As manual described, f_bfree indicates total free blocks in fs, in f2fs, it includes two parts: visible free blocks and over-provision blocks. This patch corrrects the calculation.
fsblkcnt_t f_bfree; /* free blocks in fs */ Signed-off-by: Chao Yu <[email protected]> --- fs/f2fs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 36118cf..f468381 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -816,7 +816,7 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bsize = sbi->blocksize; buf->f_blocks = total_count - start_count; - buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_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_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; -- 2.8.2.311.gee88674
