Btrfs: cleanup warnings from gcc 4.6 (nonbugs)

[net-next-2.6.git] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0aa24717cd588787d3fa3afecbd2540b94a5727c..609f3bbbd1ed64ed7a65bcaf39f3c2ee941fc0b1 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -319,8 +319,6 @@ static noinline int compress_file_range(struct inode *inode,
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct btrfs_trans_handle *trans;
        u64 num_bytes;
-       u64 orig_start;
-       u64 disk_num_bytes;
        u64 blocksize = root->sectorsize;
        u64 actual_end;
        u64 isize = i_size_read(inode);
@@ -335,8 +333,6 @@ static noinline int compress_file_range(struct inode *inode,
        int i;
        int will_compress;
 
-       orig_start = start;
-
        actual_end = min_t(u64, isize, end + 1);
 again:
        will_compress = 0;
@@ -371,7 +367,6 @@ again:
        total_compressed = min(total_compressed, max_uncompressed);
        num_bytes = (end - start + blocksize) & ~(blocksize - 1);
        num_bytes = max(blocksize,  num_bytes);
-       disk_num_bytes = num_bytes;
        total_in = 0;
        ret = 0;
 
@@ -467,7 +462,6 @@ again:
                if (total_compressed >= total_in) {
                        will_compress = 0;
                } else {
-                       disk_num_bytes = total_compressed;
                        num_bytes = total_in;
                }
        }
@@ -757,8 +751,6 @@ static noinline int cow_file_range(struct inode *inode,
        u64 disk_num_bytes;
        u64 cur_alloc_size;
        u64 blocksize = root->sectorsize;
-       u64 actual_end;
-       u64 isize = i_size_read(inode);
        struct btrfs_key ins;
        struct extent_map *em;
        struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
@@ -770,8 +762,6 @@ static noinline int cow_file_range(struct inode *inode,
        btrfs_set_trans_block_group(trans, inode);
        trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
-       actual_end = min_t(u64, isize, end + 1);
-
        num_bytes = (end - start + blocksize) & ~(blocksize - 1);
        num_bytes = max(blocksize,  num_bytes);
        disk_num_bytes = num_bytes;
@@ -2274,7 +2264,6 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 {
        struct btrfs_path *path;
        struct extent_buffer *leaf;
-       struct btrfs_item *item;
        struct btrfs_key key, found_key;
        struct btrfs_trans_handle *trans;
        struct inode *inode;
@@ -2312,7 +2301,6 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 
                /* pull out the item */
                leaf = path->nodes[0];
-               item = btrfs_item_nr(leaf, path->slots[0]);
                btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
 
                /* make sure the item matches what we want */
@@ -5701,7 +5689,6 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct btrfs_dio_private *dip;
        struct bio_vec *bvec = bio->bi_io_vec;
-       u64 start;
        int skip_sum;
        int write = rw & REQ_WRITE;
        int ret = 0;
@@ -5727,7 +5714,6 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode,
        dip->inode = inode;
        dip->logical_offset = file_offset;
 
-       start = dip->logical_offset;
        dip->bytes = 0;
        do {
                dip->bytes += bvec->bv_len;