crush: merge working data and scratch
Much like Arlo Guthrie, I decided that one big pile is better than two
little piles.
Reflects ceph.git commit 95c2df6c7e0b22d2ea9d91db500cf8b9441c73ba.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 3892e7f..2374956 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -743,7 +743,7 @@
map->pool_max = -1;
map->pg_temp = RB_ROOT;
map->primary_temp = RB_ROOT;
- mutex_init(&map->crush_scratch_mutex);
+ mutex_init(&map->crush_workspace_mutex);
return map;
}
@@ -836,11 +836,14 @@
static int osdmap_set_crush(struct ceph_osdmap *map, struct crush_map *crush)
{
void *workspace;
+ size_t work_size;
if (IS_ERR(crush))
return PTR_ERR(crush);
- workspace = kmalloc(crush->working_size, GFP_NOIO);
+ work_size = crush_work_size(crush, CEPH_PG_MAX_SIZE);
+ dout("%s work_size %zu bytes\n", __func__, work_size);
+ workspace = kmalloc(work_size, GFP_NOIO);
if (!workspace) {
crush_destroy(crush);
return -ENOMEM;
@@ -1974,11 +1977,10 @@
BUG_ON(result_max > CEPH_PG_MAX_SIZE);
- mutex_lock(&map->crush_scratch_mutex);
+ mutex_lock(&map->crush_workspace_mutex);
r = crush_do_rule(map->crush, ruleno, x, result, result_max,
- weight, weight_max, map->crush_workspace,
- map->crush_scratch_ary);
- mutex_unlock(&map->crush_scratch_mutex);
+ weight, weight_max, map->crush_workspace);
+ mutex_unlock(&map->crush_workspace_mutex);
return r;
}