GOTO(out_lmv_lock, rc);
}
- CDEBUG(D_INFO, "Marking OBD %p %sactive\n", obd,
+ CDEBUG(D_INFO, "Marking OBD %p %sactive\n", obd,
activate ? "" : "in");
lmv_activate_target(lmv, tgt, activate);
EXIT;
} else if (ev == OBD_NOTIFY_OCD) {
conn_data = &watched->u.cli.cl_import->imp_connect_data;
- /*
+ /*
* Set connect data to desired target, update exp_connect_flags.
*/
rc = lmv_set_mdc_data(lmv, uuid, conn_data);
}
#if 0
else if (ev == OBD_NOTIFY_DISCON) {
- /*
- * For disconnect event, flush fld cache for failout MDS case.
+ /*
+ * For disconnect event, flush fld cache for failout MDS case.
*/
fld_client_flush(&lmv->lmv_fld);
}
#endif
- /*
- * Pass the notification up the chain.
+ /*
+ * Pass the notification up the chain.
*/
if (obd->obd_observer)
rc = obd_notify(obd->obd_observer, watched, ev, data);
/**
* This is fake connect function. Its purpose is to initialize lmv and say
- * caller that everything is okay. Real connection will be performed later.
+ * caller that everything is okay. Real connection will be performed later.
*/
static int lmv_connect(const struct lu_env *env,
struct lustre_handle *conn, struct obd_device *obd,
exp = class_conn2export(conn);
- /*
+ /*
* We don't want to actually do the underlying connections more than
- * once, so keep track.
+ * once, so keep track.
*/
lmv->refcount++;
if (lmv->refcount > 1) {
}
#endif
- /*
+ /*
* All real clients should perform actual connection right away, because
* it is possible, that LMV will not have opportunity to connect targets
* and MDC stuff will be called directly, for instance while reading
- * ../mdc/../kbytesfree procfs file, etc.
+ * ../mdc/../kbytesfree procfs file, etc.
*/
if (data->ocd_connect_flags & OBD_CONNECT_REAL)
rc = lmv_check_connect(obd);
mdc_exp = class_conn2export(&conn);
- /*
+ /*
* Init fid sequence client for this mdc and add new fld target.
*/
rc = obd_fid_init(mdc_exp);
}
if (obd->obd_observer) {
- /*
+ /*
* Tell the observer about the new target.
*/
rc = obd_notify(obd->obd_observer, mdc_exp->exp_obd,
tgt->ltd_exp = mdc_exp;
lmv->desc.ld_active_tgt_count++;
- /*
+ /*
* Copy connect data, it may be used later.
*/
lmv->datas[tgt->ltd_idx] = *mdc_data;
if (!lmv->tgts)
goto out_local;
- /*
- * Only disconnect the underlying layers on the final disconnect.
+ /*
+ * Only disconnect the underlying layers on the final disconnect.
*/
lmv->refcount--;
if (lmv->refcount != 0)
{
struct obd_import *imp;
__u32 id;
-
+
/*
* XXX: To get nid we assume that underlying obd device is mdc.
*/
}
/**
- * This is _inode_ placement policy function (not name).
+ * This is _inode_ placement policy function (not name).
*/
static int lmv_placement_policy(struct obd_device *obd,
struct md_op_data *op_data,
ENTRY;
tgt = lmv_get_target(lmv, mds);
-
- /*
+
+ /*
* New seq alloc and FLD setup should be atomic. Otherwise we may find
* on server that seq in new allocated fid is not yet known.
*/
if (!tgt->ltd_active)
GOTO(out, rc = -ENODEV);
- /*
- * Asking underlaying tgt layer to allocate new fid.
+ /*
+ * Asking underlaying tgt layer to allocate new fid.
*/
rc = obd_fid_alloc(tgt->ltd_exp, fid, NULL);
if (rc > 0) {
LASSERT(fid_is_sane(fid));
- /*
- * Client switches to new sequence, setup FLD.
+ /*
+ * Client switches to new sequence, setup FLD.
*/
rc = fld_client_create(&lmv->lmv_fld, fid_seq(fid),
mds, NULL);
if (rc) {
- /*
+ /*
* Delete just allocated fid sequence in case
* of fail back.
*/
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- rc = md_setxattr(tgt->ltd_exp, fid, oc, valid, name, input,
+ rc = md_setxattr(tgt->ltd_exp, fid, oc, valid, name, input,
input_size, output_size, flags, suppgid,
request);
continue;
}
- /*
+ /*
* Skip master object.
*/
if (lu_fid_eq(&obj->lo_fid, &obj->lo_stripes[i].ls_fid))
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));
- /*
- * Time to update mea of parent fid.
+ /*
+ * Time to update mea of parent fid.
*/
rc = md_getattr(tgt->ltd_exp, fid, NULL, valid, mealen, &req);
if (rc) {
else if (rc)
RETURN(rc);
- CDEBUG(D_INODE, "CREATE '%*s' on "DFID" -> mds #"LPU64"\n",
+ CDEBUG(D_INODE, "CREATE '%*s' on "DFID" -> mds #"LPU64"\n",
op_data->op_namelen, op_data->op_name, PFID(&op_data->op_fid1),
op_data->op_mds);
OBD_FREE_PTR(op_data2);
if (rc != 0) {
- /*
- * Drop all taken locks.
+ /*
+ * Drop all taken locks.
*/
while (--i >= 0) {
if (lockh[i].cookie)
CDEBUG(D_INODE, "REMOTE_ENQUEUE '%s' on "DFID" -> "DFID"\n",
LL_IT2STR(it), PFID(&op_data->op_fid1), PFID(&body->fid1));
- /*
- * We got LOOKUP lock, but we really need attrs.
+ /*
+ * We got LOOKUP lock, but we really need attrs.
*/
pmode = it->d.lustre.it_lock_mode;
LASSERT(pmode != 0);
CDEBUG(D_INODE, "ENQUEUE '%s' on "DFID" -> mds #%d\n",
LL_IT2STR(it), PFID(&op_data->op_fid1), tgt->ltd_idx);
-
+
rc = md_enqueue(tgt->ltd_exp, einfo, it, op_data, lockh,
lmm, lmmsize, req, extra_lock_flags);
obj = lmv_object_find(obd, op_fid);
if (obj == NULL)
RETURN(-EALREADY);
-
+
policy.l_inodebits.bits = bits;
for (i = 0; i < obj->lo_objcount; i++) {
tgt = lmv_get_target(lmv, obj->lo_stripes[i].ls_mds);
if (op_tgt != tgt->ltd_idx) {
CDEBUG(D_INODE, "EARLY_CANCEL slave "DFID" -> mds #%d\n",
PFID(st_fid), tgt->ltd_idx);
- rc = md_cancel_unused(tgt->ltd_exp, st_fid, &policy,
+ rc = md_cancel_unused(tgt->ltd_exp, st_fid, &policy,
mode, LDLM_FL_ASYNC, NULL);
if (rc)
GOTO(out_put_obj, rc);
} else {
- CDEBUG(D_INODE,
+ CDEBUG(D_INODE,
"EARLY_CANCEL skip operation target %d on "DFID"\n",
op_tgt, PFID(st_fid));
/*
rc = md_cancel_unused(tgt->ltd_exp, fid, &policy,
mode, LDLM_FL_ASYNC, NULL);
} else {
- CDEBUG(D_INODE,
+ CDEBUG(D_INODE,
"EARLY_CANCEL skip operation target %d on "DFID"\n",
op_tgt, PFID(fid));
op_data->op_flags |= flag;
op_data->op_cap = cfs_curproc_cap_pack();
tgt = lmv_get_target(lmv, mds);
- /*
- * Cancel UPDATE lock on child (fid1).
+ /*
+ * Cancel UPDATE lock on child (fid1).
*/
op_data->op_flags |= MF_MDC_CANCEL_FID2;
rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
src_tgt = lmv_get_target(lmv, mds1);
tgt_tgt = lmv_get_target(lmv, mds2);
- /*
+ /*
* LOOKUP lock on src child (fid3) should also be cancelled for
- * src_tgt in mdc_rename.
+ * src_tgt in mdc_rename.
*/
op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
- /*
+ /*
* Cancel UPDATE locks on tgt parent (fid2), tgt_tgt is its
- * own target.
+ * own target.
*/
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
- LCK_EX, MDS_INODELOCK_UPDATE,
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ LCK_EX, MDS_INODELOCK_UPDATE,
MF_MDC_CANCEL_FID2);
- /*
+ /*
* Cancel LOOKUP locks on tgt child (fid4) for parent tgt_tgt.
*/
if (rc == 0) {
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
LCK_EX, MDS_INODELOCK_LOOKUP,
MF_MDC_CANCEL_FID4);
}
- /*
- * Cancel all the locks on tgt child (fid4).
+ /*
+ * Cancel all the locks on tgt child (fid4).
*/
if (rc == 0)
- rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
+ rc = lmv_early_cancel(exp, op_data, src_tgt->ltd_idx,
LCK_EX, MDS_INODELOCK_FULL,
MF_MDC_CANCEL_FID4);
if (rc == -ERESTART) {
LASSERT(*request != NULL);
- DEBUG_REQ(D_WARNING|D_RPCTRACE, *request,
+ DEBUG_REQ(D_WARNING|D_RPCTRACE, *request,
"Got -ERESTART during rename!\n");
ptlrpc_req_finished(*request);
*request = NULL;
/**
* Main purpose of LMV blocking ast is to remove split directory LMV
- * presentation object (struct lmv_object) attached to the lock being revoked.
+ * presentation object (struct lmv_object) attached to the lock being revoked.
*/
int lmv_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
void *data, int flag)
}
break;
case LDLM_CB_CANCELING:
- /*
+ /*
* Time to drop cached attrs for split directory object
*/
obj = lock->l_ast_data;
hash_adj += rank * seg_size;
CDEBUG(D_INODE, "Readpage hash adjustment: %x "LPX64" "
- LPX64"/%x -> "LPX64"/%x\n", rank, hash_adj,
+ LPX64"/%x -> "LPX64"/%x\n", rank, hash_adj,
offset, tgt0_idx, offset + hash_adj, tgt_idx);
offset = (offset + hash_adj) & MAX_HASH_SIZE;
op_data->op_fsgid = current->fsgid;
op_data->op_cap = cfs_curproc_cap_pack();
- /*
+ /*
* If child's fid is given, cancel unused locks for it if it is from
* another export than parent.
*
- * LOOKUP lock for child (fid3) should also be cancelled on parent
- * tgt_tgt in mdc_unlink().
+ * LOOKUP lock for child (fid3) should also be cancelled on parent
+ * tgt_tgt in mdc_unlink().
*/
op_data->op_flags |= MF_MDC_CANCEL_FID1 | MF_MDC_CANCEL_FID3;
- /*
- * Cancel FULL locks on child (fid3).
+ /*
+ * Cancel FULL locks on child (fid3).
*/
rc = lmv_early_cancel(exp, op_data, tgt->ltd_idx, LCK_EX,
MDS_INODELOCK_FULL, MF_MDC_CANCEL_FID3);
}
static int lmv_get_info(struct obd_export *exp, __u32 keylen,
- void *key, __u32 *vallen, void *val,
+ void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
{
struct obd_device *obd;
for (i = 0, tgts = lmv->tgts; i < lmv->desc.ld_tgt_count;
i++, tgts++) {
- /*
- * All tgts should be connected when this gets called.
+ /*
+ * All tgts should be connected when this gets called.
*/
if (!tgts || !tgts->ltd_exp) {
CERROR("target not setup?\n");
if (rc)
RETURN(rc);
- /*
+ /*
* Forwarding this request to first MDS, it should know LOV
- * desc.
+ * desc.
*/
rc = obd_get_info(lmv->tgts[0].ltd_exp, keylen, key,
vallen, val, NULL);
{
magic = le32_to_cpu(mea->mea_magic);
} else {
- /*
- * Old mea is not handled here.
+ /*
+ * Old mea is not handled here.
*/
CERROR("Old not supportable EA is found\n");
LBUG();
}
static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
- ldlm_policy_data_t *policy, ldlm_mode_t mode,
+ ldlm_policy_data_t *policy, ldlm_mode_t mode,
int flags, void *opaque)
{
struct obd_device *obd = exp->exp_obd;
CDEBUG(D_INODE, "Lock match for "DFID"\n", PFID(fid));
- /*
+ /*
* With CMD every object can have two locks in different namespaces:
* lookup lock in space of mds storing direntry and update/open lock in
* space of mds storing inode. Thus we check all targets, not only that
- * one fid was created in.
+ * one fid was created in.
*/
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
rc = md_lock_match(lmv->tgts[i].ltd_exp, flags, fid,
(char *)op_data->op_name,
op_data->op_namelen);
op_data->op_fid1 = obj->lo_stripes[sidx].ls_fid;
- tgt = lmv_get_target(lmv,
+ tgt = lmv_get_target(lmv,
obj->lo_stripes[sidx].ls_mds);
CDEBUG(D_INODE,
- "Choose slave dir ("DFID") -> mds #%d\n",
+ "Choose slave dir ("DFID") -> mds #%d\n",
PFID(&op_data->op_fid1), tgt->ltd_idx);
} else {
tgt = lmv_find_target(lmv, &op_data->op_fid1);
if (minfo->mi_it.it_op & IT_LOOKUP)
minfo->mi_it.it_op = IT_GETATTR;
}
-
+
if (IS_ERR(tgt))
RETURN(PTR_ERR(tgt));