diff options
Diffstat (limited to 'kernel/buf.h')
-rw-r--r-- | kernel/buf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/buf.h b/kernel/buf.h index ae9d264..4a3a39d 100644 --- a/kernel/buf.h +++ b/kernel/buf.h @@ -1,5 +1,6 @@ struct buf { int valid; // has data been read from disk? + int disk; // does disk "own" buf? uint dev; uint blockno; struct sleeplock lock; |