LU-9538 mdt: Lazy size on MDT

[fs/lustre-release.git] / lustre / include / md_object.h

diff --git a/lustre/include/md_object.h b/lustre/include/md_object.h
index e46c05e..98942e6 100644 (file)
--- a/lustre/include/md_object.h
+++ b/lustre/include/md_object.h
@@ -74,6 +74,7 @@ enum ma_valid {
        MA_HSM       = 1 << 6,
        MA_PFID      = 1 << 7,
        MA_LMV_DEF   = 1 << 8,
+       MA_SOM       = 1 << 9,
 };
 
 typedef enum {
@@ -108,19 +109,31 @@ struct md_hsm {
        __u64   mh_arch_ver;
 };
 
+
+/* memory structure for SOM attributes
+ * for fields description see the on disk structure som_attrs
+ * which is defined in lustre_idl.h
+ */
+struct md_som {
+       __u16   ms_valid;
+       __u64   ms_size;
+       __u64   ms_blocks;
+};
+
 struct md_attr {
-        __u64                   ma_valid;
-        __u64                   ma_need;
-        __u64                   ma_attr_flags;
-        struct lu_attr          ma_attr;
-        struct lu_fid           ma_pfid;
-        struct md_hsm           ma_hsm;
-        struct lov_mds_md      *ma_lmm;
-       union lmv_mds_md       *ma_lmv;
-        void                   *ma_acl;
-        int                     ma_lmm_size;
-        int                     ma_lmv_size;
-        int                     ma_acl_size;
+       __u64                    ma_valid;
+       __u64                    ma_need;
+       __u64                    ma_attr_flags;
+       struct lu_attr           ma_attr;
+       struct lu_fid            ma_pfid;
+       struct md_hsm            ma_hsm;
+       struct md_som            ma_som;
+       struct lov_mds_md       *ma_lmm;
+       union lmv_mds_md        *ma_lmv;
+       void                    *ma_acl;
+       int                      ma_lmm_size;
+       int                      ma_lmv_size;
+       int                      ma_acl_size;
 };
 
 /** Additional parameters for create */
@@ -167,12 +180,12 @@ enum md_layout_opc {
  * Parameters for layout change API.
  */
 struct md_layout_change {
-       enum md_layout_opc              mlc_opc;
-       struct layout_intent            *mlc_intent;
-       struct lu_buf                   mlc_buf;
-       struct lustre_som_attrs         mlc_som;
-       size_t                          mlc_resync_count;
-       __u32                           *mlc_resync_ids;
+       enum md_layout_opc       mlc_opc;
+       struct layout_intent    *mlc_intent;
+       struct lu_buf            mlc_buf;
+       struct lustre_som_attrs  mlc_som;
+       size_t                   mlc_resync_count;
+       __u32                   *mlc_resync_ids;
 };
 
 union ldlm_policy_data;
@@ -649,6 +662,7 @@ enum mdd_object_role {
 
 struct dt_device;
 
+void lustre_som_swab(struct lustre_som_attrs *attrs);
 int lustre_buf2hsm(void *buf, int rc, struct md_hsm *mh);
 void lustre_hsm2buf(void *buf, const struct md_hsm *mh);