Support ctime

src/nfs_kv.cpp

@@ -72,6 +72,7 @@ fattr3 get_kv_attributes(nfs_client_t *self, uint64_t ino, json11::Json attrs)
     auto nlink = attrs["nlink"].uint64_value();
     nfstime3 mtime = nfstime_from_str(attrs["mtime"].string_value());
     nfstime3 atime = attrs["atime"].is_null() ? mtime : nfstime_from_str(attrs["atime"].string_value());
+    nfstime3 ctime = attrs["ctime"].is_null() ? mtime : nfstime_from_str(attrs["ctime"].string_value());
     // In theory we could store the binary structure itself, but JSON is simpler :-)
     return (fattr3){
         .type = (type == 0 ? NF3REG : (ftype3)type),
@@ -89,7 +90,7 @@ fattr3 get_kv_attributes(nfs_client_t *self, uint64_t ino, json11::Json attrs)
         .fileid = ino,
         .atime = atime,
         .mtime = mtime,
-        .ctime = mtime,
+        .ctime = ctime,
     };
 }
 
@@ -282,7 +283,7 @@ static void touch_inode(nfs_proxy_t *proxy, inode_t ino, bool allow_cache)
         if (!res)
         {
             auto ientry = attrs.object_items();
-            ientry["mtime"] = nfstime_now_str();
+            ientry["mtime"] = ientry["ctime"] = nfstime_now_str();
             ientry.erase("verf");
             // FIXME: Use "update" query
             bool *found = new bool;

src/nfs_kv_create.cpp

@@ -101,10 +101,9 @@ static void kv_continue_create(kv_create_state *st, int state)
         cb(-EINVAL);
         return;
     }
+    st->attrobj["ctime"] = nfstime_now_str();
     if (st->attrobj.find("mtime") == st->attrobj.end())
-        st->attrobj["mtime"] = nfstime_now_str();
-    if (st->attrobj.find("atime") == st->attrobj.end())
-        st->attrobj["atime"] = st->attrobj["mtime"];
+        st->attrobj["mtime"] = st->attrobj["ctime"];
     st->attrs = std::move(st->attrobj);
 resume_1:
     // Generate inode ID

src/nfs_kv_link.cpp

@@ -99,6 +99,7 @@ resume_2:
         auto new_ientry = st->ientry.object_items();
         auto nlink = new_ientry["nlink"].uint64_value();
         new_ientry["nlink"] = nlink ? nlink+1 : 2;
+        new_ientry["ctime"] = nfstime_now_str();
         st->ientry = new_ientry;
     }
     st->self->parent->db->set(kv_inode_key(st->ino), st->ientry.dump(), [st](int res)

src/nfs_kv_remove.cpp

@@ -196,6 +196,7 @@ resume_5:
     {
         auto copy = st->ientry.object_items();
         copy["nlink"] = st->ientry["nlink"].uint64_value()-1;
+        copy["ctime"] = nfstime_now_str();
         st->self->parent->db->set(kv_inode_key(st->ino), json11::Json(copy).dump(), [st](int res)
         {
             st->res = res;

src/nfs_kv_rename.cpp

@@ -238,6 +238,7 @@ resume_7:
             {
                 auto copy = st->new_ientry.object_items();
                 copy["nlink"] = st->new_ientry["nlink"].uint64_value()-1;
+                copy["ctime"] = nfstime_now_str();
                 copy.erase("verf");
                 st->self->parent->db->set(kv_inode_key(st->new_direntry["ino"].uint64_value()), json11::Json(copy).dump(), [st](int res)
                 {
@@ -325,6 +326,7 @@ resume_11:
         {
             auto ientry_new = st->old_ientry.object_items();
             ientry_new["parent_ino"] = st->new_dir_ino;
+            ientry_new["ctime"] = nfstime_now_str();
             ientry_new.erase("verf");
             st->self->parent->db->set(kv_inode_key(st->old_direntry["ino"].uint64_value()), json11::Json(ientry_new).dump(), [st](int res)
             {

src/nfs_kv_setattr.cpp

@@ -72,6 +72,7 @@ resume_1:
         st->new_attrs[kv.first] = kv.second;
     }
     st->new_attrs.erase("verf");
+    st->new_attrs["ctime"] = nfstime_now_str();
     st->self->parent->db->set(kv_inode_key(st->ino), json11::Json(st->new_attrs).dump(), [st](int res)
     {
         st->res = res;

src/nfs_kv_write.cpp

@@ -545,7 +545,7 @@ static std::string new_normal_ientry(nfs_kv_write_state *st)
     ni.erase("shared_alloc");
     ni.erase("shared_ver");
     ni["size"] = st->ext->cur_extend;
-    ni["mtime"] = nfstime_now_str();
+    ni["ctime"] = ni["mtime"] = nfstime_now_str();
     ni.erase("verf");
     return json11::Json(ni).dump();
 }
@@ -559,7 +559,7 @@ static std::string new_moved_ientry(nfs_kv_write_state *st)
     ni["shared_alloc"] = st->shared_alloc;
     ni.erase("shared_ver");
     ni["size"] = st->new_size;
-    ni["mtime"] = nfstime_now_str();
+    ni["ctime"] = ni["mtime"] = nfstime_now_str();
     ni.erase("verf");
     return json11::Json(ni).dump();
 }
@@ -569,7 +569,7 @@ static std::string new_shared_ientry(nfs_kv_write_state *st)
     auto ni = st->ientry.object_items();
     ni.erase("empty");
     ni["size"] = st->new_size;
-    ni["mtime"] = nfstime_now_str();
+    ni["ctime"] = ni["mtime"] = nfstime_now_str();
     ni["shared_ver"] = ni["shared_ver"].uint64_value()+1;
     ni.erase("verf");
     return json11::Json(ni).dump();
@@ -583,7 +583,7 @@ static std::string new_unshared_ientry(nfs_kv_write_state *st)
     ni.erase("shared_offset");
     ni.erase("shared_alloc");
     ni.erase("shared_ver");
-    ni["mtime"] = nfstime_now_str();
+    ni["ctime"] = ni["mtime"] = nfstime_now_str();
     ni.erase("verf");
     return json11::Json(ni).dump();
 }