linux_dsm_epyc7002/include/linux/ceph/msgpool.h
Ilya Dryomov b2aa5d0bc8 libceph: fix some missing includes
- decode.h needs slab.h for kmalloc()
- osd_client.h needs msgpool.h for struct ceph_msgpool
- msgpool.h doesn't need messenger.h

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2016-07-28 02:55:35 +02:00

26 lines
736 B
C

#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 */
};
extern int ceph_msgpool_init(struct ceph_msgpool *pool, int type,
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