[PATCH v2] staging: zcache: support multiple clients, prep for KVM and RAMster
Dan Carpenter
error27 at gmail.com
Thu Jun 30 22:40:19 UTC 2011
On Thu, Jun 30, 2011 at 12:01:08PM -0700, Dan Magenheimer wrote:
> +static int zv_curr_dist_counts_show(char *buf)
> +{
> + unsigned long i, n, chunks = 0, sum_total_chunks = 0;
> + char *p = buf;
> +
> + for (i = 0; i <= NCHUNKS - 1; i++) {
It's more common to write the condition as: i < NCHUNKS.
> + n = zv_curr_dist_counts[i];
zv_curr_dist_counts has NCHUNKS + 1 elements so we never print
display the final element. I don't know this coe, so I could be
wrong but I think that we could make zv_curr_dist_counts only hold
NCHUNKS elements.
> + p += sprintf(p, "%lu ", n);
> + chunks += n;
> + sum_total_chunks += i * n;
> + }
> + p += sprintf(p, "mean:%lu\n",
> + chunks == 0 ? 0 : sum_total_chunks / chunks);
> + return p - buf;
> +}
> +
> +static int zv_cumul_dist_counts_show(char *buf)
> +{
> + unsigned long i, n, chunks = 0, sum_total_chunks = 0;
> + char *p = buf;
> +
> + for (i = 0; i <= NCHUNKS - 1; i++) {
> + n = zv_cumul_dist_counts[i];
Same situation.
> + p += sprintf(p, "%lu ", n);
> + chunks += n;
> + sum_total_chunks += i * n;
> + }
> + p += sprintf(p, "mean:%lu\n",
> + chunks == 0 ? 0 : sum_total_chunks / chunks);
> + return p - buf;
> +}
> +
regards,
dan carpenter
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