-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011 Whamcloud, Inc.
- *
+ * Copyright (c) 2011, 2014, 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 <libcfs/lucache.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>
+#include <lustre_linkea.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 mdt_object;
+
/* file data for open files on MDS */
struct mdt_file_data {
- struct portals_handle mfd_handle; /* must be first */
- 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 */
- int mfd_mode; /* open mode provided by client */
- 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 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 ptlrpc_client *mdt_ldlm_client;
/* underlying device */
+ struct obd_export *mdt_child_exp;
struct md_device *mdt_child;
struct dt_device *mdt_bottom;
+ 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_coordinator:1;
+ } mdt_opts;
/* mdt state flags */
unsigned long mdt_state;
/* lock to protect IOepoch */
- cfs_spinlock_t mdt_ioepoch_lock;
+ spinlock_t mdt_ioepoch_lock;
__u64 mdt_ioepoch;
/* transaction callbacks */
/* 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 */
- cfs_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;
+ /* 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;
+ struct timer_list 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,
+ /* Enable remote dir on non-MDT0 */
+ mdt_enable_remote_dir: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;
- cfs_rw_semaphore_t 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;
+
+ /* connection to quota master */
+ struct obd_export *mdt_qmt_exp;
+ /* quota master device associated with this MDT */
+ struct lu_device *mdt_qmt_dev;
+
+ struct coordinator mdt_coordinator;
};
-#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_SERVICE_WATCHDOG_FACTOR (2)
#define MDT_COS_DEFAULT (0)
struct mdt_object {
- struct lu_object_header mot_header;
- struct md_object mot_obj;
+ struct lu_object_header mot_header;
+ struct lu_object mot_obj;
__u64 mot_ioepoch;
__u64 mot_flags;
int mot_ioepoch_count;
int mot_writecount;
/* Lock to protect object's IO epoch. */
- cfs_semaphore_t mot_ioepoch_sem;
+ struct mutex mot_ioepoch_mutex;
/* Lock to protect create_data */
- cfs_semaphore_t mot_lov_sem;
+ struct mutex mot_lov_mutex;
+ /* 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;
};
enum mdt_object_flags {
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;
+ ldlm_mode_t 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;
const struct ldlm_request *mti_dlm_req;
__u32 mti_has_trans:1, /* has txn already? */
- mti_no_need_trans:1,
mti_cross_ref:1;
/* opdata for mdt_reint_open(), has the same as
*/
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)
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() */
- cfs_kstatfs_t ksfs; /* for mdt_statfs() */
+ struct obd_statfs osfs; /* for mdt_statfs() */
struct {
/* for mdt_readpage() */
struct lu_rdpg mti_rdpg;
struct mdt_ioepoch *mti_ioepoch;
__u64 mti_replayepoch;
- /* server and client data buffers */
- struct lr_server_data mti_lsd;
- struct lsd_client_data mti_lcd;
- loff_t mti_off;
- struct lu_buf mti_buf;
- struct lustre_capa_key mti_capa_key;
+ loff_t mti_off;
+ struct lu_buf mti_buf;
+ struct lu_buf mti_big_buf;
+ struct lustre_capa_key mti_capa_key;
/* Ops object filename */
struct lu_name mti_name;
- struct md_attr mti_tmp_attr;
+ /* per-thread values, can be re-used */
+ 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;
};
-typedef void (*mdt_cb_t)(const struct mdt_device *mdt, __u64 transno,
- void *data, int err);
-struct mdt_commit_cb {
- mdt_cb_t mdt_cb_func;
- void *mdt_cb_data;
+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_txn_op {
- MDT_TXN_CAPA_KEYS_WRITE_OP,
- MDT_TXN_LAST_RCVD_WRITE_OP,
+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 */
};
-enum mdt_obj_exist{
- MDT_OBJ_MUST_EXIST,
- MDT_OBJ_MAY_NOT_EXIST,
+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(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 const struct lu_fid *mdt_object_fid(const struct mdt_object *o)
+{
+ 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(const struct mdt_device *mdt)
+static inline struct seq_server_site *mdt_seq_site(struct mdt_device *mdt)
{
- return lu_site2md(mdt_lu_site(mdt));
+ return &mdt->mdt_seq_site;
}
static inline void mdt_export_evict(struct obd_export *exp)
class_export_put(exp);
}
-static inline const char *mdt_obj_dev_name(const struct mdt_object *obj)
+/* 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 lu_dev_name(obj->mot_obj.mo_lu.lo_dev);
+ return exp_connect_flags(exp) & OBD_CONNECT_DIR_STRIPE;
}
int mdt_get_disposition(struct ldlm_reply *rep, int flag);
struct ldlm_reply *rep, int flag);
void mdt_lock_pdo_init(struct mdt_lock_handle *lh,
- ldlm_mode_t lm, const char *name,
- int namelen);
+ ldlm_mode_t lock_mode,
+ const struct lu_name *lname);
void mdt_lock_reg_init(struct mdt_lock_handle *lh,
ldlm_mode_t lm);
struct mdt_object *o,
struct mdt_lock_handle *lh);
+int mdt_check_resent_lock(struct mdt_thread_info *info,
+ struct mdt_object *mo,
+ struct mdt_lock_handle *lhc);
+
int mdt_object_lock(struct mdt_thread_info *,
struct mdt_object *,
struct mdt_lock_handle *,
__u64, int);
+int mdt_object_lock_try(struct mdt_thread_info *,
+ struct mdt_object *,
+ struct mdt_lock_handle *,
+ __u64, int);
+
void mdt_object_unlock(struct mdt_thread_info *,
struct mdt_object *,
struct mdt_lock_handle *,
int decref);
+struct mdt_object *mdt_object_new(const struct lu_env *,
+ struct mdt_device *,
+ const struct lu_fid *);
struct mdt_object *mdt_object_find(const struct lu_env *,
struct mdt_device *,
- const struct lu_fid *,
- enum mdt_obj_exist check_exist);
+ const struct lu_fid *);
struct mdt_object *mdt_object_find_lock(struct mdt_thread_info *,
const struct lu_fid *,
struct mdt_lock_handle *,
- __u64 ibits,
- enum mdt_obj_exist check_exist);
+ __u64);
void mdt_object_unlock_put(struct mdt_thread_info *,
struct mdt_object *,
struct mdt_lock_handle *,
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,
+ ldlm_mode_t mode, __u64 ibits);
+
+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_device *, struct lustre_sb_info *lsi);
void mdt_fs_cleanup(const struct lu_env *, struct mdt_device *);
-int mdt_client_del(const struct lu_env *env,
- struct mdt_device *mdt);
-int mdt_client_add(const struct lu_env *env,
- struct mdt_device *mdt,
- int cl_idx);
-int mdt_client_new(const struct lu_env *env,
- struct mdt_device *mdt);
-
int mdt_export_stats_init(struct obd_device *obd,
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 *);
+struct mdt_file_data *mdt_handle2mfd(struct mdt_export_data *med,
+ const struct lustre_handle *handle,
+ bool is_replay);
enum {
MDT_IOEPOCH_CLOSED = 0,
MDT_SOM_ENABLE = 1,
};
+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_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_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_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);
-void mdt_shrink_reply(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_done_writing(struct tgt_session_info *tsi);
+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 *);
void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *);
-struct thandle *mdt_trans_create(const struct lu_env *env,
- struct mdt_device *mdt);
-int mdt_trans_start(const struct lu_env *env, struct mdt_device *mdt,
- struct thandle *th);
-void mdt_trans_stop(const struct lu_env *env,
- struct mdt_device *mdt, struct thandle *th);
-int mdt_record_write(const struct lu_env *env,
- struct dt_object *dt, const struct lu_buf *buf,
- loff_t *pos, struct thandle *th);
-int mdt_record_read(const struct lu_env *env,
- struct dt_object *dt, struct lu_buf *buf, loff_t *pos);
-
struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
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);
int mdt_check_ucred(struct mdt_thread_info *);
int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
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);
-
+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);
/* 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.mo_lu.lo_header,
- mdt->mdt_bottom->dd_lu_dev.ld_type);
- return lu2dt(lo);
+ lo = lu_object_locate(mo->mot_obj.lo_header,
+ mdt->mdt_bottom->dd_lu_dev.ld_type);
+
+ return lu2dt(lo);
}
/* mdt/mdt_identity.c */
int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
+/* mdt/mdt_recovery.c */
+void mdt_req_from_lcd(struct ptlrpc_request *req, struct lsd_client_data *lcd);
+
+/* 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);
+int mdt_agent_llog_update_rec(const struct lu_env *env, struct mdt_device *mdt,
+ struct llog_handle *llh,
+ struct llog_agent_req_rec *larr);
+
+/* 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 *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_seq_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);
+
extern struct lu_context_key mdt_thread_key;
+
/* debug issues helper starts here*/
-static inline void mdt_fail_write(const struct lu_env *env,
- struct dt_device *dd, int id)
+static inline int mdt_fail_write(const struct lu_env *env,
+ struct dt_device *dd, int id)
{
if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n",
id);
- dd->dd_ops->dt_ro(env, dd);
+ return dd->dd_ops->dt_ro(env, dd);
/* We set FAIL_ONCE because we never "un-fail" a device */
}
+
+ return 0;
}
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,
RETURN(0);
}
-struct md_ucred *mdt_ucred(const struct mdt_thread_info *info);
+struct lu_ucred *mdt_ucred(const struct mdt_thread_info *info);
+struct lu_ucred *mdt_ucred_check(const struct mdt_thread_info *info);
static inline int is_identity_get_disabled(struct upcall_cache *cache)
{
ldlm_mode_t mode,
ldlm_policy_data_t *policy,
const struct ldlm_res_id *res_id,
- int flags, const __u64 *client_cookie)
+ __u64 flags, const __u64 *client_cookie)
{
int rc;
rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
mode, &flags, mdt_blocking_ast,
ldlm_completion_ast, NULL, NULL, 0,
- client_cookie, lh);
+ LVB_T_NONE, client_cookie, lh);
return rc == ELDLM_OK ? 0 : -EIO;
}
return mdt_dlm_lock_modes[mode];
}
-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;
-}
+/* mdt_lvb.c */
+extern struct ldlm_valblock_ops mdt_lvbo;
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 {
LPROC_MDT_CROSSDIR_RENAME,
LPROC_MDT_LAST,
};
-void mdt_counter_incr(struct obd_export *exp, int opcode);
+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);
int mdt_procfs_init(struct mdt_device *mdt, const char *name);
-int mdt_procfs_fini(struct mdt_device *mdt);
-void mdt_rename_counter_tally(struct mdt_thread_info *info,
- struct mdt_device *mdt, struct obd_export *exp,
- struct mdt_object *src, struct mdt_object *tgt);
+void mdt_procfs_fini(struct mdt_device *mdt);
-void mdt_time_start(const struct mdt_thread_info *info);
-void mdt_time_end(const struct mdt_thread_info *info, int idx);
+/* 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);
/* 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);
+void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
+ const struct lu_fid *fid, struct lustre_capa *capa);
+void mdt_dump_capainfo(struct mdt_thread_info *info);
-static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
- const struct lu_fid *fid,
- struct lustre_capa *capa)
+static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt)
{
- 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;
+ return mdt->mdt_lu_dev.ld_obd;
}
-static inline void mdt_dump_capainfo(struct mdt_thread_info *info)
+extern const struct lu_device_operations mdt_lu_ops;
+
+static inline char *mdt_obd_name(struct mdt_device *mdt)
{
- 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_fid[i])
- continue;
- 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);
- }
+ return mdt->mdt_lu_dev.ld_obd->obd_name;
}
-static inline struct obd_device *mdt2obd_dev(const struct mdt_device *mdt)
+int mds_mod_init(void);
+void mds_mod_exit(void);
+
+static inline char *mdt_req_get_jobid(struct ptlrpc_request *req)
{
- return mdt->mdt_md_dev.md_lu_dev.ld_obd;
+ 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 /* __KERNEL__ */
-#endif /* _MDT_H */
+
+#endif /* _MDT_INTERNAL_H */