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