On 10/30/19 9:36 AM, Mina Almasry wrote:
> +}
> +
> /* Must be called with resv->lock held. Calling this with count_only == true
> * will count the number of pages to be added but will not modify the linked
> - * list.
> + * list. If regions_needed != NULL and count_only == true, then regions_needed
> + * will indicate the number of file_regions needed in the cache to carry out to
> + * add the regions for this range.
> */
> static long add_reservation_in_range(struct resv_map *resv, long f, long t,

Hi  Mina,

Would you please share which tree this patch set used? this patch 5/9 can't be applied with Linus's tree and add_reservation_in_range can't be found.

Thanks
Wenkuan


> - bool count_only)
> + long *regions_needed, bool count_only)
> {
> - long chg = 0;
> + long add = 0;
> struct list_head *head = &resv->regions;
> + long last_accounted_offset = f;
> struct file_region *rg = NULL, *trg = NULL, *nrg = NULL;
> - /* Locate the region we are before or in. */
> - list_for_each_entry (rg, head, link)
> - if (f <= rg->to)
> - break;