mirror of https://gitee.com/openkylin/linux.git
26 lines
692 B
C
26 lines
692 B
C
#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
|