[PATCH 2/5] staging: erofs: localize erofs_workgroup_get

From: Gao Xiang
Date: Wed Jan 16 2019 - 04:01:51 EST


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

Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>
---
drivers/staging/erofs/internal.h | 21 ---------------------
drivers/staging/erofs/utils.c | 19 +++++++++++++++++++
2 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h
index 80cc09ea787d..967ec1a56726 100644
--- a/drivers/staging/erofs/internal.h
+++ b/drivers/staging/erofs/internal.h
@@ -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);

diff --git a/drivers/staging/erofs/utils.c b/drivers/staging/erofs/utils.c
index aed211cd5875..d24945aab133 100644
--- a/drivers/staging/erofs/utils.c
+++ b/drivers/staging/erofs/utils.c
@@ -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)
--
2.14.4