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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_MSGPOOL
#define _FS_CEPH_MSGPOOL
#include <linux/mempool.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 type; /* preallocated message type */
int front_len; /* preallocated payload size */
int max_data_items;
};
int ceph_msgpool_init(struct ceph_msgpool *pool, int type,
int front_len, int max_data_items, int size,
const char *name);
extern void ceph_msgpool_destroy(struct ceph_msgpool *pool);
struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len,
int max_data_items);
extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *);
#endif
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