/* 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