LU-5223 lmv: build master LMV EA dynamically build via readdir

[fs/lustre-release.git] / lustre / lod / lod_internal.h

diff --git a/lustre/lod/lod_internal.h b/lustre/lod/lod_internal.h
index c3b1bc3..7d9b95f 100644 (file)
--- a/lustre/lod/lod_internal.h
+++ b/lustre/lod/lod_internal.h
@@ -158,7 +158,8 @@ struct lod_device {
        spinlock_t            lod_connects_lock;
        int                   lod_connects;
        unsigned int          lod_recovery_completed:1,
        spinlock_t            lod_connects_lock;
        int                   lod_connects;
        unsigned int          lod_recovery_completed:1,

-                             lod_initialized:1;
+                             lod_initialized:1,
+                             lod_lmv_failout:1;

 
        /* lov settings descriptor storing static information */
        struct lov_desc       lod_desc;
 
        /* lov settings descriptor storing static information */
        struct lov_desc       lod_desc;


@@ -260,6 +261,9 @@ struct lod_object {
 
 struct lod_it {
        struct dt_object        *lit_obj; /* object from the layer below */
 
 struct lod_it {
        struct dt_object        *lit_obj; /* object from the layer below */

+       /* stripe offset of iteration */
+       __u32                   lit_stripe_index;
+       __u32                   lit_attr;

        struct dt_it            *lit_it;  /* iterator from the layer below */
 };
 
        struct dt_it            *lit_it;  /* iterator from the layer below */
 };
 


@@ -275,6 +279,11 @@ struct lod_thread_info {
        struct lu_attr    lti_attr;
        struct lod_it     lti_it;
        struct ldlm_res_id lti_res_id;
        struct lu_attr    lti_attr;
        struct lod_it     lti_it;
        struct ldlm_res_id lti_res_id;

+       /* used to hold lu_dirent, sizeof(struct lu_dirent) + NAME_MAX */
+       char              lti_key[sizeof(struct lu_dirent) + NAME_MAX];
+       struct dt_object_format lti_format;
+       struct lu_name    lti_name;
+       struct lu_buf     lti_linkea_buf;

 };
 
 extern const struct lu_device_operations lod_lu_ops;
 };
 
 extern const struct lu_device_operations lod_lu_ops;


@@ -350,6 +359,17 @@ static inline struct lod_thread_info *lod_env_info(const struct lu_env *env)
        return info;
 }
 
        return info;
 }
 

+static inline struct lu_name *
+lod_name_get(const struct lu_env *env, const void *area, int len)
+{
+       struct lu_name *lname;
+
+       lname = &lod_env_info(env)->lti_name;
+       lname->ln_name = area;
+       lname->ln_namelen = len;
+       return lname;
+}
+

 #define lod_foreach_ost(__dev, index)  \
        if ((__dev)->lod_osts_size > 0) \
                cfs_foreach_bit((__dev)->lod_ost_bitmap, (index))
 #define lod_foreach_ost(__dev, index)  \
        if ((__dev)->lod_osts_size > 0) \
                cfs_foreach_bit((__dev)->lod_ost_bitmap, (index))


@@ -368,7 +388,8 @@ int lod_del_device(const struct lu_env *env, struct lod_device *lod,
                   unsigned gen, bool for_ost);
 int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
                 struct lod_tgt_descs *ltd, bool for_ost);
                   unsigned gen, bool for_ost);
 int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
                 struct lod_tgt_descs *ltd, bool for_ost);

-int lod_load_striping(const struct lu_env *env, struct lod_object *mo);
+int lod_load_striping_locked(const struct lu_env *env, struct lod_object *lo);
+int lod_load_striping(const struct lu_env *env, struct lod_object *lo);

 
 int lod_get_ea(const struct lu_env *env, struct lod_object *lo,
               const char *name);
 
 int lod_get_ea(const struct lu_env *env, struct lod_object *lo,
               const char *name);


@@ -405,7 +426,8 @@ int lod_initialize_objects(const struct lu_env *env, struct lod_object *mo,
                           struct lov_ost_data_v1 *objs);
 int lod_store_def_striping(const struct lu_env *env, struct dt_object *dt,
                           struct thandle *th);
                           struct lov_ost_data_v1 *objs);
 int lod_store_def_striping(const struct lu_env *env, struct dt_object *dt,
                           struct thandle *th);

-int lod_verify_striping(struct lod_device *d, const struct lu_buf *buf, int specific);
+int lod_verify_striping(struct lod_device *d, const struct lu_buf *buf,
+                       bool is_from_disk);

 int lod_generate_and_set_lovea(const struct lu_env *env,
                               struct lod_object *mo, struct thandle *th);
 int lod_ea_store_resize(struct lod_thread_info *info, int size);
 int lod_generate_and_set_lovea(const struct lu_env *env,
                               struct lod_object *mo, struct thandle *th);
 int lod_ea_store_resize(struct lod_thread_info *info, int size);


@@ -432,11 +454,12 @@ int qos_add_tgt(struct lod_device*, struct lod_tgt_desc *);
 int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *);
 
 /* lproc_lod.c */
 int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *);
 
 /* lproc_lod.c */

-void lprocfs_lod_init_vars(struct lprocfs_static_vars *lvars);

 int lod_procfs_init(struct lod_device *lod);
 void lod_procfs_fini(struct lod_device *lod);
 
 /* lod_object.c */
 int lod_procfs_init(struct lod_device *lod);
 void lod_procfs_fini(struct lod_device *lod);
 
 /* lod_object.c */

+int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
+                       struct lu_buf *buf, bool resize);

 int lod_object_set_pool(struct lod_object *o, char *pool);
 int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt,
                               struct lu_attr *attr,
 int lod_object_set_pool(struct lod_object *o, char *pool);
 int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt,
                               struct lu_attr *attr,