Btrfs: cleanup warnings from gcc 4.6 (nonbugs)

These are all the cases where a variable is set, but not read which are
not bugs as far as I can see, but simply leftovers.

Still needs more review.

Found by gcc 4.6's new warnings

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index 3e2b90eaa239..b9cd5445f71c 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -199,8 +199,6 @@ int btrfs_zlib_compress_pages(struct address_space *mapping,
         int nr_pages = 0;
         struct page *in_page = NULL;
         struct page *out_page = NULL;
-        int out_written = 0;
-        int in_read = 0;
         unsigned long bytes_left;
 
         *out_pages = 0;
@@ -233,9 +231,6 @@ int btrfs_zlib_compress_pages(struct address_space *mapping,
         workspace->def_strm.avail_out = PAGE_CACHE_SIZE;
         workspace->def_strm.avail_in = min(len, PAGE_CACHE_SIZE);
 
-        out_written = 0;
-        in_read = 0;
-
         while (workspace->def_strm.total_in < len) {
                 ret = zlib_deflate(&workspace->def_strm, Z_SYNC_FLUSH);
                 if (ret != Z_OK) {