-/* -*- 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.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* 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)
{
- struct lsd_client_data *lcd = req->rq_export->exp_mdt_data.med_lcd;
+ 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);
}
/* file data for open files on MDS */
struct mdt_file_data {
struct portals_handle mfd_handle; /* must be first */
- struct list_head mfd_list; /* protected by med_open_lock */
+ 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 */
};
+/* mdt state flag bits */
+#define MDT_FL_CFGLOG 0
+#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;
/* 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;
/*
mo_cos :1;
} mdt_opts;
/* mdt state flags */
- __u32 mdt_fl_cfglog:1,
- mdt_fl_synced:1;
- /* lock to pretect epoch and write count */
- spinlock_t mdt_ioepoch_lock;
+ unsigned long mdt_state;
+ /* lock to protect IOepoch */
+ spinlock_t mdt_ioepoch_lock;
__u64 mdt_ioepoch;
/* transaction callbacks */
struct upcall_cache *mdt_identity_cache;
/* sptlrpc rules */
- rwlock_t mdt_sptlrpc_lock;
+ rwlock_t mdt_sptlrpc_lock;
struct sptlrpc_rule_set mdt_sptlrpc_rset;
/* capability keys */
unsigned int mdt_capa_conf:1,
mdt_som_conf: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;
gid_t mdt_squash_gid;
- struct list_head mdt_nosquash_nids;
+ cfs_list_t mdt_nosquash_nids;
char *mdt_nosquash_str;
int mdt_nosquash_strlen;
- struct rw_semaphore 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;
-#define mdt_transno_lock mdt_lut.lut_translock
-#define mdt_last_transno mdt_lut.lut_last_transno
-#define mdt_last_rcvd mdt_lut.lut_last_rcvd
-#define mdt_mount_count mdt_lut.lut_mount_count
-#define mdt_lsd mdt_lut.lut_lsd
-#define mdt_client_bitmap_lock mdt_lut.lut_client_bitmap_lock
-#define mdt_client_bitmap mdt_lut.lut_client_bitmap
+ /* 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)
-#define MDT_COS_DEFAULT (1)
+#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 {
struct lu_object_header mot_header;
struct md_object mot_obj;
__u64 mot_ioepoch;
__u64 mot_flags;
- int mot_epochcount;
+ int mot_ioepoch_count;
int mot_writecount;
+ /* Lock to protect object's IO epoch. */
+ struct mutex mot_ioepoch_mutex;
+ /* 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),
};
struct mdt_lock_handle {
};
enum mdt_reint_flag {
- MRF_SETATTR_LOCKED = 1 << 0,
+ MRF_OPEN_TRUNC = 1 << 0,
};
/*
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[PTLRPC_NUM_VERSIONS];
-
+ 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() */
- struct kstatfs ksfs; /* for mdt_statfs() */
+ 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;
} mti_u;
/* IO epoch related stuff. */
- struct mdt_epoch *mti_epoch;
+ 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 txn_param mti_txn_param;
struct lu_buf mti_buf;
struct lustre_capa_key mti_capa_key;
/* Ops object filename */
struct lu_name mti_name;
- struct md_attr mti_tmp_attr;
-};
-
-#define mti_parent mti_mos[0]
-#define mti_child mti_mos[1]
-#define mti_parent1 mti_mos[2]
-#define mti_child1 mti_mos[3]
-
-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_txn_op {
- MDT_TXN_CAPA_KEYS_WRITE_OP,
- MDT_TXN_LAST_RCVD_WRITE_OP,
-};
-
-/*
- * Info allocated per-transaction.
- */
-#define MDT_MAX_COMMIT_CB 4
-struct mdt_txn_info {
- __u64 txi_transno;
- unsigned int txi_cb_count;
- struct lut_commit_cb txi_cb[MDT_MAX_COMMIT_CB];
+ /* 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];
};
-extern struct lu_context_key mdt_txn_key;
-
-static inline void mdt_trans_add_cb(const struct thandle *th,
- lut_cb_t cb_func, void *cb_data)
-{
- struct mdt_txn_info *txi;
-
- txi = lu_context_key_get(&th->th_ctx, &mdt_txn_key);
- LASSERT(txi->txi_cb_count < ARRAY_SIZE(txi->txi_cb));
-
- /* add new callback */
- txi->txi_cb[txi->txi_cb_count].lut_cb_func = cb_func;
- txi->txi_cb[txi->txi_cb_count].lut_cb_data = cb_data;
- txi->txi_cb_count++;
-}
-
static inline const struct md_device_operations *
mdt_child_ops(struct mdt_device * m)
{
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 lu_object_exists(&o->mot_obj.mo_lu);
}
-static inline const struct lu_fid *mdt_object_fid(struct mdt_object *o)
+static inline const struct lu_fid *mdt_object_fid(const struct mdt_object *o)
{
return lu_object_fid(&o->mot_obj.mo_lu);
}
+static inline int mdt_object_obf(const struct mdt_object *o)
+{
+ return lu_fid_eq(mdt_object_fid(o), &LU_OBF_FID);
+}
+
static inline struct lu_site *mdt_lu_site(const struct mdt_device *mdt)
{
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 md_site *mdt_md_site(struct mdt_device *mdt)
{
- return lu_site2md(mdt_lu_site(mdt));
+ return &mdt->mdt_mite;
}
static inline void mdt_export_evict(struct obd_export *exp)
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 mdt_lock_handle *,
int decref);
+void mdt_client_compatibility(struct mdt_thread_info *info);
+
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 *);
-void mdt_pack_size2body(struct mdt_thread_info *info,
- struct mdt_object *o);
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);
struct mdt_file_data *mdt_handle2mfd(struct mdt_thread_info *,
const struct lustre_handle *);
-int mdt_epoch_open(struct mdt_thread_info *info, struct mdt_object *o);
-void mdt_sizeonmds_enable(struct mdt_thread_info *info, struct mdt_object *mo);
-int mdt_sizeonmds_enabled(struct mdt_object *mo);
-int mdt_write_get(struct mdt_device *mdt, struct mdt_object *o);
-int mdt_write_read(struct mdt_device *mdt, struct mdt_object *o);
+
+enum {
+ MDT_IOEPOCH_CLOSED = 0,
+ MDT_IOEPOCH_OPENED = 1,
+ MDT_IOEPOCH_GETATTR = 2,
+};
+
+enum {
+ MDT_SOM_DISABLE = 0,
+ 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_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);
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,
- int flags);
+ 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_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 *);
-void mdt_trans_credit_init(const struct lu_env *env,
- struct mdt_device *mdt,
- enum mdt_txn_op op);
-struct thandle* mdt_trans_start(const struct lu_env *env,
- struct mdt_device *mdt);
-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);
int mdt_init_ucred(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 *, int);
+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);
/* mdt_idmap.c */
int mdt_init_sec_level(struct mdt_thread_info *);
return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev);
}
+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);
+
+ lo = lu_object_locate(mo->mot_obj.mo_lu.lo_header,
+ mdt->mdt_bottom->dd_lu_dev.ld_type);
+ return lu2dt(lo);
+}
+
/* mdt/mdt_identity.c */
#define MDT_IDENTITY_UPCALL_PATH "/usr/sbin/l_getidentity"
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": obd_fail_loc=%x, fail write ops\n",
+ 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(1);
}
DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
- req->rq_export->exp_mdt_data.med_lcd->lcd_last_xid);
+ req->rq_export->exp_target_data.ted_lcd->lcd_last_xid);
}
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, NULL, client_cookie, lh);
+ ldlm_completion_ast, NULL, NULL, 0,
+ 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)
{
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_OPEN = 0,
+ LPROC_MDT_CLOSE,
+ LPROC_MDT_MKNOD,
+ LPROC_MDT_LINK,
+ LPROC_MDT_UNLINK,
+ LPROC_MDT_MKDIR,
+ LPROC_MDT_RMDIR,
+ LPROC_MDT_RENAME,
+ LPROC_MDT_GETATTR,
+ LPROC_MDT_SETATTR,
+ LPROC_MDT_GETXATTR,
+ LPROC_MDT_SETXATTR,
+ LPROC_MDT_STATFS,
+ LPROC_MDT_SYNC,
+ LPROC_MDT_SAMEDIR_RENAME,
+ LPROC_MDT_CROSSDIR_RENAME,
+ LPROC_MDT_LAST,
+};
+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 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);
-enum {
- LPROC_MDT_NR
-};
-
/* Capability */
int mdt_ck_thread_start(struct mdt_device *mdt);
void mdt_ck_thread_stop(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;
ci = md_capainfo(info->mti_env);
LASSERT(ci);
- ci->mc_fid[offset] = fid;
+ ci->mc_fid[offset] = *fid;
ci->mc_capa[offset] = capa;
}
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]));
+ 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]));
+ i, PFID(&ci->mc_fid[i]));
continue;
}
DEBUG_CAPA(D_ERROR, ci->mc_capa[i], "index %d", i);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff