Increased size of FAT filesystems by 1MB

This prevents a 'No space left on device' error from occuring for large kernel images. Implements suggestion in rust-osdev#438 by Ferdia McKeogh <[email protected]>
MarkRoss470 · Jul 4, 2024 · d1c4983 · d1c4983
1 parent bf950a4
commit d1c4983
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fat.rs b/src/fat.rs
@@ -26,7 +26,7 @@ pub fn create_fat_filesystem(
         .truncate(true)
         .open(out_fat_path)
         .unwrap();
-    let fat_size_padded_and_rounded = ((needed_size + 1024 * 64 - 1) / MB + 1) * MB + MB;
+    let fat_size_padded_and_rounded = ((needed_size + 1024 * 64 - 1) / MB + 2) * MB + MB;
     fat_file.set_len(fat_size_padded_and_rounded).unwrap();
 
     // choose a file system label