On 12.10.2018 09:42, Qu Wenruo wrote:
> The only user of it is "btrfs inspect dump-super".
>
> Signed-off-by: Qu Wenruo <w...@suse.com>
> ---
> cmds-inspect-dump-super.c | 4 ++--
> ctree.h | 6 ++----
> 2 files changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/cmds-inspect-dump-super.c b/cmds-inspect-dump-super.c
> index e965267c5d96..3f33931ed9bc 100644
> --- a/cmds-inspect-dump-super.c
> +++ b/cmds-inspect-dump-super.c
> @@ -387,8 +387,8 @@ static void dump_superblock(struct btrfs_super_block *sb,
> int full)
> (unsigned long long)btrfs_super_chunk_root_level(sb));
> printf("log_root\t\t%llu\n",
> (unsigned long long)btrfs_super_log_root(sb));
> - printf("log_root_transid\t%llu\n",
> - (unsigned long long)btrfs_super_log_root_transid(sb));
> + printf("log_root_transid (deprecated)\t%llu\n",
> + le64_to_cpu(sb->__unused_log_root_transid));
This should be entirely removed.
> printf("log_root_level\t\t%llu\n",
> (unsigned long long)btrfs_super_log_root_level(sb));
> printf("total_bytes\t\t%llu\n",
> diff --git a/ctree.h b/ctree.h
> index 4719962df67d..a314fdb102b0 100644
> --- a/ctree.h
> +++ b/ctree.h
> @@ -427,8 +427,8 @@ struct btrfs_super_block {
> __le64 chunk_root;
> __le64 log_root;
>
> - /* this will help find the new super based on the log root */
> - __le64 log_root_transid;
> + /* This member is never touched, should always be 0 */
> + __le64 __unused_log_root_transid;
> __le64 total_bytes;
> __le64 bytes_used;
> __le64 root_dir_objectid;
> @@ -2203,8 +2203,6 @@ BTRFS_SETGET_STACK_FUNCS(super_chunk_root_level, struct
> btrfs_super_block,
> chunk_root_level, 8);
> BTRFS_SETGET_STACK_FUNCS(super_log_root, struct btrfs_super_block,
> log_root, 64);
> -BTRFS_SETGET_STACK_FUNCS(super_log_root_transid, struct btrfs_super_block,
> - log_root_transid, 64);
> BTRFS_SETGET_STACK_FUNCS(super_log_root_level, struct btrfs_super_block,
> log_root_level, 8);
> BTRFS_SETGET_STACK_FUNCS(super_total_bytes, struct btrfs_super_block,
>
