fs: kill find_inode_nowait()

There's no good reason to be exporting an interface with such razor
sharp edges.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

2 files changed, 0 insertions, 55 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 72c4c347afb7..845d831168d0 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1404,56 +1404,6 @@ again:
 EXPORT_SYMBOL(ilookup);
 
 /**
- * find_inode_nowait - find an inode in the inode cache
- * @sb:		super block of file system to search
- * @hashval:	hash value (usually inode number) to search for
- * @match:	callback used for comparisons between inodes
- * @data:	opaque data pointer to pass to @match
- *
- * Search for the inode specified by @hashval and @data in the inode
- * cache, where the helper function @match will return 0 if the inode
- * does not match, 1 if the inode does match, and -1 if the search
- * should be stopped.  The @match function must be responsible for
- * taking the i_lock spin_lock and checking i_state for an inode being
- * freed or being initialized, and incrementing the reference count
- * before returning 1.  It also must not sleep, since it is called with
- * the inode_hash_lock spinlock held.
- *
- * This is a even more generalized version of ilookup5() when the
- * function must never block --- find_inode() can block in
- * __wait_on_freeing_inode() --- or when the caller can not increment
- * the reference count because the resulting iput() might cause an
- * inode eviction.  The tradeoff is that the @match funtion must be
- * very carefully implemented.
- */
-struct inode *find_inode_nowait(struct super_block *sb,
-				unsigned long hashval,
-				int (*match)(struct inode *, unsigned long,
-					     void *),
-				void *data)
-{
-	struct hlist_head *head = inode_hashtable + hash(sb, hashval);
-	struct inode *inode, *ret_inode = NULL;
-	int mval;
-
-	spin_lock(&inode_hash_lock);
-	hlist_for_each_entry(inode, head, i_hash) {
-		if (inode->i_sb != sb)
-			continue;
-		mval = match(inode, hashval, data);
-		if (mval == 0)
-			continue;
-		if (mval == 1)
-			ret_inode = inode;
-		goto out;
-	}
-out:
-	spin_unlock(&inode_hash_lock);
-	return ret_inode;
-}
-EXPORT_SYMBOL(find_inode_nowait);
-
-/**
  * find_inode_rcu - find an inode in the inode cache
  * @sb:		Super block of file system to search
  * @hashval:	Key to hash
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7519ae003a08..db24beeb63f2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2943,11 +2943,6 @@ extern struct inode *inode_insert5(struct inode *inode, unsigned long hashval,
 		void *data);
 extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *, void *), int (*set)(struct inode *, void *), void *);
 extern struct inode * iget_locked(struct super_block *, unsigned long);
-extern struct inode *find_inode_nowait(struct super_block *,
-				       unsigned long,
-				       int (*match)(struct inode *,
-						    unsigned long, void *),
-				       void *data);
 extern struct inode *find_inode_rcu(struct super_block *, unsigned long,
 				    int (*)(struct inode *, void *), void *);
 extern struct inode *find_inode_by_ino_rcu(struct super_block *, unsigned long);