static struct mdt_device *mdt_dev(struct lu_device *d);
static int mdt_regular_handle(struct ptlrpc_request *req);
static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info, __u32 flags);
+static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
+ struct getinfo_fid2path *fp);
static const struct lu_object_operations mdt_obj_ops;
/* This will trigger a watchdog timeout */
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_STATFS_LCW_SLEEP,
(MDT_SERVICE_WATCHDOG_FACTOR *
- at_get(&svc->srv_at_estimate) / 1000) + 1);
+ at_get(&svc->srv_at_estimate)) + 1);
rc = mdt_check_ucred(info);
if (rc)
CERROR("readlink failed: %d\n", rc);
rc = -EFAULT;
} else {
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
+ rc -= 2;
repbody->valid |= OBD_MD_LINKNAME;
repbody->eadatasize = rc;
/* NULL terminate */
relock:
ma = &info->mti_attr;
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout*2);
mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
/* Debugging code. */
res_id = &lock->l_resource->lr_name;
- LDLM_DEBUG(lock, "Returning lock to client\n");
+ LDLM_DEBUG(lock, "Returning lock to client");
LASSERTF(fid_res_name_eq(mdt_object_fid(child),
&lock->l_resource->lr_name),
"Lock res_id: %lu/%lu/%lu, Fid: "DFID".\n",
vallen = req_capsule_get_size(info->mti_pill, &RMF_SETINFO_VAL,
RCL_CLIENT);
+ /* Swab any part of val you need to here */
if (KEY_IS(KEY_READ_ONLY)) {
req->rq_status = 0;
lustre_msg_set_status(req->rq_repmsg, 0);
spin_unlock(&req->rq_export->exp_lock);
} else if (KEY_IS(KEY_CHANGELOG_CLEAR)) {
- if (lustre_msg_swabbed(req->rq_reqmsg)) {
- struct changelog_setinfo *cs =
- (struct changelog_setinfo *)val;
+ struct changelog_setinfo *cs =
+ (struct changelog_setinfo *)val;
+ if (vallen != sizeof(*cs)) {
+ CERROR("Bad changelog_clear setinfo size %d\n", vallen);
+ RETURN(-EINVAL);
+ }
+ if (ptlrpc_req_need_swab(req)) {
__swab64s(&cs->cs_recno);
__swab32s(&cs->cs_id);
}
GOTO(out_shrink, rc = err_serious(rc));
}
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_REINT_DELAY, 10);
+
/* for replay no cookkie / lmm need, because client have this already */
if (info->mti_spec.no_create == 1) {
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
int rc;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_QUOTACHECK_NET))
- RETURN(0);
-
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
if (oqctl == NULL)
RETURN(-EPROTO);
int id, rc;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_QUOTACTL_NET))
- RETURN(0);
-
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
if (oqctl == NULL)
RETURN(-EPROTO);
*
* \param info thread info object
* \param o mdt object
- * \param h mdt lock handle referencing regular and PDO locks
+ * \param lh mdt lock handle referencing regular and PDO locks
* \param decref force immediate lock releasing
*/
void mdt_object_unlock(struct mdt_thread_info *info, struct mdt_object *o,
* Checking for various OBD_FAIL_$PREF_$OPC_NET codes. _Do_ not try
* to put same checks into handlers like mdt_close(), mdt_reint(),
* etc., without talking to mdt authors first. Checking same thing
- * there again is useless and returning 0 error wihtout packing reply
+ * there again is useless and returning 0 error without packing reply
* is buggy! Handlers either pack reply or return error.
*
* We return 0 here and do not send any reply in order to emulate
}
/* If we're DISCONNECTing, the mdt_export_data is already freed */
- if (likely(rc == 0 && h->mh_opc != MDS_DISCONNECT))
+ if (likely(rc == 0 && req->rq_export && h->mh_opc != MDS_DISCONNECT))
target_committed_to_req(req);
if (unlikely((lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) &&
req_capsule_fini(info->mti_pill);
if (info->mti_object != NULL) {
+ /*
+ * freeing an object may lead to OSD level transaction, do not
+ * let it mess with MDT. bz19385.
+ */
+ info->mti_no_need_trans = 1;
mdt_object_put(info->mti_env, info->mti_object);
info->mti_object = NULL;
}
switch (lustre_msg_get_opc(msg)) {
case MDS_CONNECT:
case MDS_DISCONNECT:
+ case MDS_SET_INFO:
case OBD_PING:
case SEC_CTX_INIT:
case SEC_CTX_INIT_CONT:
case MDS_SYNC:
case MDS_GETXATTR:
case MDS_SETXATTR:
- case MDS_SET_INFO:
+ case MDS_GET_INFO:
case MDS_QUOTACHECK:
case MDS_QUOTACTL:
case QUOTA_DQACQ:
if (likely(rc == 0)) {
rc = mdt_recovery(info);
if (likely(rc == +1)) {
- switch (lustre_msg_get_opc(msg)) {
- case MDS_READPAGE:
- req->rq_bulk_read = 1;
- break;
- case MDS_WRITEPAGE:
- req->rq_bulk_write = 1;
- break;
- }
-
h = mdt_handler_find(lustre_msg_get_opc(msg),
supported);
if (likely(h != NULL)) {
new_lock->l_writers--;
}
- new_lock->l_export = class_export_get(req->rq_export);
+ new_lock->l_export = class_export_lock_get(req->rq_export);
new_lock->l_blocking_ast = lock->l_blocking_ast;
new_lock->l_completion_ast = lock->l_completion_ast;
new_lock->l_remote_handle = lock->l_remote_handle;
}
rep->lock_policy_res2 = clear_serious(rc);
- lhc->mlh_reg_lh.cookie = 0ull;
if (rc == -ENOTCONN || rc == -ENODEV ||
rc == -EOVERFLOW) { /**< if VBR failure then return error */
/*
* will detect this, then disconnect, reconnect the import
* immediately, instead of impacting the following the rpc.
*/
+ lhc->mlh_reg_lh.cookie = 0ull;
RETURN(rc);
} else {
/*
* FIXME: when open lock is finished, that should be
* checked here.
*/
- RETURN(ELDLM_LOCK_ABORTED);
+ if (lustre_handle_is_used(&lhc->mlh_reg_lh)) {
+ rep->lock_policy_res2 = 0;
+ rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ RETURN(rc);
+ } else {
+ lhc->mlh_reg_lh.cookie = 0ull;
+ RETURN(ELDLM_LOCK_ABORTED);
+ }
}
}
struct lu_device *d = &m->mdt_md_dev.md_lu_dev;
struct lu_site *ls = d->ld_site;
struct obd_device *obd = mdt2obd_dev(m);
- int waited = 0;
ENTRY;
target_recovery_fini(obd);
- /* At this point, obd exports might still be on the "obd_zombie_exports"
- * list, and obd_zombie_impexp_thread() is trying to destroy them.
- * We wait a little bit until all exports (except the self-export)
- * have been destroyed, because the whole mdt stack might be accessed
- * in mdt_destroy_export(). This will not be a long time, maybe one or
- * two seconds are enough. This is not a problem while umounting.
- *
- * The three references that should be remaining are the
- * obd_self_export and the attach and setup references.
- */
- while (atomic_read(&obd->obd_refcount) > 3) {
- cfs_schedule_timeout(CFS_TASK_UNINT, cfs_time_seconds(1));
- ++waited;
- if (waited > 5 && IS_PO2(waited))
- LCONSOLE_WARN("Waiting for obd_zombie_impexp_thread "
- "more than %d seconds to destroy all "
- "the exports. The current obd refcount ="
- " %d. Is it stuck there?\n",
- waited, atomic_read(&obd->obd_refcount));
- }
ping_evictor_stop();
mdt_stop_ptlrpc_service(m);
mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
mdt_obd_llog_cleanup(obd);
+ obd_exports_barrier(obd);
obd_zombie_barrier();
#ifdef HAVE_QUOTA_SUPPORT
next->md_ops->mdo_quota.mqo_cleanup(env, next);
m->mdt_identity_cache = NULL;
if (m->mdt_namespace != NULL) {
- ldlm_namespace_free(m->mdt_namespace, NULL, d->ld_obd->obd_force);
+ ldlm_namespace_free(m->mdt_namespace, NULL,
+ d->ld_obd->obd_force);
d->ld_obd->obd_namespace = m->mdt_namespace = NULL;
}
m->mdt_max_mdsize = MAX_MD_SIZE;
m->mdt_max_cookiesize = sizeof(struct llog_cookie);
+ m->mdt_som_conf = 0;
m->mdt_opts.mo_user_xattr = 0;
m->mdt_opts.mo_acl = 0;
}
static int mdt_object_init(const struct lu_env *env, struct lu_object *o,
- const struct lu_object_conf *_)
+ const struct lu_object_conf *unused)
{
struct mdt_device *d = mdt_dev(o->lo_dev);
struct lu_device *under;
if (!mdt->mdt_opts.mo_user_xattr)
data->ocd_connect_flags &= ~OBD_CONNECT_XATTR;
+ if (!mdt->mdt_som_conf)
+ data->ocd_connect_flags &= ~OBD_CONNECT_SOM;
+
spin_lock(&exp->exp_lock);
exp->exp_connect_flags = data->ocd_connect_flags;
spin_unlock(&exp->exp_lock);
return -EBADE;
}
+ if (mdt->mdt_som_conf &&
+ !(exp->exp_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ !(exp->exp_connect_flags & OBD_CONNECT_SOM)) {
+ CWARN("%s: MDS has SOM enabled, but client does not support "
+ "it\n", mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name);
+ return -EBADE;
+ }
+
return 0;
}
RETURN(rc);
}
+static int mdt_mfd_cleanup(struct obd_export *exp)
+{
+ struct mdt_export_data *med = &exp->exp_mdt_data;
+ struct obd_device *obd = exp->exp_obd;
+ struct mdt_device *mdt;
+ struct mdt_thread_info *info;
+ struct lu_env env;
+ CFS_LIST_HEAD(closing_list);
+ struct mdt_file_data *mfd, *n;
+ int rc = 0;
+ ENTRY;
+
+ spin_lock(&med->med_open_lock);
+ while (!list_empty(&med->med_open_head)) {
+ struct list_head *tmp = med->med_open_head.next;
+ mfd = list_entry(tmp, struct mdt_file_data, mfd_list);
+
+ /* Remove mfd handle so it can't be found again.
+ * We are consuming the mfd_list reference here. */
+ class_handle_unhash(&mfd->mfd_handle);
+ list_move_tail(&mfd->mfd_list, &closing_list);
+ }
+ spin_unlock(&med->med_open_lock);
+ mdt = mdt_dev(obd->obd_lu_dev);
+ LASSERT(mdt != NULL);
+
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc)
+ RETURN(rc);
+
+ info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
+ memset(info, 0, sizeof *info);
+ info->mti_env = &env;
+ info->mti_mdt = mdt;
+ info->mti_exp = exp;
+
+ if (!list_empty(&closing_list)) {
+ struct md_attr *ma = &info->mti_attr;
+ int lmm_size;
+ int cookie_size;
+
+ lmm_size = mdt->mdt_max_mdsize;
+ OBD_ALLOC(ma->ma_lmm, lmm_size);
+ if (ma->ma_lmm == NULL)
+ GOTO(out_lmm, rc = -ENOMEM);
+
+ cookie_size = mdt->mdt_max_cookiesize;
+ OBD_ALLOC(ma->ma_cookie, cookie_size);
+ if (ma->ma_cookie == NULL)
+ GOTO(out_cookie, rc = -ENOMEM);
+
+ /* Close any open files (which may also cause orphan unlinking). */
+ list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
+ list_del_init(&mfd->mfd_list);
+ memset(&ma->ma_attr, 0, sizeof(ma->ma_attr));
+ ma->ma_lmm_size = lmm_size;
+ ma->ma_cookie_size = cookie_size;
+ ma->ma_need = 0;
+ /* It is not for setattr, just tell MDD to send
+ * DESTROY RPC to OSS if needed */
+ ma->ma_attr_flags = MDS_CLOSE_CLEANUP;
+ ma->ma_valid = MA_FLAGS;
+ mdt_mfd_close(info, mfd);
+ }
+ info->mti_mdt = NULL;
+ OBD_FREE(ma->ma_cookie, cookie_size);
+ ma->ma_cookie = NULL;
+out_cookie:
+ OBD_FREE(ma->ma_lmm, lmm_size);
+ ma->ma_lmm = NULL;
+ }
+out_lmm:
+ lu_env_fini(&env);
+
+ RETURN(rc);
+}
static int mdt_obd_disconnect(struct obd_export *exp)
{
spin_unlock(&svc->srv_lock);
}
spin_unlock(&exp->exp_lock);
-
+ rc = mdt_mfd_cleanup(exp);
class_export_put(exp);
RETURN(rc);
}
struct mdt_device *mdt;
struct mdt_thread_info *info;
struct lu_env env;
- struct md_attr *ma;
- int lmm_size;
- int cookie_size;
- CFS_LIST_HEAD(closing_list);
- struct mdt_file_data *mfd, *n;
int rc = 0;
ENTRY;
target_destroy_export(export);
ldlm_destroy_export(export);
+ LASSERT(list_empty(&export->exp_outstanding_replies));
+ LASSERT(list_empty(&med->med_open_head));
if (obd_uuid_equals(&export->exp_client_uuid, &obd->obd_uuid))
RETURN(0);
LASSERT(info != NULL);
memset(info, 0, sizeof *info);
info->mti_env = &env;
- info->mti_mdt = mdt;
info->mti_exp = export;
-
- ma = &info->mti_attr;
- lmm_size = ma->ma_lmm_size = mdt->mdt_max_mdsize;
- cookie_size = ma->ma_cookie_size = mdt->mdt_max_cookiesize;
- OBD_ALLOC(ma->ma_lmm, lmm_size);
- OBD_ALLOC(ma->ma_cookie, cookie_size);
-
- if (ma->ma_lmm == NULL || ma->ma_cookie == NULL)
- GOTO(out, rc = -ENOMEM);
- ma->ma_need = MA_LOV | MA_COOKIE;
- ma->ma_valid = 0;
- /* Close any open files (which may also cause orphan unlinking). */
- spin_lock(&med->med_open_lock);
- while (!list_empty(&med->med_open_head)) {
- struct list_head *tmp = med->med_open_head.next;
- mfd = list_entry(tmp, struct mdt_file_data, mfd_list);
-
- /* Remove mfd handle so it can't be found again.
- * We are consuming the mfd_list reference here. */
- class_handle_unhash(&mfd->mfd_handle);
- list_move_tail(&mfd->mfd_list, &closing_list);
- }
- spin_unlock(&med->med_open_lock);
-
- list_for_each_entry_safe(mfd, n, &closing_list, mfd_list) {
- list_del_init(&mfd->mfd_list);
- mdt_mfd_close(info, mfd);
- /* TODO: if we close the unlinked file,
- * we need to remove its objects from OST */
- memset(&ma->ma_attr, 0, sizeof(ma->ma_attr));
- spin_lock(&med->med_open_lock);
- ma->ma_lmm_size = lmm_size;
- ma->ma_cookie_size = cookie_size;
- ma->ma_need = MA_LOV | MA_COOKIE;
- ma->ma_valid = 0;
- spin_unlock(&med->med_open_lock);
- }
-
info->mti_mdt = NULL;
mdt_client_del(&env, mdt);
- EXIT;
-out:
- if (lmm_size) {
- OBD_FREE(ma->ma_lmm, lmm_size);
- ma->ma_lmm = NULL;
- }
- if (cookie_size) {
- OBD_FREE(ma->ma_cookie, cookie_size);
- ma->ma_cookie = NULL;
- }
lu_env_fini(&env);
-
- return rc;
+ RETURN(rc);
}
static void mdt_allow_cli(struct mdt_device *m, unsigned int flag)
}
static int mdt_upcall(const struct lu_env *env, struct md_device *md,
- enum md_upcall_event ev)
+ enum md_upcall_event ev, void *data)
{
struct mdt_device *m = mdt_dev(&md->md_lu_dev);
struct md_device *next = m->mdt_child;
CDEBUG(D_INFO, "get max mdsize %d max cookiesize %d\n",
m->mdt_max_mdsize, m->mdt_max_cookiesize);
mdt_allow_cli(m, CONFIG_SYNC);
+ if (data)
+ (*(__u64 *)data) = m->mdt_mount_count;
break;
case MD_NO_TRANS:
mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
break;
#ifdef HAVE_QUOTA_SUPPORT
case MD_LOV_QUOTA:
- if (md->md_lu_dev.ld_obd->obd_recovering == 0)
+ if (md->md_lu_dev.ld_obd->obd_recovering == 0 &&
+ likely(md->md_lu_dev.ld_obd->obd_stopping == 0))
next->md_ops->mdo_quota.mqo_recovery(env, next);
break;
#endif
RETURN(0);
}
-static int mdt_ioc_fid2path(struct lu_env *env, struct mdt_device *mdt,
- struct obd_ioctl_data *data)
+static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
+ void *val, int vallen)
{
- struct lu_context ioctl_session;
- struct mdt_object *obj;
- struct lu_fid *fid;
- char *path = NULL;
- __u64 recno;
- int pathlen = data->ioc_plen1;
- int linkno;
- int rc;
- ENTRY;
+ struct mdt_device *mdt = mdt_dev(info->mti_exp->exp_obd->obd_lu_dev);
+ struct getinfo_fid2path *fpout, *fpin;
+ int rc = 0;
+ fpin = key + size_round(sizeof(KEY_FID2PATH));
+ fpout = val;
- fid = (struct lu_fid *)data->ioc_inlbuf1;
- memcpy(&recno, data->ioc_inlbuf2, sizeof(recno));
- memcpy(&linkno, data->ioc_inlbuf3, sizeof(linkno));
- CDEBUG(D_IOCTL, "path get "DFID" from "LPU64" #%d\n",
- PFID(fid), recno, linkno);
+ if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ lustre_swab_fid2path(fpin);
- if (!fid_is_sane(fid))
+ memcpy(fpout, fpin, sizeof(*fpin));
+ if (fpout->gf_pathlen != vallen - sizeof(*fpin))
RETURN(-EINVAL);
- if (pathlen < 3)
- RETURN(-EOVERFLOW);
+ rc = mdt_fid2path(info->mti_env, mdt, fpout);
+ RETURN(rc);
+}
- rc = lu_context_init(&ioctl_session, LCT_SESSION);
- if (rc)
- RETURN(rc);
- ioctl_session.lc_thread = (struct ptlrpc_thread *)cfs_current();
- lu_context_enter(&ioctl_session);
- env->le_ses = &ioctl_session;
+static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
+ struct getinfo_fid2path *fp)
+{
+ struct mdt_object *obj;
+ int rc;
+ ENTRY;
+
+ CDEBUG(D_IOCTL, "path get "DFID" from "LPU64" #%d\n",
+ PFID(&fp->gf_fid), fp->gf_recno, fp->gf_linkno);
- OBD_ALLOC(path, pathlen);
- if (path == NULL)
- GOTO(out_context, rc = -ENOMEM);
+ if (!fid_is_sane(&fp->gf_fid))
+ RETURN(-EINVAL);
- obj = mdt_object_find(env, mdt, fid);
+ obj = mdt_object_find(env, mdt, &fp->gf_fid);
if (obj == NULL || IS_ERR(obj)) {
- CDEBUG(D_IOCTL, "no object "DFID": %ld\n", PFID(fid),
+ CDEBUG(D_IOCTL, "no object "DFID": %ld\n",PFID(&fp->gf_fid),
PTR_ERR(obj));
- GOTO(out_free, rc = -EINVAL);
+ RETURN(-EINVAL);
}
rc = lu_object_exists(&obj->mot_obj.mo_lu);
else
rc = -ENOENT;
mdt_object_put(env, obj);
- CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n", PFID(fid),
- rc);
- GOTO(out_free, rc);
+ CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n",
+ PFID(&fp->gf_fid), rc);
+ RETURN(rc);
}
- rc = mo_path(env, md_object_next(&obj->mot_obj), path, pathlen, &recno,
- &linkno);
+ rc = mo_path(env, md_object_next(&obj->mot_obj), fp->gf_path,
+ fp->gf_pathlen, &fp->gf_recno, &fp->gf_linkno);
mdt_object_put(env, obj);
- if (rc)
- GOTO(out_free, rc);
- if (copy_to_user(data->ioc_pbuf1, path, pathlen))
- rc = -EFAULT;
+ RETURN(rc);
+}
+
+static int mdt_get_info(struct mdt_thread_info *info)
+{
+ struct ptlrpc_request *req = mdt_info_req(info);
+ char *key;
+ int keylen;
+ __u32 *vallen;
+ void *valout;
+ int rc;
+ ENTRY;
- memcpy(data->ioc_inlbuf2, &recno, sizeof(recno));
- memcpy(data->ioc_inlbuf3, &linkno, sizeof(linkno));
+ key = req_capsule_client_get(info->mti_pill, &RMF_GETINFO_KEY);
+ if (key == NULL) {
+ CDEBUG(D_IOCTL, "No GETINFO key");
+ RETURN(-EFAULT);
+ }
+ keylen = req_capsule_get_size(info->mti_pill, &RMF_GETINFO_KEY,
+ RCL_CLIENT);
- EXIT;
-out_free:
- OBD_FREE(path, pathlen);
-out_context:
- lu_context_exit(&ioctl_session);
- lu_context_fini(&ioctl_session);
- return rc;
+ vallen = req_capsule_client_get(info->mti_pill, &RMF_GETINFO_VALLEN);
+ if (vallen == NULL) {
+ CDEBUG(D_IOCTL, "Unable to get RMF_GETINFO_VALLEN buffer");
+ RETURN(-EFAULT);
+ }
+
+ req_capsule_set_size(info->mti_pill, &RMF_GETINFO_VAL, RCL_SERVER,
+ *vallen);
+ rc = req_capsule_server_pack(info->mti_pill);
+ valout = req_capsule_server_get(info->mti_pill, &RMF_GETINFO_VAL);
+ if (valout == NULL) {
+ CDEBUG(D_IOCTL, "Unable to get get-info RPC out buffer");
+ RETURN(-EFAULT);
+ }
+
+ if (KEY_IS(KEY_FID2PATH))
+ rc = mdt_rpc_fid2path(info, key, valout, *vallen);
+ else
+ rc = -EINVAL;
+
+ lustre_msg_set_status(req->rq_repmsg, rc);
+
+ RETURN(rc);
}
/* Pass the ioc down */
RETURN(rc);
}
+static int mdt_ioc_version_get(struct mdt_thread_info *mti, void *karg)
+{
+ struct obd_ioctl_data *data = karg;
+ struct lu_fid *fid = (struct lu_fid *)data->ioc_inlbuf1;
+ __u64 version;
+ struct mdt_object *obj;
+ struct mdt_lock_handle *lh;
+ int rc;
+ ENTRY;
+ CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
+ if (!fid_is_sane(fid))
+ RETURN(-EINVAL);
+
+ lh = &mti->mti_lh[MDT_LH_PARENT];
+ mdt_lock_reg_init(lh, LCK_CR);
+
+ obj = mdt_object_find_lock(mti, fid, lh, MDS_INODELOCK_UPDATE);
+ if (IS_ERR(obj))
+ RETURN(PTR_ERR(obj));
+
+ rc = mdt_object_exists(obj);
+ if (rc < 0) {
+ rc = -EREMOTE;
+ /**
+ * before calling version get the correct MDS should be
+ * fid, this is error to find remote object here
+ */
+ CERROR("nonlocal object "DFID"\n", PFID(fid));
+ } else if (rc == 0) {
+ rc = -ENOENT;
+ CDEBUG(D_IOCTL, "no such object: "DFID"\n", PFID(fid));
+ } else {
+ version = mo_version_get(mti->mti_env, mdt_object_child(obj));
+ if (version < 0) {
+ rc = (int)version;
+ } else {
+ *(__u64 *)data->ioc_inlbuf2 = version;
+ rc = 0;
+ }
+ }
+ mdt_object_unlock_put(mti, obj, lh, 1);
+ RETURN(rc);
+}
+
/* ioctls on obd dev */
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg)
target_stop_recovery_thread(obd);
rc = 0;
break;
- case OBD_IOC_FID2PATH:
- rc = mdt_ioc_fid2path(&env, mdt, karg);
- break;
case OBD_IOC_CHANGELOG_REG:
case OBD_IOC_CHANGELOG_DEREG:
case OBD_IOC_CHANGELOG_CLEAR:
rc = mdt_ioc_child(&env, mdt, cmd, len, karg);
break;
+ case OBD_IOC_GET_OBJ_VERSION: {
+ struct mdt_thread_info *mti;
+ mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ memset(mti, 0, sizeof *mti);
+ mti->mti_env = &env;
+ mti->mti_mdt = mdt;
+ mti->mti_exp = exp;
+
+ rc = mdt_ioc_version_get(mti, karg);
+ break;
+ }
default:
CERROR("Not supported cmd = %d for device %s\n",
cmd, obd->obd_name);
rc = ld->ld_ops->ldo_recovery_complete(env, ld);
#ifdef HAVE_QUOTA_SUPPORT
- next->md_ops->mdo_quota.mqo_recovery(env, next);
+ if (likely(obd->obd_stopping == 0))
+ next->md_ops->mdo_quota.mqo_recovery(env, next);
#endif
RETURN(rc);
}
return rc;
}
+/**
+ * Send a copytool req to a client
+ * Note this sends a request RPC from a server (MDT) to a client (MDC),
+ * backwards of normal comms.
+ */
+int mdt_hsm_copytool_send(struct obd_export *exp)
+{
+ struct lnl_hdr *lh;
+ struct hsm_action_list *hal;
+ struct hsm_action_item *hai;
+ int rc, len;
+ ENTRY;
+
+ CWARN("%s: writing to mdc at %s\n", exp->exp_obd->obd_name,
+ libcfs_nid2str(exp->exp_connection->c_peer.nid));
+
+ len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
+ /* for mockup below */ 2 * size_round(sizeof(*hai));
+ OBD_ALLOC(lh, len);
+ if (lh == NULL)
+ RETURN(-ENOMEM);
+
+ lh->lnl_magic = LNL_MAGIC;
+ lh->lnl_transport = LNL_TRANSPORT_HSM;
+ lh->lnl_msgtype = HMT_ACTION_LIST;
+ lh->lnl_msglen = len;
+
+ hal = (struct hsm_action_list *)(lh + 1);
+ hal->hal_version = HAL_VERSION;
+ hal->hal_archive_num = 1;
+ obd_uuid2fsname(hal->hal_fsname, exp->exp_obd->obd_name,
+ MTI_NAME_MAXLEN);
+
+ /* mock up an action list */
+ hal->hal_count = 2;
+ hai = hai_zero(hal);
+ hai->hai_action = HSMA_ARCHIVE;
+ hai->hai_fid.f_oid = 0xA00A;
+ hai->hai_len = sizeof(*hai);
+ hai = hai_next(hai);
+ hai->hai_action = HSMA_RESTORE;
+ hai->hai_fid.f_oid = 0xB00B;
+ hai->hai_len = sizeof(*hai);
+
+ /* Uses the ldlm reverse import; this rpc will be seen by
+ the ldlm_callback_handler */
+ rc = target_set_info_rpc(exp->exp_imp_reverse, LDLM_SET_INFO,
+ sizeof(KEY_HSM_COPYTOOL_SEND),
+ KEY_HSM_COPYTOOL_SEND,
+ len, lh, NULL);
+
+ OBD_FREE(lh, len);
+
+ RETURN(rc);
+}
+
static struct obd_ops mdt_obd_device_ops = {
.o_owner = THIS_MODULE,
.o_set_info_async = mdt_obd_set_info_async,
}
/**
- * Enable/disable COS.
+ * Enable/disable COS (Commit On Sharing).
*
* Set/Clear the COS flag in mdt options.
*
}
/**
- * Check COS status.
+ * Check COS (Commit On Sharing) status.
*
- * Return COS flag status/
+ * Return COS flag status.
*
* \param mdt mdt device
*/
static struct mdt_handler mdt_mds_ops[] = {
DEF_MDT_HNDL_F(0, CONNECT, mdt_connect),
DEF_MDT_HNDL_F(0, DISCONNECT, mdt_disconnect),
-DEF_MDT_HNDL_F(0, SET_INFO, mdt_set_info),
+DEF_MDT_HNDL (0, SET_INFO, mdt_set_info,
+ &RQF_OBD_SET_INFO),
+DEF_MDT_HNDL_F(0, GET_INFO, mdt_get_info),
DEF_MDT_HNDL_F(0 |HABEO_REFERO, GETSTATUS, mdt_getstatus),
DEF_MDT_HNDL_F(HABEO_CORPUS, GETATTR, mdt_getattr),
DEF_MDT_HNDL_F(HABEO_CORPUS|HABEO_REFERO, GETATTR_NAME, mdt_getattr_name),
git://git.whamcloud.com / fs / lustre-release.git / blobdiff