#include <lustre_acl.h>
#include <obd_class.h>
#include <lustre_fid.h>
-#include <md_object.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
#include <lustre_log.h>
}
}
+static inline int mdc_queue_wait(struct ptlrpc_request *req)
+{
+ struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
+ int rc;
+
+ /* mdc_enter_request() ensures that this client has no more
+ * than cl_max_rpcs_in_flight RPCs simultaneously inf light
+ * against an MDT. */
+ rc = mdc_enter_request(cli);
+ if (rc != 0)
+ return rc;
+
+ rc = ptlrpc_queue_wait(req);
+ mdc_exit_request(cli);
+
+ return rc;
+}
+
/* Helper that implements most of mdc_getstatus and signal_completed_replay. */
/* XXX this should become mdc_get_info("key"), sending MDS_GET_INFO RPC */
static int send_getstatus(struct obd_import *imp, struct lu_fid *rootfid,
req->rq_request_portal = MDS_READPAGE_PORTAL;
ptlrpc_at_set_req_timeout(req);
- desc = ptlrpc_prep_bulk_imp(req, 1, BULK_GET_SOURCE, MDS_BULK_PORTAL);
- if (desc == NULL)
- GOTO(out, rc = -ENOMEM);
+ desc = ptlrpc_prep_bulk_imp(req, 1, 1,BULK_GET_SOURCE, MDS_BULK_PORTAL);
+ if (desc == NULL)
+ GOTO(out, rc = -ENOMEM);
/* NB req now owns desc and will free it when it gets freed. */
ptlrpc_prep_bulk_page(desc, (struct page *)page, 0, offset);
req->rq_request_portal = MDS_READPAGE_PORTAL;
ptlrpc_at_set_req_timeout(req);
- desc = ptlrpc_prep_bulk_imp(req, op_data->op_npages, BULK_PUT_SINK,
- MDS_BULK_PORTAL);
+ desc = ptlrpc_prep_bulk_imp(req, op_data->op_npages, 1, BULK_PUT_SINK,
+ MDS_BULK_PORTAL);
if (desc == NULL) {
ptlrpc_request_free(req);
RETURN(-ENOMEM);
/* Val is struct getinfo_fid2path result plus path */
vallen = sizeof(*gf) + gf->gf_pathlen;
- rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf, NULL);
- if (rc)
- GOTO(out, rc);
+ rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf, NULL);
+ if (rc != 0 && rc != -EREMOTE)
+ GOTO(out, rc);
if (vallen <= sizeof(*gf))
GOTO(out, rc = -EPROTO);
return rc;
}
+static int mdc_ioc_hsm_progress(struct obd_export *exp,
+ struct hsm_progress_kernel *hpk)
+{
+ struct obd_import *imp = class_exp2cliimp(exp);
+ struct hsm_progress_kernel *req_hpk;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_HSM_PROGRESS,
+ LUSTRE_MDS_VERSION, MDS_HSM_PROGRESS);
+ if (req == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, 0, 0);
+
+ /* Copy hsm_progress struct */
+ req_hpk = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_PROGRESS);
+ if (req_hpk == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ *req_hpk = *hpk;
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ GOTO(out, rc);
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_ct_register(struct obd_import *imp, __u32 archives)
+{
+ __u32 *archive_mask;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_HSM_CT_REGISTER,
+ LUSTRE_MDS_VERSION,
+ MDS_HSM_CT_REGISTER);
+ if (req == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, 0, 0);
+
+ /* Copy hsm_progress struct */
+ archive_mask = req_capsule_client_get(&req->rq_pill,
+ &RMF_MDS_HSM_ARCHIVE);
+ if (archive_mask == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ *archive_mask = archives;
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ GOTO(out, rc);
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_current_action(struct obd_export *exp,
+ struct md_op_data *op_data)
+{
+ struct hsm_current_action *hca = op_data->op_data;
+ struct hsm_current_action *req_hca;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_HSM_ACTION);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_ACTION);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
+
+ req_hca = req_capsule_server_get(&req->rq_pill,
+ &RMF_MDS_HSM_CURRENT_ACTION);
+ if (req_hca == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ *hca = *req_hca;
+
+ EXIT;
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_ct_unregister(struct obd_import *imp)
+{
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_HSM_CT_UNREGISTER,
+ LUSTRE_MDS_VERSION,
+ MDS_HSM_CT_UNREGISTER);
+ if (req == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, 0, 0);
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ GOTO(out, rc);
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_state_get(struct obd_export *exp,
+ struct md_op_data *op_data)
+{
+ struct hsm_user_state *hus = op_data->op_data;
+ struct hsm_user_state *req_hus;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_HSM_STATE_GET);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_GET);
+ if (rc != 0) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
+
+ req_hus = req_capsule_server_get(&req->rq_pill, &RMF_HSM_USER_STATE);
+ if (req_hus == NULL)
+ GOTO(out, rc = -EPROTO);
+
+ *hus = *req_hus;
+
+ EXIT;
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_state_set(struct obd_export *exp,
+ struct md_op_data *op_data)
+{
+ struct hsm_state_set *hss = op_data->op_data;
+ struct hsm_state_set *req_hss;
+ struct ptlrpc_request *req;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_HSM_STATE_SET);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_SET);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
+ OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+
+ /* Copy states */
+ req_hss = req_capsule_client_get(&req->rq_pill, &RMF_HSM_STATE_SET);
+ if (req_hss == NULL)
+ GOTO(out, rc = -EPROTO);
+ *req_hss = *hss;
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ GOTO(out, rc);
+
+ EXIT;
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
+static int mdc_ioc_hsm_request(struct obd_export *exp,
+ struct hsm_user_request *hur)
+{
+ struct obd_import *imp = class_exp2cliimp(exp);
+ struct ptlrpc_request *req;
+ struct hsm_request *req_hr;
+ struct hsm_user_item *req_hui;
+ char *req_opaque;
+ int rc;
+ ENTRY;
+
+ req = ptlrpc_request_alloc(imp, &RQF_MDS_HSM_REQUEST);
+ if (req == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ req_capsule_set_size(&req->rq_pill, &RMF_MDS_HSM_USER_ITEM, RCL_CLIENT,
+ hur->hur_request.hr_itemcount
+ * sizeof(struct hsm_user_item));
+ req_capsule_set_size(&req->rq_pill, &RMF_GENERIC_DATA, RCL_CLIENT,
+ hur->hur_request.hr_data_len);
+
+ rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_REQUEST);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, 0, 0);
+
+ /* Copy hsm_request struct */
+ req_hr = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_REQUEST);
+ if (req_hr == NULL)
+ GOTO(out, rc = -EPROTO);
+ *req_hr = hur->hur_request;
+
+ /* Copy hsm_user_item structs */
+ req_hui = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_USER_ITEM);
+ if (req_hui == NULL)
+ GOTO(out, rc = -EPROTO);
+ memcpy(req_hui, hur->hur_user_item,
+ hur->hur_request.hr_itemcount * sizeof(struct hsm_user_item));
+
+ /* Copy opaque field */
+ req_opaque = req_capsule_client_get(&req->rq_pill, &RMF_GENERIC_DATA);
+ if (req_opaque == NULL)
+ GOTO(out, rc = -EPROTO);
+ memcpy(req_opaque, hur_data(hur), hur->hur_request.hr_data_len);
+
+ ptlrpc_request_set_replen(req);
+
+ rc = mdc_queue_wait(req);
+ GOTO(out, rc);
+
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
static struct kuc_hdr *changelog_kuc_hdr(char *buf, int len, int flags)
{
struct kuc_hdr *lh = (struct kuc_hdr *)buf;
#define D_CHANGELOG 0
struct changelog_show {
- __u64 cs_startrec;
- __u32 cs_flags;
- cfs_file_t *cs_fp;
- char *cs_buf;
- struct obd_device *cs_obd;
+ __u64 cs_startrec;
+ __u32 cs_flags;
+ struct file *cs_fp;
+ char *cs_buf;
+ struct obd_device *cs_obd;
};
static int changelog_show_cb(const struct lu_env *env, struct llog_handle *llh,
}
out:
- cfs_put_file(cs->cs_fp);
- if (llh)
+ fput(cs->cs_fp);
+ if (llh)
llog_cat_close(NULL, llh);
if (ctxt)
llog_ctxt_put(ctxt);
if (!cs)
return -ENOMEM;
- cs->cs_obd = obd;
- cs->cs_startrec = icc->icc_recno;
- /* matching cfs_put_file in mdc_changelog_send_thread */
- cs->cs_fp = cfs_get_fd(icc->icc_id);
- cs->cs_flags = icc->icc_flags;
+ cs->cs_obd = obd;
+ cs->cs_startrec = icc->icc_recno;
+ /* matching fput in mdc_changelog_send_thread */
+ cs->cs_fp = fget(icc->icc_id);
+ cs->cs_flags = icc->icc_flags;
/* New thread because we should return to user app before
writing into our pipe */
RETURN(rc);
}
+static int mdc_ioc_swap_layouts(struct obd_export *exp,
+ struct md_op_data *op_data)
+{
+ CFS_LIST_HEAD(cancels);
+ struct ptlrpc_request *req;
+ int rc, count;
+ struct mdc_swap_layouts *msl, *payload;
+ ENTRY;
+
+ msl = op_data->op_data;
+
+ /* When the MDT will get the MDS_SWAP_LAYOUTS RPC the
+ * first thing it will do is to cancel the 2 layout
+ * locks hold by this client.
+ * So the client must cancel its layout locks on the 2 fids
+ * with the request RPC to avoid extra RPC round trips
+ */
+ count = mdc_resource_get_unused(exp, &op_data->op_fid1, &cancels,
+ LCK_CR, MDS_INODELOCK_LAYOUT);
+ count += mdc_resource_get_unused(exp, &op_data->op_fid2, &cancels,
+ LCK_CR, MDS_INODELOCK_LAYOUT);
+
+ req = ptlrpc_request_alloc(class_exp2cliimp(exp),
+ &RQF_MDS_SWAP_LAYOUTS);
+ if (req == NULL) {
+ ldlm_lock_list_put(&cancels, l_bl_ast, count);
+ RETURN(-ENOMEM);
+ }
+
+ mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
+ mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa2);
+
+ rc = mdc_prep_elc_req(exp, req, MDS_SWAP_LAYOUTS, &cancels, count);
+ if (rc) {
+ ptlrpc_request_free(req);
+ RETURN(rc);
+ }
+
+ mdc_swap_layouts_pack(req, op_data);
+
+ payload = req_capsule_client_get(&req->rq_pill, &RMF_SWAP_LAYOUTS);
+ LASSERT(payload);
+
+ *payload = *msl;
+
+ ptlrpc_request_set_replen(req);
+
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
+ EXIT;
+
+out:
+ ptlrpc_req_finished(req);
+ return rc;
+}
+
static int mdc_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg)
{
return -EINVAL;
}
switch (cmd) {
- case LL_IOC_HSM_CT_START:
- rc = mdc_ioc_hsm_ct_start(exp, karg);
- GOTO(out, rc);
case OBD_IOC_CHANGELOG_SEND:
rc = mdc_ioc_changelog_send(obd, karg);
GOTO(out, rc);
NULL);
GOTO(out, rc);
}
- case OBD_IOC_FID2PATH: {
- rc = mdc_ioc_fid2path(exp, karg);
- GOTO(out, rc);
- }
+ case OBD_IOC_FID2PATH:
+ rc = mdc_ioc_fid2path(exp, karg);
+ GOTO(out, rc);
+ case LL_IOC_HSM_CT_START:
+ rc = mdc_ioc_hsm_ct_start(exp, karg);
+ GOTO(out, rc);
+ case LL_IOC_HSM_PROGRESS:
+ rc = mdc_ioc_hsm_progress(exp, karg);
+ GOTO(out, rc);
+ case LL_IOC_HSM_STATE_GET:
+ rc = mdc_ioc_hsm_state_get(exp, karg);
+ GOTO(out, rc);
+ case LL_IOC_HSM_STATE_SET:
+ rc = mdc_ioc_hsm_state_set(exp, karg);
+ case LL_IOC_HSM_ACTION:
+ rc = mdc_ioc_hsm_current_action(exp, karg);
+ GOTO(out, rc);
+ case LL_IOC_HSM_REQUEST:
+ rc = mdc_ioc_hsm_request(exp, karg);
+ GOTO(out, rc);
case OBD_IOC_CLIENT_RECOVER:
rc = ptlrpc_recover_import(imp, data->ioc_inlbuf1, 0);
if (rc < 0)
OBD_FREE_PTR(oqctl);
break;
}
- case LL_IOC_GET_CONNECT_FLAGS: {
- if (cfs_copy_to_user(uarg, &exp->exp_connect_flags,
- sizeof(__u64)))
- GOTO(out, rc = -EFAULT);
- else
- GOTO(out, rc = 0);
- }
+ case LL_IOC_GET_CONNECT_FLAGS: {
+ if (cfs_copy_to_user(uarg,
+ exp_connect_flags_ptr(exp),
+ sizeof(__u64)))
+ GOTO(out, rc = -EFAULT);
+ else
+ GOTO(out, rc = 0);
+ }
+ case LL_IOC_LOV_SWAP_LAYOUTS: {
+ rc = mdc_ioc_swap_layouts(exp, karg);
+ break;
+ }
default:
CERROR("mdc_ioctl(): unrecognised ioctl %#x\n", cmd);
GOTO(out, rc = -ENOTTY);
RCL_SERVER, vallen);
ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc == 0) {
- tmp = req_capsule_server_get(&req->rq_pill, &RMF_GETINFO_VAL);
- memcpy(val, tmp, vallen);
- if (ptlrpc_rep_need_swab(req)) {
- if (KEY_IS(KEY_FID2PATH)) {
- lustre_swab_fid2path(val);
- }
- }
- }
- ptlrpc_req_finished(req);
+ rc = ptlrpc_queue_wait(req);
+ /* -EREMOTE means the get_info result is partial, and it needs to
+ * continue on another MDT, see fid2path part in lmv_iocontrol */
+ if (rc == 0 || rc == -EREMOTE) {
+ tmp = req_capsule_server_get(&req->rq_pill, &RMF_GETINFO_VAL);
+ memcpy(val, tmp, vallen);
+ if (ptlrpc_rep_need_swab(req)) {
+ if (KEY_IS(KEY_FID2PATH))
+ lustre_swab_fid2path(val);
+ }
+ }
+ ptlrpc_req_finished(req);
- RETURN(rc);
+ RETURN(rc);
}
static void lustre_swab_hai(struct hsm_action_item *h)
{
- __swab32s(&h->hai_len);
- __swab32s(&h->hai_action);
- lustre_swab_lu_fid(&h->hai_fid);
- __swab64s(&h->hai_cookie);
- __swab64s(&h->hai_extent.offset);
- __swab64s(&h->hai_extent.length);
- __swab64s(&h->hai_gid);
+ __swab32s(&h->hai_len);
+ __swab32s(&h->hai_action);
+ lustre_swab_lu_fid(&h->hai_fid);
+ lustre_swab_lu_fid(&h->hai_dfid);
+ __swab64s(&h->hai_cookie);
+ __swab64s(&h->hai_extent.offset);
+ __swab64s(&h->hai_extent.length);
+ __swab64s(&h->hai_gid);
}
static void lustre_swab_hal(struct hsm_action_list *h)
{
- struct hsm_action_item *hai;
- int i;
-
- __swab32s(&h->hal_version);
- __swab32s(&h->hal_count);
- __swab32s(&h->hal_archive_num);
- hai = hai_zero(h);
- for (i = 0; i < h->hal_count; i++) {
- lustre_swab_hai(hai);
- hai = hai_next(hai);
- }
+ struct hsm_action_item *hai;
+ int i;
+
+ __swab32s(&h->hal_version);
+ __swab32s(&h->hal_count);
+ __swab32s(&h->hal_archive_id);
+ __swab64s(&h->hal_flags);
+ hai = hai_zero(h);
+ for (i = 0; i < h->hal_count; i++) {
+ lustre_swab_hai(hai);
+ hai = hai_next(hai);
+ }
}
static void lustre_swab_kuch(struct kuc_hdr *l)
}
static int mdc_ioc_hsm_ct_start(struct obd_export *exp,
- struct lustre_kernelcomm *lk)
+ struct lustre_kernelcomm *lk)
{
- int rc = 0;
+ struct obd_import *imp = class_exp2cliimp(exp);
+ __u32 archive = lk->lk_data;
+ int rc = 0;
- if (lk->lk_group != KUC_GRP_HSM) {
- CERROR("Bad copytool group %d\n", lk->lk_group);
- return -EINVAL;
- }
-
- CDEBUG(D_HSM, "CT start r%d w%d u%d g%d f%#x\n", lk->lk_rfd, lk->lk_wfd,
- lk->lk_uid, lk->lk_group, lk->lk_flags);
-
- if (lk->lk_flags & LK_FLG_STOP)
- rc = libcfs_kkuc_group_rem(lk->lk_uid,lk->lk_group);
- else {
- cfs_file_t *fp = cfs_get_fd(lk->lk_wfd);
- rc = libcfs_kkuc_group_add(fp, lk->lk_uid,lk->lk_group,
- lk->lk_data);
- if (rc && fp)
- cfs_put_file(fp);
- }
+ if (lk->lk_group != KUC_GRP_HSM) {
+ CERROR("Bad copytool group %d\n", lk->lk_group);
+ return -EINVAL;
+ }
- /* lk_data is archive number mask */
- /* TODO: register archive num with mdt so coordinator can choose
- correct agent. */
+ CDEBUG(D_HSM, "CT start r%d w%d u%d g%d f%#x\n", lk->lk_rfd, lk->lk_wfd,
+ lk->lk_uid, lk->lk_group, lk->lk_flags);
+
+ if (lk->lk_flags & LK_FLG_STOP) {
+ rc = libcfs_kkuc_group_rem(lk->lk_uid, lk->lk_group);
+ /* Unregister with the coordinator */
+ if (rc == 0)
+ rc = mdc_ioc_hsm_ct_unregister(imp);
+ } else {
+ struct file *fp = fget(lk->lk_wfd);
+
+ rc = libcfs_kkuc_group_add(fp, lk->lk_uid, lk->lk_group,
+ lk->lk_data);
+ if (rc && fp)
+ fput(fp);
+ if (rc == 0)
+ rc = mdc_ioc_hsm_ct_register(imp, archive);
+ }
- return rc;
+ return rc;
}
/**
*/
static int mdc_hsm_copytool_send(int len, void *val)
{
- struct kuc_hdr *lh = (struct kuc_hdr *)val;
- struct hsm_action_list *hal = (struct hsm_action_list *)(lh + 1);
- int rc;
- ENTRY;
+ struct kuc_hdr *lh = (struct kuc_hdr *)val;
+ struct hsm_action_list *hal = (struct hsm_action_list *)(lh + 1);
+ int rc;
+ ENTRY;
- if (len < sizeof(*lh) + sizeof(*hal)) {
- CERROR("Short HSM message %d < %d\n", len,
- (int) (sizeof(*lh) + sizeof(*hal)));
- RETURN(-EPROTO);
- }
- if (lh->kuc_magic == __swab16(KUC_MAGIC)) {
- lustre_swab_kuch(lh);
- lustre_swab_hal(hal);
- } else if (lh->kuc_magic != KUC_MAGIC) {
- CERROR("Bad magic %x!=%x\n", lh->kuc_magic, KUC_MAGIC);
- RETURN(-EPROTO);
- }
+ if (len < sizeof(*lh) + sizeof(*hal)) {
+ CERROR("Short HSM message %d < %d\n", len,
+ (int) (sizeof(*lh) + sizeof(*hal)));
+ RETURN(-EPROTO);
+ }
+ if (lh->kuc_magic == __swab16(KUC_MAGIC)) {
+ lustre_swab_kuch(lh);
+ lustre_swab_hal(hal);
+ } else if (lh->kuc_magic != KUC_MAGIC) {
+ CERROR("Bad magic %x!=%x\n", lh->kuc_magic, KUC_MAGIC);
+ RETURN(-EPROTO);
+ }
- CDEBUG(D_HSM, " Received message mg=%x t=%d m=%d l=%d actions=%d\n",
- lh->kuc_magic, lh->kuc_transport, lh->kuc_msgtype,
- lh->kuc_msglen, hal->hal_count);
+ CDEBUG(D_HSM, " Received message mg=%x t=%d m=%d l=%d actions=%d "
+ "on %s\n",
+ lh->kuc_magic, lh->kuc_transport, lh->kuc_msgtype,
+ lh->kuc_msglen, hal->hal_count, hal->hal_fsname);
- /* Broadcast to HSM listeners */
- rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
+ /* Broadcast to HSM listeners */
+ rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
- RETURN(rc);
+ RETURN(rc);
+}
+
+/**
+ * callback function passed to kuc for re-registering each HSM copytool
+ * running on MDC, after MDT shutdown/recovery.
+ * @param data archive id served by the copytool
+ * @param cb_arg callback argument (obd_import)
+ */
+static int mdc_hsm_ct_reregister(__u32 data, void *cb_arg)
+{
+ struct obd_import *imp = (struct obd_import *)cb_arg;
+ __u32 archive = data;
+ int rc;
+
+ CDEBUG(D_HA, "recover copytool registration to MDT (archive=%#x)\n",
+ archive);
+ rc = mdc_ioc_hsm_ct_register(imp, archive);
+
+ /* ignore error if the copytool is already registered */
+ return ((rc != 0) && (rc != -EEXIST)) ? rc : 0;
+}
+
+/**
+ * Re-establish all kuc contexts with MDT
+ * after MDT shutdown/recovery.
+ */
+static int mdc_kuc_reregister(struct obd_import *imp)
+{
+ /* re-register HSM agents */
+ return libcfs_kkuc_group_foreach(KUC_GRP_HSM, mdc_hsm_ct_reregister,
+ (void *)imp);
}
int mdc_set_info_async(const struct lu_env *env,
- struct obd_export *exp,
- obd_count keylen, void *key,
- obd_count vallen, void *val,
- struct ptlrpc_request_set *set)
+ struct obd_export *exp,
+ obd_count keylen, void *key,
+ obd_count vallen, void *val,
+ struct ptlrpc_request_set *set)
{
- struct obd_import *imp = class_exp2cliimp(exp);
- int rc = -EINVAL;
- ENTRY;
+ struct obd_import *imp = class_exp2cliimp(exp);
+ int rc;
+ ENTRY;
- if (KEY_IS(KEY_READ_ONLY)) {
- if (vallen != sizeof(int))
- RETURN(-EINVAL);
+ if (KEY_IS(KEY_READ_ONLY)) {
+ if (vallen != sizeof(int))
+ RETURN(-EINVAL);
spin_lock(&imp->imp_lock);
if (*((int *)val)) {
RETURN(rc);
}
- RETURN(rc);
+ CERROR("Unknown key %s\n", (char *)key);
+ RETURN(-EINVAL);
}
int mdc_get_info(const struct lu_env *env, struct obd_export *exp,
break;
}
- case IMP_EVENT_ACTIVE: {
- rc = obd_notify_observer(obd, obd, OBD_NOTIFY_ACTIVE, NULL);
- break;
- }
+ case IMP_EVENT_ACTIVE:
+ rc = obd_notify_observer(obd, obd, OBD_NOTIFY_ACTIVE, NULL);
+ /* restore re-establish kuc registration after reconnecting */
+ if (rc == 0)
+ rc = mdc_kuc_reregister(imp);
+ break;
case IMP_EVENT_OCD:
rc = obd_notify_observer(obd, obd, OBD_NOTIFY_OCD, NULL);
break;
RETURN(1);
}
+static int mdc_resource_inode_free(struct ldlm_resource *res)
+{
+ if (res->lr_lvb_inode)
+ res->lr_lvb_inode = NULL;
+
+ return 0;
+}
+
+struct ldlm_valblock_ops inode_lvbo = {
+ lvbo_free: mdc_resource_inode_free
+};
+
static int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg)
{
struct client_obd *cli = &obd->u.cli;
ns_register_cancel(obd->obd_namespace, mdc_cancel_for_recovery);
+ obd->obd_namespace->ns_lvbo = &inode_lvbo;
+
rc = obd_llog_init(obd, &obd->obd_olg, obd, NULL);
if (rc) {
mdc_cleanup(obd);
struct md_ops mdc_md_ops = {
.m_getstatus = mdc_getstatus,
- .m_change_cbdata = mdc_change_cbdata,
+ .m_null_inode = mdc_null_inode,
.m_find_cbdata = mdc_find_cbdata,
.m_close = mdc_close,
.m_create = mdc_create,