LU-10337 mdt: Allow open of open orphans

[fs/lustre-release.git] / lustre / mdd / mdd_internal.h

diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h
index d23dba7..78863de 100644 (file)
--- a/lustre/mdd/mdd_internal.h
+++ b/lustre/mdd/mdd_internal.h
@@ -83,6 +83,14 @@
 
 #define LLOG_CHANGELOG_HDR_SZ (sizeof(struct llog_changelog_rec) - \
                               sizeof(struct changelog_rec))
+/* mc_gc_task values */
+/** no GC thread to be started **/
+#define MDD_CHLG_GC_NONE NULL
+/** a GC thread need to be started **/
+#define MDD_CHLG_GC_NEED (struct task_struct *)(-1)
+/** a GC thread will be started now **/
+#define MDD_CHLG_GC_START (struct task_struct *)(-2)
+/** else the started task_struct address when running **/
 
 struct mdd_changelog {
        spinlock_t              mc_lock;        /* for index */
@@ -94,7 +102,7 @@ struct mdd_changelog {
        int                     mc_lastuser;
        int                     mc_users;      /* registered users number */
        struct task_struct      *mc_gc_task;
-       time64_t                mc_gc_time;
+       time64_t                mc_gc_time;    /* last GC check or run time */
        unsigned int            mc_deniednext; /* interval for recording denied
                                                * accesses
                                                */
@@ -182,11 +190,13 @@ struct mdd_thread_info {
        * then mti_ent::lde_name will be mti_key. */
        struct lu_dirent          mti_ent;
        char                      mti_key[NAME_MAX + 16];
+       char                      mti_name[NAME_MAX + 1];
        struct lu_buf             mti_buf[4];
        struct lu_buf             mti_big_buf; /* biggish persistent buf */
        struct lu_buf             mti_link_buf; /* buf for link ea */
        struct lu_buf             mti_xattr_buf;
        struct obdo               mti_oa;
+       struct lmv_user_md        mti_lmu;
        struct dt_allocation_hint mti_hint;
        struct dt_object_format   mti_dof;
        struct linkea_data        mti_link_data;
@@ -194,6 +204,7 @@ struct mdd_thread_info {
        struct dt_insert_rec      mti_dt_rec;
        struct lfsck_req_local    mti_lrl;
        struct lu_seq_range       mti_range;
+       union lmv_mds_md          mti_lmv;
 };
 
 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
@@ -226,8 +237,6 @@ void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
 
 /* mdd_dir.c */
-int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
-                  const struct lu_fid *fid, struct lu_fid *sfid);
 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
                   const struct lu_attr *pattr, struct mdd_object *cobj,
                   bool check_perm);
@@ -262,6 +271,9 @@ int mdd_links_rename(const struct lu_env *env,
                     struct thandle *handle,
                     struct linkea_data *ldata,
                     int first, int check);
+int mdd_dir_layout_shrink(const struct lu_env *env,
+                         struct md_object *md_obj,
+                         const struct lu_buf *lmu_buf);
 
 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
 
@@ -341,8 +353,14 @@ int mdd_declare_create_object_internal(const struct lu_env *env,
                                       struct thandle *handle,
                                       const struct md_op_spec *spec,
                                       struct dt_allocation_hint *hint);
-int mdd_get_lov_ea(const struct lu_env *env, struct mdd_object *obj,
-                  struct lu_buf *lmm_buf);
+int mdd_stripe_get(const struct lu_env *env, struct mdd_object *obj,
+                  struct lu_buf *lmm_buf, const char *name);
+int mdd_changelog_data_store_xattr(const struct lu_env *env,
+                                  struct mdd_device *mdd,
+                                  enum changelog_rec_type type,
+                                  int flags, struct mdd_object *mdd_obj,
+                                  const char *xattr_name,
+                                  struct thandle *handle);
 
 /* mdd_trans.c */
 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
@@ -476,6 +494,11 @@ static inline bool mdd_is_volatile_obj(struct mdd_object *obj)
        return obj->mod_flags & VOLATILE_OBJ;
 }
 
+static inline bool mdd_is_orphan_obj(struct mdd_object *obj)
+{
+       return obj->mod_flags & ORPHAN_OBJ;
+}
+
 static inline int mdd_object_exists(struct mdd_object *obj)
 {
         return lu_object_exists(mdd2lu_obj(obj));