/* lu2dt_dev() */
#include <dt_object.h>
#include <lustre_mds.h>
-#include <lustre_mdt.h>
#include "mdt_internal.h"
#include <lustre_quota.h>
#include <lustre_acl.h>
struct mds_device {
/* super-class */
- struct md_device mds_md_dev;
- struct ptlrpc_service *mds_regular_service;
- struct ptlrpc_service *mds_readpage_service;
- struct ptlrpc_service *mds_out_service;
- struct ptlrpc_service *mds_setattr_service;
- struct ptlrpc_service *mds_mdsc_service;
- struct ptlrpc_service *mds_mdss_service;
- struct ptlrpc_service *mds_fld_service;
+ struct md_device mds_md_dev;
+ struct ptlrpc_service *mds_regular_service;
+ struct ptlrpc_service *mds_readpage_service;
+ struct ptlrpc_service *mds_out_service;
+ struct ptlrpc_service *mds_setattr_service;
+ struct ptlrpc_service *mds_mdsc_service;
+ struct ptlrpc_service *mds_mdss_service;
+ struct ptlrpc_service *mds_fld_service;
+ struct mutex mds_health_mutex;
};
/*
CFS_MODULE_PARM(mds_attr_num_cpts, "c", charp, 0444,
"CPU partitions MDS setattr threads should run on");
-#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),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_PROGRESS, mdt_hsm_progress),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_CT_REGISTER,
- mdt_hsm_ct_register),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_CT_UNREGISTER,
- mdt_hsm_ct_unregister),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_STATE_GET,
- mdt_hsm_state_get),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_STATE_SET,
- mdt_hsm_state_set),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_ACTION, mdt_hsm_action),
-DEF_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_REQUEST, mdt_hsm_request),
-DEF_MDT_HDL(HABEO_CORPUS|HABEO_REFERO, MDS_SWAP_LAYOUTS, mdt_swap_layouts)
-};
-
-#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),
-};
-
-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
- }
-};
-
-/* 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),
-};
-
-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),
-};
-
-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
- }
-};
-
-/* Request with a format known in advance */
-#define DEF_UPDATE_HDL(flags, name, fn) \
- DEFINE_RPC_HANDLER(UPDATE_OBJ, flags, name, fn, &RQF_ ## name)
-
-#define target_handler mdt_handler
-static struct target_handler out_ops[] = {
- DEF_UPDATE_HDL(MUTABOR, UPDATE_OBJ, out_handle),
-};
-
-static struct mdt_opc_slice update_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 = SEC_CTX_INIT,
- .mos_opc_end = SEC_LAST_OPC,
- .mos_hs = mdt_sec_ctx_ops
- },
- {
- .mos_opc_start = UPDATE_OBJ,
- .mos_opc_end = UPDATE_LAST_OPC,
- .mos_hs = out_ops
- },
- {
- .mos_hs = NULL
- }
-};
-
-static int mds_regular_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_regular_handlers);
-}
-
-static int mds_readpage_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_readpage_handlers);
-}
-
-static int mds_mdsc_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_seq_handlers);
-}
-
-static int mdt_out_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, update_handlers);
-}
-
-static int mds_mdss_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_seq_handlers);
-}
-
-static int mds_fld_handle(struct ptlrpc_request *req)
-{
- return mdt_handle_common(req, mdt_fld_handlers);
-}
-
/* device init/fini methods */
static void mds_stop_ptlrpc_service(struct mds_device *m)
{
ENTRY;
+
+ mutex_lock(&m->mds_health_mutex);
if (m->mds_regular_service != NULL) {
ptlrpc_unregister_service(m->mds_regular_service);
m->mds_regular_service = NULL;
ptlrpc_unregister_service(m->mds_fld_service);
m->mds_fld_service = NULL;
}
+ mutex_unlock(&m->mds_health_mutex);
+
EXIT;
}
{
static struct ptlrpc_service_conf conf;
struct obd_device *obd = m->mds_md_dev.md_lu_dev.ld_obd;
- cfs_proc_dir_entry_t *procfs_entry;
+ struct proc_dir_entry *procfs_entry;
int rc = 0;
ENTRY;
.cc_pattern = mds_num_cpts,
},
.psc_ops = {
- .so_req_handler = mds_regular_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = ptlrpc_hpreq_handler,
},
.cc_pattern = mds_rdpg_num_cpts,
},
.psc_ops = {
- .so_req_handler = mds_readpage_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
},
};
.cc_pattern = mds_attr_num_cpts,
},
.psc_ops = {
- .so_req_handler = mds_regular_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = NULL,
},
.psc_watchdog_factor = MDT_SERVICE_WATCHDOG_FACTOR,
.psc_buf = {
.bc_nbufs = MDS_NBUFS,
- .bc_buf_size = MDS_OUT_BUFSIZE,
- .bc_req_max_size = MDS_OUT_MAXREQSIZE,
- .bc_rep_max_size = MDS_OUT_MAXREPSIZE,
- .bc_req_portal = MDS_MDS_PORTAL,
- .bc_rep_portal = MDC_REPLY_PORTAL,
+ .bc_buf_size = OUT_BUFSIZE,
+ .bc_req_max_size = OUT_MAXREQSIZE,
+ .bc_rep_max_size = OUT_MAXREPSIZE,
+ .bc_req_portal = OUT_PORTAL,
+ .bc_rep_portal = OSC_REPLY_PORTAL,
},
/*
* We'd like to have a mechanism to set this on a per-device
.tc_nthrs_max = MDS_NTHRS_MAX,
.tc_nthrs_user = mds_num_threads,
.tc_cpu_affinity = 1,
- .tc_ctx_tags = LCT_MD_THREAD,
+ .tc_ctx_tags = LCT_MD_THREAD |
+ LCT_DT_THREAD,
},
.psc_cpt = {
.cc_pattern = mds_num_cpts,
},
.psc_ops = {
- .so_req_handler = mdt_out_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = NULL,
},
.tc_ctx_tags = LCT_MD_THREAD,
},
.psc_ops = {
- .so_req_handler = mds_mdsc_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = NULL,
},
.tc_ctx_tags = LCT_MD_THREAD | LCT_DT_THREAD
},
.psc_ops = {
- .so_req_handler = mds_mdss_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = NULL,
},
.tc_thr_name = LUSTRE_MDT_NAME "_fld",
.tc_nthrs_init = MDS_OTHR_NTHRS_INIT,
.tc_nthrs_max = MDS_OTHR_NTHRS_MAX,
- .tc_ctx_tags = LCT_DT_THREAD | LCT_MD_THREAD
+ .tc_ctx_tags = LCT_DT_THREAD | LCT_MD_THREAD,
},
.psc_ops = {
- .so_req_handler = mds_fld_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
.so_hpreq_handler = NULL,
},
RETURN(NULL);
}
+LPROC_SEQ_FOPS_RO_TYPE(mds, uuid);
+
+static struct lprocfs_vars lprocfs_mds_obd_vars[] = {
+ { "uuid", &mds_uuid_fops },
+ { NULL }
+};
+
static struct lu_device *mds_device_alloc(const struct lu_env *env,
struct lu_device_type *t,
struct lustre_cfg *cfg)
/* set this lu_device to obd, because error handling need it */
obd->obd_lu_dev = l;
- rc = lprocfs_obd_setup(obd, lprocfs_mds_obd_vars);
+ obd->obd_vars = lprocfs_mds_obd_vars;
+ rc = lprocfs_obd_setup(obd);
if (rc != 0) {
mds_device_free(env, l);
l = ERR_PTR(rc);
return l;
}
+ mutex_init(&m->mds_health_mutex);
+
rc = mds_start_ptlrpc_service(m);
if (rc != 0) {
l = ERR_PTR(rc);
return l;
}
-
return l;
}
.ldt_ctx_tags = LCT_MD_THREAD
};
+static int mds_health_check(const struct lu_env *env, struct obd_device *obd)
+{
+ struct mds_device *mds = mds_dev(obd->obd_lu_dev);
+ int rc = 0;
+
+
+ mutex_lock(&mds->mds_health_mutex);
+ rc |= ptlrpc_service_health_check(mds->mds_regular_service);
+ rc |= ptlrpc_service_health_check(mds->mds_readpage_service);
+ rc |= ptlrpc_service_health_check(mds->mds_out_service);
+ rc |= ptlrpc_service_health_check(mds->mds_setattr_service);
+ rc |= ptlrpc_service_health_check(mds->mds_mdsc_service);
+ rc |= ptlrpc_service_health_check(mds->mds_mdss_service);
+ rc |= ptlrpc_service_health_check(mds->mds_fld_service);
+ mutex_unlock(&mds->mds_health_mutex);
+
+ return rc != 0 ? 1 : 0;
+}
+
static struct obd_ops mds_obd_device_ops = {
.o_owner = THIS_MODULE,
+ .o_health_check = mds_health_check,
};
int mds_mod_init(void)
{
- int 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 "
mds_num_threads = mdt_num_threads;
}
- rc = class_register_type(&mds_obd_device_ops, NULL,
- lprocfs_mds_module_vars, LUSTRE_MDS_NAME,
- &mds_device_type);
- return rc;
+ return class_register_type(&mds_obd_device_ops, NULL, true, NULL,
+ LUSTRE_MDS_NAME, &mds_device_type);
}
void mds_mod_exit(void)