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27 lines
811 B
27 lines
811 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _FS_CEPH_MSGPOOL |
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#define _FS_CEPH_MSGPOOL |
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#include <linux/mempool.h> |
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/* |
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* we use memory pools for preallocating messages we may receive, to |
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* avoid unexpected OOM conditions. |
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*/ |
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struct ceph_msgpool { |
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const char *name; |
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mempool_t *pool; |
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int type; /* preallocated message type */ |
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int front_len; /* preallocated payload size */ |
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int max_data_items; |
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}; |
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int ceph_msgpool_init(struct ceph_msgpool *pool, int type, |
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int front_len, int max_data_items, int size, |
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const char *name); |
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extern void ceph_msgpool_destroy(struct ceph_msgpool *pool); |
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struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len, |
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int max_data_items); |
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extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *); |
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#endif
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