check minfreespace on newest policy create

src/policy_newest.cpp

@@ -17,6 +17,7 @@
 #include "errno.hpp"
 #include "fs.hpp"
 #include "fs_exists.hpp"
+#include "fs_info.hpp"
 #include "fs_path.hpp"
 #include "policy.hpp"
 #include "policy_error.hpp"
@@ -36,13 +37,14 @@ namespace newest
   int
   create(const Branches        &branches_,
          const char            *fusepath,
+         const uint64_t         minfreespace,
          vector<const string*> &paths)
   {
     int rv;
     int error;
-    bool readonly;
     time_t newest;
     struct stat st;
+    fs::info_t info;
     const Branch *branch;
     const string *newestbasepath;
 
@@ -59,11 +61,13 @@ namespace newest
           error_and_continue(error,EROFS);
         if(st.st_mtime < newest)
           continue;
-        rv = fs::readonly(&branch->path,&readonly);
+        rv = fs::info(&branch->path,&info);
         if(rv == -1)
           error_and_continue(error,ENOENT);
-        if(readonly)
+        if(info.readonly)
           error_and_continue(error,EROFS);
+        if(info.spaceavail < minfreespace)
+          error_and_continue(error,ENOSPC);
 
         newest = st.st_mtime;
         newestbasepath = &branch->path;
@@ -169,7 +173,7 @@ namespace mergerfs
     switch(type)
       {
       case Category::Enum::create:
-        return newest::create(branches_,fusepath,paths);
+        return newest::create(branches_,fusepath,minfreespace,paths);
       case Category::Enum::action:
         return newest::action(branches_,fusepath,paths);
       case Category::Enum::search: