* 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) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MDT_INTERNAL_H
#define _MDT_INTERNAL_H
-#if defined(__KERNEL__)
-/*
- * struct ptlrpc_client
- */
+#include <upcall_cache.h>
#include <lustre_net.h>
-#include <obd.h>
-/*
- * struct obd_connect_data
- * struct lustre_handle
- */
#include <lustre/lustre_idl.h>
+#include <obd_class.h>
#include <lustre_disk.h>
#include <lu_target.h>
#include <md_object.h>
#include <lustre_fld.h>
#include <lustre_req_layout.h>
#include <lustre_sec.h>
-#include <lvfs.h>
#include <lustre_idmap.h>
#include <lustre_eacl.h>
-#include <lustre_fsfilt.h>
#include <lustre_quota.h>
-
-/* check if request's xid is equal to last one or not*/
-static inline int req_xid_is_last(struct ptlrpc_request *req)
-{
- struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
- return (req->rq_xid == lcd->lcd_last_xid ||
- req->rq_xid == lcd->lcd_last_close_xid);
-}
+#include <lustre_linkea.h>
struct mdt_object;
+
/* file data for open files on MDS */
struct mdt_file_data {
- struct portals_handle mfd_handle; /* must be first */
- int mfd_mode; /* open mode provided by client */
- cfs_list_t mfd_list; /* protected by med_open_lock */
- __u64 mfd_xid; /* xid of the open request */
- struct lustre_handle mfd_old_handle; /* old handle in replay case */
- struct mdt_object *mfd_object; /* point to opened object */
+ /** portals handle must be first */
+ struct portals_handle mfd_handle;
+ /** open mode provided by client */
+ __u64 mfd_mode;
+ /** protected by med_open_lock */
+ struct list_head mfd_list;
+ /** xid of the open request */
+ __u64 mfd_xid;
+ /** old handle in replay case */
+ struct lustre_handle mfd_old_handle;
+ /** point to opened object */
+ struct mdt_object *mfd_object;
+};
+
+#define CDT_NONBLOCKING_RESTORE (1ULL << 0)
+#define CDT_NORETRY_ACTION (1ULL << 1)
+#define CDT_POLICY_LAST CDT_NORETRY_ACTION
+#define CDT_POLICY_SHIFT_COUNT 2
+#define CDT_POLICY_ALL (CDT_NONBLOCKING_RESTORE | \
+ CDT_NORETRY_ACTION)
+
+/* when adding a new policy, do not forget to update
+ * lustre/mdt/mdt_coordinator.c::hsm_policy_names[]
+ */
+#define CDT_DEFAULT_POLICY CDT_NORETRY_ACTION
+
+enum cdt_states { CDT_STOPPED = 0,
+ CDT_INIT,
+ CDT_RUNNING,
+ CDT_DISABLE,
+ CDT_STOPPING };
+
+/* when multiple lock are needed, the lock order is
+ * cdt_llog_lock
+ * cdt_agent_lock
+ * cdt_counter_lock
+ * cdt_restore_lock
+ * cdt_request_lock
+ */
+struct coordinator {
+ struct ptlrpc_thread cdt_thread; /**< coordinator thread */
+ struct lu_env cdt_env; /**< coordinator lustre
+ * env */
+ struct lu_context cdt_session; /** session for lu_ucred */
+ struct proc_dir_entry *cdt_proc_dir; /**< cdt /proc directory */
+ __u64 cdt_policy; /**< policy flags */
+ enum cdt_states cdt_state; /**< state */
+ atomic_t cdt_compound_id; /**< compound id
+ * counter */
+ __u64 cdt_last_cookie; /**< last cookie
+ * allocated */
+ struct mutex cdt_llog_lock; /**< protect llog
+ * access */
+ struct rw_semaphore cdt_agent_lock; /**< protect agent list */
+ struct rw_semaphore cdt_request_lock; /**< protect request
+ * list */
+ struct mutex cdt_restore_lock; /**< protect restore
+ * list */
+ cfs_time_t cdt_loop_period; /**< llog scan period */
+ cfs_time_t cdt_grace_delay; /**< request grace
+ * delay */
+ cfs_time_t cdt_active_req_timeout; /**< request timeout */
+ __u32 cdt_default_archive_id; /**< archive id used
+ * when none are
+ * specified */
+ __u64 cdt_max_requests; /**< max count of started
+ * requests */
+ atomic_t cdt_request_count; /**< current count of
+ * started requests */
+ struct list_head cdt_requests; /**< list of started
+ * requests */
+ struct list_head cdt_agents; /**< list of register
+ * agents */
+ struct list_head cdt_restore_hdl; /**< list of restore lock
+ * handles */
+ /* Bitmasks indexed by the HSMA_XXX constants. */
+ __u64 cdt_user_request_mask;
+ __u64 cdt_group_request_mask;
+ __u64 cdt_other_request_mask;
};
/* mdt state flag bits */
#define MDT_FL_SYNCED 1
struct mdt_device {
- /* super-class */
- struct md_device mdt_md_dev;
- struct md_site mdt_mite;
- struct ptlrpc_service *mdt_regular_service;
- struct ptlrpc_service *mdt_readpage_service;
- struct ptlrpc_service *mdt_xmds_service;
- struct ptlrpc_service *mdt_setattr_service;
- struct ptlrpc_service *mdt_mdsc_service;
- struct ptlrpc_service *mdt_mdss_service;
- struct ptlrpc_service *mdt_dtss_service;
- struct ptlrpc_service *mdt_fld_service;
+ /* super-class */
+ struct lu_device mdt_lu_dev;
+ struct seq_server_site mdt_seq_site;
/* DLM name-space for meta-data locks maintained by this server */
struct ldlm_namespace *mdt_namespace;
/* ptlrpc handle for MDS->client connections (for lock ASTs). */
struct obd_export *mdt_bottom_exp;
/** target device */
struct lu_target mdt_lut;
- /*
- * Options bit-fields.
- */
- struct {
- signed int mo_user_xattr :1,
- mo_acl :1,
- mo_compat_resname:1,
- mo_mds_capa :1,
- mo_oss_capa :1,
- mo_cos :1;
- } mdt_opts;
+ /*
+ * Options bit-fields.
+ */
+ struct {
+ unsigned int mo_user_xattr:1,
+ mo_acl:1,
+ mo_cos:1,
+ mo_evict_tgt_nids:1,
+ mo_coordinator:1;
+ } mdt_opts;
/* mdt state flags */
unsigned long mdt_state;
- /* lock to protect IOepoch */
- spinlock_t mdt_ioepoch_lock;
- __u64 mdt_ioepoch;
/* transaction callbacks */
struct dt_txn_callback mdt_txn_cb;
/* these values should be updated from lov if necessary.
* or should be placed somewhere else. */
int mdt_max_mdsize;
- int mdt_max_cookiesize;
+
+ int mdt_max_ea_size;
struct upcall_cache *mdt_identity_cache;
- /* sptlrpc rules */
- rwlock_t mdt_sptlrpc_lock;
- struct sptlrpc_rule_set mdt_sptlrpc_rset;
-
- /* capability keys */
- unsigned long mdt_capa_timeout;
- __u32 mdt_capa_alg;
- struct dt_object *mdt_ck_obj;
- unsigned long mdt_ck_timeout;
- unsigned long mdt_ck_expiry;
- cfs_timer_t mdt_ck_timer;
- struct ptlrpc_thread mdt_ck_thread;
- struct lustre_capa_key mdt_capa_keys[2];
- unsigned int mdt_capa_conf:1,
- mdt_som_conf:1;
+ unsigned int mdt_capa_conf:1,
+ /* Enable remote dir on non-MDT0 */
+ mdt_enable_remote_dir:1,
+ mdt_skip_lfsck:1;
+ gid_t mdt_enable_remote_dir_gid;
/* statfs optimization: we cache a bit */
struct obd_statfs mdt_osfs;
__u64 mdt_osfs_age;
spinlock_t mdt_osfs_lock;
/* root squash */
- uid_t mdt_squash_uid;
- gid_t mdt_squash_gid;
- cfs_list_t mdt_nosquash_nids;
- char *mdt_nosquash_str;
- int mdt_nosquash_strlen;
- struct rw_semaphore mdt_squash_sem;
-
- cfs_proc_dir_entry_t *mdt_proc_entry;
- struct lprocfs_stats *mdt_stats;
- int mdt_sec_level;
+ struct root_squash_info mdt_squash;
+
struct rename_stats mdt_rename_stats;
struct lu_fid mdt_md_root_fid;
struct obd_export *mdt_qmt_exp;
/* quota master device associated with this MDT */
struct lu_device *mdt_qmt_dev;
+
+ struct coordinator mdt_coordinator;
+
+ /* inter-MDT connection count */
+ atomic_t mdt_mds_mds_conns;
+
+ /* MDT device async commit count, used for debug and sanity test */
+ atomic_t mdt_async_commit_count;
};
#define MDT_SERVICE_WATCHDOG_FACTOR (2)
-#define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID)
-#define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR | \
- OBD_INCOMPAT_FID | OBD_INCOMPAT_IAM_DIR | \
- OBD_INCOMPAT_LMM_VER | OBD_INCOMPAT_MULTI_OI)
#define MDT_COS_DEFAULT (0)
+enum mdt_object_flags {
+ /** lov object has been created. */
+ MOF_LOV_CREATED = 1 << 0,
+};
+
struct mdt_object {
- struct lu_object_header mot_header;
- struct md_object mot_obj;
- __u64 mot_ioepoch;
- __u64 mot_flags;
- int mot_ioepoch_count;
- int mot_writecount;
- /* Lock to protect object's IO epoch. */
- struct mutex mot_ioepoch_mutex;
+ struct lu_object_header mot_header;
+ struct lu_object mot_obj;
+ enum mdt_object_flags mot_flags;
+ int mot_write_count;
+ spinlock_t mot_write_lock;
/* Lock to protect create_data */
struct mutex mot_lov_mutex;
-};
-
-enum mdt_object_flags {
- /** SOM attributes are changed. */
- MOF_SOM_CHANGE = (1 << 0),
- /**
- * The SOM recovery state for mdt object.
- * This state is an in-memory equivalent of an absent SOM EA, used
- * instead of invalidating SOM EA while IOEpoch is still opened when
- * a client eviction occurs or a client fails to obtain SOM attributes.
- * It indicates that the last IOEpoch holder will need to obtain SOM
- * attributes under [0;EOF] extent lock to flush all the client's
- * cached of evicted from MDS clients (but not necessary evicted from
- * OST) before taking ost attributes.
- */
- MOF_SOM_RECOV = (1 << 1),
- /** File has been just created. */
- MOF_SOM_CREATED = (1 << 2),
- /** lov object has been created. */
- MOF_LOV_CREATED = (1 << 3),
+ /* Lock to protect lease open.
+ * Lease open acquires write lock; normal open acquires read lock */
+ struct rw_semaphore mot_open_sem;
+ atomic_t mot_lease_count;
+ atomic_t mot_open_count;
};
struct mdt_lock_handle {
- /* Lock type, reg for cross-ref use or pdo lock. */
- mdl_type_t mlh_type;
+ /* Lock type, reg for cross-ref use or pdo lock. */
+ mdl_type_t mlh_type;
+
+ /* Regular lock */
+ struct lustre_handle mlh_reg_lh;
+ enum ldlm_mode mlh_reg_mode;
- /* Regular lock */
- struct lustre_handle mlh_reg_lh;
- ldlm_mode_t mlh_reg_mode;
+ /* Pdirops lock */
+ struct lustre_handle mlh_pdo_lh;
+ enum ldlm_mode mlh_pdo_mode;
+ unsigned int mlh_pdo_hash;
- /* Pdirops lock */
- struct lustre_handle mlh_pdo_lh;
- ldlm_mode_t mlh_pdo_mode;
- unsigned int mlh_pdo_hash;
+ /* Remote regular lock */
+ struct lustre_handle mlh_rreg_lh;
+ enum ldlm_mode mlh_rreg_mode;
};
enum {
- MDT_LH_PARENT, /* parent lockh */
- MDT_LH_CHILD, /* child lockh */
- MDT_LH_OLD, /* old lockh for rename */
- MDT_LH_NEW, /* new lockh for rename */
- MDT_LH_RMT, /* used for return lh to caller */
- MDT_LH_NR
+ MDT_LH_PARENT, /* parent lockh */
+ MDT_LH_CHILD, /* child lockh */
+ MDT_LH_OLD, /* old lockh for rename */
+ MDT_LH_LAYOUT = MDT_LH_OLD, /* layout lock */
+ MDT_LH_NEW, /* new lockh for rename */
+ MDT_LH_RMT, /* used for return lh to caller */
+ MDT_LH_LOCAL, /* local lock never return to client */
+ MDT_LH_NR
};
enum {
MDT_CROSS_LOCK
};
+/* Special magical errno for communicaiton between mdt_reint_open()
+ * and mdt_intent_reint() which means return the lock to the client
+ * for subsequent cross ref open. Previously we used plain -EREMOTE
+ * but other functions called in that path might return it too and
+ * confuse us. This is not returned to the client. See LU-5370. */
+#define MDT_EREMOTE_OPEN (EREMOTE + 1024)
+
struct mdt_reint_record {
- mdt_reint_t rr_opcode;
- const struct lustre_handle *rr_handle;
- const struct lu_fid *rr_fid1;
- const struct lu_fid *rr_fid2;
- const char *rr_name;
- int rr_namelen;
- const char *rr_tgt;
- int rr_tgtlen;
- const void *rr_eadata;
- int rr_eadatalen;
- int rr_logcookielen;
- const struct llog_cookie *rr_logcookies;
- __u32 rr_flags;
+ mdt_reint_t rr_opcode;
+ const struct lustre_handle *rr_handle;
+ const struct lu_fid *rr_fid1;
+ const struct lu_fid *rr_fid2;
+ struct lu_name rr_name;
+ struct lu_name rr_tgt_name;
+ void *rr_eadata;
+ int rr_eadatalen;
+ __u32 rr_flags;
};
enum mdt_reint_flag {
struct mdt_device *mti_mdt;
const struct lu_env *mti_env;
- /*
- * Additional fail id that can be set by handler. Passed to
- * target_send_reply().
- */
- int mti_fail_id;
-
/* transaction number of current request */
__u64 mti_transno;
*/
struct mdt_reint_record mti_rr;
- /** md objects included in operation */
- struct mdt_object *mti_mos;
__u64 mti_ver[PTLRPC_NUM_VERSIONS];
/*
* Operation specification (currently create and lookup)
* They should be initialized explicitly by the user themselves.
*/
- /* XXX: If something is in a union, make sure they do not conflict */
-
- struct lu_fid mti_tmp_fid1;
- struct lu_fid mti_tmp_fid2;
- ldlm_policy_data_t mti_policy; /* for mdt_object_lock() and
- * mdt_rename_lock() */
- struct ldlm_res_id mti_res_id; /* for mdt_object_lock() and
- mdt_rename_lock() */
- union {
- struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
- char ns_name[48]; /* for mdt_init0() */
- struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
- struct obd_statfs osfs; /* for mdt_statfs() */
+ /* XXX: If something is in a union, make sure they do not conflict */
+ struct lu_fid mti_tmp_fid1;
+ struct lu_fid mti_tmp_fid2;
+ union ldlm_policy_data mti_policy; /* for mdt_object_lock() */
+ struct ldlm_res_id mti_res_id; /* and mdt_rename_lock() */
+ union {
+ struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
+ char ns_name[48];/* for mdt_init0() */
+ struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
+ struct obd_statfs osfs; /* for mdt_statfs() */
struct {
/* for mdt_readpage() */
struct lu_rdpg mti_rdpg;
/* for mdt_sendpage() */
struct l_wait_info mti_wait_info;
} rdpg;
- struct {
- struct md_attr attr;
- struct md_som_data data;
- } som;
+ struct {
+ struct md_attr attr;
+ } hsm;
} mti_u;
- /* IO epoch related stuff. */
- struct mdt_ioepoch *mti_ioepoch;
- __u64 mti_replayepoch;
-
- loff_t mti_off;
- struct lu_buf mti_buf;
- struct lustre_capa_key mti_capa_key;
+ struct lustre_handle mti_close_handle;
+ loff_t mti_off;
+ struct lu_buf mti_buf;
+ struct lu_buf mti_big_buf;
/* Ops object filename */
struct lu_name mti_name;
- /* per-thread values, can be re-used */
+ /* per-thread values, can be re-used, may be vmalloc'd */
void *mti_big_lmm;
int mti_big_lmmsize;
/* big_lmm buffer was used and must be used in reply */
int mti_big_lmm_used;
/* should be enough to fit lustre_mdt_attrs */
char mti_xattr_buf[128];
+ struct ldlm_enqueue_info mti_einfo;
+ struct tg_reply_data *mti_reply_data;
};
-/* 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;
+extern struct lu_context_key mdt_thread_key;
+
+static inline struct mdt_thread_info *mdt_th_info(const struct lu_env *env)
+{
+ struct mdt_thread_info *mti;
+
+ lu_env_refill((void *)env);
+ mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
+ LASSERT(mti);
+ return mti;
+}
+
+struct cdt_req_progress {
+ struct mutex crp_lock; /**< protect tree */
+ struct interval_node *crp_root; /**< tree to track extent
+ * moved */
+ struct interval_node **crp_node; /**< buffer for tree nodes
+ * vector of fixed size
+ * vectors */
+ int crp_cnt; /**< # of used nodes */
+ int crp_max; /**< # of allocated nodes */
};
-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 cdt_agent_req {
+ struct list_head car_request_list; /**< to chain all the req. */
+ atomic_t car_refcount; /**< reference counter */
+ __u64 car_compound_id; /**< compound id */
+ __u64 car_flags; /**< request original flags */
+ struct obd_uuid car_uuid; /**< agent doing the req. */
+ __u32 car_archive_id; /**< archive id */
+ int car_canceled; /**< request was canceled */
+ cfs_time_t car_req_start; /**< start time */
+ cfs_time_t car_req_update; /**< last update time */
+ struct hsm_action_item *car_hai; /**< req. to the agent */
+ struct cdt_req_progress car_progress; /**< track data mvt
+ * progress */
+};
+extern struct kmem_cache *mdt_hsm_car_kmem;
+
+struct hsm_agent {
+ struct list_head ha_list; /**< to chain the agents */
+ struct obd_uuid ha_uuid; /**< agent uuid */
+ __u32 *ha_archive_id; /**< archive id */
+ int ha_archive_cnt; /**< number of archive entries
+ * 0 means any archive */
+ atomic_t ha_requests; /**< current request count */
+ atomic_t ha_success; /**< number of successful
+ * actions */
+ atomic_t ha_failure; /**< number of failed actions */
};
-struct mdt_opc_slice {
- __u32 mos_opc_start;
- int mos_opc_end;
- struct mdt_handler *mos_hs;
+struct cdt_restore_handle {
+ struct list_head crh_list; /**< to chain the handle */
+ struct lu_fid crh_fid; /**< fid of the object */
+ struct ldlm_extent crh_extent; /**< extent of the restore */
+ struct mdt_lock_handle crh_lh; /**< lock handle */
};
+extern struct kmem_cache *mdt_hsm_cdt_kmem; /** restore handle slab cache */
static inline const struct md_device_operations *
mdt_child_ops(struct mdt_device * m)
static inline struct md_object *mdt_object_child(struct mdt_object *o)
{
- LASSERT(o);
- return lu2md(lu_object_next(&o->mot_obj.mo_lu));
+ LASSERT(o);
+ return lu2md(lu_object_next(&o->mot_obj));
}
static inline struct ptlrpc_request *mdt_info_req(struct mdt_thread_info *info)
return info->mti_pill ? info->mti_pill->rc_req : NULL;
}
-static inline int req_is_replay(struct ptlrpc_request *req)
-{
- LASSERT(req->rq_reqmsg);
- return !!(lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY);
-}
-
static inline __u64 mdt_conn_flags(struct mdt_thread_info *info)
{
- LASSERT(info->mti_exp);
- return info->mti_exp->exp_connect_flags;
+ LASSERT(info->mti_exp);
+ return exp_connect_flags(info->mti_exp);
}
static inline void mdt_object_get(const struct lu_env *env,
- struct mdt_object *o)
+ struct mdt_object *o)
{
- ENTRY;
- lu_object_get(&o->mot_obj.mo_lu);
- EXIT;
+ ENTRY;
+ lu_object_get(&o->mot_obj);
+ EXIT;
}
static inline void mdt_object_put(const struct lu_env *env,
- struct mdt_object *o)
+ struct mdt_object *o)
{
- ENTRY;
- lu_object_put(env, &o->mot_obj.mo_lu);
- EXIT;
+ ENTRY;
+ lu_object_put(env, &o->mot_obj);
+ EXIT;
}
static inline int mdt_object_exists(const struct mdt_object *o)
{
- return lu_object_exists(&o->mot_obj.mo_lu);
+ return lu_object_exists(&o->mot_obj);
}
-static inline const struct lu_fid *mdt_object_fid(const struct mdt_object *o)
+static inline int mdt_object_remote(const struct mdt_object *o)
{
- return lu_object_fid(&o->mot_obj.mo_lu);
+ return lu_object_remote(&o->mot_obj);
}
-static inline int mdt_object_obf(const struct mdt_object *o)
+static inline const struct lu_fid *mdt_object_fid(const struct mdt_object *o)
{
- return lu_fid_eq(mdt_object_fid(o), &LU_OBF_FID);
+ return lu_object_fid(&o->mot_obj);
}
static inline struct lu_site *mdt_lu_site(const struct mdt_device *mdt)
{
- return mdt->mdt_md_dev.md_lu_dev.ld_site;
+ return mdt->mdt_lu_dev.ld_site;
}
-static inline struct md_site *mdt_md_site(struct mdt_device *mdt)
+static inline struct seq_server_site *mdt_seq_site(struct mdt_device *mdt)
{
- return &mdt->mdt_mite;
+ return &mdt->mdt_seq_site;
}
static inline void mdt_export_evict(struct obd_export *exp)
{
class_fail_export(exp);
- class_export_put(exp);
}
-int mdt_get_disposition(struct ldlm_reply *rep, int flag);
+/* Here we use LVB_TYPE to check dne client, because it is
+ * also landed on 2.4. */
+static inline bool mdt_is_dne_client(struct obd_export *exp)
+{
+ return !!(exp_connect_flags(exp) & OBD_CONNECT_LVB_TYPE);
+}
+
+static inline bool mdt_is_striped_client(struct obd_export *exp)
+{
+ return exp_connect_flags(exp) & OBD_CONNECT_DIR_STRIPE;
+}
+
+__u64 mdt_get_disposition(struct ldlm_reply *rep, __u64 op_flag);
void mdt_set_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag);
+ struct ldlm_reply *rep, __u64 op_flag);
void mdt_clear_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag);
+ struct ldlm_reply *rep, __u64 op_flag);
+
+void mdt_lock_pdo_init(struct mdt_lock_handle *lh, enum ldlm_mode lock_mode,
+ const struct lu_name *lname);
+
+void mdt_lock_reg_init(struct mdt_lock_handle *lh, enum ldlm_mode lm);
-void mdt_lock_pdo_init(struct mdt_lock_handle *lh,
- ldlm_mode_t lm, const char *name,
- int namelen);
+int mdt_lock_setup(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh);
-void mdt_lock_reg_init(struct mdt_lock_handle *lh,
- ldlm_mode_t lm);
+int mdt_check_resent_lock(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lhc);
-int mdt_lock_setup(struct mdt_thread_info *info,
- struct mdt_object *o,
- struct mdt_lock_handle *lh);
+int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, __u64 ibits);
-int mdt_object_lock(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- __u64, int);
+int mdt_reint_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ bool cos_incompat);
-void mdt_object_unlock(struct mdt_thread_info *,
- struct mdt_object *,
- struct mdt_lock_handle *,
- int decref);
+int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, __u64 ibits);
-struct mdt_object *mdt_object_new(const struct lu_env *,
+int mdt_reint_object_lock_try(struct mdt_thread_info *info,
+ struct mdt_object *o, struct mdt_lock_handle *lh,
+ __u64 ibits, bool cos_incompat);
+
+void mdt_object_unlock(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct mdt_lock_handle *lh, int decref);
+
+struct mdt_object *mdt_object_new(const struct lu_env *env,
struct mdt_device *,
const struct lu_fid *);
struct mdt_object *mdt_object_find(const struct lu_env *,
void mdt_client_compatibility(struct mdt_thread_info *info);
+int mdt_remote_object_lock(struct mdt_thread_info *mti,
+ struct mdt_object *o, const struct lu_fid *fid,
+ struct lustre_handle *lh,
+ enum ldlm_mode mode, __u64 ibits, bool nonblock);
+
+enum mdt_name_flags {
+ MNF_FIX_ANON = 1,
+};
+
+int mdt_name_unpack(struct req_capsule *pill,
+ const struct req_msg_field *field,
+ struct lu_name *ln,
+ enum mdt_name_flags flags);
int mdt_close_unpack(struct mdt_thread_info *info);
int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op);
int mdt_reint_rec(struct mdt_thread_info *, struct mdt_lock_handle *);
+#ifdef CONFIG_FS_POSIX_ACL
+int mdt_pack_acl2body(struct mdt_thread_info *info, struct mdt_body *repbody,
+ struct mdt_object *o, struct lu_nodemap *nodemap);
+#endif
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
const struct lu_attr *attr, const struct lu_fid *fid);
struct obd_export *exp,
void *client_nid);
-int mdt_pin(struct mdt_thread_info* info);
-
int mdt_lock_new_child(struct mdt_thread_info *info,
struct mdt_object *o,
struct mdt_lock_handle *child_lockh);
void mdt_mfd_set_mode(struct mdt_file_data *mfd,
- int mode);
+ __u64 mode);
int mdt_reint_open(struct mdt_thread_info *info,
struct mdt_lock_handle *lhc);
-struct mdt_file_data *mdt_handle2mfd(struct mdt_thread_info *,
- const struct lustre_handle *);
-
-enum {
- MDT_IOEPOCH_CLOSED = 0,
- MDT_IOEPOCH_OPENED = 1,
- MDT_IOEPOCH_GETATTR = 2,
-};
-
-enum {
- MDT_SOM_DISABLE = 0,
- MDT_SOM_ENABLE = 1,
-};
+struct mdt_file_data *mdt_handle2mfd(struct mdt_export_data *med,
+ const struct lustre_handle *handle,
+ bool is_replay);
+int mdt_get_info(struct tgt_session_info *tsi);
int mdt_attr_get_complex(struct mdt_thread_info *info,
struct mdt_object *o, struct md_attr *ma);
-int mdt_ioepoch_open(struct mdt_thread_info *info, struct mdt_object *o,
- int created);
-int mdt_object_is_som_enabled(struct mdt_object *mo);
+int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o,
+ const char *name);
+int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name);
int mdt_write_get(struct mdt_object *o);
void mdt_write_put(struct mdt_object *o);
int mdt_write_read(struct mdt_object *o);
-struct mdt_file_data *mdt_mfd_new(void);
+struct mdt_file_data *mdt_mfd_new(const struct mdt_export_data *med);
int mdt_mfd_close(struct mdt_thread_info *info, struct mdt_file_data *mfd);
void mdt_mfd_free(struct mdt_file_data *mfd);
-int mdt_close(struct mdt_thread_info *info);
-int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
- struct md_attr *ma, int flags);
-int mdt_done_writing(struct mdt_thread_info *info);
+int mdt_close(struct tgt_session_info *tsi);
+int mdt_add_dirty_flag(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct md_attr *ma);
int mdt_fix_reply(struct mdt_thread_info *info);
int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *,
const struct md_attr *);
const struct lu_buf *mdt_buf_const(const struct lu_env *env,
const void *area, ssize_t len);
-void mdt_dump_lmm(int level, const struct lov_mds_md *lmm);
+void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid);
+void mdt_dump_lmv(unsigned int level, const union lmv_mds_md *lmv);
+bool allow_client_chgrp(struct mdt_thread_info *info, struct lu_ucred *uc);
int mdt_check_ucred(struct mdt_thread_info *);
int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
+int mdt_init_ucred_intent_getattr(struct mdt_thread_info *, struct mdt_body *);
int mdt_init_ucred_reint(struct mdt_thread_info *);
void mdt_exit_ucred(struct mdt_thread_info *);
int mdt_version_get_check(struct mdt_thread_info *, struct mdt_object *, int);
void mdt_version_get_save(struct mdt_thread_info *, struct mdt_object *, int);
int mdt_version_get_check_save(struct mdt_thread_info *, struct mdt_object *,
int);
-int mdt_handle_common(struct ptlrpc_request *req,
- struct mdt_opc_slice *supported);
-int mdt_connect(struct mdt_thread_info *info);
-int mdt_disconnect(struct mdt_thread_info *info);
-int mdt_set_info(struct mdt_thread_info *info);
-int mdt_get_info(struct mdt_thread_info *info);
-int mdt_getstatus(struct mdt_thread_info *info);
-int mdt_getattr(struct mdt_thread_info *info);
-int mdt_getattr_name(struct mdt_thread_info *info);
-int mdt_statfs(struct mdt_thread_info *info);
-int mdt_reint(struct mdt_thread_info *info);
-int mdt_sync(struct mdt_thread_info *info);
-int mdt_is_subdir(struct mdt_thread_info *info);
-int mdt_obd_ping(struct mdt_thread_info *info);
-int mdt_obd_log_cancel(struct mdt_thread_info *info);
-int mdt_obd_qc_callback(struct mdt_thread_info *info);
-int mdt_enqueue(struct mdt_thread_info *info);
-int mdt_convert(struct mdt_thread_info *info);
-int mdt_bl_callback(struct mdt_thread_info *info);
-int mdt_cp_callback(struct mdt_thread_info *info);
-int mdt_llog_create(struct mdt_thread_info *info);
-int mdt_llog_destroy(struct mdt_thread_info *info);
-int mdt_llog_read_header(struct mdt_thread_info *info);
-int mdt_llog_next_block(struct mdt_thread_info *info);
-int mdt_llog_prev_block(struct mdt_thread_info *info);
-int mdt_sec_ctx_handle(struct mdt_thread_info *info);
-int mdt_readpage(struct mdt_thread_info *info);
-int mdt_obd_idx_read(struct mdt_thread_info *info);
-
-extern struct mdt_opc_slice mdt_regular_handlers[];
-extern struct mdt_opc_slice mdt_seq_handlers[];
-extern struct mdt_opc_slice mdt_fld_handlers[];
-
-int mdt_quotacheck(struct mdt_thread_info *info);
-int mdt_quotactl(struct mdt_thread_info *info);
-int mdt_quota_dqacq(struct mdt_thread_info *info);
-
-extern struct lprocfs_vars lprocfs_mds_module_vars[];
-extern struct lprocfs_vars lprocfs_mds_obd_vars[];
-
+void mdt_thread_info_init(struct ptlrpc_request *req,
+ struct mdt_thread_info *mti);
+void mdt_thread_info_fini(struct mdt_thread_info *mti);
+struct mdt_thread_info *tsi2mdt_info(struct tgt_session_info *tsi);
+
+int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
+ const struct md_hsm *mh);
+
+int mdt_remote_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
+ void *data, int flag);
+int mdt_links_read(struct mdt_thread_info *info,
+ struct mdt_object *mdt_obj,
+ struct linkea_data *ldata);
+int mdt_close_internal(struct mdt_thread_info *info, struct ptlrpc_request *req,
+ struct mdt_body *repbody);
/* mdt_idmap.c */
-int mdt_init_sec_level(struct mdt_thread_info *);
-int mdt_init_idmap(struct mdt_thread_info *);
+int mdt_init_idmap(struct tgt_session_info *tsi);
void mdt_cleanup_idmap(struct mdt_export_data *);
-int mdt_handle_idmap(struct mdt_thread_info *);
+int mdt_handle_idmap(struct tgt_session_info *tsi);
int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *,
struct ptlrpc_user_desc *);
void mdt_body_reverse_idmap(struct mdt_thread_info *,
static inline struct mdt_device *mdt_dev(struct lu_device *d)
{
-// LASSERT(lu_device_is_mdt(d));
- return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev);
+ return container_of0(d, struct mdt_device, mdt_lu_dev);
+}
+
+static inline struct mdt_object *mdt_obj(struct lu_object *o)
+{
+ return container_of0(o, struct mdt_object, mot_obj);
}
static inline struct dt_object *mdt_obj2dt(struct mdt_object *mo)
{
- struct lu_object *lo;
- struct mdt_device *mdt = mdt_dev(mo->mot_obj.mo_lu.lo_dev);
+ struct lu_object *lo;
+ struct mdt_device *mdt = mdt_dev(mo->mot_obj.lo_dev);
+
+ lo = lu_object_locate(mo->mot_obj.lo_header,
+ mdt->mdt_bottom->dd_lu_dev.ld_type);
- lo = lu_object_locate(mo->mot_obj.mo_lu.lo_header,
- mdt->mdt_bottom->dd_lu_dev.ld_type);
- return lu2dt(lo);
+ return lu2dt(lo);
}
/* mdt/mdt_identity.c */
int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
+/* mdt/mdt_recovery.c */
+__u64 mdt_req_from_lrd(struct ptlrpc_request *req, struct tg_reply_data *trd);
+
+/* mdt/mdt_hsm.c */
+int mdt_hsm_state_get(struct tgt_session_info *tsi);
+int mdt_hsm_state_set(struct tgt_session_info *tsi);
+int mdt_hsm_action(struct tgt_session_info *tsi);
+int mdt_hsm_progress(struct tgt_session_info *tsi);
+int mdt_hsm_ct_register(struct tgt_session_info *tsi);
+int mdt_hsm_ct_unregister(struct tgt_session_info *tsi);
+int mdt_hsm_request(struct tgt_session_info *tsi);
+
+/* mdt/mdt_hsm_cdt_actions.c */
+extern const struct file_operations mdt_hsm_actions_fops;
+void dump_llog_agent_req_rec(const char *prefix,
+ const struct llog_agent_req_rec *larr);
+int cdt_llog_process(const struct lu_env *env, struct mdt_device *mdt,
+ llog_cb_t cb, void *data);
+int mdt_agent_record_add(const struct lu_env *env, struct mdt_device *mdt,
+ __u64 compound_id, __u32 archive_id,
+ __u64 flags, struct hsm_action_item *hai);
+int mdt_agent_record_update(const struct lu_env *env,
+ struct mdt_device *mdt, __u64 *cookies,
+ int cookies_count, enum agent_req_status status);
+
+/* mdt/mdt_hsm_cdt_agent.c */
+extern const struct file_operations mdt_hsm_agent_fops;
+int mdt_hsm_agent_register(struct mdt_thread_info *info,
+ const struct obd_uuid *uuid,
+ int nr_archives, __u32 *archive_num);
+int mdt_hsm_agent_register_mask(struct mdt_thread_info *info,
+ const struct obd_uuid *uuid,
+ __u32 archive_mask);
+int mdt_hsm_agent_unregister(struct mdt_thread_info *info,
+ const struct obd_uuid *uuid);
+int mdt_hsm_agent_update_statistics(struct coordinator *cdt,
+ int succ_rq, int fail_rq, int new_rq,
+ const struct obd_uuid *uuid);
+int mdt_hsm_find_best_agent(struct coordinator *cdt, __u32 archive,
+ struct obd_uuid *uuid);
+int mdt_hsm_agent_send(struct mdt_thread_info *mti, struct hsm_action_list *hal,
+ bool purge);
+int mdt_hsm_coordinator_update(struct mdt_thread_info *mti,
+ struct hsm_progress_kernel *pgs);
+/* mdt/mdt_hsm_cdt_client.c */
+int mdt_hsm_add_actions(struct mdt_thread_info *info,
+ struct hsm_action_list *hal, __u64 *compound_id);
+int mdt_hsm_get_actions(struct mdt_thread_info *mti,
+ struct hsm_action_list *hal);
+int mdt_hsm_get_running(struct mdt_thread_info *mti,
+ struct hsm_action_list *hal);
+bool mdt_hsm_restore_is_running(struct mdt_thread_info *mti,
+ const struct lu_fid *fid);
+/* mdt/mdt_hsm_cdt_requests.c */
+extern const struct file_operations mdt_hsm_active_requests_fops;
+void dump_requests(char *prefix, struct coordinator *cdt);
+struct cdt_agent_req *mdt_cdt_alloc_request(__u64 compound_id, __u32 archive_id,
+ __u64 flags, struct obd_uuid *uuid,
+ struct hsm_action_item *hai);
+void mdt_cdt_free_request(struct cdt_agent_req *car);
+int mdt_cdt_add_request(struct coordinator *cdt, struct cdt_agent_req *new_car);
+struct cdt_agent_req *mdt_cdt_find_request(struct coordinator *cdt,
+ const __u64 cookie,
+ const struct lu_fid *fid);
+void mdt_cdt_get_work_done(struct cdt_agent_req *car, __u64 *done_sz);
+void mdt_cdt_get_request(struct cdt_agent_req *car);
+void mdt_cdt_put_request(struct cdt_agent_req *car);
+struct cdt_agent_req *mdt_cdt_update_request(struct coordinator *cdt,
+ const struct hsm_progress_kernel *pgs);
+int mdt_cdt_remove_request(struct coordinator *cdt, __u64 cookie);
+/* mdt/mdt_coordinator.c */
+void mdt_hsm_dump_hal(int level, const char *prefix,
+ struct hsm_action_list *hal);
+/* coordinator management */
+int mdt_hsm_cdt_init(struct mdt_device *mdt);
+int mdt_hsm_cdt_start(struct mdt_device *mdt);
+int mdt_hsm_cdt_stop(struct mdt_device *mdt);
+int mdt_hsm_cdt_fini(struct mdt_device *mdt);
+int mdt_hsm_cdt_wakeup(struct mdt_device *mdt);
+
+/* coordinator control /proc interface */
+ssize_t mdt_hsm_cdt_control_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off);
+int mdt_hsm_cdt_control_seq_show(struct seq_file *m, void *data);
+int hsm_cdt_procfs_init(struct mdt_device *mdt);
+void hsm_cdt_procfs_fini(struct mdt_device *mdt);
+struct lprocfs_vars *hsm_cdt_get_proc_vars(void);
+/* md_hsm helpers */
+struct mdt_object *mdt_hsm_get_md_hsm(struct mdt_thread_info *mti,
+ const struct lu_fid *fid,
+ struct md_hsm *hsm);
+/* actions/request helpers */
+int mdt_hsm_add_hal(struct mdt_thread_info *mti,
+ struct hsm_action_list *hal, struct obd_uuid *uuid);
+bool mdt_hsm_is_action_compat(const struct hsm_action_item *hai,
+ const int hal_an, const __u64 rq_flags,
+ const struct md_hsm *hsm);
+int mdt_hsm_update_request_state(struct mdt_thread_info *mti,
+ struct hsm_progress_kernel *pgs,
+ const int update_record);
+
+int mdt_close_swap_layouts(struct mdt_thread_info *info,
+ struct mdt_object *o, struct md_attr *ma);
+
extern struct lu_context_key mdt_thread_key;
+
/* debug issues helper starts here*/
static inline int mdt_fail_write(const struct lu_env *env,
struct dt_device *dd, int id)
static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req)
{
- return &req->rq_export->exp_mdt_data;
+ return &req->rq_export->exp_mdt_data;
+}
+
+static inline struct mdt_device *mdt_exp2dev(struct obd_export *exp)
+{
+ return mdt_dev(exp->exp_obd->obd_lu_dev);
}
typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti,
mdt_reconstruct_t reconstruct,
struct mdt_lock_handle *lhc)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- ENTRY;
-
- if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
- if (req_xid_is_last(req)) {
- reconstruct(info, lhc);
- RETURN(1);
- }
- DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
- req->rq_export->exp_target_data.ted_lcd->lcd_last_xid);
- }
- RETURN(0);
+ struct ptlrpc_request *req = mdt_info_req(info);
+ int rc = 0;
+ ENTRY;
+
+ if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
+ OBD_ALLOC_PTR(info->mti_reply_data);
+ if (info->mti_reply_data == NULL)
+ RETURN(-ENOMEM);
+
+ if (req_can_reconstruct(req, info->mti_reply_data)) {
+ reconstruct(info, lhc);
+ rc = 1;
+ } else {
+ DEBUG_REQ(D_HA, req,
+ "no reply data found for RESENT req");
+ rc = 0;
+ }
+ OBD_FREE_PTR(info->mti_reply_data);
+ info->mti_reply_data = NULL;
+ }
+ RETURN(rc);
}
struct lu_ucred *mdt_ucred(const struct mdt_thread_info *info);
/* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */
static inline int mdt_fid_lock(struct ldlm_namespace *ns,
- struct lustre_handle *lh,
- ldlm_mode_t mode,
- ldlm_policy_data_t *policy,
- const struct ldlm_res_id *res_id,
+ struct lustre_handle *lh, enum ldlm_mode mode,
+ union ldlm_policy_data *policy,
+ const struct ldlm_res_id *res_id,
__u64 flags, const __u64 *client_cookie)
{
- int rc;
+ int rc;
- LASSERT(ns != NULL);
- LASSERT(lh != NULL);
+ LASSERT(ns != NULL);
+ LASSERT(lh != NULL);
- rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
- mode, &flags, mdt_blocking_ast,
- ldlm_completion_ast, NULL, NULL, 0,
+ rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
+ mode, &flags, mdt_blocking_ast,
+ ldlm_completion_ast, NULL, NULL, 0,
LVB_T_NONE, client_cookie, lh);
- return rc == ELDLM_OK ? 0 : -EIO;
+ return rc == ELDLM_OK ? 0 : -EIO;
+}
+
+static inline void mdt_fid_unlock(struct lustre_handle *lh, enum ldlm_mode mode)
+{
+ ldlm_lock_decref(lh, mode);
}
-static inline void mdt_fid_unlock(struct lustre_handle *lh,
- ldlm_mode_t mode)
+static inline bool mdt_slc_is_enabled(struct mdt_device *mdt)
{
- ldlm_lock_decref(lh, mode);
+ return mdt->mdt_lut.lut_sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL;
}
extern mdl_mode_t mdt_mdl_lock_modes[];
-extern ldlm_mode_t mdt_dlm_lock_modes[];
+extern enum ldlm_mode mdt_dlm_lock_modes[];
-static inline mdl_mode_t mdt_dlm_mode2mdl_mode(ldlm_mode_t mode)
+static inline mdl_mode_t mdt_dlm_mode2mdl_mode(enum ldlm_mode mode)
{
- LASSERT(IS_PO2(mode));
- return mdt_mdl_lock_modes[mode];
+ LASSERT(IS_PO2(mode));
+ return mdt_mdl_lock_modes[mode];
}
-static inline ldlm_mode_t mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
+static inline enum ldlm_mode mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
{
- LASSERT(IS_PO2(mode));
- return mdt_dlm_lock_modes[mode];
+ LASSERT(IS_PO2(mode));
+ return mdt_dlm_lock_modes[mode];
}
/* mdt_lvb.c */
extern struct ldlm_valblock_ops mdt_lvbo;
-static inline struct lu_name *mdt_name(const struct lu_env *env,
- char *name, int namelen)
-{
- struct lu_name *lname;
- struct mdt_thread_info *mti;
-
- LASSERT(namelen > 0);
- /* trailing '\0' in buffer */
- LASSERT(name[namelen] == '\0');
-
- mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- lname = &mti->mti_name;
- lname->ln_name = name;
- lname->ln_namelen = namelen;
- return lname;
-}
-
-static inline struct lu_name *mdt_name_copy(struct lu_name *tlname,
- struct lu_name *slname)
-{
- LASSERT(tlname);
- LASSERT(slname);
-
- tlname->ln_name = slname->ln_name;
- tlname->ln_namelen = slname->ln_namelen;
- return tlname;
-}
-
void mdt_enable_cos(struct mdt_device *, int);
int mdt_cos_is_enabled(struct mdt_device *);
-int mdt_hsm_copytool_send(struct obd_export *exp);
/* lprocfs stuff */
enum {
};
void mdt_counter_incr(struct ptlrpc_request *req, int opcode);
void mdt_stats_counter_init(struct lprocfs_stats *stats);
-void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars);
-void lprocfs_mds_init_vars(struct lprocfs_static_vars *lvars);
int mdt_procfs_init(struct mdt_device *mdt, const char *name);
-int mdt_procfs_fini(struct mdt_device *mdt);
+void mdt_procfs_fini(struct mdt_device *mdt);
+
+/* lustre/mdt_mdt_lproc.c */
+int lprocfs_mdt_open_files_seq_open(struct inode *inode,
+ struct file *file);
void mdt_rename_counter_tally(struct mdt_thread_info *info,
struct mdt_device *mdt,
struct ptlrpc_request *req,
struct mdt_object *src, struct mdt_object *tgt);
-void mdt_time_start(const struct mdt_thread_info *info);
-void mdt_time_end(const struct mdt_thread_info *info, int idx);
-
-/* Capability */
-int mdt_ck_thread_start(struct mdt_device *mdt);
-void mdt_ck_thread_stop(struct mdt_device *mdt);
-void mdt_ck_timer_callback(unsigned long castmeharder);
-int mdt_capa_keys_init(const struct lu_env *env, struct mdt_device *mdt);
-
-static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
- const struct lu_fid *fid,
- struct lustre_capa *capa)
-{
- struct md_capainfo *ci;
-
- LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
- if (!info->mti_mdt->mdt_opts.mo_mds_capa ||
- !(info->mti_exp->exp_connect_flags & OBD_CONNECT_MDS_CAPA))
- return;
-
- ci = md_capainfo(info->mti_env);
- LASSERT(ci);
- ci->mc_fid[offset] = *fid;
- ci->mc_capa[offset] = capa;
-}
-
-static inline void mdt_dump_capainfo(struct mdt_thread_info *info)
-{
- struct md_capainfo *ci = md_capainfo(info->mti_env);
- int i;
-
- if (!ci)
- return;
- for (i = 0; i < MD_CAPAINFO_MAX; i++) {
- if (!ci->mc_capa[i]) {
- CERROR("no capa for index %d "DFID"\n",
- i, PFID(&ci->mc_fid[i]));
- continue;
- }
- if (ci->mc_capa[i] == BYPASS_CAPA) {
- CERROR("bypass for index %d "DFID"\n",
- i, PFID(&ci->mc_fid[i]));
- continue;
- }
- DEBUG_CAPA(D_ERROR, ci->mc_capa[i], "index %d", i);
- }
-}
-
static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt)
{
- return mdt->mdt_md_dev.md_lu_dev.ld_obd;
+ return mdt->mdt_lu_dev.ld_obd;
}
extern const struct lu_device_operations mdt_lu_ops;
-static inline int lu_device_is_mdt(struct lu_device *d)
-{
- return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdt_lu_ops);
-}
-
-static inline struct mdt_device *lu2mdt_dev(struct lu_device *d)
-{
- LASSERTF(lu_device_is_mdt(d), "It is %s instead of MDT %p %p\n",
- d->ld_type->ldt_name, d->ld_ops, &mdt_lu_ops);
- return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev);
-}
-
static inline char *mdt_obd_name(struct mdt_device *mdt)
{
- return mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name;
+ return mdt->mdt_lu_dev.ld_obd->obd_name;
}
int mds_mod_init(void);
void mds_mod_exit(void);
-#endif /* __KERNEL__ */
-#endif /* _MDT_H */
+static inline char *mdt_req_get_jobid(struct ptlrpc_request *req)
+{
+ struct obd_export *exp = req->rq_export;
+ char *jobid = NULL;
+
+ if (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS)
+ jobid = lustre_msg_get_jobid(req->rq_reqmsg);
+
+ return jobid;
+}
+
+#endif /* _MDT_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff