hvt: Don't use fallocate outside Linux

Solo5 · Mar 11, 2019 · 20b8342 · 20b8342
1 parent 44ca733
commit 20b8342
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tenders/hvt/hvt_module_blk.c b/tenders/hvt/hvt_module_blk.c
@@ -93,6 +93,7 @@ static void hypercall_blkdiscard(struct hvt *hvt, hvt_gpa_t gpa)
         return;
     }
 
+#if defined(__linux__)
     ret = fallocate(
             diskfd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, pos, len);
     if (ret != 0)
@@ -104,6 +105,9 @@ static void hypercall_blkdiscard(struct hvt *hvt, hvt_gpa_t gpa)
     } else {
         di->ret = 0;
     }
+#else
+    di->ret = -2;
+#endif
 }
 
 static void hypercall_blkread(struct hvt *hvt, hvt_gpa_t gpa)