make iunique use a do/while loop rather than its obscure goto loop

3361c7be · Jeffrey Layton <[email protected]> · 2007-05-08 00:29:48 -07:00

A while back, Christoph mentioned that he thought that iunique ought to be
cleaned up to use a more conventional loop construct. This patch does that,
turning the strange goto loop into a do/while.

Signed-off-by: Jeff Layton <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 3361c7bebbf207f57f3dd1282cd87e1e37c082ac
Parents: 9d0633cf

Changes

1 files changed · +10 −14

File	Status	Add	Del	Content
fs/inode.c	modified	+10	−14	View file

fs/inode.c

View file

diff --git a/fs/inode.c b/fs/inode.c
index c030894..81508b0 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -685,25 +685,21 @@ ino_t iunique(struct super_block *sb, ino_t max_reserved)
 {
 	static ino_t counter;
 	struct inode *inode;
-	struct hlist_head * head;
+	struct hlist_head *head;
 	ino_t res;
+
 	spin_lock(&inode_lock);
-retry:
-	if (counter > max_reserved) {
-		head = inode_hashtable + hash(sb,counter);
+	do {
+		if (counter <= max_reserved)
+			counter = max_reserved + 1;
 		res = counter++;
+		head = inode_hashtable + hash(sb, res);
 		inode = find_inode_fast(sb, head, res);
-		if (!inode) {
-			spin_unlock(&inode_lock);
-			return res;
-		}
-	} else {
-		counter = max_reserved + 1;
-	}
-	goto retry;
-	
-}
+	} while (inode != NULL);
+	spin_unlock(&inode_lock);
 
+	return res;
+}
 EXPORT_SYMBOL(iunique);
 
 struct inode *igrab(struct inode *inode)