* 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.
*/
/*
struct lu_device_type *ldt);
int class_unregister_type(const char *nm);
-struct obd_device *class_newdev(const char *type_name, const char *name);
+
+
+
+/**
+ allocate one minor number
+ */
+int obd_minor_alloc(void);
+/**
+ release allocated minor
+ */
+void obd_minor_release(long minor);
+/**
+ return 1 if minor is point to allocated device,
+ return 0 otherwise
+ */
+int obd_minor_valid(long minor);
+
+int obd_hashes_init(void);
+void obd_hashes_fini(void);
+
+struct obd_device *class_newdev(const char *type_name, const char *name,
+ const char *uuid);
void class_release_dev(struct obd_device *obd);
int class_name2dev(const char *name);
struct obd_device *class_name2obd(const char *name);
int class_uuid2dev(struct obd_uuid *uuid);
struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
+
void class_obd_list(void);
+void obd_devlist_first(struct obd_device **pos);
+void obd_devlist_next(struct obd_device **pos);
+void obd_devlist_last(struct obd_device *pos);
+const char *obd_dev_status(struct obd_device *obd);
+
struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
const char * typ_name,
struct obd_uuid *grp_uuid);
struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
- int *next);
-struct obd_device * class_num2obd(int num);
+ struct obd_device **prev);
+struct obd_device * class_num2obd(__u32 num);
+
int class_notify_sptlrpc_conf(const char *fsname, int namelen);
void obd_zombie_impexp_cull(void);
void obd_zombie_barrier(void);
void obd_exports_barrier(struct obd_device *obd);
+int kuc_len(int payload_len);
+struct kuc_hdr * kuc_ptr(void *p);
+int kuc_ispayload(void *p);
+void *kuc_alloc(int payload_len, int transport, int type);
+void kuc_free(void *p, int payload_len);
/* obd_config.c */
int class_process_config(struct lustre_cfg *lcfg);
cfs_atomic_t cld_refcount;
struct config_llog_data *cld_sptlrpc;/* depended sptlrpc log */
struct obd_export *cld_mgcexp;
+ cfs_mutex_t cld_lock;
unsigned int cld_stopping:1, /* we were told to stop
* watching */
cld_lostlock:1, /* lock not requeued */
#define class_export_rpc_put(exp) \
({ \
- LASSERT(cfs_atomic_read(&exp->exp_rpc_count) > 0); \
+ LASSERT_ATOMIC_POS(&exp->exp_rpc_count); \
cfs_atomic_dec(&(exp)->exp_rpc_count); \
CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
(exp), cfs_atomic_read(&(exp)->exp_rpc_count)); \
#define class_export_lock_put(exp, lock) \
({ \
- LASSERT(cfs_atomic_read(&exp->exp_locks_count) > 0); \
+ LASSERT_ATOMIC_POS(&exp->exp_locks_count); \
cfs_atomic_dec(&(exp)->exp_locks_count); \
__class_export_del_lock_ref(exp, lock); \
CDEBUG(D_INFO, "lock PUTting export %p : new locks_count %d\n", \
#define class_export_cb_put(exp) \
({ \
- LASSERT(cfs_atomic_read(&exp->exp_cb_count) > 0); \
+ LASSERT_ATOMIC_POS(&exp->exp_cb_count); \
cfs_atomic_dec(&(exp)->exp_cb_count); \
CDEBUG(D_INFO, "callback PUTting export %p : new cb_count %d\n",\
(exp), cfs_atomic_read(&(exp)->exp_cb_count)); \
0);
}
+static inline struct lu_target *class_exp2tgt(struct obd_export *exp)
+{
+ LASSERT(exp->exp_obd);
+ return exp->exp_obd->u.obt.obt_lut;
+}
+
+static inline struct lr_server_data *class_server_data(struct obd_device *obd)
+{
+ LASSERT(obd->u.obt.obt_lut);
+ return &obd->u.obt.obt_lut->lut_lsd;
+}
+
void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
#define EXP_MD_COUNTER_INCREMENT(exp, op)
#endif
+static inline int lprocfs_nid_ldlm_stats_init(struct nid_stat* tmp)
+{
+ /* Always add in ldlm_stats */
+ tmp->nid_ldlm_stats = lprocfs_alloc_stats(LDLM_LAST_OPC - LDLM_FIRST_OPC
+ ,LPROCFS_STATS_FLAG_NOPERCPU);
+ if (tmp->nid_ldlm_stats == NULL)
+ return -ENOMEM;
+
+ lprocfs_init_ldlm_stats(tmp->nid_ldlm_stats);
+
+ return lprocfs_register_stats(tmp->nid_proc, "ldlm_stats",
+ tmp->nid_ldlm_stats);
+}
+
#define OBD_CHECK_MD_OP(obd, op, err) \
do { \
if (!OBT(obd) || !MDP((obd), op)) { \
} \
} while (0)
-static inline int class_devno_max(void)
-{
- return MAX_OBD_DEVICES;
-}
-
static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
RETURN(uuid);
}
+/** Create a new /a exp on device /a obd for the uuid /a cluuid
+ * @param exp New export handle
+ * @param d Connect data, supported flags are set, flags also understood
+ * by obd are returned.
+ */
static inline int obd_connect(const struct lu_env *env,
struct obd_export **exp,struct obd_device *obd,
struct obd_uuid *cluuid,
RETURN(rc);
}
-static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start,
- obd_size end, void *capa)
+static inline int obd_sync_rqset(struct obd_export *exp, struct obd_info *oinfo,
+ obd_size start, obd_size end)
+{
+ struct ptlrpc_request_set *set = NULL;
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
+ EXP_COUNTER_INCREMENT(exp, sync);
+
+ set = ptlrpc_prep_set();
+ if (set == NULL)
+ RETURN(-ENOMEM);
+
+ rc = OBP(exp->exp_obd, sync)(exp, oinfo, start, end, set);
+ if (rc == 0)
+ rc = ptlrpc_set_wait(set);
+ ptlrpc_set_destroy(set);
+ RETURN(rc);
+}
+
+static inline int obd_sync(struct obd_export *exp, struct obd_info *oinfo,
+ obd_size start, obd_size end,
+ struct ptlrpc_request_set *set)
{
int rc;
ENTRY;
OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
EXP_COUNTER_INCREMENT(exp, sync);
- rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
+ rc = OBP(exp->exp_obd, sync)(exp, oinfo, start, end, set);
RETURN(rc);
}
RETURN(rc);
}
+static inline int obd_find_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ ldlm_iterator_t it, void *data)
+{
+ int rc;
+ ENTRY;
+
+ EXP_CHECK_DT_OP(exp, find_cbdata);
+ EXP_COUNTER_INCREMENT(exp, find_cbdata);
+
+ rc = OBP(exp->exp_obd, find_cbdata)(exp, lsm, it, data);
+ RETURN(rc);
+}
+
static inline int obd_cancel(struct obd_export *exp,
struct lov_stripe_md *ea, __u32 mode,
struct lustre_handle *lockh)
static inline int obd_cancel_unused(struct obd_export *exp,
struct lov_stripe_md *ea,
- int flags, void *opaque)
+ ldlm_cancel_flags_t flags,
+ void *opaque)
{
int rc;
ENTRY;
static inline int obd_quota_adjust_qunit(struct obd_export *exp,
struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt)
+ struct lustre_quota_ctxt *qctxt,
+ struct ptlrpc_request_set *set)
{
#if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
struct timeval work_start;
EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
- rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
+ rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt, set);
#if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
if (qctxt) {
RETURN(rc);
}
-static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, int ea_size,
+static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
int rc;
ENTRY;
EXP_CHECK_MD_OP(exp, getattr);
EXP_MD_COUNTER_INCREMENT(exp, getattr);
- rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
- ea_size, request);
+ rc = MDP(exp->exp_obd, getattr)(exp, op_data, request);
RETURN(rc);
}
RETURN(rc);
}
+static inline int md_find_cbdata(struct obd_export *exp,
+ const struct lu_fid *fid,
+ ldlm_iterator_t it, void *data)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, find_cbdata);
+ EXP_MD_COUNTER_INCREMENT(exp, find_cbdata);
+ rc = MDP(exp->exp_obd, find_cbdata)(exp, fid, it, data);
+ RETURN(rc);
+}
+
static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
struct md_open_data *mod,
struct ptlrpc_request **request)
}
static inline int md_getattr_name(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
- const char *name, int namelen,
- obd_valid valid, int ea_size, __u32 suppgid,
+ struct md_op_data *op_data,
struct ptlrpc_request **request)
{
int rc;
ENTRY;
EXP_CHECK_MD_OP(exp, getattr_name);
EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
- rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
- valid, ea_size, suppgid, request);
+ rc = MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
RETURN(rc);
}
static inline int md_cancel_unused(struct obd_export *exp,
const struct lu_fid *fid,
ldlm_policy_data_t *policy,
- ldlm_mode_t mode, int flags, void *opaque)
+ ldlm_mode_t mode,
+ ldlm_cancel_flags_t flags,
+ void *opaque)
{
int rc;
ENTRY;
#define OBDO_ALLOC(ptr) \
do { \
- OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
+ OBD_SLAB_ALLOC_PTR_GFP((ptr), obdo_cachep, CFS_ALLOC_IO); \
} while(0)
#define OBDO_FREE(ptr) \
int raw_name2idx(int hashtype, int count, const char *name, int namelen);
/* prng.c */
-void ll_generate_random_uuid(class_uuid_t uuid_out);
+#define ll_generate_random_uuid(uuid_out) cfs_get_random_bytes(uuid_out, sizeof(class_uuid_t))
#endif /* __LINUX_OBD_CLASS_H */