Comments.

[pintos-anon] / src / filesys / filesys.c

diff --git a/src/filesys/filesys.c b/src/filesys/filesys.c
index 59212ca774f3cf64e3878d82a593216bf294101d..e16c4879e24c7f471f650b5346914387487f6e30 100644 (file)
--- a/src/filesys/filesys.c
+++ b/src/filesys/filesys.c
@@ -166,7 +166,7 @@ filesys_create (const char *name, off_t initial_size)
   if (free_map == NULL)
     goto done;
   bitmap_read (free_map, free_map_file);
-  inode_sector = bitmap_find_and_set (free_map);
+  inode_sector = bitmap_scan_and_flip (free_map, 0, 1, false);
   if (inode_sector == BITMAP_ERROR)
     goto done;
 
@@ -197,7 +197,8 @@ filesys_create (const char *name, off_t initial_size)
 
 /* Opens a file named NAME and initializes FILE for usage with
    the file_*() functions declared in file.h.
-   Returns true if successful, false on failure.
+   Returns the new file if successful or a null pointer
+   otherwise.
    Fails if no file named NAME exists,
    or if an internal memory allocation fails. */
 struct file *