Changeset 2953

Timestamp:

Apr 25, 2012 6:53:43 AM (13 months ago)

Author:

quozl

Message:

ext2fs - interpret a zero physical block in the block list of an inode as meaning the block does not exist, OLPC trac #11812

File:

• ofw/fs/ext2fs/layout.fth (modified) (1 diff)

ofw/fs/ext2fs/layout.fth

@@ -72 +72 @@
       exit                    ( -- false )
    then                       ( adr )
-   int@ u>d  true             ( d.physical-block# true )
+   int@ dup 0<>  if           ( u.physical-block# )
+      u>d true                ( -- d.physical-block# true )
+   then                       ( -- false ) \ there is no physical block
 ;