1 files changed, 0 insertions, 11 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 81f3433fe4fd..d84667379f01 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -465,13 +465,10 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root,
 
 static int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
 {
-        struct extent_io_tree *tree;
         u64 start = page_offset(page);
         u64 found_start;
         struct extent_buffer *eb;
 
-        tree = &BTRFS_I(page->mapping->host)->io_tree;
-
         eb = (struct extent_buffer *)page->private;
         if (page != eb->pages[0])
                 return 0;
@@ -570,7 +567,6 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
                                       u64 phy_offset, struct page *page,
                                       u64 start, u64 end, int mirror)
 {
-        struct extent_io_tree *tree;
         u64 found_start;
         int found_level;
         struct extent_buffer *eb;
@@ -581,7 +577,6 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
         if (!page->private)
                 goto out;
 
-        tree = &BTRFS_I(page->mapping->host)->io_tree;
         eb = (struct extent_buffer *)page->private;
 
         /* the pending IO might have been the only thing that kept this buffer
@@ -968,11 +963,9 @@ static int btree_migratepage(struct address_space *mapping,
 static int btree_writepages(struct address_space *mapping,
                             struct writeback_control *wbc)
 {
-        struct extent_io_tree *tree;
         struct btrfs_fs_info *fs_info;
         int ret;
 
-        tree = &BTRFS_I(mapping->host)->io_tree;
         if (wbc->sync_mode == WB_SYNC_NONE) {
 
                 if (wbc->for_kupdate)
@@ -1274,7 +1267,6 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
         struct btrfs_root *root;
         struct btrfs_key key;
         int ret = 0;
-        u64 bytenr;
         uuid_le uuid;
 
         root = btrfs_alloc_root(fs_info);
@@ -1296,7 +1288,6 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
                 goto fail;
         }
 
-        bytenr = leaf->start;
         memset_extent_buffer(leaf, 0, 0, sizeof(struct btrfs_header));
         btrfs_set_header_bytenr(leaf, leaf->start);
         btrfs_set_header_generation(leaf, trans->transid);
@@ -1685,12 +1676,10 @@ static void end_workqueue_fn(struct btrfs_work *work)
 {
         struct bio *bio;
         struct end_io_wq *end_io_wq;
-        struct btrfs_fs_info *fs_info;
         int error;
 
         end_io_wq = container_of(work, struct end_io_wq, work);
         bio = end_io_wq->bio;
-        fs_info = end_io_wq->info;
 
         error = end_io_wq->error;
         bio->bi_private = end_io_wq->private;