* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2010, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
[MDL_GROUP] = LCK_GROUP
};
-/*
- * Initialized in mdt_mod_init().
- */
-static unsigned long mdt_num_threads;
-CFS_MODULE_PARM(mdt_num_threads, "ul", ulong, 0444,
- "number of MDS service threads to start "
- "(deprecated in favor of mds_num_threads)");
-
-static unsigned long mds_num_threads;
-CFS_MODULE_PARM(mds_num_threads, "ul", ulong, 0444,
- "number of MDS service threads to start");
-
-static char *mds_num_cpts;
-CFS_MODULE_PARM(mds_num_cpts, "c", charp, 0444,
- "CPU partitions MDS threads should run on");
-
-static unsigned long mds_rdpg_num_threads;
-CFS_MODULE_PARM(mds_rdpg_num_threads, "ul", ulong, 0444,
- "number of MDS readpage service threads to start");
-
-static char *mds_rdpg_num_cpts;
-CFS_MODULE_PARM(mds_rdpg_num_cpts, "c", charp, 0444,
- "CPU partitions MDS readpage threads should run on");
-
-/* NB: these two should be removed along with setattr service in the future */
-static unsigned long mds_attr_num_threads;
-CFS_MODULE_PARM(mds_attr_num_threads, "ul", ulong, 0444,
- "number of MDS setattr service threads to start");
-
-static char *mds_attr_num_cpts;
-CFS_MODULE_PARM(mds_attr_num_cpts, "c", charp, 0444,
- "CPU partitions MDS setattr threads should run on");
-
-/* ptlrpc request handler for MDT. All handlers are
- * grouped into several slices - struct mdt_opc_slice,
- * and stored in an array - mdt_handlers[].
- */
-struct mdt_handler {
- /* The name of this handler. */
- const char *mh_name;
- /* Fail id for this handler, checked at the beginning of this handler*/
- int mh_fail_id;
- /* Operation code for this handler */
- __u32 mh_opc;
- /* flags are listed in enum mdt_handler_flags below. */
- __u32 mh_flags;
- /* The actual handler function to execute. */
- int (*mh_act)(struct mdt_thread_info *info);
- /* Request format for this request. */
- const struct req_format *mh_fmt;
-};
-
-enum mdt_handler_flags {
- /*
- * struct mdt_body is passed in the incoming message, and object
- * identified by this fid exists on disk.
- *
- * "habeo corpus" == "I have a body"
- */
- HABEO_CORPUS = (1 << 0),
- /*
- * struct ldlm_request is passed in the incoming message.
- *
- * "habeo clavis" == "I have a key"
- */
- HABEO_CLAVIS = (1 << 1),
- /*
- * this request has fixed reply format, so that reply message can be
- * packed by generic code.
- *
- * "habeo refero" == "I have a reply"
- */
- HABEO_REFERO = (1 << 2),
- /*
- * this request will modify something, so check whether the filesystem
- * is readonly or not, then return -EROFS to client asap if necessary.
- *
- * "mutabor" == "I shall modify"
- */
- MUTABOR = (1 << 3)
-};
-
-struct mdt_opc_slice {
- __u32 mos_opc_start;
- int mos_opc_end;
- struct mdt_handler *mos_hs;
-};
-
-static struct mdt_opc_slice mdt_regular_handlers[];
-static struct mdt_opc_slice mdt_readpage_handlers[];
-static struct mdt_opc_slice mdt_xmds_handlers[];
-static struct mdt_opc_slice mdt_seq_handlers[];
-static struct mdt_opc_slice mdt_fld_handlers[];
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);
EXIT;
}
-static int mdt_getstatus(struct mdt_thread_info *info)
+int mdt_getstatus(struct mdt_thread_info *info)
{
struct mdt_device *mdt = info->mti_mdt;
struct md_device *next = mdt->mdt_child;
RETURN(rc);
}
-static int mdt_statfs(struct mdt_thread_info *info)
+int mdt_statfs(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct md_device *next = info->mti_mdt->mdt_child;
RETURN(rc);
}
-static int mdt_getattr(struct mdt_thread_info *info)
+int mdt_getattr(struct mdt_thread_info *info)
{
struct mdt_object *obj = info->mti_object;
struct req_capsule *pill = info->mti_pill;
return rc;
}
-static int mdt_is_subdir(struct mdt_thread_info *info)
+int mdt_is_subdir(struct mdt_thread_info *info)
{
struct mdt_object *o = info->mti_object;
struct req_capsule *pill = info->mti_pill;
}
/* normal handler: should release the child lock */
-static int mdt_getattr_name(struct mdt_thread_info *info)
+int mdt_getattr_name(struct mdt_thread_info *info)
{
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_CHILD];
struct mdt_body *reqbody;
return rc;
}
-static const struct lu_device_operations mdt_lu_ops;
-
-static int lu_device_is_mdt(struct lu_device *d)
-{
- return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdt_lu_ops);
-}
-
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg);
-static int mdt_set_info(struct mdt_thread_info *info)
+int mdt_set_info(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
char *key;
/**
* Top-level handler for MDT connection requests.
*/
-static int mdt_connect(struct mdt_thread_info *info)
+int mdt_connect(struct mdt_thread_info *info)
{
int rc;
struct obd_connect_data *reply;
return rc;
}
-static int mdt_disconnect(struct mdt_thread_info *info)
+int mdt_disconnect(struct mdt_thread_info *info)
{
int rc;
ENTRY;
RETURN(rc);
}
-static int mdt_readpage(struct mdt_thread_info *info)
+int mdt_readpage(struct mdt_thread_info *info)
{
struct mdt_object *object = info->mti_object;
struct lu_rdpg *rdpg = &info->mti_u.rdpg.mti_rdpg;
return opc;
}
-static int mdt_reint(struct mdt_thread_info *info)
+int mdt_reint(struct mdt_thread_info *info)
{
long opc;
int rc;
RETURN(rc);
}
-static int mdt_sync(struct mdt_thread_info *info)
+int mdt_sync(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct req_capsule *pill = info->mti_pill;
* Quotacheck handler.
* in-kernel quotacheck isn't supported any more.
*/
-static int mdt_quotacheck(struct mdt_thread_info *info)
+int mdt_quotacheck(struct mdt_thread_info *info)
{
struct obd_quotactl *oqctl;
int rc;
* Handle quota control requests to consult current usage/limit, but also
* to configure quota enforcement
*/
-static int mdt_quotactl(struct mdt_thread_info *info)
+int mdt_quotactl(struct mdt_thread_info *info)
{
struct obd_export *exp = info->mti_exp;
struct req_capsule *pill = info->mti_pill;
/*
* OBD PING and other handlers.
*/
-static int mdt_obd_ping(struct mdt_thread_info *info)
+int mdt_obd_ping(struct mdt_thread_info *info)
{
int rc;
ENTRY;
/*
* OBD_IDX_READ handler
*/
-static int mdt_obd_idx_read(struct mdt_thread_info *info)
+int mdt_obd_idx_read(struct mdt_thread_info *info)
{
struct mdt_device *mdt = info->mti_mdt;
struct lu_rdpg *rdpg = &info->mti_u.rdpg.mti_rdpg;
return rc;
}
-static int mdt_obd_log_cancel(struct mdt_thread_info *info)
+int mdt_obd_log_cancel(struct mdt_thread_info *info)
{
return err_serious(-EOPNOTSUPP);
}
-static int mdt_obd_qc_callback(struct mdt_thread_info *info)
+int mdt_obd_qc_callback(struct mdt_thread_info *info)
{
return err_serious(-EOPNOTSUPP);
}
-
/*
* LLOG handlers.
*/
return 0;
}
-static int mdt_llog_create(struct mdt_thread_info *info)
+int mdt_llog_create(struct mdt_thread_info *info)
{
int rc;
return (rc < 0 ? err_serious(rc) : rc);
}
-static int mdt_llog_destroy(struct mdt_thread_info *info)
+int mdt_llog_destroy(struct mdt_thread_info *info)
{
int rc;
return (rc < 0 ? err_serious(rc) : rc);
}
-static int mdt_llog_read_header(struct mdt_thread_info *info)
+int mdt_llog_read_header(struct mdt_thread_info *info)
{
int rc;
return (rc < 0 ? err_serious(rc) : rc);
}
-static int mdt_llog_next_block(struct mdt_thread_info *info)
+int mdt_llog_next_block(struct mdt_thread_info *info)
{
int rc;
return (rc < 0 ? err_serious(rc) : rc);
}
-static int mdt_llog_prev_block(struct mdt_thread_info *info)
+int mdt_llog_prev_block(struct mdt_thread_info *info)
{
int rc;
.lcs_glimpse = ldlm_server_glimpse_ast
};
-static int mdt_enqueue(struct mdt_thread_info *info)
+int mdt_enqueue(struct mdt_thread_info *info)
{
struct ptlrpc_request *req;
int rc;
return rc ? err_serious(rc) : req->rq_status;
}
-static int mdt_convert(struct mdt_thread_info *info)
+int mdt_convert(struct mdt_thread_info *info)
{
int rc;
struct ptlrpc_request *req;
return rc ? err_serious(rc) : req->rq_status;
}
-static int mdt_bl_callback(struct mdt_thread_info *info)
+int mdt_bl_callback(struct mdt_thread_info *info)
{
CERROR("bl callbacks should not happen on MDS\n");
LBUG();
return err_serious(-EOPNOTSUPP);
}
-static int mdt_cp_callback(struct mdt_thread_info *info)
+int mdt_cp_callback(struct mdt_thread_info *info)
{
CERROR("cp callbacks should not happen on MDS\n");
LBUG();
/*
* sec context handlers
*/
-static int mdt_sec_ctx_handle(struct mdt_thread_info *info)
+int mdt_sec_ctx_handle(struct mdt_thread_info *info)
{
int rc;
/*
* quota request handlers
*/
-static int mdt_quota_dqacq(struct mdt_thread_info *info)
+int mdt_quota_dqacq(struct mdt_thread_info *info)
{
struct lu_device *qmt = info->mti_mdt->mdt_qmt_dev;
int rc;
struct mdt_thread_info *info)
{
int i;
- struct md_capainfo *ci;
req_capsule_init(&req->rq_pill, req, RCL_SERVER);
info->mti_pill = &req->rq_pill;
} else
info->mti_mdt = NULL;
info->mti_env = req->rq_svc_thread->t_env;
- ci = md_capainfo(info->mti_env);
- memset(ci, 0, sizeof *ci);
- if (req->rq_export) {
- if (exp_connect_rmtclient(req->rq_export))
- ci->mc_auth = LC_ID_CONVERT;
- else if (req->rq_export->exp_connect_flags &
- OBD_CONNECT_MDS_CAPA)
- ci->mc_auth = LC_ID_PLAIN;
- else
- ci->mc_auth = LC_ID_NONE;
- }
-
info->mti_fail_id = OBD_FAIL_MDS_ALL_REPLY_NET;
info->mti_transno = lustre_msg_get_transno(req->rq_reqmsg);
info->mti_mos = NULL;
* XXX common "target" functionality should be factored into separate module
* shared by mdt, ost and stand-alone services like fld.
*/
-static int mdt_handle_common(struct ptlrpc_request *req,
- struct mdt_opc_slice *supported)
+int mdt_handle_common(struct ptlrpc_request *req,
+ struct mdt_opc_slice *supported)
{
struct lu_env *env;
struct mdt_thread_info *info;
ENTRY;
env = req->rq_svc_thread->t_env;
+ /* Refill(initilize) the context(mdt_thread_info), in case it is
+ * not initialized yet. Usually it happens during start up, after
+ * MDS(ptlrpc threads) is start up, it gets the first CONNECT request,
+ * before MDT_thread_info is initialized */
+ lu_env_refill(env);
LASSERT(env != NULL);
LASSERT(env->le_ses != NULL);
LASSERT(env->le_ctx.lc_thread == req->rq_svc_thread);
RETURN(rc);
}
-static int mdt_regular_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_regular_handlers);
-}
-
-static int mdt_readpage_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_readpage_handlers);
-}
-
-static int mdt_xmds_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_xmds_handlers);
-}
-
-static int mdt_mdsc_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_seq_handlers);
-}
-
-static int mdt_mdss_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_seq_handlers);
-}
-
-static int mdt_dtss_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_seq_handlers);
-}
-
-static int mdt_fld_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_fld_handlers);
-}
-
enum mdt_it_code {
MDT_IT_OPEN,
MDT_IT_OCREAT,
ENTRY;
if (ms && ms->ms_server_fld) {
- fld_server_fini(ms->ms_server_fld, env);
+ fld_server_fini(env, ms->ms_server_fld);
OBD_FREE_PTR(ms->ms_server_fld);
ms->ms_server_fld = NULL;
}
if (ms->ms_server_fld == NULL)
RETURN(rc = -ENOMEM);
- rc = fld_server_init(ms->ms_server_fld,
- m->mdt_bottom, uuid,
- env, ms->ms_node_id);
+ rc = fld_server_init(env, ms->ms_server_fld, m->mdt_bottom, uuid,
+ ms->ms_node_id);
if (rc) {
OBD_FREE_PTR(ms->ms_server_fld);
ms->ms_server_fld = NULL;
RETURN(0);
}
-/* device init/fini methods */
-static void mdt_stop_ptlrpc_service(struct mdt_device *m)
-{
- ENTRY;
- if (m->mdt_regular_service != NULL) {
- ptlrpc_unregister_service(m->mdt_regular_service);
- m->mdt_regular_service = NULL;
- }
- if (m->mdt_readpage_service != NULL) {
- ptlrpc_unregister_service(m->mdt_readpage_service);
- m->mdt_readpage_service = NULL;
- }
- if (m->mdt_xmds_service != NULL) {
- ptlrpc_unregister_service(m->mdt_xmds_service);
- m->mdt_xmds_service = NULL;
- }
- if (m->mdt_setattr_service != NULL) {
- ptlrpc_unregister_service(m->mdt_setattr_service);
- m->mdt_setattr_service = NULL;
- }
- if (m->mdt_mdsc_service != NULL) {
- ptlrpc_unregister_service(m->mdt_mdsc_service);
- m->mdt_mdsc_service = NULL;
- }
- if (m->mdt_mdss_service != NULL) {
- ptlrpc_unregister_service(m->mdt_mdss_service);
- m->mdt_mdss_service = NULL;
- }
- if (m->mdt_dtss_service != NULL) {
- ptlrpc_unregister_service(m->mdt_dtss_service);
- m->mdt_dtss_service = NULL;
- }
- if (m->mdt_fld_service != NULL) {
- ptlrpc_unregister_service(m->mdt_fld_service);
- m->mdt_fld_service = NULL;
- }
- EXIT;
-}
-
-static int mdt_start_ptlrpc_service(struct mdt_device *m)
-{
- static struct ptlrpc_service_conf conf;
- cfs_proc_dir_entry_t *procfs_entry;
- int rc = 0;
- ENTRY;
-
- m->mdt_ldlm_client = &m->mdt_md_dev.md_lu_dev.ld_obd->obd_ldlm_client;
- ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
- "mdt_ldlm_client", m->mdt_ldlm_client);
-
- procfs_entry = m->mdt_md_dev.md_lu_dev.ld_obd->obd_proc_entry;
-
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME,
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = MDS_MAXREQSIZE,
- .bc_rep_max_size = MDS_MAXREPSIZE,
- .bc_req_portal = MDS_REQUEST_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- /*
- * We'd like to have a mechanism to set this on a per-device
- * basis, but alas...
- */
- .psc_thr = {
- .tc_thr_name = LUSTRE_MDT_NAME,
- .tc_thr_factor = MDT_THR_FACTOR,
- .tc_nthrs_init = MDT_NTHRS_INIT,
- .tc_nthrs_base = MDT_NTHRS_BASE,
- .tc_nthrs_max = MDT_NTHRS_MAX,
- .tc_nthrs_user = mds_num_threads,
- .tc_cpu_affinity = 1,
- .tc_ctx_tags = LCT_MD_THREAD,
- },
- .psc_cpt = {
- .cc_pattern = mds_num_cpts,
- },
- .psc_ops = {
- .so_req_handler = mdt_regular_handle,
- .so_req_printer = target_print_req,
- .so_hpreq_handler = ptlrpc_hpreq_handler,
- },
- };
- m->mdt_regular_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_regular_service)) {
- rc = PTR_ERR(m->mdt_regular_service);
- CERROR("failed to start regular mdt service: %d\n", rc);
- m->mdt_regular_service = NULL;
-
- RETURN(rc);
- }
-
- /*
- * readpage service configuration. Parameters have to be adjusted,
- * ideally.
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_readpage",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = MDS_MAXREQSIZE,
- .bc_rep_max_size = MDS_MAXREPSIZE,
- .bc_req_portal = MDS_READPAGE_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_rdpg",
- .tc_thr_factor = MDT_RDPG_THR_FACTOR,
- .tc_nthrs_init = MDT_RDPG_NTHRS_INIT,
- .tc_nthrs_base = MDT_RDPG_NTHRS_BASE,
- .tc_nthrs_max = MDT_RDPG_NTHRS_MAX,
- .tc_nthrs_user = mds_rdpg_num_threads,
- .tc_cpu_affinity = 1,
- .tc_ctx_tags = LCT_MD_THREAD,
- },
- .psc_cpt = {
- .cc_pattern = mds_rdpg_num_cpts,
- },
- .psc_ops = {
- .so_req_handler = mdt_readpage_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_readpage_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_readpage_service)) {
- rc = PTR_ERR(m->mdt_readpage_service);
- CERROR("failed to start readpage service: %d\n", rc);
- m->mdt_readpage_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /*
- * setattr service configuration.
- *
- * XXX To keep the compatibility with old client(< 2.2), we need to
- * preserve this portal for a certain time, it should be removed
- * eventually. LU-617.
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_setattr",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = MDS_MAXREQSIZE,
- .bc_rep_max_size = MDS_MAXREPSIZE,
- .bc_req_portal = MDS_SETATTR_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_attr",
- .tc_thr_factor = MDT_SETA_THR_FACTOR,
- .tc_nthrs_init = MDT_SETA_NTHRS_INIT,
- .tc_nthrs_base = MDT_SETA_NTHRS_BASE,
- .tc_nthrs_max = MDT_SETA_NTHRS_MAX,
- .tc_nthrs_user = mds_attr_num_threads,
- .tc_cpu_affinity = 1,
- .tc_ctx_tags = LCT_MD_THREAD,
- },
- .psc_cpt = {
- .cc_pattern = mds_attr_num_cpts,
- },
- .psc_ops = {
- .so_req_handler = mdt_regular_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_setattr_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_setattr_service)) {
- rc = PTR_ERR(m->mdt_setattr_service);
- CERROR("failed to start setattr service: %d\n", rc);
- m->mdt_setattr_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /*
- * sequence controller service configuration
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_mdsc",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = SEQ_MAXREQSIZE,
- .bc_rep_max_size = SEQ_MAXREPSIZE,
- .bc_req_portal = SEQ_CONTROLLER_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_mdsc",
- .tc_nthrs_init = MDT_OTHR_NTHRS_INIT,
- .tc_nthrs_max = MDT_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_MD_THREAD,
- },
- .psc_ops = {
- .so_req_handler = mdt_mdsc_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_mdsc_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_mdsc_service)) {
- rc = PTR_ERR(m->mdt_mdsc_service);
- CERROR("failed to start seq controller service: %d\n", rc);
- m->mdt_mdsc_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /*
- * metadata sequence server service configuration
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_mdss",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = SEQ_MAXREQSIZE,
- .bc_rep_max_size = SEQ_MAXREPSIZE,
- .bc_req_portal = SEQ_METADATA_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_mdss",
- .tc_nthrs_init = MDT_OTHR_NTHRS_INIT,
- .tc_nthrs_max = MDT_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_MD_THREAD | LCT_DT_THREAD
- },
- .psc_ops = {
- .so_req_handler = mdt_mdss_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_mdss_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_mdss_service)) {
- rc = PTR_ERR(m->mdt_mdss_service);
- CERROR("failed to start metadata seq server service: %d\n", rc);
- m->mdt_mdss_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /*
- * Data sequence server service configuration. We want to have really
- * cluster-wide sequences space. This is why we start only one sequence
- * controller which manages space.
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_dtss",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = SEQ_MAXREQSIZE,
- .bc_rep_max_size = SEQ_MAXREPSIZE,
- .bc_req_portal = SEQ_DATA_PORTAL,
- .bc_rep_portal = OSC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_dtss",
- .tc_nthrs_init = MDT_OTHR_NTHRS_INIT,
- .tc_nthrs_max = MDT_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_MD_THREAD | LCT_DT_THREAD
- },
- .psc_ops = {
- .so_req_handler = mdt_dtss_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_dtss_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_dtss_service)) {
- rc = PTR_ERR(m->mdt_dtss_service);
- CERROR("failed to start data seq server service: %d\n", rc);
- m->mdt_dtss_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /* FLD service start */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_fld",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = FLD_MAXREQSIZE,
- .bc_rep_max_size = FLD_MAXREPSIZE,
- .bc_req_portal = FLD_REQUEST_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_fld",
- .tc_nthrs_init = MDT_OTHR_NTHRS_INIT,
- .tc_nthrs_max = MDT_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_DT_THREAD | LCT_MD_THREAD
- },
- .psc_ops = {
- .so_req_handler = mdt_fld_handle,
- .so_req_printer = target_print_req,
- },
- };
- m->mdt_fld_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_fld_service)) {
- rc = PTR_ERR(m->mdt_fld_service);
- CERROR("failed to start fld service: %d\n", rc);
- m->mdt_fld_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- /*
- * mds-mds service configuration. Separate portal is used to allow
- * mds-mds requests be not blocked during recovery.
- */
- memset(&conf, 0, sizeof(conf));
- conf = (typeof(conf)) {
- .psc_name = LUSTRE_MDT_NAME "_mds",
- .psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
- .psc_buf = {
- .bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_BUFSIZE,
- .bc_req_max_size = MDS_MAXREQSIZE,
- .bc_rep_max_size = MDS_MAXREPSIZE,
- .bc_req_portal = MDS_MDS_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
- },
- .psc_thr = {
- .tc_thr_name = "mdt_mds",
- .tc_nthrs_init = MDT_OTHR_NTHRS_INIT,
- .tc_nthrs_max = MDT_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_MD_THREAD,
- },
- .psc_ops = {
- .so_req_handler = mdt_xmds_handle,
- .so_req_printer = target_print_req,
- .so_hpreq_handler = ptlrpc_hpreq_handler,
- },
- };
- m->mdt_xmds_service = ptlrpc_register_service(&conf, procfs_entry);
- if (IS_ERR(m->mdt_xmds_service)) {
- rc = PTR_ERR(m->mdt_xmds_service);
- CERROR("failed to start xmds service: %d\n", rc);
- m->mdt_xmds_service = NULL;
-
- GOTO(err_mdt_svc, rc);
- }
-
- EXIT;
-err_mdt_svc:
- if (rc)
- mdt_stop_ptlrpc_service(m);
-
- return rc;
-}
-
static void mdt_stack_fini(const struct lu_env *env,
struct mdt_device *m, struct lu_device *top)
{
ping_evictor_stop();
- mdt_stop_ptlrpc_service(m);
mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
obd_exports_barrier(obd);
obd_zombie_barrier();
if (rc)
GOTO(err_procfs, rc);
- rc = mdt_start_ptlrpc_service(m);
- if (rc)
- GOTO(err_quota, rc);
+ m->mdt_ldlm_client = &mdt2obd_dev(m)->obd_ldlm_client;
+ ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
+ "mdt_ldlm_client", m->mdt_ldlm_client);
ping_evictor_start();
RETURN(0);
- ping_evictor_stop();
- mdt_stop_ptlrpc_service(m);
-err_quota:
- mdt_quota_fini(env, m);
err_procfs:
mdt_procfs_fini(m);
err_recovery:
RETURN(rc);
}
-static const struct lu_device_operations mdt_lu_ops = {
+const struct lu_device_operations mdt_lu_ops = {
.ldo_object_alloc = mdt_object_alloc,
.ldo_process_config = mdt_process_config,
.ldo_prepare = mdt_prepare,
RETURN(rc);
}
-static int mdt_get_info(struct mdt_thread_info *info)
+int mdt_get_info(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
char *key;
return mdt->mdt_opts.mo_cos != 0;
}
-/* type constructor/destructor: mdt_type_init, mdt_type_fini */
-LU_TYPE_INIT_FINI(mdt, &mdt_thread_key);
-
static struct lu_device_type_operations mdt_device_type_ops = {
- .ldto_init = mdt_type_init,
- .ldto_fini = mdt_type_fini,
-
- .ldto_start = mdt_type_start,
- .ldto_stop = mdt_type_stop,
-
.ldto_device_alloc = mdt_device_alloc,
.ldto_device_free = mdt_device_free,
.ldto_device_fini = mdt_device_fini
static int __init mdt_mod_init(void)
{
- struct lprocfs_static_vars lvars;
- int rc;
+ struct lprocfs_static_vars lvars;
+ int rc;
rc = lu_kmem_init(mdt_caches);
if (rc)
return rc;
- if (mdt_num_threads != 0 && mds_num_threads == 0) {
- LCONSOLE_INFO("mdt_num_threads module parameter is deprecated,"
- "use mds_num_threads instead or unset both for"
- "dynamic thread startup\n");
- mds_num_threads = mdt_num_threads;
- }
-
- lprocfs_mdt_init_vars(&lvars);
- rc = class_register_type(&mdt_obd_device_ops, NULL,
- lvars.module_vars, LUSTRE_MDT_NAME,
- &mdt_device_type);
+ rc = mds_mod_init();
+ if (rc)
+ GOTO(lu_fini, rc);
+ lprocfs_mdt_init_vars(&lvars);
+ rc = class_register_type(&mdt_obd_device_ops, NULL,
+ lvars.module_vars, LUSTRE_MDT_NAME,
+ &mdt_device_type);
+ if (rc)
+ GOTO(mds_fini, rc);
+lu_fini:
if (rc)
lu_kmem_fini(mdt_caches);
- return rc;
+mds_fini:
+ if (rc)
+ mds_mod_exit();
+ return rc;
}
static void __exit mdt_mod_exit(void)
{
- class_unregister_type(LUSTRE_MDT_NAME);
+ class_unregister_type(LUSTRE_MDT_NAME);
+ mds_mod_exit();
lu_kmem_fini(mdt_caches);
}
-#define DEFINE_RPC_HANDLER(base, flags, opc, fn, fmt) \
-[opc - base] = { \
- .mh_name = #opc, \
- .mh_fail_id = OBD_FAIL_ ## opc ## _NET, \
- .mh_opc = opc, \
- .mh_flags = flags, \
- .mh_act = fn, \
- .mh_fmt = fmt \
-}
-
-/* Request with a format known in advance */
-#define DEF_MDT_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(MDS_GETATTR, flags, name, fn, &RQF_ ## name)
-
-/* Request with a format we do not yet know */
-#define DEF_MDT_HDL_VAR(flags, name, fn) \
- DEFINE_RPC_HANDLER(MDS_GETATTR, flags, name, fn, NULL)
-
-/* Map one non-standard request format handler. This should probably get
- * a common OBD_SET_INFO RPC opcode instead of this mismatch. */
-#define RQF_MDS_SET_INFO RQF_OBD_SET_INFO
-
-static struct mdt_handler mdt_mds_ops[] = {
-DEF_MDT_HDL(0, MDS_CONNECT, mdt_connect),
-DEF_MDT_HDL(0, MDS_DISCONNECT, mdt_disconnect),
-DEF_MDT_HDL(0, MDS_SET_INFO, mdt_set_info),
-DEF_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
-DEF_MDT_HDL(0 | HABEO_REFERO, MDS_GETSTATUS, mdt_getstatus),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_GETATTR, mdt_getattr),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_GETATTR_NAME, mdt_getattr_name),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_GETXATTR, mdt_getxattr),
-DEF_MDT_HDL(0 | HABEO_REFERO, MDS_STATFS, mdt_statfs),
-DEF_MDT_HDL(0 | MUTABOR, MDS_REINT, mdt_reint),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_CLOSE, mdt_close),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_DONE_WRITING, mdt_done_writing),
-DEF_MDT_HDL(0 | HABEO_REFERO, MDS_PIN, mdt_pin),
-DEF_MDT_HDL_VAR(0, MDS_SYNC, mdt_sync),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_IS_SUBDIR, mdt_is_subdir),
-DEF_MDT_HDL(0, MDS_QUOTACHECK, mdt_quotacheck),
-DEF_MDT_HDL(0, MDS_QUOTACTL, mdt_quotactl)
-};
-
-#define DEF_OBD_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(OBD_PING, flags, name, fn, NULL)
-
-static struct mdt_handler mdt_obd_ops[] = {
-DEF_OBD_HDL(0, OBD_PING, mdt_obd_ping),
-DEF_OBD_HDL(0, OBD_LOG_CANCEL, mdt_obd_log_cancel),
-DEF_OBD_HDL(0, OBD_QC_CALLBACK, mdt_obd_qc_callback),
-DEF_OBD_HDL(0, OBD_IDX_READ, mdt_obd_idx_read)
-};
-
-#define DEF_DLM_HDL_VAR(flags, name, fn) \
- DEFINE_RPC_HANDLER(LDLM_ENQUEUE, flags, name, fn, NULL)
-#define DEF_DLM_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(LDLM_ENQUEUE, flags, name, fn, &RQF_ ## name)
-
-static struct mdt_handler mdt_dlm_ops[] = {
-DEF_DLM_HDL (HABEO_CLAVIS, LDLM_ENQUEUE, mdt_enqueue),
-DEF_DLM_HDL_VAR(HABEO_CLAVIS, LDLM_CONVERT, mdt_convert),
-DEF_DLM_HDL_VAR(0, LDLM_BL_CALLBACK, mdt_bl_callback),
-DEF_DLM_HDL_VAR(0, LDLM_CP_CALLBACK, mdt_cp_callback)
-};
-
-#define DEF_LLOG_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(LLOG_ORIGIN_HANDLE_CREATE, flags, name, fn, NULL)
-
-static struct mdt_handler mdt_llog_ops[] = {
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_CREATE, mdt_llog_create),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_NEXT_BLOCK, mdt_llog_next_block),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_READ_HEADER, mdt_llog_read_header),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_WRITE_REC, NULL),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_CLOSE, NULL),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_CONNECT, NULL),
-DEF_LLOG_HDL(0, LLOG_CATINFO, NULL),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_PREV_BLOCK, mdt_llog_prev_block),
-DEF_LLOG_HDL(0, LLOG_ORIGIN_HANDLE_DESTROY, mdt_llog_destroy),
-};
-
-#define DEF_SEC_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(SEC_CTX_INIT, flags, name, fn, NULL)
-
-static struct mdt_handler mdt_sec_ctx_ops[] = {
-DEF_SEC_HDL(0, SEC_CTX_INIT, mdt_sec_ctx_handle),
-DEF_SEC_HDL(0, SEC_CTX_INIT_CONT,mdt_sec_ctx_handle),
-DEF_SEC_HDL(0, SEC_CTX_FINI, mdt_sec_ctx_handle)
-};
-
-#define DEF_QUOTA_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(QUOTA_DQACQ, flags, name, fn, &RQF_ ## name)
-
-static struct mdt_handler mdt_quota_ops[] = {
-DEF_QUOTA_HDL(HABEO_REFERO, QUOTA_DQACQ, mdt_quota_dqacq),
-};
-
-static struct mdt_opc_slice mdt_regular_handlers[] = {
- {
- .mos_opc_start = MDS_GETATTR,
- .mos_opc_end = MDS_LAST_OPC,
- .mos_hs = mdt_mds_ops
- },
- {
- .mos_opc_start = OBD_PING,
- .mos_opc_end = OBD_LAST_OPC,
- .mos_hs = mdt_obd_ops
- },
- {
- .mos_opc_start = LDLM_ENQUEUE,
- .mos_opc_end = LDLM_LAST_OPC,
- .mos_hs = mdt_dlm_ops
- },
- {
- .mos_opc_start = LLOG_ORIGIN_HANDLE_CREATE,
- .mos_opc_end = LLOG_LAST_OPC,
- .mos_hs = mdt_llog_ops
- },
- {
- .mos_opc_start = SEC_CTX_INIT,
- .mos_opc_end = SEC_LAST_OPC,
- .mos_hs = mdt_sec_ctx_ops
- },
- {
- .mos_opc_start = QUOTA_DQACQ,
- .mos_opc_end = QUOTA_LAST_OPC,
- .mos_hs = mdt_quota_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
-/* Readpage/readdir handlers */
-static struct mdt_handler mdt_readpage_ops[] = {
-DEF_MDT_HDL(0, MDS_CONNECT, mdt_connect),
-DEF_MDT_HDL(HABEO_CORPUS | HABEO_REFERO, MDS_READPAGE, mdt_readpage),
-/* XXX: this is ugly and should be fixed one day, see mdc_close() for
- * detailed comments. --umka */
-DEF_MDT_HDL(HABEO_CORPUS, MDS_CLOSE, mdt_close),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_DONE_WRITING, mdt_done_writing),
-};
-
-static struct mdt_opc_slice mdt_readpage_handlers[] = {
- {
- .mos_opc_start = MDS_GETATTR,
- .mos_opc_end = MDS_LAST_OPC,
- .mos_hs = mdt_readpage_ops
- },
- {
- .mos_opc_start = OBD_FIRST_OPC,
- .mos_opc_end = OBD_LAST_OPC,
- .mos_hs = mdt_obd_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
-/* Cross MDT operation handlers for DNE */
-static struct mdt_handler mdt_xmds_ops[] = {
-DEF_MDT_HDL(0, MDS_CONNECT, mdt_connect),
-DEF_MDT_HDL(HABEO_CORPUS, MDS_GETATTR, mdt_getattr),
-DEF_MDT_HDL(0 | MUTABOR, MDS_REINT, mdt_reint),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_IS_SUBDIR, mdt_is_subdir),
-};
-
-static struct mdt_opc_slice mdt_xmds_handlers[] = {
- {
- .mos_opc_start = MDS_GETATTR,
- .mos_opc_end = MDS_LAST_OPC,
- .mos_hs = mdt_xmds_ops
- },
- {
- .mos_opc_start = OBD_PING,
- .mos_opc_end = OBD_LAST_OPC,
- .mos_hs = mdt_obd_ops
- },
- {
- .mos_opc_start = SEC_CTX_INIT,
- .mos_opc_end = SEC_LAST_OPC,
- .mos_hs = mdt_sec_ctx_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
-/* Sequence service handlers */
-#define DEF_SEQ_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(SEQ_QUERY, flags, name, fn, &RQF_ ## name)
-
-static struct mdt_handler mdt_seq_ops[] = {
-DEF_SEQ_HDL(0, SEQ_QUERY, (void *)seq_query),
-};
-
-static struct mdt_opc_slice mdt_seq_handlers[] = {
- {
- .mos_opc_start = SEQ_QUERY,
- .mos_opc_end = SEQ_LAST_OPC,
- .mos_hs = mdt_seq_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
-/* FID Location Database handlers */
-#define DEF_FLD_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(FLD_QUERY, flags, name, fn, &RQF_ ## name)
-
-static struct mdt_handler mdt_fld_ops[] = {
-DEF_FLD_HDL(0, FLD_QUERY, (void *)fld_query),
-};
-
-static struct mdt_opc_slice mdt_fld_handlers[] = {
- {
- .mos_opc_start = FLD_QUERY,
- .mos_opc_end = FLD_LAST_OPC,
- .mos_hs = mdt_fld_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
MODULE_DESCRIPTION("Lustre Metadata Target ("LUSTRE_MDT_NAME")");
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff