From: rtm <rtm>
Date: Mon, 20 Oct 2008 18:05:48 +0000 (+0000)
Subject: Explain why itrunc() is OK w.r.t. crashes.
X-Git-Url: https://git.devinivas.org/?a=commitdiff_plain;h=8eb20827c273df183986f95fc13cad8b28ea8ae6;p=cs3210-lab0.git

Explain why itrunc() is OK w.r.t. crashes.
---

diff --git a/fs.c b/fs.c
index 70c7ec1..91533d1 100644
--- a/fs.c
+++ b/fs.c
@@ -359,6 +359,8 @@ bmap(struct inode *ip, uint bn, int alloc)
 }
 
 // Truncate inode (discard contents).
+// Only called after the last dirent referring
+// to this inode has been erased on disk.
 static void
 itrunc(struct inode *ip)
 {