From fcdc0929c6ea051dad59818210df53fd03eaf4b1 Mon Sep 17 00:00:00 2001 From: Chris Ball Date: Mon, 7 Mar 2011 10:05:21 -0500 Subject: Fix unused-but-set errors in gcc-4.6 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit gcc-4.6 (as shipped in Fedora) turns on -Wunused-but-set-variable by default, which breaks the build when combined with -Wall, e.g.: debug-tree.c: In function ‘print_extent_leaf’: debug-tree.c:45:13: error: variable ‘last_len’ set but not used [-Werror=unused-but-set-variable] debug-tree.c:44:13: error: variable ‘last’ set but not used [-Werror=unused-but-set-variable] debug-tree.c:41:21: error: variable ‘item’ set but not used [-Werror=unused-but-set-variable] cc1: all warnings being treated as errors This patch fixes the errors by removing the unused variables. Signed-off-by: Chris Ball Signed-off-by: Hugo Mills --- disk-io.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'disk-io.c') diff --git a/disk-io.c b/disk-io.c index f4368f3d..90228556 100644 --- a/disk-io.c +++ b/disk-io.c @@ -123,7 +123,6 @@ int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, u64 parent_transid) { int ret; - int dev_nr; struct extent_buffer *eb; u64 length; struct btrfs_multi_bio *multi = NULL; @@ -135,7 +134,6 @@ int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, return 0; } - dev_nr = 0; length = blocksize; ret = btrfs_map_block(&root->fs_info->mapping_tree, READ, bytenr, &length, &multi, 0); @@ -177,7 +175,6 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, u64 parent_transid) { int ret; - int dev_nr; struct extent_buffer *eb; u64 length; struct btrfs_multi_bio *multi = NULL; @@ -192,7 +189,6 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, if (btrfs_buffer_uptodate(eb, parent_transid)) return eb; - dev_nr = 0; length = blocksize; while (1) { ret = btrfs_map_block(&root->fs_info->mapping_tree, READ, -- cgit v1.2.3