Commit d60eff43 authored by Gao Xiang's avatar Gao Xiang Committed by Greg Kroah-Hartman
Browse files

staging: erofs: localize erofs_workgroup_get 



Staticize erofs_workgroup_get since no external user
out of utils.c directly calls erofs_workgroup_get.

Signed-off-by: default avatarGao Xiang <gaoxiang25@huawei.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 61c9314f

drivers/staging/erofs/internal.h

+0 −21
Original line number Diff line number Diff line
@@ -252,28 +252,7 @@ static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp) 
}

#endif



static inline int erofs_workgroup_get(struct erofs_workgroup *grp, int *ocnt)

{

	int o;



repeat:

	o = erofs_wait_on_workgroup_freezed(grp);



	if (unlikely(o <= 0))

		return -1;



	if (unlikely(atomic_cmpxchg(&grp->refcount, o, o + 1) != o))

		goto repeat;



	*ocnt = o;

	return 0;

}



#define __erofs_workgroup_get(grp)	atomic_inc(&(grp)->refcount)

#define __erofs_workgroup_put(grp)	atomic_dec(&(grp)->refcount)



extern int erofs_workgroup_put(struct erofs_workgroup *grp);



extern struct erofs_workgroup *erofs_find_workgroup(

	struct super_block *sb, pgoff_t index, bool *tag);

drivers/staging/erofs/utils.c

+19 −0
Original line number Diff line number Diff line
@@ -31,6 +31,25 @@ struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp) 
static atomic_long_t erofs_global_shrink_cnt;



#ifdef CONFIG_EROFS_FS_ZIP

#define __erofs_workgroup_get(grp)	atomic_inc(&(grp)->refcount)

#define __erofs_workgroup_put(grp)	atomic_dec(&(grp)->refcount)



static int erofs_workgroup_get(struct erofs_workgroup *grp, int *ocnt)

{

	int o;



repeat:

	o = erofs_wait_on_workgroup_freezed(grp);



	if (unlikely(o <= 0))

		return -1;



	if (unlikely(atomic_cmpxchg(&grp->refcount, o, o + 1) != o))

		goto repeat;



	*ocnt = o;

	return 0;

}



struct erofs_workgroup *erofs_find_workgroup(

	struct super_block *sb, pgoff_t index, bool *tag)

CRA Git | Maintained and supported by SUSTech CRA and CCSE