linux-ext4 - Re: [PATCH 12/12] ext4: simplify parameters of reserve_backup

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Date:	Mon, 18 Jul 2011 10:12:19 +0300
From:	Amir Goldstein <amir73il@...il.com>
To:	Yongqiang Yang <xiaoqiangnk@...il.com>
Cc:	linux-ext4@...r.kernel.org, aedilger@...il.com
Subject: Re: [PATCH 12/12] ext4: simplify parameters of reserve_backup_gdb()

On Mon, Jul 18, 2011 at 5:52 AM, Yongqiang Yang <xiaoqiangnk@...il.com> wrote:
> reserve_backup_gdb() only needs the no. of a group, there is no need to pass
> a pointer to struct ext4_new_group_data to it.
>
> Signed-off-by: Yongqiang Yang <xiaoqiangnk@...il.com>

Acked-by: Amir Goldstein" <amir73il@...rs.sf.net>
For All 12 patches.

> ---
>  fs/ext4/resize.c |   12 +++++++-----
>  1 files changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
> index 52d0426..3e790ad 100644
> --- a/fs/ext4/resize.c
> +++ b/fs/ext4/resize.c
> @@ -556,7 +556,7 @@ exit_bh:
>  * backup GDT blocks are stored in their reserved primary GDT block.
>  */
>  static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
> -                             struct ext4_new_group_data *input)
> +                             ext4_group_t group)
>  {
>        struct super_block *sb = inode->i_sb;
>        int reserved_gdb =le16_to_cpu(EXT4_SB(sb)->s_es->s_reserved_gdt_blocks);
> @@ -627,7 +627,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
>         * Finally we can add each of the reserved backup GDT blocks from
>         * the new group to its reserved primary GDT block.
>         */
> -       blk = input->group * EXT4_BLOCKS_PER_GROUP(sb);
> +       blk = group * EXT4_BLOCKS_PER_GROUP(sb);
>        for (i = 0; i < reserved_gdb; i++) {
>                int err2;
>                data = (__le32 *)primary[i]->b_data;
> @@ -841,9 +841,11 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
>                if ((err = ext4_journal_get_write_access(handle, primary)))
>                        goto exit_journal;
>
> -               if (reserved_gdb && ext4_bg_num_gdb(sb, input->group) &&
> -                   (err = reserve_backup_gdb(handle, inode, input)))
> -                       goto exit_journal;
> +               if (reserved_gdb && ext4_bg_num_gdb(sb, input->group)) {
> +                       err = reserve_backup_gdb(handle, inode, input->group);
> +                       if (err)
> +                               goto exit_journal;
> +               }
>        } else {
>                err = add_new_gdb(handle, inode, input->group);
>                if (err)
> --
> 1.7.5.1
>
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