#include <linux/obd_lmv.h>
#include "lmv_internal.h"
+/* Error codes:
+ *
+ * -EINVAL : UUID can't be found in the LMV's target list
+ * -ENOTCONN: The UUID is found, but the target connection is bad (!)
+ * -EBADF : The UUID is found, but the OBD of the wrong type (!)
+ */
+static int lmv_set_mdc_active(struct lmv_obd *lmv, struct obd_uuid *uuid,
+ int activate)
+{
+ struct obd_device *obd;
+ struct lmv_tgt_desc *tgt;
+ int i, rc = 0;
+ ENTRY;
+
+ CDEBUG(D_INFO, "Searching in lmv %p for uuid %s (activate=%d)\n",
+ lmv, uuid->uuid, activate);
+
+ spin_lock(&lmv->lmv_lock);
+ for (i = 0, tgt = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgt++) {
+ CDEBUG(D_INFO, "lmv idx %d is %s conn "LPX64"\n",
+ i, tgt->uuid.uuid, tgt->ltd_exp->exp_handle.h_cookie);
+ if (strncmp(uuid->uuid, tgt->uuid.uuid, sizeof uuid->uuid) == 0)
+ break;
+ }
+
+ if (i == lmv->desc.ld_tgt_count)
+ GOTO(out, rc = -EINVAL);
+
+ obd = class_exp2obd(tgt->ltd_exp);
+ if (obd == NULL) {
+ /* This can happen if OST failure races with node shutdown */
+ GOTO(out, rc = -ENOTCONN);
+ }
+
+ CDEBUG(D_INFO, "Found OBD %s=%s device %d (%p) type %s at LMV idx %d\n",
+ obd->obd_name, obd->obd_uuid.uuid, obd->obd_minor, obd,
+ obd->obd_type->typ_name, i);
+ LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0);
+
+ if (tgt->active == activate) {
+ CDEBUG(D_INFO, "OBD %p already %sactive!\n", obd,
+ activate ? "" : "in");
+ GOTO(out, rc);
+ }
+
+ CDEBUG(D_INFO, "Marking OBD %p %sactive\n", obd, activate ? "" : "in");
+
+ tgt->active = activate;
+ if (activate)
+ lmv->desc.ld_active_tgt_count++;
+ else
+ lmv->desc.ld_active_tgt_count--;
+
+ EXIT;
+ out:
+ spin_unlock(&lmv->lmv_lock);
+ return rc;
+}
+
+static int lmv_notify(struct obd_device *obd, struct obd_device *watched,
+ int active)
+{
+ int rc;
+ struct obd_uuid *uuid;
+
+ if (strcmp(watched->obd_type->typ_name, LUSTRE_MDC_NAME)) {
+ CERROR("unexpected notification of %s %s!\n",
+ watched->obd_type->typ_name,
+ watched->obd_name);
+ return -EINVAL;
+ }
+ uuid = &watched->u.cli.cl_import->imp_target_uuid;
+
+ /* Set MDC as active before notifying the observer, so the
+ * observer can use the MDC normally.
+ */
+ rc = lmv_set_mdc_active(&obd->u.lmv, uuid, active);
+ if (rc) {
+ CERROR("%sactivation of %s failed: %d\n",
+ active ? "" : "de", uuid->uuid, rc);
+ RETURN(rc);
+ }
+
+ if (obd->obd_observer)
+ /* Pass the notification up the chain. */
+ rc = obd_notify(obd->obd_observer, watched, active);
+
+ RETURN(rc);
+}
+
int lmv_attach(struct obd_device *dev, obd_count len, void *data)
{
struct lprocfs_static_vars lvars;
return lprocfs_obd_detach(dev);
}
-static int lmv_connect_fake(struct lustre_handle *conn,
- struct obd_device *obd,
- struct obd_uuid *cluuid)
+/* This is fake connect function. Its purpose is to initialize lmv and
+ * say caller that everything is okay. Real connection will be performed
+ * later. */
+static int lmv_connect(struct lustre_handle *conn, struct obd_device *obd,
+ struct obd_uuid *cluuid)
{
struct lmv_obd *lmv = &obd->u.lmv;
struct obd_export *exp;
if (lmv->connected == 0)
return;
- for (i = 0, tgts = lmv->tgts; i < lmv->count; i++, tgts++) {
- if (tgts->exp == NULL)
+ for (i = 0, tgts = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgts++) {
+ if (tgts->ltd_exp == NULL)
continue;
- obd_set_info(tgts->exp, strlen("inter_mds"),
+ obd_set_info(tgts->ltd_exp, strlen("inter_mds"),
"inter_mds", 0, NULL);
}
}
-int lmv_connect(struct obd_device *obd)
-{
+/* Performs a check if passed obd is connected. If no - connect it. */
+int lmv_check_connect(struct obd_device *obd) {
struct lmv_obd *lmv = &obd->u.lmv;
struct obd_uuid *cluuid;
struct lmv_tgt_desc *tgts;
struct obd_export *exp;
- int rc, i;
+ int rc, rc2, i;
ENTRY;
if (lmv->connected)
CDEBUG(D_OTHER, "time to connect %s to %s\n",
cluuid->uuid, obd->obd_name);
- for (i = 0, tgts = lmv->tgts; i < lmv->count; i++, tgts++) {
+ for (i = 0, tgts = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgts++) {
struct obd_device *tgt_obd;
struct obd_uuid lmv_osc_uuid = { "LMV_OSC_UUID" };
struct lustre_handle conn = {0, };
if (obd_uuid_equals(&tgts->uuid, cluuid)) {
CDEBUG(D_OTHER, "don't connect back to %s\n",
cluuid->uuid);
- tgts->exp = NULL;
+ tgts->ltd_exp = NULL;
continue;
}
tgts->uuid.uuid, rc);
GOTO(out_disc, rc);
}
- tgts->exp = class_conn2export(&conn);
+ tgts->ltd_exp = class_conn2export(&conn);
- obd_init_ea_size(tgts->exp, lmv->max_easize,
- lmv->max_cookiesize);
+ obd_init_ea_size(tgts->ltd_exp, lmv->max_easize,
+ lmv->max_cookiesize);
rc = obd_register_observer(tgt_obd, obd);
if (rc) {
CERROR("Target %s register_observer error %d\n",
tgts->uuid.uuid, rc);
- obd_disconnect(tgts->exp, 0);
+ obd_disconnect(tgts->ltd_exp, 0);
GOTO(out_disc, rc);
}
+ lmv->desc.ld_active_tgt_count++;
+ tgts->active = 1;
+
CDEBUG(D_OTHER, "connected to %s(%s) successfully (%d)\n",
tgt_obd->obd_name, tgt_obd->obd_uuid.uuid,
atomic_read(&obd->obd_refcount));
RETURN (0);
out_disc:
- /* FIXME: cleanup here */
+ while (i-- > 0) {
+ struct obd_uuid uuid;
+ --tgts;
+ --lmv->desc.ld_active_tgt_count;
+ tgts->active = 0;
+ /* save for CERROR below; (we know it's terminated) */
+ uuid = tgts->uuid;
+ rc2 = obd_disconnect(tgts->ltd_exp, 0);
+ if (rc2)
+ CERROR("error: LMV target %s disconnect on MDT idx %d: "
+ "rc = %d\n", uuid.uuid, i, rc2);
+ }
class_disconnect(exp, 0);
RETURN (rc);
}
if (lmv->refcount != 0)
goto out_local;
- for (i = 0; i < lmv->count; i++) {
- if (lmv->tgts[i].exp == NULL)
+ for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
+ if (lmv->tgts[i].ltd_exp == NULL)
continue;
if (obd->obd_no_recov) {
* XXX not a back-door flag on the OBD. Ah well.
*/
struct obd_device *mdc_obd;
- mdc_obd = class_exp2obd(lmv->tgts[i].exp);
+ mdc_obd = class_exp2obd(lmv->tgts[i].ltd_exp);
if (mdc_obd)
mdc_obd->obd_no_recov = 1;
}
CDEBUG(D_OTHER, "disconnected from %s(%s) successfully\n",
- lmv->tgts[i].exp->exp_obd->obd_name,
- lmv->tgts[i].exp->exp_obd->obd_uuid.uuid);
+ lmv->tgts[i].ltd_exp->exp_obd->obd_name,
+ lmv->tgts[i].ltd_exp->exp_obd->obd_uuid.uuid);
- obd_register_observer(lmv->tgts[i].exp->exp_obd, NULL);
+ obd_register_observer(lmv->tgts[i].ltd_exp->exp_obd, NULL);
- rc = obd_disconnect(lmv->tgts[i].exp, flags);
- lmv->tgts[i].exp = NULL;
+ rc = obd_disconnect(lmv->tgts[i].ltd_exp, flags);
+ if (lmv->tgts[i].active) {
+ lmv->desc.ld_active_tgt_count--;
+ lmv->tgts[i].active = 0;
+ }
+ lmv->tgts[i].ltd_exp = NULL;
}
out_local:
struct obd_uuid *uuids;
struct lmv_tgt_desc *tgts;
int i;
- int count;
int rc = 0;
ENTRY;
RETURN(-EINVAL);
}
- count = desc->ld_count;
uuids = (struct obd_uuid *)lcfg->lcfg_inlbuf2;
- if (sizeof(*uuids) * count != lcfg->lcfg_inllen2) {
+ if (sizeof(*uuids) * desc->ld_tgt_count != lcfg->lcfg_inllen2) {
CERROR("UUID array size wrong: %u * %u != %u\n",
- sizeof(*uuids), count, lcfg->lcfg_inllen2);
+ sizeof(*uuids), desc->ld_tgt_count, lcfg->lcfg_inllen2);
RETURN(-EINVAL);
}
- lmv->bufsize = sizeof(struct lmv_tgt_desc) * count;
+ lmv->bufsize = sizeof(struct lmv_tgt_desc) * desc->ld_tgt_count;
OBD_ALLOC(lmv->tgts, lmv->bufsize);
if (lmv->tgts == NULL) {
CERROR("Out of memory\n");
RETURN(-EINVAL);
}
- for (i = 0, tgts = lmv->tgts; i < count; i++, tgts++) {
+ lmv->desc = *desc;
+ spin_lock_init(&lmv->lmv_lock);
+
+ for (i = 0, tgts = lmv->tgts; i < desc->ld_tgt_count; i++, tgts++)
tgts->uuid = uuids[i];
- lmv->count++;
- }
-
- lmv->max_easize = sizeof(struct ll_fid) * lmv->count
- + sizeof(struct mea);
+
+ lmv->max_easize = sizeof(struct ll_fid) * desc->ld_tgt_count
+ + sizeof(struct mea);
lmv->max_cookiesize = 0;
RETURN(rc);
struct obd_statfs temp;
int rc = 0, i;
ENTRY;
- lmv_connect(obd);
- for (i = 0; i < lmv->count; i++) {
- rc = obd_statfs(lmv->tgts[i].exp->exp_obd, &temp, max_age);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
+ rc = obd_statfs(lmv->tgts[i].ltd_exp->exp_obd, &temp, max_age);
if (rc) {
CERROR("can't stat MDS #%d (%s)\n", i,
- lmv->tgts[i].exp->exp_obd->obd_name);
+ lmv->tgts[i].ltd_exp->exp_obd->obd_name);
RETURN(rc);
}
if (i == 0) {
struct lmv_obd *lmv = &obd->u.lmv;
int rc;
ENTRY;
- lmv_connect(obd);
- rc = md_getstatus(lmv->tgts[0].exp, fid);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+ rc = md_getstatus(lmv->tgts[0].ltd_exp, fid);
fid->mds = 0;
RETURN(rc);
}
int rc, i = fid->mds;
struct lmv_obj *obj;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
obj = lmv_grab_obj(obd, fid, 0);
CDEBUG(D_OTHER, "GETATTR for %lu/%lu/%lu %s\n",
(unsigned long) fid->mds,
(unsigned long) fid->generation,
obj ? "(splitted)" : "");
- LASSERT(fid->mds < lmv->count);
- rc = md_getattr(lmv->tgts[i].exp, fid,
+ LASSERT(fid->mds < lmv->desc.ld_tgt_count);
+ rc = md_getattr(lmv->tgts[i].ltd_exp, fid,
valid, ea_size, request);
if (rc == 0 && obj) {
/* we have to loop over dirobjs here and gather attrs
struct lmv_obd *lmv = &obd->u.lmv;
int rc = 0;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
CDEBUG(D_OTHER, "CBDATA for %lu/%lu/%lu\n",
(unsigned long) fid->mds,
(unsigned long) fid->id,
(unsigned long) fid->generation);
- LASSERT(fid->mds < lmv->count);
- rc = md_change_cbdata(lmv->tgts[fid->mds].exp, fid, it, data);
+ LASSERT(fid->mds < lmv->desc.ld_tgt_count);
+ rc = md_change_cbdata(lmv->tgts[fid->mds].ltd_exp, fid, it, data);
RETURN(rc);
}
struct lmv_obj *obj;
int rc = 0, mds;
ENTRY;
- lmv_connect(obd);
- LASSERT(pfid->mds < lmv->count);
- LASSERT(cfid->mds < lmv->count);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+ LASSERT(pfid->mds < lmv->desc.ld_tgt_count);
+ LASSERT(cfid->mds < lmv->desc.ld_tgt_count);
CDEBUG(D_OTHER, "CBDATA for %lu/%lu/%lu:%*s -> %lu/%lu/%lu\n",
(unsigned long) pfid->mds, (unsigned long) pfid->id,
(unsigned long) pfid->generation, len, name,
mds = raw_name2idx(obj->objcount, name, len);
lmv_put_obj(obj);
}
- rc = md_change_cbdata(lmv->tgts[mds].exp, cfid, it, data);
+ rc = md_change_cbdata(lmv->tgts[mds].ltd_exp, cfid, it, data);
RETURN(rc);
}
struct lmv_obd *lmv = &obd->u.lmv;
int rc = 0;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
CDEBUG(D_OTHER, "validate %lu/%lu/%lu\n",
(unsigned long) fid->mds,
(unsigned long) fid->id,
(unsigned long) fid->generation);
- LASSERT(fid->mds < lmv->count);
- rc = md_valid_attrs(lmv->tgts[fid->mds].exp, fid);
+ LASSERT(fid->mds < lmv->desc.ld_tgt_count);
+ rc = md_valid_attrs(lmv->tgts[fid->mds].ltd_exp, fid);
RETURN(rc);
}
struct lmv_obd *lmv = &obd->u.lmv;
int rc, i = obdo->o_mds;
ENTRY;
- lmv_connect(obd);
- LASSERT(i < lmv->count);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+ LASSERT(i < lmv->desc.ld_tgt_count);
CDEBUG(D_OTHER, "CLOSE %lu/%lu/%lu\n", (unsigned long) obdo->o_mds,
(unsigned long) obdo->o_id, (unsigned long) obdo->o_generation);
- rc = md_close(lmv->tgts[i].exp, obdo, och, request);
+ rc = md_close(lmv->tgts[i].ltd_exp, obdo, och, request);
RETURN(rc);
}
valid = OBD_MD_FLEASIZE | OBD_MD_FLDIREA;
/* time to update mea of parent fid */
- rc = md_getattr(lmv->tgts[fid->mds].exp, fid,
+ rc = md_getattr(lmv->tgts[fid->mds].ltd_exp, fid,
valid, mealen, &req);
if (rc) {
CERROR("md_getattr() failed, rc = %d\n", rc);
int rc, mds;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ if (!lmv->desc.ld_active_tgt_count)
+ RETURN(-EIO);
repeat:
obj = lmv_grab_obj(obd, &op_data->fid1, 0);
if (obj) {
mds = raw_name2idx(obj->objcount, op_data->name,
- op_data->namelen);
+ op_data->namelen);
op_data->fid1 = obj->objs[mds].fid;
lmv_put_obj(obj);
}
(unsigned long) op_data->fid1.mds,
(unsigned long) op_data->fid1.id,
(unsigned long) op_data->fid1.generation);
- rc = md_create(lmv->tgts[op_data->fid1.mds].exp, op_data, data,
+ rc = md_create(lmv->tgts[op_data->fid1.mds].ltd_exp, op_data, data,
datalen, mode, uid, gid, rdev, request);
if (rc == 0) {
if (*request == NULL)
(unsigned long) mds_body->fid1.generation,
op_data->fid1.mds);
LASSERT(mds_body->valid & OBD_MD_MDS ||
- mds_body->mds == op_data->fid1.mds);
+ mds_body->mds == op_data->fid1.mds);
} else if (rc == -ERESTART) {
/* directory got splitted. time to update local object
* and repeat the request with proper MDS */
struct lmv_obd *lmv = &obd->u.lmv;
int rc;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
/* FIXME: choose right MDC here */
- rc = md_done_writing(lmv->tgts[0].exp, obdo);
+ rc = md_done_writing(lmv->tgts[0].ltd_exp, obdo);
RETURN(rc);
}
struct lmv_obj *obj;
int rc, mds;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
if (data->namelen) {
obj = lmv_grab_obj(obd, &data->fid1, 0);
if (obj) {
CDEBUG(D_OTHER, "ENQUEUE '%s' on %lu/%lu\n",
LL_IT2STR(it), (unsigned long) data->fid1.id,
(unsigned long) data->fid1.generation);
- rc = md_enqueue(lmv->tgts[data->fid1.mds].exp, lock_type, it,
+ rc = md_enqueue(lmv->tgts[data->fid1.mds].ltd_exp, lock_type, it,
lock_mode, data, lockh, lmm, lmmsize, cb_completion,
cb_blocking, cb_data);
struct mds_body *body;
struct lmv_obj *obj;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+repeat:
obj = lmv_grab_obj(obd, fid, 0);
if (obj) {
/* directory is splitted. look for right mds for this name */
(unsigned long) fid->id, (unsigned long) fid->generation,
(unsigned long) rfid.mds, (unsigned long) rfid.id,
(unsigned long) rfid.generation);
- rc = md_getattr_name(lmv->tgts[mds].exp, &rfid, filename, namelen,
+ rc = md_getattr_name(lmv->tgts[mds].ltd_exp, &rfid, filename, namelen,
valid, ea_size, request);
if (rc == 0) {
/* this could be cross-node reference. in this case all
(unsigned long) rfid.mds,
(unsigned long) rfid.id,
(unsigned long) rfid.generation);
- rc = md_getattr_name(lmv->tgts[rfid.mds].exp, &rfid,
+ rc = md_getattr_name(lmv->tgts[rfid.mds].ltd_exp, &rfid,
NULL, 1, valid, ea_size, &req);
ptlrpc_req_finished(*request);
*request = req;
}
+ } else if (rc == -ERESTART) {
+ /* directory got splitted. time to update local object
+ * and repeat the request with proper MDS */
+ rc = lmv_get_mea_and_update_object(exp, &rfid);
+ if (rc == 0) {
+ ptlrpc_req_finished(*request);
+ goto repeat;
+ }
}
RETURN(rc);
}
struct lmv_obj *obj;
int rc;
ENTRY;
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
if (data->namelen != 0) {
/* usual link request */
obj = lmv_grab_obj(obd, &data->fid1, 0);
(unsigned) data->fid1.generation);
}
- rc = md_link(lmv->tgts[data->fid1.mds].exp, data, request);
+ rc = md_link(lmv->tgts[data->fid1.mds].ltd_exp, data, request);
RETURN(rc);
}
(unsigned long) data->fid2.id,
(unsigned long) data->fid2.generation, newlen, new);
- lmv_connect(obd);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
if (oldlen == 0) {
/* MDS with old dir entry is asking another MDS
mds = data->fid1.mds;
request:
- rc = md_rename(lmv->tgts[mds].exp, data, old, oldlen,
- new, newlen, request);
+ rc = md_rename(lmv->tgts[mds].ltd_exp, data, old, oldlen,
+ new, newlen, request);
RETURN(rc);
}
struct mds_body *mds_body;
struct lmv_obj *obj;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
obj = lmv_grab_obj(obd, &data->fid1, 0);
CDEBUG(D_OTHER, "SETATTR for %lu/%lu/%lu, valid 0x%x%s\n",
(unsigned long) data->fid1.mds,
if (obj) {
for (i = 0; i < obj->objcount; i++) {
data->fid1 = obj->objs[i].fid;
- rc = md_setattr(lmv->tgts[i].exp, data, iattr, ea,
+ rc = md_setattr(lmv->tgts[i].ltd_exp, data, iattr, ea,
ealen, ea2, ea2len, &req);
LASSERT(rc == 0);
if (fid_equal(&obj->fid, &obj->objs[i].fid)) {
}
lmv_put_obj(obj);
} else {
- LASSERT(data->fid1.mds < lmv->count);
- rc = md_setattr(lmv->tgts[i].exp, data, iattr, ea, ealen,
+ LASSERT(data->fid1.mds < lmv->desc.ld_tgt_count);
+ rc = md_setattr(lmv->tgts[i].ltd_exp, data, iattr, ea, ealen,
ea2, ea2len, request);
if (rc == 0) {
mds_body = lustre_msg_buf((*request)->rq_repmsg, 0,
struct lmv_obd *lmv = &obd->u.lmv;
int rc;
ENTRY;
- lmv_connect(obd);
- rc = md_sync(lmv->tgts[0].exp, fid, request);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ rc = md_sync(lmv->tgts[0].ltd_exp, fid, request);
RETURN(rc);
}
struct lmv_obj *obj;
int rc, i;
ENTRY;
- lmv_connect(obd);
-
- LASSERT(mdc_fid->mds < lmv->count);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ LASSERT(mdc_fid->mds < lmv->desc.ld_tgt_count);
CDEBUG(D_OTHER, "READPAGE at %llu from %lu/%lu/%lu\n",
offset, (unsigned long) rfid.mds,
(unsigned long) rfid.id,
(unsigned long) rfid.generation,
(unsigned long) offset);
}
- rc = md_readpage(lmv->tgts[rfid.mds].exp, &rfid, offset, page, request);
+ rc = md_readpage(lmv->tgts[rfid.mds].ltd_exp, &rfid, offset, page, request);
if (rc == 0 && !fid_equal(&rfid, mdc_fid)) {
/* this page isn't from master object. to avoid
* ./.. duplication in directory, we have to remove them
struct lmv_obd *lmv = &obd->u.lmv;
int rc, i = 0;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
if (data->namelen != 0) {
struct lmv_obj *obj;
obj = lmv_grab_obj(obd, &data->fid1, 0);
(unsigned long) data->fid1.id,
(unsigned long) data->fid1.generation);
}
- rc = md_unlink(lmv->tgts[data->fid1.mds].exp, data, request);
+ rc = md_unlink(lmv->tgts[data->fid1.mds].ltd_exp, data, request);
RETURN(rc);
}
{
struct obd_device *obd = exp->exp_obd;
struct lmv_obd *lmv = &obd->u.lmv;
+ int rc;
ENTRY;
- lmv_connect(obd);
- obd = lmv->tgts[0].exp->exp_obd;
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(ERR_PTR(rc));
+ obd = lmv->tgts[0].ltd_exp->exp_obd;
EXIT;
return obd;
}
RETURN(0);
/* FIXME: error handling? */
- for (i = 0; i < lmv->count; i++)
- rc = obd_init_ea_size(lmv->tgts[i].exp, easize, cookiesize);
+ for (i = 0; i < lmv->desc.ld_tgt_count; i++)
+ rc = obd_init_ea_size(lmv->tgts[i].ltd_exp, easize, cookiesize);
RETURN(rc);
}
struct lov_stripe_md *obj_mdp = &obj_md;
int rc = 0;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
LASSERT(ea == NULL);
- LASSERT(oa->o_mds < lmv->count);
+ LASSERT(oa->o_mds < lmv->desc.ld_tgt_count);
- rc = obd_create(lmv->tgts[oa->o_mds].exp, oa, &obj_mdp, oti);
+ rc = obd_create(lmv->tgts[oa->o_mds].ltd_exp, oa, &obj_mdp, oti);
LASSERT(rc == 0);
RETURN(rc);
int i, c, rc = 0;
struct ll_fid mfid;
ENTRY;
- lmv_connect(obd);
+
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
LASSERT(oa != NULL);
mfid.id = oa->o_id;
mfid.generation = oa->o_generation;
rc = 0;
- if (!mea->mea_count || mea->mea_count > lmv->count)
- mea->mea_count = lmv->count;
+ if (!mea->mea_count || mea->mea_count > lmv->desc.ld_tgt_count)
+ mea->mea_count = lmv->desc.ld_tgt_count;
mea->mea_master = -1;
/* FIXME: error handling? */
- for (i = 0, c = 0; c < mea->mea_count && i < lmv->count; i++) {
+ for (i = 0, c = 0; c < mea->mea_count &&
+ i < lmv->desc.ld_tgt_count; i++) {
struct lov_stripe_md obj_md;
struct lov_stripe_md *obj_mdp = &obj_md;
- if (lmv->tgts[i].exp == NULL) {
+ if (lmv->tgts[i].ltd_exp == NULL) {
/* this is master MDS */
mea->mea_fids[c].id = mfid.id;
mea->mea_fids[c].generation = mfid.generation;
oa->o_valid = OBD_MD_FLGENER | OBD_MD_FLTYPE | OBD_MD_FLMODE
| OBD_MD_FLUID | OBD_MD_FLGID | OBD_MD_FLID;
- rc = obd_create(lmv->tgts[c].exp, oa, &obj_mdp, oti);
+ rc = obd_create(lmv->tgts[c].ltd_exp, oa, &obj_mdp, oti);
/* FIXME: error handling here */
LASSERT(rc == 0);
if (keylen == 6 && memcmp(key, "mdsize", 6) == 0) {
__u32 *mdsize = val;
*vallen = sizeof(__u32);
- *mdsize = sizeof(struct ll_fid) * lmv->count
+ *mdsize = sizeof(struct ll_fid) * lmv->desc.ld_tgt_count
+ sizeof(struct mea);
RETURN(0);
} else if (keylen == 6 && memcmp(key, "mdsnum", 6) == 0) {
__u32 *mdsnum = val;
int i;
- for (i = 0, tgts = lmv->tgts; i < lmv->count; i++, tgts++) {
+ for (i = 0, tgts = lmv->tgts; i < lmv->desc.ld_tgt_count; i++, tgts++) {
if (obd_uuid_equals(&tgts->uuid, cluuid)) {
*vallen = sizeof(__u32);
*mdsnum = i;
struct lmv_tgt_desc *tgts;
int i, rc;
- lmv_connect(obd);
- for (i = 0, tgts = lmv->tgts; i < lmv->count; i++, tgts++) {
- rc = obd_set_info(tgts->exp, keylen, key, vallen, val);
+ rc = lmv_check_connect(obd);
+ if (rc)
+ RETURN(rc);
+
+ for (i = 0, tgts = lmv->tgts;
+ i < lmv->desc.ld_tgt_count; i++, tgts++) {
+ rc = obd_set_info(tgts->ltd_exp, keylen, key, vallen, val);
if (rc)
RETURN(rc);
}
int mea_size;
ENTRY;
- mea_size = sizeof(struct ll_fid) * lmv->count + sizeof(struct mea);
+ mea_size = sizeof(struct ll_fid) *
+ lmv->desc.ld_tgt_count + sizeof(struct mea);
if (!lmmp)
RETURN(mea_size);
int mea_size;
ENTRY;
- mea_size = sizeof(struct ll_fid) * lmv->count + sizeof(struct mea);
+ mea_size = sizeof(struct ll_fid) *
+ lmv->desc.ld_tgt_count + sizeof(struct mea);
if (mem_tgt == NULL)
return mea_size;
LASSERT(oa != NULL);
LASSERT(ea != NULL);
LASSERT(pgarr != NULL);
- LASSERT(oa->o_mds < lmv->count);
+ LASSERT(oa->o_mds < lmv->desc.ld_tgt_count);
oa->o_gr = mea->mea_fids[oa->o_mds].generation;
oa->o_id = mea->mea_fids[oa->o_mds].id;
oa->o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
- err = obd_brw(rw, lmv->tgts[oa->o_mds].exp, oa,
- NULL, oa_bufs, pgarr, oti);
+ err = obd_brw(rw, lmv->tgts[oa->o_mds].ltd_exp, oa,
+ NULL, oa_bufs, pgarr, oti);
RETURN(err);
}
struct obd_ops lmv_obd_ops = {
- o_owner: THIS_MODULE,
- o_attach: lmv_attach,
- o_detach: lmv_detach,
- o_setup: lmv_setup,
- o_cleanup: lmv_cleanup,
- o_connect: lmv_connect_fake,
- o_disconnect: lmv_disconnect,
- o_statfs: lmv_statfs,
- o_get_info: lmv_get_info,
- o_set_info: lmv_set_info,
- o_create: lmv_obd_create,
- o_packmd: lmv_packmd,
- o_unpackmd: lmv_unpackmd,
- o_brw: lmv_brw,
- o_init_ea_size: lmv_init_ea_size,
+ .o_owner = THIS_MODULE,
+ .o_attach = lmv_attach,
+ .o_detach = lmv_detach,
+ .o_setup = lmv_setup,
+ .o_cleanup = lmv_cleanup,
+ .o_connect = lmv_connect,
+ .o_disconnect = lmv_disconnect,
+ .o_statfs = lmv_statfs,
+ .o_get_info = lmv_get_info,
+ .o_set_info = lmv_set_info,
+ .o_create = lmv_obd_create,
+ .o_packmd = lmv_packmd,
+ .o_unpackmd = lmv_unpackmd,
+ .o_brw = lmv_brw,
+ .o_init_ea_size = lmv_init_ea_size,
+ .o_notify = lmv_notify,
};
struct md_ops lmv_md_ops = {
- m_getstatus: lmv_getstatus,
- m_getattr: lmv_getattr,
- m_change_cbdata: lmv_change_cbdata,
- m_change_cbdata_name: lmv_change_cbdata_name,
- m_close: lmv_close,
- m_create: lmv_create,
- m_done_writing: lmv_done_writing,
- m_enqueue: lmv_enqueue,
- m_getattr_name: lmv_getattr_name,
- m_intent_lock: lmv_intent_lock,
- m_link: lmv_link,
- m_rename: lmv_rename,
- m_setattr: lmv_setattr,
- m_sync: lmv_sync,
- m_readpage: lmv_readpage,
- m_unlink: lmv_unlink,
- m_get_real_obd: lmv_get_real_obd,
- m_valid_attrs: lmv_valid_attrs,
+ .m_getstatus = lmv_getstatus,
+ .m_getattr = lmv_getattr,
+ .m_change_cbdata = lmv_change_cbdata,
+ .m_change_cbdata_name = lmv_change_cbdata_name,
+ .m_close = lmv_close,
+ .m_create = lmv_create,
+ .m_done_writing = lmv_done_writing,
+ .m_enqueue = lmv_enqueue,
+ .m_getattr_name = lmv_getattr_name,
+ .m_intent_lock = lmv_intent_lock,
+ .m_link = lmv_link,
+ .m_rename = lmv_rename,
+ .m_setattr = lmv_setattr,
+ .m_sync = lmv_sync,
+ .m_readpage = lmv_readpage,
+ .m_unlink = lmv_unlink,
+ .m_get_real_obd = lmv_get_real_obd,
+ .m_valid_attrs = lmv_valid_attrs,
};
int __init lmv_init(void)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff