f2fs: show precise # of blocks that user/root can use

Let's show precise # of blocks that user/root can use through bavail and bfree
respectively.

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

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index ff9affb..4f888e1 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -995,20 +995,19 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
        struct super_block *sb = dentry->d_sb;
        struct f2fs_sb_info *sbi = F2FS_SB(sb);
        u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
-       block_t total_count, user_block_count, start_count, ovp_count;
+       block_t total_count, user_block_count, start_count;
        u64 avail_node_count;
 
        total_count = le64_to_cpu(sbi->raw_super->block_count);
        user_block_count = sbi->user_block_count;
        start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr);
-       ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
        buf->f_type = F2FS_SUPER_MAGIC;
        buf->f_bsize = sbi->blocksize;
 
        buf->f_blocks = total_count - start_count;
-       buf->f_bfree = user_block_count - valid_user_blocks(sbi) + ovp_count;
-       buf->f_bavail = user_block_count - valid_user_blocks(sbi) -
+       buf->f_bfree = user_block_count - valid_user_blocks(sbi) -
                                                sbi->current_reserved_blocks;
+       buf->f_bavail = buf->f_bfree;
 
        avail_node_count = sbi->total_node_count - sbi->nquota_files -
                                                F2FS_RESERVED_NODE_NUM;