f2fs: remove unnecessary gc option check and balance_fs

 1. If f2fs is mounted with background_gc_off option, checking
    BG_GC is not redundant.
 2. f2fs_balance_fs is checked in f2fs_gc, so this is also redundant.

Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 375e69e..8d293cb 100644 (file)
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -49,11 +49,6 @@ static int gc_thread_func(void *data)
                        continue;
                }
 
-               f2fs_balance_fs(sbi);
-
-               if (!test_opt(sbi, BG_GC))
-                       continue;
-
                /*
                 * [GC triggering condition]
                 * 0. GC is not conducted currently.
@@ -96,6 +91,8 @@ int start_gc_thread(struct f2fs_sb_info *sbi)
 {
        struct f2fs_gc_kthread *gc_th;
 
+       if (!test_opt(sbi, BG_GC))
+               return 0;
        gc_th = kmalloc(sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
        if (!gc_th)
                return -ENOMEM;