Re: [PATCH] staging: erofs: make use of DBG_BUGON

From: Gao Xiang
Date: Sat Jun 08 2019 - 08:16:05 EST




On 2019/6/8 ??????5:49, Hariprasad Kelam wrote:
> DBG_BUGON is introduced and it could only crash when EROFS_FS_DEBUG
> (EROFS developping feature) is on.
> replace BUG_ON with DBG_BUGON.
>
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@xxxxxxxxx>
Reviewed-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>

Thanks,
Gao Xiang

> ---
> drivers/staging/erofs/unzip_vle.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/erofs/unzip_vle.h b/drivers/staging/erofs/unzip_vle.h
> index 517e5ce..902e67d 100644
> --- a/drivers/staging/erofs/unzip_vle.h
> +++ b/drivers/staging/erofs/unzip_vle.h
> @@ -147,7 +147,7 @@ static inline unsigned z_erofs_onlinepage_index(struct page *page)
> {
> union z_erofs_onlinepage_converter u;
>
> - BUG_ON(!PagePrivate(page));
> + DBG_BUGON(!PagePrivate(page));
> u.v = &page_private(page);
>
> return atomic_read(u.o) >> Z_EROFS_ONLINEPAGE_INDEX_SHIFT;
> @@ -179,7 +179,7 @@ static inline void z_erofs_onlinepage_fixup(struct page *page,
> if (!index)
> return;
>
> - BUG_ON(id != index);
> + DBG_BUGON(id != index);
> }
>
> v = (index << Z_EROFS_ONLINEPAGE_INDEX_SHIFT) |
> @@ -193,7 +193,7 @@ static inline void z_erofs_onlinepage_endio(struct page *page)
> union z_erofs_onlinepage_converter u;
> unsigned v;
>
> - BUG_ON(!PagePrivate(page));
> + DBG_BUGON(!PagePrivate(page));
> u.v = &page_private(page);
>
> v = atomic_dec_return(u.o);
>