1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
5 #ifndef _MDS_INTERNAL_H
6 #define _MDS_INTERNAL_H
8 #include <linux/lustre_mds.h>
10 #define MAX_ATIME_DIFF 60
12 struct mds_filter_data {
16 #define MDS_FILTERDATA(inode) ((struct mds_filter_data *)(inode)->i_filterdata)
17 #define DENTRY_VALID(dentry) \
18 ((dentry)->d_inode || ((dentry)->d_flags & DCACHE_CROSS_REF))
20 static inline struct mds_obd *mds_req2mds(struct ptlrpc_request *req)
22 return &req->rq_export->exp_obd->u.mds;
24 static inline struct obd_device *req2obd(struct ptlrpc_request *req)
26 return req->rq_export->exp_obd;
30 int enqueue_ordered_locks(struct obd_device *obd, struct ldlm_res_id *p1_res_id,
31 struct lustre_handle *p1_lockh, int p1_lock_mode,
32 ldlm_policy_data_t *p1_policy,
33 struct ldlm_res_id *p2_res_id,
34 struct lustre_handle *p2_lockh, int p2_lock_mode,
35 ldlm_policy_data_t *p2_policy);
36 void mds_commit_cb(struct obd_device *, __u64 last_rcvd, void *data, int error);
37 int mds_finish_transno(struct mds_obd *mds, struct inode *inode, void *handle,
38 struct ptlrpc_request *req, int rc, __u32 op_data);
39 void mds_reconstruct_generic(struct ptlrpc_request *req);
40 void mds_req_from_mcd(struct ptlrpc_request *req, struct mds_client_data *mcd);
41 int mds_get_parent_child_locked(struct obd_device *obd, struct mds_obd *mds,
43 struct lustre_handle *parent_lockh,
44 struct dentry **dparentp, int parent_mode,
45 __u64 parent_lockpart, int *update_mode,
46 char *name, int namelen,
47 struct lustre_handle *child_lockh,
48 struct dentry **dchildp, int child_mode,
49 __u64 child_lockpart);
50 int mds_lock_new_child(struct obd_device *obd, struct inode *inode,
51 struct lustre_handle *child_lockh);
54 int mds_update_unpack(struct ptlrpc_request *, int offset,
55 struct mds_update_record *);
57 /* mds/mds_unlink_open.c */
58 int mds_open_unlink_rename(struct mds_update_record *rec,
59 struct obd_device *obd, struct dentry *dparent,
60 struct dentry *dchild, void **handle);
61 int mds_cleanup_orphans(struct obd_device *obd);
65 int mds_log_op_unlink(struct obd_device *obd, struct inode *inode,
66 struct lov_mds_md *lmm, int lmm_size,
67 struct llog_cookie *logcookies, int cookies_size);
68 int mds_llog_init(struct obd_device *obd, struct obd_llogs *,
69 struct obd_device *tgt, int count, struct llog_catid *logid);
70 int mds_llog_finish(struct obd_device *obd, struct obd_llogs *, int count);
73 int mds_lov_connect(struct obd_device *obd, char * lov_name);
74 int mds_lov_disconnect(struct obd_device *obd, int flags);
75 int mds_get_lovtgts(struct obd_device *, int tgt_count, struct obd_uuid *);
76 int mds_lov_write_objids(struct obd_device *obd);
77 void mds_lov_update_objids(struct obd_device *obd, obd_id *ids);
78 int mds_lov_set_growth(struct mds_obd *mds, int count);
79 int mds_lov_set_nextid(struct obd_device *obd);
80 int mds_lov_clearorphans(struct mds_obd *mds, struct obd_uuid *ost_uuid);
81 int mds_post_mds_lovconf(struct obd_device *obd);
82 int mds_notify(struct obd_device *obd, struct obd_device *watched, int active);
83 int mds_convert_lov_ea(struct obd_device *obd, struct inode *inode,
84 struct lov_mds_md *lmm, int lmm_size);
87 int mds_query_write_access(struct inode *inode);
88 int mds_open(struct mds_update_record *rec, int offset,
89 struct ptlrpc_request *req, struct lustre_handle *);
90 int mds_pin(struct ptlrpc_request *req);
91 int mds_mfd_close(struct ptlrpc_request *req, struct obd_device *obd,
92 struct mds_file_data *mfd, int unlink_orphan);
93 int mds_close(struct ptlrpc_request *req);
94 int mds_done_writing(struct ptlrpc_request *req);
98 int mds_client_add(struct obd_device *obd, struct mds_obd *mds,
99 struct mds_export_data *med, int cl_off);
100 int mds_client_free(struct obd_export *exp, int clear_client);
101 int mds_obd_create(struct obd_export *exp, struct obdo *oa,
102 struct lov_stripe_md **ea, struct obd_trans_info *oti);
103 int mds_obd_destroy(struct obd_export *exp, struct obdo *oa,
104 struct lov_stripe_md *ea, struct obd_trans_info *oti);
107 extern struct lvfs_callback_ops mds_lvfs_ops;
108 int mds_lov_clean(struct obd_device *obd);
109 extern int mds_iocontrol(unsigned int cmd, struct obd_export *exp,
110 int len, void *karg, void *uarg);
111 extern int mds_lock_mode_for_dir(struct obd_device *, struct dentry *, int);
112 int mds_postrecov(struct obd_device *obd);
115 int mds_get_md(struct obd_device *, struct inode *, void *md, int *size,
117 int mds_pack_md(struct obd_device *, struct lustre_msg *, int offset,
118 struct mds_body *, struct inode *, int lock);
119 void mds_pack_inode2fid(struct obd_device *, struct ll_fid *, struct inode *);
120 void mds_pack_inode2body(struct obd_device *, struct mds_body *, struct inode *);
124 int mds_lmv_postsetup(struct obd_device *obd);
125 int mds_lmv_connect(struct obd_device *obd, char * lov_name);
126 int mds_lmv_disconnect(struct obd_device *obd, int flags);
127 int mds_try_to_split_dir(struct obd_device *, struct dentry *, struct mea **,
129 int mds_get_lmv_attr(struct obd_device *, struct inode *, struct mea **, int *);
130 int mds_choose_mdsnum(struct obd_device *, const char *, int, int);
131 int mds_lmv_postsetup(struct obd_device *);
132 int mds_splitting_expected(struct obd_device *, struct dentry *);
134 #endif /* _MDS_INTERNAL_H */