Re: [PATCH 18/18] migration: Remove not needed file parameter for save_zero_page*

[Lukas Straub <lukasstraub2@web.de>]

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On Tue, 13 Jun 2023 16:57:57 +0200
Juan Quintela <quintela@redhat.com> wrote:

> Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Lukas Straub <lukasstraub2@web.de>

> ---
>  migration/ram.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index 0259c33da7..ae11d0e992 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -1069,16 +1069,15 @@ void ram_release_page(const char *rbname, uint64_t offset)
>   * @pss: current PSS channel
>   * @offset: offset inside the block for the page
>   */
> -static int save_zero_page_to_file(PageSearchStatus *pss, QEMUFile *file,
> -                                  ram_addr_t offset)
> +static int save_zero_page_to_file(PageSearchStatus *pss, ram_addr_t offset)
>  {
>      uint8_t *p = pss->block->host + offset;
>      int len = 0;
>  
>      if (buffer_is_zero(p, TARGET_PAGE_SIZE)) {
> -        len += save_page_header(pss, file, pss->block,
> +        len += save_page_header(pss, pss->pss_channel, pss->block,
>                                  offset | RAM_SAVE_FLAG_ZERO);
> -        qemu_put_byte(file, 0);
> +        qemu_put_byte(pss->pss_channel, 0);
>          len += 1;
>          ram_release_page(pss->block->idstr, offset);
>      }
> @@ -1093,9 +1092,9 @@ static int save_zero_page_to_file(PageSearchStatus *pss, QEMUFile *file,
>   * @pss: current PSS channel
>   * @offset: offset inside the block for the page
>   */
> -static int save_zero_page(PageSearchStatus *pss, QEMUFile *f, ram_addr_t offset)
> +static int save_zero_page(PageSearchStatus *pss, ram_addr_t offset)
>  {
> -    int len = save_zero_page_to_file(pss, f, offset);
> +    int len = save_zero_page_to_file(pss, offset);
>  
>      if (len) {
>          stat64_add(&mig_stats.zero_pages, 1);
> @@ -2031,7 +2030,7 @@ static int ram_save_target_page_legacy(RAMState *rs, PageSearchStatus *pss)
>          return 1;
>      }
>  
> -    res = save_zero_page(pss, pss->pss_channel, offset);
> +    res = save_zero_page(pss, offset);
>      if (res > 0) {
>          /* Must let xbzrle know, otherwise a previous (now 0'd) cached
>           * page would be stale


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