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staging: erofs: staticize erofs_shrink_count, erofs_shrink_scan

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Move erofs_shrinker_info to utils.c and therefore
no need to globalize erofs_shrink_count and erofs_shrink_scan.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gao Xiang 2019-01-16 16:59:55 +08:00 committed by Greg Kroah-Hartman
parent 4501ca36bc
commit d55bc7ba6b
3 changed files with 11 additions and 14 deletions
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5
drivers/staging/erofs/internal.h
View file

@ -589,10 +589,7 @@ extern struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp);
extern void erofs_register_super(struct super_block *sb);
extern void erofs_unregister_super(struct super_block *sb);
extern unsigned long erofs_shrink_count(struct shrinker *shrink,
struct shrink_control *sc);
extern unsigned long erofs_shrink_scan(struct shrinker *shrink,
struct shrink_control *sc);
extern struct shrinker erofs_shrinker_info;
#ifndef lru_to_page
#define lru_to_page(head) (list_entry((head)->prev, struct page, lru))

6
drivers/staging/erofs/super.c
View file

@ -539,12 +539,6 @@ static void erofs_kill_sb(struct super_block *sb)
kill_block_super(sb);
}
static struct shrinker erofs_shrinker_info = {
.scan_objects = erofs_shrink_scan,
.count_objects = erofs_shrink_count,
.seeks = DEFAULT_SEEKS,
};
static struct file_system_type erofs_fs_type = {
.owner = THIS_MODULE,
.name = "erofs",

14
drivers/staging/erofs/utils.c
View file

@ -270,14 +270,14 @@ void erofs_unregister_super(struct super_block *sb)
spin_unlock(&erofs_sb_list_lock);
}
unsigned long erofs_shrink_count(struct shrinker *shrink,
struct shrink_control *sc)
static unsigned long erofs_shrink_count(struct shrinker *shrink,
struct shrink_control *sc)
{
return atomic_long_read(&erofs_global_shrink_cnt);
}
unsigned long erofs_shrink_scan(struct shrinker *shrink,
struct shrink_control *sc)
static unsigned long erofs_shrink_scan(struct shrinker *shrink,
struct shrink_control *sc)
{
struct erofs_sb_info *sbi;
struct list_head *p;
@ -333,3 +333,9 @@ unsigned long erofs_shrink_scan(struct shrinker *shrink,
return freed;
}
struct shrinker erofs_shrinker_info = {
.scan_objects = erofs_shrink_scan,
.count_objects = erofs_shrink_count,
.seeks = DEFAULT_SEEKS,
};