1 #ifndef _FS_CEPH_MSGPOOL
2 #define _FS_CEPH_MSGPOOL
4 #include <linux/mempool.h>
5 #include <linux/ceph/messenger.h>
8 * we use memory pools for preallocating messages we may receive, to
9 * avoid unexpected OOM conditions.
14 int type; /* preallocated message type */
15 int front_len; /* preallocated payload size */
18 extern int ceph_msgpool_init(struct ceph_msgpool *pool, int type,
19 int front_len, int size, bool blocking,
21 extern void ceph_msgpool_destroy(struct ceph_msgpool *pool);
22 extern struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *,
24 extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *);