On 12/3/20 6:53 PM, Qiaowei Ren wrote:
> This patch implements get_allocated_pages() of the buddy to be used to
> get allocated pages from specific owner.
>
> Signed-off-by: Jianpeng Ma <jianpeng.ma@xxxxxxxxx>
> Signed-off-by: Qiaowei Ren <qiaowei.ren@xxxxxxxxx>
> ---
> drivers/md/bcache/nvm-pages.c | 36 +++++++++++++++++++++++++++++++++++
> drivers/md/bcache/nvm-pages.h | 7 +++++++
> 2 files changed, 43 insertions(+)
>
[snipped]
> diff --git a/drivers/md/bcache/nvm-pages.h b/drivers/md/bcache/nvm-pages.h
> index 1e435ce0ddf4..4f0374459459 100644
> --- a/drivers/md/bcache/nvm-pages.h
> +++ b/drivers/md/bcache/nvm-pages.h
> @@ -80,6 +80,8 @@ extern void bch_nvm_exit(void);
> extern void *nvm_alloc_pages(int order, const char *owner_uuid);
> extern void nvm_free_pages(void *addr, int order, const char *owner_uuid);
>
> +extern struct extent *get_allocated_pages(const char *owner_uuid);
> +
We should have a bch_ prefix for the above function name, and maybe
"extern" can be removed here too.
> #else
>
> static inline struct nvm_namespace *register_namespace(const char *dev_path)
> @@ -95,6 +97,11 @@ static inline void bch_nvm_exit(void) { }
> static inline void *nvm_alloc_pages(int order, const char *owner_uuid) { }
> static inline void nvm_free_pages(void *addr, int order, const char *owner_uuid) { }
>
> +static inline struct extent *get_allocated_pages(const char *owner_uuid)
> +{
> + return NULL;
> +}
> +
> #endif /* CONFIG_BCACHE_NVM_PAGES */
>
> #endif /* _BCACHE_NVM_PAGES_H */
Thanks
Coly Li
