Re: [f2fs-dev] [PATCH 1/2 v2] f2fs: show precise # of blocks that user/root can use

[Chao Yu]

On 2018/1/4 14:50, Jaegeuk Kim wrote:
> Let's show precise # of blocks that user/root can use through bavail and bfree
> respectively.
> 
> Signed-off-by: Jaegeuk Kim 

Reviewed-by: Chao Yu 

Thanks,

Re: [PATCH 1/2 v2] f2fs: show precise # of blocks that user/root can use

[Jaegeuk Kim]

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

Signed-off-by: Jaegeuk Kim 
---

Change log from v1:
 - clean up obsolete values

 fs/f2fs/super.c | 7 +++
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0a820ba55b10..f1300cda6bfd 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -994,20 +994,19 @@ 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;
-- 
2.15.0.531.g2ccb3012c9-goog