Re: [PATCH 3/3] xfs: cleanup quota check on disk blocks and inodes reservations

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Mon, Jan 23, 2012 at 12:45:43PM +0900, Mitsuo Hayasaka wrote:
> This patch is a cleanup of quota check on disk blocks and inodes
> reservations.
> 
> Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@xxxxxxxxxxx>
> Cc: Ben Myers <bpm@xxxxxxx>
> Cc: Alex Elder <elder@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> ---
> 
>  fs/xfs/xfs_trans_dquot.c |   17 +++++++----------
>  1 files changed, 7 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
> index c4ba366..5e6cd1c 100644
> --- a/fs/xfs/xfs_trans_dquot.c
> +++ b/fs/xfs/xfs_trans_dquot.c
> @@ -605,7 +605,7 @@ xfs_trans_dqresv(
>       time_t          timer;
>       xfs_qwarncnt_t  warns;
>       xfs_qwarncnt_t  warnlimit;
> -     xfs_qcnt_t      count;
> +     xfs_qcnt_t      tcount;

Can you call this variable total_count to make it a bit more obvious?

> +                     tcount = *resbcountp + nblks;
> +                     if (hardlimit > 0ULL && tcount > hardlimit) {

Given that xfs_qcnt_t is unsigned what about transforming this into the
more readable:

                        if (hardlimit && total_count > hardlimit)

and similar for the others?