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squashfs: always build "file direct" version of page actor

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Squashfs_readahead uses the "file direct" version of the page actor, and
so build it unconditionally.

Link: https://lkml.kernel.org/r/20220617083810.337573-3-hsinyi@chromium.org
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Hou Tao <houtao1@huawei.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miao Xie <miaoxie@huawei.com>
Cc: Xiongwei Song <Xiongwei.Song@windriver.com>
Cc: Zhang Yi <yi.zhang@huawei.com>
Cc: Zheng Liang <zhengliang6@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Phillip Lougher 2022-06-17 16:38:11 +08:00 committed by akpm
parent 0c12185728
commit db98b43086
2 changed files with 2 additions and 48 deletions
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4
fs/squashfs/Makefile
View File

@ -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

46
fs/squashfs/page_actor.h
View File

@ -6,51 +6,6 @@
* Phillip Lougher <phillip@squashfs.org.uk>
*/
#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 */
}
static inline void squashfs_actor_nobuff(struct squashfs_page_actor *actor)
{
/* empty */
}
#else
struct squashfs_page_actor {
union {
void **buffer;
@ -91,4 +46,3 @@ static inline void squashfs_actor_nobuff(struct squashfs_page_actor *actor)
actor->alloc_buffer = 0;
}
#endif
#endif