net/ceph/msgpool.c

14 	struct ceph_msgpool *pool = arg;
17 	msg = ceph_msg_new2(pool->type, pool->front_len, pool->max_data_items,
20 		dout("msgpool_alloc %s failed\n", pool->name);
22 		dout("msgpool_alloc %s %p\n", pool->name, msg);
23 		msg->pool = pool;
30 	struct ceph_msgpool *pool = arg;
33 	dout("msgpool_release %s %p\n", pool->name, msg);
34 	msg->pool = NULL;
38 int ceph_msgpool_init(struct ceph_msgpool *pool, int type,
43 	pool->type = type;
44 	pool->front_len = front_len;
45 	pool->max_data_items = max_data_items;
46 	pool->pool = mempool_create(size, msgpool_alloc, msgpool_free, pool);
47 	if (!pool->pool)
49 	pool->name = name;
53 void ceph_msgpool_destroy(struct ceph_msgpool *pool)
55 	dout("msgpool %s destroy\n", pool->name);
56 	mempool_destroy(pool->pool);
59 struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len,
64 	if (front_len > pool->front_len ||
65 	    max_data_items > pool->max_data_items) {
66 		pr_warn_ratelimited("%s need %d/%d, pool %s has %d/%d\n",
67 		    __func__, front_len, max_data_items, pool->name,
68 		    pool->front_len, pool->max_data_items);
72 		return ceph_msg_new2(pool->type, front_len, max_data_items,
76 	msg = mempool_alloc(pool->pool, GFP_NOFS);
77 	dout("msgpool_get %s %p\n", pool->name, msg);
81 void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
83 	dout("msgpool_put %s %p\n", pool->name, msg);
86 	msg->front.iov_len = pool->front_len;
87 	msg->hdr.front_len = cpu_to_le32(pool->front_len);
93 	mempool_free(msg, pool->pool);