hfs/hfsplus: clean up unused variables in bnode.c

Delete variables 'tree' and 'sb', which are set but never used.

Link: http://lkml.kernel.org/r/1507977146-15875-1-git-send-email-chris.gekas@gmail.com
Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/hfs/bnode.c

@@ -98,13 +98,11 @@ void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)
 void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
 		struct hfs_bnode *src_node, int src, int len)
 {
-	struct hfs_btree *tree;
 	struct page *src_page, *dst_page;
 
 	hfs_dbg(BNODE_MOD, "copybytes: %u,%u,%u\n", dst, src, len);
 	if (!len)
 		return;
-	tree = src_node->tree;
 	src += src_node->page_offset;
 	dst += dst_node->page_offset;
 	src_page = src_node->page[0];
@@ -237,7 +235,6 @@ struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *tree, u32 cnid)
 
 static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
 {
-	struct super_block *sb;
 	struct hfs_bnode *node, *node2;
 	struct address_space *mapping;
 	struct page *page;
@@ -249,7 +246,6 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
 		return NULL;
 	}
 
-	sb = tree->inode->i_sb;
 	size = sizeof(struct hfs_bnode) + tree->pages_per_bnode *
 		sizeof(struct page *);
 	node = kzalloc(size, GFP_KERNEL);

fs/hfsplus/bnode.c

@@ -127,14 +127,12 @@ void hfs_bnode_clear(struct hfs_bnode *node, int off, int len)
 void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
 		    struct hfs_bnode *src_node, int src, int len)
 {
-	struct hfs_btree *tree;
 	struct page **src_page, **dst_page;
 	int l;
 
 	hfs_dbg(BNODE_MOD, "copybytes: %u,%u,%u\n", dst, src, len);
 	if (!len)
 		return;
-	tree = src_node->tree;
 	src += src_node->page_offset;
 	dst += dst_node->page_offset;
 	src_page = src_node->page + (src >> PAGE_SHIFT);
@@ -401,7 +399,6 @@ struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *tree, u32 cnid)
 
 static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
 {
-	struct super_block *sb;
 	struct hfs_bnode *node, *node2;
 	struct address_space *mapping;
 	struct page *page;
@@ -414,7 +411,6 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_btree *tree, u32 cnid)
 		return NULL;
 	}
 
-	sb = tree->inode->i_sb;
 	size = sizeof(struct hfs_bnode) + tree->pages_per_bnode *
 		sizeof(struct page *);
 	node = kzalloc(size, GFP_KERNEL);