On Sun, Aug 12, 2018 at 10:01:46PM +0800, Chao Yu wrote:
> From: Gao Xiang <gaoxian...@huawei.com>
>
> This patch introduces 'struct z_erofs_vle_work_finder' to clean up
> arguments of z_erofs_vle_work_lookup and z_erofs_vle_work_register.
>
> Signed-off-by: Gao Xiang <gaoxian...@huawei.com>
> Reviewed-by: Chao Yu <yuch...@huawei.com>
> Signed-off-by: Chao Yu <yuch...@huawei.com>
> ---
> drivers/staging/erofs/unzip_vle.c | 89 ++++++++++++++++---------------
> 1 file changed, 47 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/staging/erofs/unzip_vle.c
> b/drivers/staging/erofs/unzip_vle.c
> index b2e05e2b4116..5032b3b05de1 100644
> --- a/drivers/staging/erofs/unzip_vle.c
> +++ b/drivers/staging/erofs/unzip_vle.c
> @@ -271,36 +271,42 @@ static inline bool try_to_claim_workgroup(
> return true; /* lucky, I am the followee :) */
> }
>
> +struct z_erofs_vle_work_finder {
> + struct super_block *sb;
> + pgoff_t idx;
> + unsigned pageofs;
> +
> + struct z_erofs_vle_workgroup **grp_ret;
> + enum z_erofs_vle_work_role *role;
> + z_erofs_vle_owned_workgrp_t *owned_head;
> + bool *hosted;
> +};
> +
> static struct z_erofs_vle_work *
> -z_erofs_vle_work_lookup(struct super_block *sb,
> - pgoff_t idx, unsigned pageofs,
> - struct z_erofs_vle_workgroup **grp_ret,
> - enum z_erofs_vle_work_role *role,
> - z_erofs_vle_owned_workgrp_t *owned_head,
> - bool *hosted)
> +z_erofs_vle_work_lookup(const struct z_erofs_vle_work_finder *f)
> {
> bool tag, primary;
> struct erofs_workgroup *egrp;
> struct z_erofs_vle_workgroup *grp;
> struct z_erofs_vle_work *work;
>
> - egrp = erofs_find_workgroup(sb, idx, &tag);
> + egrp = erofs_find_workgroup(f->sb, f->idx, &tag);
> if (egrp == NULL) {
> - *grp_ret = NULL;
> + *f->grp_ret = NULL;
All these pointers to pointer seem a bit messy. Just do this:
struct z_erofs_vle_workgroup *grp;
Then replace "grp" in z_erofs_vle_work_iter_begin() with finder.grp;
regards,
dan carpenter
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