Re: [PATCH v3 3/4] zram: make deduplication feature optional

Sergey Senozhatsky
2017-04-25T10:24:57Z

Hello,

On (04/21/17 10:14), js1304@gmail.com wrote:
[..]
> int zram_dedup_init(struct zram *zram, size_t num_pages);
> void zram_dedup_fini(struct zram *zram);
> +#else
> +
> +static inline u64 zram_dedup_dup_size(struct zram *zram) { return 0; }
> +static inline u64 zram_dedup_meta_size(struct zram *zram) { return 0; }
> +
> +static inline void zram_dedup_insert(struct zram *zram, struct zram_entry *new,
> + u32 checksum) { }
> +static inline struct zram_entry *zram_dedup_find(struct zram *zram,
> + struct page *page, u32 *checksum) { return NULL; }
> +
> +static inline void zram_dedup_init_entry(struct zram *zram,
> + struct zram_entry *entry, unsigned long handle,
> + unsigned int len) { }
> +static inline bool zram_dedup_put_entry(struct zram *zram,
> + struct zram_entry *entry) { return true; }
> +
> +static inline int zram_dedup_init(struct zram *zram,
> + size_t num_pages) { return 0; }
> +static inline void zram_dedup_fini(struct zram *zram) { }
> +
> +#endif

doesn't compile on CONFIG_ZRAM=m config.

-ss