/* genops.c */
struct obd_export *class_conn2export(struct lustre_handle *);
-int class_register_type(struct obd_ops *, struct md_ops *,
+int class_register_type(struct obd_ops *, struct md_ops *, bool enable_proc,
struct lprocfs_seq_vars *module_vars,
#ifndef HAVE_ONLY_PROCFS_SEQ
struct lprocfs_vars *,
#endif
- const char *nm,
- struct lu_device_type *ldt);
+ const char *nm, struct lu_device_type *ldt);
int class_unregister_type(const char *nm);
struct obd_device *class_newdev(const char *type_name, const char *name);
int kuc_ispayload(void *p);
void *kuc_alloc(int payload_len, int transport, int type);
void kuc_free(void *p, int payload_len);
+int obd_get_request_slot(struct client_obd *cli);
+void obd_put_request_slot(struct client_obd *cli);
+__u32 obd_get_max_rpcs_in_flight(struct client_obd *cli);
+int obd_set_max_rpcs_in_flight(struct client_obd *cli, __u32 max);
struct llog_handle;
struct llog_rec_hdr;
void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
unsigned int valid);
-void obdo_cpu_to_le(struct obdo *dobdo, struct obdo *sobdo);
-void obdo_le_to_cpu(struct obdo *dobdo, struct obdo *sobdo);
-
#define OBT(dev) (dev)->obd_type
#define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
#define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
return obd_packmd(exp, NULL, mem_src);
}
-/* helper functions */
-static inline int obd_alloc_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt == NULL);
- return obd_packmd(exp, disk_tgt, NULL);
-}
-
static inline int obd_free_diskmd(struct obd_export *exp,
struct lov_mds_md **disk_tgt)
{
return rc;
}
-static inline int obd_precreate(struct obd_export *exp)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, precreate);
- OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
-
- rc = OBP(exp->exp_obd, precreate)(exp);
- RETURN(rc);
-}
-
static inline int obd_create_async(struct obd_export *exp,
struct obd_info *oinfo,
struct lov_stripe_md **ea,
RETURN(rc);
}
-static inline int obd_fid_alloc(struct obd_export *exp,
+static inline int obd_fid_alloc(const struct lu_env *env,
+ struct obd_export *exp,
struct lu_fid *fid,
struct md_op_data *op_data)
{
- int rc;
- ENTRY;
+ int rc;
+ ENTRY;
- EXP_CHECK_DT_OP(exp, fid_alloc);
- EXP_COUNTER_INCREMENT(exp, fid_alloc);
+ EXP_CHECK_DT_OP(exp, fid_alloc);
+ EXP_COUNTER_INCREMENT(exp, fid_alloc);
- rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
- RETURN(rc);
+ rc = OBP(exp->exp_obd, fid_alloc)(env, exp, fid, op_data);
+ RETURN(rc);
}
static inline int obd_ping(const struct lu_env *env, struct obd_export *exp)
RETURN(0);
}
-static inline int obd_extent_calc(struct obd_export *exp,
- struct lov_stripe_md *md,
- int cmd, obd_off *offset)
-{
- int rc;
- ENTRY;
- EXP_CHECK_DT_OP(exp, extent_calc);
- rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
- RETURN(rc);
-}
-
/* @max_age is the oldest time in jiffies that we accept using a cached data.
* If the cache is older than @max_age we will get a new value from the
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
RETURN(rc);
}
-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)(NULL, exp, oinfo, start, end, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
- RETURN(rc);
-}
-
-static inline int obd_sync(const struct lu_env *env, 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)(env, exp, oinfo, start, end, set);
- RETURN(rc);
-}
-
-static inline int obd_punch_rqset(struct obd_export *exp,
- struct obd_info *oinfo,
- struct obd_trans_info *oti)
-{
- struct ptlrpc_request_set *set = NULL;
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, punch);
- EXP_COUNTER_INCREMENT(exp, punch);
-
- set = ptlrpc_prep_set();
- if (set == NULL)
- RETURN(-ENOMEM);
-
- rc = OBP(exp->exp_obd, punch)(NULL, exp, oinfo, oti, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
- RETURN(rc);
-}
-
-static inline int obd_punch(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo, struct obd_trans_info *oti,
- struct ptlrpc_request_set *rqset)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, punch);
- EXP_COUNTER_INCREMENT(exp, punch);
-
- rc = OBP(exp->exp_obd, punch)(env, exp, oinfo, oti, rqset);
- RETURN(rc);
-}
-
-static inline int obd_brw(int cmd, struct obd_export *exp,
- struct obd_info *oinfo, obd_count oa_bufs,
- struct brw_page *pg, struct obd_trans_info *oti)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, brw);
- EXP_COUNTER_INCREMENT(exp, brw);
-
- if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
- CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
- "or OBD_BRW_CHECK\n");
- LBUG();
- }
-
- rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
- RETURN(rc);
-}
-
static inline int obd_preprw(const struct lu_env *env, int cmd,
struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
RETURN(rc);
}
-static inline int obd_merge_lvb(struct obd_export *exp,
- struct lov_stripe_md *lsm,
- struct ost_lvb *lvb, int kms_only)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, merge_lvb);
- EXP_COUNTER_INCREMENT(exp, merge_lvb);
-
- rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
- RETURN(rc);
-}
-
-static inline int obd_adjust_kms(struct obd_export *exp,
- struct lov_stripe_md *lsm, obd_off size,
- int shrink)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, adjust_kms);
- EXP_COUNTER_INCREMENT(exp, adjust_kms);
-
- rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
- RETURN(rc);
-}
-
static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
int len, void *karg, void *uarg)
{
RETURN(rc);
}
-static inline int obd_enqueue_rqset(struct obd_export *exp,
- struct obd_info *oinfo,
- struct ldlm_enqueue_info *einfo)
-{
- struct ptlrpc_request_set *set = NULL;
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, enqueue);
- EXP_COUNTER_INCREMENT(exp, enqueue);
-
- set = ptlrpc_prep_set();
- if (set == NULL)
- RETURN(-ENOMEM);
-
- rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
- RETURN(rc);
-}
-
-static inline int obd_enqueue(struct obd_export *exp,
- struct obd_info *oinfo,
- struct ldlm_enqueue_info *einfo,
- struct ptlrpc_request_set *set)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, enqueue);
- EXP_COUNTER_INCREMENT(exp, enqueue);
-
- rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
- RETURN(rc);
-}
-
static inline int obd_change_cbdata(struct obd_export *exp,
struct lov_stripe_md *lsm,
ldlm_iterator_t it, void *data)
RETURN(rc);
}
-static inline int obd_cancel(struct obd_export *exp,
- struct lov_stripe_md *ea, __u32 mode,
- struct lustre_handle *lockh)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, cancel);
- EXP_COUNTER_INCREMENT(exp, cancel);
-
- rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
- RETURN(rc);
-}
-
-static inline int obd_cancel_unused(struct obd_export *exp,
- struct lov_stripe_md *ea,
- ldlm_cancel_flags_t flags,
- void *opaque)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, cancel_unused);
- EXP_COUNTER_INCREMENT(exp, cancel_unused);
-
- rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
- RETURN(rc);
-}
-
static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
struct obd_capa *oc, struct obd_client_handle *handle,
int flag)
static inline int md_enqueue(struct obd_export *exp,
struct ldlm_enqueue_info *einfo,
+ const union ldlm_policy_data *policy,
struct lookup_intent *it,
struct md_op_data *op_data,
struct lustre_handle *lockh,
- void *lmm, int lmmsize,
- struct ptlrpc_request **req,
__u64 extra_lock_flags)
{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, enqueue);
- EXP_MD_COUNTER_INCREMENT(exp, enqueue);
- rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
- lmm, lmmsize, req, extra_lock_flags);
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, enqueue);
+ EXP_MD_COUNTER_INCREMENT(exp, enqueue);
+ rc = MDP(exp->exp_obd, enqueue)(exp, einfo, policy, it, op_data, lockh,
+ extra_lock_flags);
RETURN(rc);
}
}
static inline int md_intent_lock(struct obd_export *exp,
- struct md_op_data *op_data, void *lmm,
- int lmmsize, struct lookup_intent *it,
- int lookup_flags, struct ptlrpc_request **reqp,
+ struct md_op_data *op_data,
+ struct lookup_intent *it,
+ struct ptlrpc_request **reqp,
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, intent_lock);
- EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
- rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
- it, lookup_flags, reqp, cb_blocking,
- extra_lock_flags);
- RETURN(rc);
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, intent_lock);
+ EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
+ rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, it, reqp, cb_blocking,
+ extra_lock_flags);
+ RETURN(rc);
}
static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
}
static inline int md_init_ea_size(struct obd_export *exp, int easize,
- int def_asize, int cookiesize)
+ int def_asize, int cookiesize,
+ int def_cookiesize)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, init_ea_size);
- EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
- RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
- cookiesize));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, init_ea_size);
+ EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
+ RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
+ cookiesize, def_cookiesize));
}
static inline int md_get_remote_perm(struct obd_export *exp,
#define OBDO_ALLOC(ptr) \
do { \
- OBD_SLAB_ALLOC_PTR_GFP((ptr), obdo_cachep, __GFP_IO); \
+ OBD_SLAB_ALLOC_PTR_GFP((ptr), obdo_cachep, GFP_NOFS); \
} while(0)
#define OBDO_FREE(ptr) \
/* prng.c */
#define ll_generate_random_uuid(uuid_out) cfs_get_random_bytes(uuid_out, sizeof(class_uuid_t))
+/* root squash info */
+struct rw_semaphore;
+struct root_squash_info {
+ uid_t rsi_uid;
+ gid_t rsi_gid;
+ struct list_head rsi_nosquash_nids;
+ struct rw_semaphore rsi_sem;
+};
+
#ifdef __KERNEL__
int server_name2index(const char *svname, __u32 *idx, const char **endptr);
#else