[PATCH] btrfs:make btrfs_init_compress() return void

[Wanlong Gao <wanlong.gao@gmail.com>]

From: Wanlong Gao <gaowanlong@cn.fujitsu.com>

Make btrfs_init_compress() return void, since it always return 0,
and no need to check return value.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
---
 fs/btrfs/compression.c |    3 +--
 fs/btrfs/compression.h |    2 +-
 fs/btrfs/super.c       |    7 ++-----
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 8ec5d86..b2dbefa 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -731,7 +731,7 @@ struct btrfs_compress_op *btrfs_compress_op[] = {
 	&btrfs_lzo_compress,
 };
 
-int __init btrfs_init_compress(void)
+void __init btrfs_init_compress(void)
 {
 	int i;
 
@@ -741,7 +741,6 @@ int __init btrfs_init_compress(void)
 		atomic_set(&comp_alloc_workspace[i], 0);
 		init_waitqueue_head(&comp_workspace_wait[i]);
 	}
-	return 0;
 }
 
 /*
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index a12059f..9afb0a6 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -19,7 +19,7 @@
 #ifndef __BTRFS_COMPRESSION_
 #define __BTRFS_COMPRESSION_
 
-int btrfs_init_compress(void);
+void btrfs_init_compress(void);
 void btrfs_exit_compress(void);
 
 int btrfs_compress_pages(int type, struct address_space *mapping,
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 15634d4..31e9654 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1238,9 +1238,7 @@ static int __init init_btrfs_fs(void)
 	if (err)
 		return err;
 
-	err = btrfs_init_compress();
-	if (err)
-		goto free_sysfs;
+	btrfs_init_compress();
 
 	err = btrfs_init_cachep();
 	if (err)
@@ -1281,8 +1279,7 @@ free_cachep:
 	btrfs_destroy_cachep();
 free_compress:
 	btrfs_exit_compress();
-free_sysfs:
-	btrfs_exit_sysfs();
+
 	return err;
 }
 
-- 
1.7.4.1