btrfs: fix uninitialized variable warning in btrfs_update_block_group

reclaim isn't set in the alloc case, however we only care about
reclaim in the !alloc case.  This isn't an actual problem, however
-Wmaybe-uninitialized will complain, so initialize reclaim to quiet the
compiler.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 708d843..e908003 100644 (file)
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -3330,7 +3330,7 @@ int btrfs_update_block_group(struct btrfs_trans_handle *trans,
        spin_unlock(&info->delalloc_root_lock);
 
        while (total) {
-               bool reclaim;
+               bool reclaim = false;
 
                cache = btrfs_lookup_block_group(info, bytenr);
                if (!cache) {