1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
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29 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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37 #ifndef OST_INTERNAL_H
38 #define OST_INTERNAL_H
40 #define OSS_SERVICE_WATCHDOG_FACTOR 2
43 * tunables for per-thread page pool (bug 5137)
45 #define OST_THREAD_POOL_SIZE PTLRPC_MAX_BRW_PAGES /* pool size in pages */
46 #define OST_THREAD_POOL_GFP CFS_ALLOC_HIGHUSER /* GFP mask for pool pages */
51 struct ptlrpc_request;
54 * struct ost_thread_local_cache is allocated and initialized for each OST
55 * thread by ost_thread_init().
57 struct ost_thread_local_cache {
59 * pool of nio buffers used by write-path
61 struct niobuf_local local[OST_THREAD_POOL_SIZE];
62 unsigned int temporary:1;
65 struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r);
67 #define OSS_MIN_CREATE_THREADS 2UL
68 #define OSS_MAX_CREATE_THREADS 16UL
71 extern quota_interface_t *quota_interface;
74 void lprocfs_ost_init_vars(struct lprocfs_static_vars *lvars);
76 static void lprocfs_ost_init_vars(struct lprocfs_static_vars *lvars)
78 memset(lvars, 0, sizeof(*lvars));
82 /* Here "ostid" maybe part of "oa", the return value of "ostid_id()" depends on
83 * the original "ostid->oi_seq", which maybe changed by the assignment of
84 * "oa->o_seq = ostid_seq(ostid)", so keep the order of setting "oa->o_id" and
86 static inline void obdo_from_ostid(struct obdo *oa, struct ost_id *ostid)
88 oa->o_id = ostid_id(ostid);
89 oa->o_seq = ostid_seq(ostid);
92 static inline void ioobj_from_obdo(struct obd_ioobj *ioobj, struct obdo *oa)
94 ioobj->ioo_id = oa->o_id;
95 ioobj->ioo_seq = oa->o_seq;
98 #endif /* OST_INTERNAL_H */