-/* -*- 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, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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)
/* 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 */
- int mfd_mode; /* open mode provided by client */
struct mdt_object *mfd_object; /* point to opened object */
};
struct mdt_device {
/* super-class */
struct md_device mdt_md_dev;
+ struct seq_server_site mdt_seq_site;
struct ptlrpc_service *mdt_regular_service;
struct ptlrpc_service *mdt_readpage_service;
- struct ptlrpc_service *mdt_xmds_service;
+ struct ptlrpc_service *mdt_out_service;
struct ptlrpc_service *mdt_setattr_service;
struct ptlrpc_service *mdt_mdsc_service;
struct ptlrpc_service *mdt_mdss_service;
/* 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;
/*
/* 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 */
struct upcall_cache *mdt_identity_cache;
/* sptlrpc rules */
- cfs_rwlock_t mdt_sptlrpc_lock;
+ rwlock_t mdt_sptlrpc_lock;
struct sptlrpc_rule_set mdt_sptlrpc_rset;
/* capability keys */
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,
+ mdt_som_conf:1,
+ mdt_enable_remote_dir:1;
+
+ /* 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;
cfs_list_t mdt_nosquash_nids;
char *mdt_nosquash_str;
int mdt_nosquash_strlen;
- cfs_rw_semaphore_t mdt_squash_sem;
+ struct rw_semaphore mdt_squash_sem;
- cfs_proc_dir_entry_t *mdt_proc_entry;
- struct lprocfs_stats *mdt_stats;
int mdt_sec_level;
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;
};
-#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_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)
struct mdt_object {
int mot_ioepoch_count;
int mot_writecount;
/* Lock to protect object's IO epoch. */
- cfs_mutex_t mot_ioepoch_mutex;
+ struct mutex mot_ioepoch_mutex;
/* Lock to protect create_data */
- cfs_mutex_t mot_lov_mutex;
+ struct mutex mot_lov_mutex;
};
enum mdt_object_flags {
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_NR
MRF_OPEN_TRUNC = 1 << 0,
};
+struct mdt_thread_info;
+struct tx_arg;
+typedef int (*tx_exec_func_t)(struct mdt_thread_info *, struct thandle *,
+ struct tx_arg *);
+
+struct tx_arg {
+ tx_exec_func_t exec_fn;
+ tx_exec_func_t undo_fn;
+ struct dt_object *object;
+ char *file;
+ int line;
+ struct update_reply *reply;
+ int index;
+ union {
+ struct {
+ const struct dt_rec *rec;
+ const struct dt_key *key;
+ } insert;
+ struct {
+ } ref;
+ struct {
+ struct lu_attr attr;
+ } attr_set;
+ struct {
+ struct lu_buf buf;
+ const char *name;
+ int flags;
+ __u32 csum;
+ } xattr_set;
+ struct {
+ struct lu_attr attr;
+ struct dt_allocation_hint hint;
+ struct dt_object_format dof;
+ struct lu_fid fid;
+ } create;
+ struct {
+ struct lu_buf buf;
+ loff_t pos;
+ } write;
+ } u;
+};
+
+#define TX_MAX_OPS 10
+struct thandle_exec_args {
+ struct thandle *ta_handle;
+ struct dt_device *ta_dev;
+ int ta_err;
+ struct tx_arg ta_args[TX_MAX_OPS];
+ int ta_argno; /* used args */
+};
+
/*
* Common data shared by mdt-level handlers. This is allocated per-thread to
* reduce stack consumption.
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 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 md_attr attr;
struct md_som_data data;
} som;
+ struct {
+ struct dt_object_format mti_update_dof;
+ struct update_reply *mti_update_reply;
+ struct update *mti_update;
+ int mti_update_reply_index;
+ struct obdo mti_obdo;
+ struct dt_object *mti_dt_object;
+ } update;
} mti_u;
/* IO epoch related stuff. */
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;
/* Ops object filename */
struct lu_name mti_name;
+ /* 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 thandle_exec_args mti_handle;
+ struct ldlm_enqueue_info mti_einfo;
+};
+
+/* 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;
};
-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;
+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)
};
-enum mdt_txn_op {
- MDT_TXN_CAPA_KEYS_WRITE_OP,
- MDT_TXN_LAST_RCVD_WRITE_OP,
+struct mdt_opc_slice {
+ __u32 mos_opc_start;
+ int mos_opc_end;
+ struct mdt_handler *mos_hs;
};
static inline const struct md_device_operations *
return mdt->mdt_md_dev.md_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)
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 *);
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);
MDT_SOM_ENABLE = 1,
};
+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_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_add_dirty_flag(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct md_attr *ma);
int mdt_done_writing(struct mdt_thread_info *info);
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_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[];
+
+int mdt_hsm_attr_set(struct mdt_thread_info *info, struct mdt_object *obj,
+ struct md_hsm *mh);
+
+struct mdt_handler *mdt_handler_find(__u32 opc,
+ struct mdt_opc_slice *supported);
/* mdt_idmap.c */
int mdt_init_sec_level(struct mdt_thread_info *);
int mdt_init_idmap(struct mdt_thread_info *);
int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
+/* mdt/mdt_hsm.c */
+int mdt_hsm_state_get(struct mdt_thread_info *info);
+int mdt_hsm_state_set(struct mdt_thread_info *info);
+int mdt_hsm_action(struct mdt_thread_info *info);
+int mdt_hsm_progress(struct mdt_thread_info *info);
+int mdt_hsm_ct_register(struct mdt_thread_info *info);
+int mdt_hsm_ct_unregister(struct mdt_thread_info *info);
+int mdt_hsm_request(struct mdt_thread_info *info);
+
extern struct lu_context_key mdt_thread_key;
/* debug issues helper starts here*/
static inline int mdt_fail_write(const struct lu_env *env,
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];
}
+/* 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)
{
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);
+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_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_time_start(const struct mdt_thread_info *info);
-void mdt_time_end(const struct mdt_thread_info *info, int idx);
+ 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);
{
struct md_capainfo *ci;
- LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
+ 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;
{
return mdt->mdt_md_dev.md_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;
+}
+
+int mds_mod_init(void);
+void mds_mod_exit(void);
+
+/* Update handlers */
+int out_handle(struct mdt_thread_info *info);
+
+#define out_tx_create(info, obj, attr, fid, dof, th, reply, idx) \
+ __out_tx_create(info, obj, attr, fid, dof, th, reply, idx, \
+ __FILE__, __LINE__)
+
+#define out_tx_attr_set(info, obj, attr, th, reply, idx) \
+ __out_tx_attr_set(info, obj, attr, th, reply, idx, \
+ __FILE__, __LINE__)
+
+#define out_tx_xattr_set(info, obj, buf, name, fl, th, reply, idx) \
+ __out_tx_xattr_set(info, obj, buf, name, fl, th, reply, idx, \
+ __FILE__, __LINE__)
+
+#define out_tx_ref_add(info, obj, th, reply, idx) \
+ __out_tx_ref_add(info, obj, th, reply, idx, __FILE__, __LINE__)
+
+#define out_tx_ref_del(info, obj, th, reply, idx) \
+ __out_tx_ref_del(info, obj, th, reply, idx, __FILE__, __LINE__)
+
+#define out_tx_index_insert(info, obj, th, name, fid, reply, idx) \
+ __out_tx_index_insert(info, obj, th, name, fid, reply, idx, \
+ __FILE__, __LINE__)
+
+#define out_tx_index_delete(info, obj, th, name, reply, idx) \
+ __out_tx_index_delete(info, obj, th, name, reply, idx, \
+ __FILE__, __LINE__)
+
+
#endif /* __KERNEL__ */
#endif /* _MDT_H */