btrfs: use standard debug config option to enable free-space-cache debug prints

free-space-cache.c has it's own set of DEBUG ifdefs which need to be
turned on instead of the global CONFIG_BTRFS_DEBUG to print debug
messages about failed block-group writes.

Switch this over to CONFIG_BTRFS_DEBUG so we always see these messages
when running a debug kernel.

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

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index c65b0e6..460a6c1 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1191,7 +1191,7 @@ out:
                invalidate_inode_pages2(inode->i_mapping);
                BTRFS_I(inode)->generation = 0;
                if (block_group) {
-#ifdef DEBUG
+#ifdef CONFIG_BTRFS_DEBUG
                        btrfs_err(root->fs_info,
                                  "failed to write free space cache for block group %llu",
                                  block_group->start);
@@ -1417,7 +1417,7 @@ int btrfs_write_out_cache(struct btrfs_trans_handle *trans,
        ret = __btrfs_write_out_cache(fs_info->tree_root, inode, ctl,
                                block_group, &block_group->io_ctl, trans);
        if (ret) {
-#ifdef DEBUG
+#ifdef CONFIG_BTRFS_DEBUG
                btrfs_err(fs_info,
                          "failed to write free space cache for block group %llu",
                          block_group->start);
@@ -4037,7 +4037,7 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
                if (release_metadata)
                        btrfs_delalloc_release_metadata(BTRFS_I(inode),
                                        inode->i_size, true);
-#ifdef DEBUG
+#ifdef CONFIG_BTRFS_DEBUG
                btrfs_err(fs_info,
                          "failed to write free ino cache for root %llu",
                          root->root_key.objectid);