diff options
Diffstat (limited to 'fs/squashfs/page_actor.h')
-rw-r--r-- | fs/squashfs/page_actor.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/squashfs/page_actor.h b/fs/squashfs/page_actor.h index 5b0ba5a7133a..26dd82008b82 100644 --- a/fs/squashfs/page_actor.h +++ b/fs/squashfs/page_actor.h @@ -8,6 +8,7 @@ * the COPYING file in the top-level directory. */ +#ifndef CONFIG_SQUASHFS_FILE_DIRECT struct squashfs_page_actor { void **page; int pages; @@ -46,4 +47,35 @@ static inline void squashfs_finish_page(struct squashfs_page_actor *actor) { /* empty */ } +#else +struct squashfs_page_actor { + union { + void **buffer; + struct page **page; + }; + void *pageaddr; + void *(*squashfs_first_page)(struct squashfs_page_actor *); + void *(*squashfs_next_page)(struct squashfs_page_actor *); + void (*squashfs_finish_page)(struct squashfs_page_actor *); + int pages; + int length; + int next_page; +}; + +extern struct squashfs_page_actor *squashfs_page_actor_init(void **, int, int); +extern struct squashfs_page_actor *squashfs_page_actor_init_special(struct page + **, int, int); +static inline void *squashfs_first_page(struct squashfs_page_actor *actor) +{ + return actor->squashfs_first_page(actor); +} +static inline void *squashfs_next_page(struct squashfs_page_actor *actor) +{ + return actor->squashfs_next_page(actor); +} +static inline void squashfs_finish_page(struct squashfs_page_actor *actor) +{ + actor->squashfs_finish_page(actor); +} +#endif #endif |