel_flags_t flags, void *opaque)
.o_statfs = lmv_statfs,
.o_get_info = lmv_get_info,
.o_set_info_async = lmv_set_info_async,
- .o_unpackmd = lmv_unpackmd,
.o_notify = lmv_notify,
.o_get_uuid = lmv_get_uuid,
.o_iocontrol = lmv_iocontrol,
.m_intent_getattr_async = lmv_intent_getattr_async,
.m_revalidate_lock = lmv_revalidate_lock,
.m_get_fid_from_lsm = lmv_get_fid_from_lsm,
+ .m_unpackmd = lmv_unpackmd,
};
int __init lmv_init(void)