#ifndef _FS_CEPH_MSGPOOL | |
#define _FS_CEPH_MSGPOOL | |
#include <linux/mempool.h> | |
#include "messenger.h" | |
/* | |
* we use memory pools for preallocating messages we may receive, to | |
* avoid unexpected OOM conditions. | |
*/ | |
struct ceph_msgpool { | |
const char *name; | |
mempool_t *pool; | |
int front_len; /* preallocated payload size */ | |
}; | |
extern int ceph_msgpool_init(struct ceph_msgpool *pool, | |
int front_len, int size, bool blocking, | |
const char *name); | |
extern void ceph_msgpool_destroy(struct ceph_msgpool *pool); | |
extern struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *, | |
int front_len); | |
extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *); | |
#endif |