[PATCH] erofs: move erofs_{allocpage,release_pages}() under CONFIG_EROFS_FS_ZIP

[Yue Hu <zbestahu@gmail.com>]

From: Yue Hu <huyue2@coolpad.com>

These two functions are only used for compression side now. Also,
eliminate unused pagevec.h inclusion.

Signed-off-by: Yue Hu <huyue2@coolpad.com>
---
 fs/erofs/Makefile | 4 ++--
 fs/erofs/utils.c  | 3 ---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile
index a3a98fc3e481..1b1c3e3127cd 100644
--- a/fs/erofs/Makefile
+++ b/fs/erofs/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 obj-$(CONFIG_EROFS_FS) += erofs.o
-erofs-objs := super.o inode.o data.o namei.o dir.o utils.o sysfs.o
+erofs-objs := super.o inode.o data.o namei.o dir.o sysfs.o
 erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o
-erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o pcpubuf.o
+erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o utils.o pcpubuf.o
 erofs-$(CONFIG_EROFS_FS_ZIP_LZMA) += decompressor_lzma.o
 erofs-$(CONFIG_EROFS_FS_ONDEMAND) += fscache.o
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index 46627cb69abe..72ba7daba33c 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -4,7 +4,6 @@
  *             https://www.huawei.com/
  */
 #include "internal.h"
-#include <linux/pagevec.h>
 
 struct page *erofs_allocpage(struct page **pagepool, gfp_t gfp)
 {
@@ -29,7 +28,6 @@ void erofs_release_pages(struct page **pagepool)
 	}
 }
 
-#ifdef CONFIG_EROFS_FS_ZIP
 /* global shrink count (for all mounted EROFS instances) */
 static atomic_long_t erofs_global_shrink_cnt;
 
@@ -289,4 +287,3 @@ void erofs_exit_shrinker(void)
 {
 	unregister_shrinker(&erofs_shrinker_info);
 }
-#endif	/* !CONFIG_EROFS_FS_ZIP */
-- 
2.17.1