f2fs: remove unneeded return value of __insert_discard_tree()

We never use return value of __insert_discard_tree(), so remove it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1c48ec8..ebbadde 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1221,7 +1221,7 @@ submit:
        return err;
 }
 
-static struct discard_cmd *__insert_discard_tree(struct f2fs_sb_info *sbi,
+static void __insert_discard_tree(struct f2fs_sb_info *sbi,
                                struct block_device *bdev, block_t lstart,
                                block_t start, block_t len,
                                struct rb_node **insert_p,
@@ -1230,7 +1230,6 @@ static struct discard_cmd *__insert_discard_tree(struct f2fs_sb_info *sbi,
        struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
        struct rb_node **p;
        struct rb_node *parent = NULL;
-       struct discard_cmd *dc = NULL;
        bool leftmost = true;
 
        if (insert_p && insert_parent) {
@@ -1242,12 +1241,8 @@ static struct discard_cmd *__insert_discard_tree(struct f2fs_sb_info *sbi,
        p = f2fs_lookup_rb_tree_for_insert(sbi, &dcc->root, &parent,
                                                        lstart, &leftmost);
 do_insert:
-       dc = __attach_discard_cmd(sbi, bdev, lstart, start, len, parent,
+       __attach_discard_cmd(sbi, bdev, lstart, start, len, parent,
                                                                p, leftmost);
-       if (!dc)
-               return NULL;
-
-       return dc;
 }
 
 static void __relocate_discard_cmd(struct discard_cmd_control *dcc,