On Mon, Feb 13, 2017 at 10:33:39AM +0100, David Sterba wrote:
> write_all_supers and write_ctree_super are almost equal, the parameter
> 'trans' is unused so we can drop it and have just one helper.
Reviewed-by: Liu Bo <bo.li....@oracle.com>
Thanks,
-liubo
>
> Signed-off-by: David Sterba <dste...@suse.com>
> ---
> fs/btrfs/disk-io.c | 8 +-------
> fs/btrfs/disk-io.h | 3 +--
> fs/btrfs/transaction.c | 2 +-
> fs/btrfs/tree-log.c | 2 +-
> 4 files changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 43e71457c193..441a62cd0351 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -3695,7 +3695,7 @@ int btrfs_calc_num_tolerated_disk_barrier_failures(
> return num_tolerated_disk_barrier_failures;
> }
>
> -static int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
> +int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors)
> {
> struct list_head *head;
> struct btrfs_device *dev;
> @@ -3789,12 +3789,6 @@ static int write_all_supers(struct btrfs_fs_info
> *fs_info, int max_mirrors)
> return 0;
> }
>
> -int write_ctree_super(struct btrfs_trans_handle *trans,
> - struct btrfs_fs_info *fs_info, int max_mirrors)
> -{
> - return write_all_supers(fs_info, max_mirrors);
> -}
> -
> /* Drop a fs root from the radix tree and free it. */
> void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
> struct btrfs_root *root)
> diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
> index 1864e7ce9c70..0be2d4fe705b 100644
> --- a/fs/btrfs/disk-io.h
> +++ b/fs/btrfs/disk-io.h
> @@ -57,8 +57,7 @@ int open_ctree(struct super_block *sb,
> struct btrfs_fs_devices *fs_devices,
> char *options);
> void close_ctree(struct btrfs_fs_info *fs_info);
> -int write_ctree_super(struct btrfs_trans_handle *trans,
> - struct btrfs_fs_info *fs_info, int max_mirrors);
> +int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors);
> struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
> int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
> struct buffer_head **bh_ret);
> diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
> index 48aabb367f73..7d1d71259cd0 100644
> --- a/fs/btrfs/transaction.c
> +++ b/fs/btrfs/transaction.c
> @@ -2261,7 +2261,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle
> *trans)
> goto scrub_continue;
> }
>
> - ret = write_ctree_super(trans, fs_info, 0);
> + ret = write_all_supers(fs_info, 0);
> if (ret) {
> mutex_unlock(&fs_info->tree_log_mutex);
> goto scrub_continue;
> diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
> index cea93ba1f099..62dd138018b5 100644
> --- a/fs/btrfs/tree-log.c
> +++ b/fs/btrfs/tree-log.c
> @@ -2961,7 +2961,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
> * the running transaction open, so a full commit can't hop
> * in and cause problems either.
> */
> - ret = write_ctree_super(trans, fs_info, 1);
> + ret = write_all_supers(fs_info, 1);
> if (ret) {
> btrfs_set_log_full_commit(fs_info, trans);
> btrfs_abort_transaction(trans, ret);
> --
> 2.10.1
>
> --
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