On Tue, May 17, 2022 at 11:36 AM Phillip Lougher
<phillip@xxxxxxxxxxxxxxx> wrote:
>
> Squashfs_readahead uses the "file direct" version of the page
> actor, and so build it unconditionally.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
Tested-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
Tested with CONFIG_SQUASHFS_FILE_DIRECT unselected. I'll pick this
patch to the series. Thanks
> ---
> fs/squashfs/Makefile | 4 ++--
> fs/squashfs/page_actor.h | 41 ----------------------------------------
> 2 files changed, 2 insertions(+), 43 deletions(-)
>
> diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
> index 7bd9b8b856d0..477c89a519ee 100644
> --- a/fs/squashfs/Makefile
> +++ b/fs/squashfs/Makefile
> @@ -5,9 +5,9 @@
>
> obj-$(CONFIG_SQUASHFS) += squashfs.o
> squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
> -squashfs-y += namei.o super.o symlink.o decompressor.o
> +squashfs-y += namei.o super.o symlink.o decompressor.o page_actor.o
> squashfs-$(CONFIG_SQUASHFS_FILE_CACHE) += file_cache.o
> -squashfs-$(CONFIG_SQUASHFS_FILE_DIRECT) += file_direct.o page_actor.o
> +squashfs-$(CONFIG_SQUASHFS_FILE_DIRECT) += file_direct.o
> squashfs-$(CONFIG_SQUASHFS_DECOMP_SINGLE) += decompressor_single.o
> squashfs-$(CONFIG_SQUASHFS_DECOMP_MULTI) += decompressor_multi.o
> squashfs-$(CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU) += decompressor_multi_percpu.o
> diff --git a/fs/squashfs/page_actor.h b/fs/squashfs/page_actor.h
> index 2e3073ace009..26e07373af8a 100644
> --- a/fs/squashfs/page_actor.h
> +++ b/fs/squashfs/page_actor.h
> @@ -6,46 +6,6 @@
> * Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
> */
>
> -#ifndef CONFIG_SQUASHFS_FILE_DIRECT
> -struct squashfs_page_actor {
> - void **page;
> - int pages;
> - int length;
> - int next_page;
> -};
> -
> -static inline struct squashfs_page_actor *squashfs_page_actor_init(void **page,
> - int pages, int length)
> -{
> - struct squashfs_page_actor *actor = kmalloc(sizeof(*actor), GFP_KERNEL);
> -
> - if (actor == NULL)
> - return NULL;
> -
> - actor->length = length ? : pages * PAGE_SIZE;
> - actor->page = page;
> - actor->pages = pages;
> - actor->next_page = 0;
> - return actor;
> -}
> -
> -static inline void *squashfs_first_page(struct squashfs_page_actor *actor)
> -{
> - actor->next_page = 1;
> - return actor->page[0];
> -}
> -
> -static inline void *squashfs_next_page(struct squashfs_page_actor *actor)
> -{
> - return actor->next_page == actor->pages ? NULL :
> - actor->page[actor->next_page++];
> -}
> -
> -static inline void squashfs_finish_page(struct squashfs_page_actor *actor)
> -{
> - /* empty */
> -}
> -#else
> struct squashfs_page_actor {
> union {
> void **buffer;
> @@ -76,4 +36,3 @@ static inline void squashfs_finish_page(struct squashfs_page_actor *actor)
> actor->squashfs_finish_page(actor);
> }
> #endif
> -#endif
> --
> 2.34.1
>
