Commit 3361c7be authored by Jeffrey Layton's avatar Jeffrey Layton Committed by Linus Torvalds
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make iunique use a do/while loop rather than its obscure goto loop



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: default avatarJeff Layton <jlayton@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9d0633cf
......@@ -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)
......
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