f2fs: use __GFP_ZERO to avoid appending set-NULL

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 524b7ed..ba067b1 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -243,9 +243,7 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
        if (!test_opt(sbi, FLUSH_MERGE))
                return blkdev_issue_flush(sbi->sb->s_bdev, GFP_KERNEL, NULL);
 
-       cmd = f2fs_kmem_cache_alloc(flush_cmd_slab, GFP_ATOMIC);
-       cmd->next = NULL;
-       cmd->ret = 0;
+       cmd = f2fs_kmem_cache_alloc(flush_cmd_slab, GFP_ATOMIC | __GFP_ZERO);
        init_completion(&cmd->wait);
 
        spin_lock(&sm_i->issue_lock);