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 #define MDS_NO_SPLIT_EXPECTED 0
21 #define MDS_EXPECT_SPLIT 1
22 #define MDS_NO_SPLITTABLE 2
24 static inline struct mds_obd *mds_req2mds(struct ptlrpc_request *req)
26 return &req->rq_export->exp_obd->u.mds;
28 static inline struct obd_device *req2obd(struct ptlrpc_request *req)
30 return req->rq_export->exp_obd;
34 int enqueue_ordered_locks(struct obd_device *obd, struct ldlm_res_id *p1_res_id,
35 struct lustre_handle *p1_lockh, int p1_lock_mode,
36 ldlm_policy_data_t *p1_policy,
37 struct ldlm_res_id *p2_res_id,
38 struct lustre_handle *p2_lockh, int p2_lock_mode,
39 ldlm_policy_data_t *p2_policy);
40 void mds_commit_cb(struct obd_device *, __u64 last_rcvd, void *data, int error);
41 int mds_finish_transno(struct mds_obd *mds, struct inode *inode, void *handle,
42 struct ptlrpc_request *req, int rc, __u32 op_data);
43 void mds_reconstruct_generic(struct ptlrpc_request *req);
44 void mds_req_from_mcd(struct ptlrpc_request *req, struct mds_client_data *mcd);
45 int mds_get_parent_child_locked(struct obd_device *obd, struct mds_obd *mds,
47 struct lustre_handle *parent_lockh,
48 struct dentry **dparentp, int parent_mode,
49 __u64 parent_lockpart, int *update_mode,
50 char *name, int namelen,
51 struct lustre_handle *child_lockh,
52 struct dentry **dchildp, int child_mode,
53 __u64 child_lockpart, void* clone_info);
54 int mds_lock_new_child(struct obd_device *obd, struct inode *inode,
55 struct lustre_handle *child_lockh);
58 int mds_update_unpack(struct ptlrpc_request *, int offset,
59 struct mds_update_record *);
61 /* mds/mds_unlink_open.c */
62 int mds_open_unlink_rename(struct mds_update_record *rec,
63 struct obd_device *obd, struct dentry *dparent,
64 struct dentry *dchild, void **handle);
65 int mds_cleanup_orphans(struct obd_device *obd);
69 int mds_log_op_unlink(struct obd_device *obd, struct inode *inode,
70 struct lov_mds_md *lmm, int lmm_size,
71 struct llog_cookie *logcookies, int cookies_size,
72 struct llog_create_locks **res);
73 int mds_llog_init(struct obd_device *obd, struct obd_llogs *,
74 struct obd_device *tgt, int count, struct llog_catid *logid);
75 int mds_llog_finish(struct obd_device *obd, struct obd_llogs *, int count);
78 int mds_lov_connect(struct obd_device *obd, char * lov_name);
79 int mds_lov_disconnect(struct obd_device *obd, int flags);
80 int mds_lov_set_info(struct obd_export *exp, obd_count keylen,
81 void *key, obd_count vallen, void *val);
82 int mds_get_lovtgts(struct obd_device *, int tgt_count, struct obd_uuid *);
83 int mds_lov_write_objids(struct obd_device *obd);
84 void mds_lov_update_objids(struct obd_device *obd, obd_id *ids);
85 int mds_lov_set_growth(struct mds_obd *mds, int count);
86 int mds_lov_set_nextid(struct obd_device *obd);
87 int mds_lov_clearorphans(struct mds_obd *mds, struct obd_uuid *ost_uuid);
88 int mds_post_mds_lovconf(struct obd_device *obd);
89 int mds_notify(struct obd_device *obd, struct obd_device *watched,
90 int active, void *data);
91 int mds_lov_update_config(struct obd_device *obd, int transno);
92 int mds_convert_lov_ea(struct obd_device *obd, struct inode *inode,
93 struct lov_mds_md *lmm, int lmm_size);
94 int mds_revalidate_lov_ea(struct obd_device *obd, struct inode *inode,
95 struct lustre_msg *msg, int offset);
98 int mds_query_write_access(struct inode *inode);
99 int mds_open(struct mds_update_record *rec, int offset,
100 struct ptlrpc_request *req, struct lustre_handle *);
101 int mds_pin(struct ptlrpc_request *req);
102 int mds_mfd_close(struct ptlrpc_request *req, struct obd_device *obd,
103 struct mds_file_data *mfd, int unlink_orphan);
104 int mds_close(struct ptlrpc_request *req);
105 int mds_done_writing(struct ptlrpc_request *req);
109 int mds_client_add(struct obd_device *obd, struct mds_obd *mds,
110 struct mds_export_data *med, int cl_off);
111 int mds_client_free(struct obd_export *exp, int clear_client);
112 int mds_obd_create(struct obd_export *exp, struct obdo *oa,
113 struct lov_stripe_md **ea, struct obd_trans_info *oti);
114 int mds_obd_destroy(struct obd_export *exp, struct obdo *oa,
115 struct lov_stripe_md *ea, struct obd_trans_info *oti);
118 int mds_handle(struct ptlrpc_request *req);
119 extern struct lvfs_callback_ops mds_lvfs_ops;
120 int mds_lov_clean(struct obd_device *obd);
121 extern int mds_iocontrol(unsigned int cmd, struct obd_export *exp,
122 int len, void *karg, void *uarg);
123 extern int mds_lock_mode_for_dir(struct obd_device *, struct dentry *, int);
124 int mds_postrecov(struct obd_device *obd);
127 int mds_get_md(struct obd_device *, struct inode *, void *md, int *size,
129 int mds_pack_md(struct obd_device *, struct lustre_msg *, int offset,
130 struct mds_body *, struct inode *, int lock);
131 void mds_pack_dentry2fid(struct ll_fid *, struct dentry *);
132 void mds_pack_dentry2body(struct mds_body *b, struct dentry *dentry);
133 void mds_pack_inode2fid(struct obd_device *, struct ll_fid *, struct inode *);
134 void mds_pack_inode2body(struct obd_device *, struct mds_body *, struct inode *);
138 int mds_lmv_postsetup(struct obd_device *obd);
139 int mds_lmv_connect(struct obd_device *obd, char * lov_name);
140 int mds_lmv_disconnect(struct obd_device *obd, int flags);
141 int mds_try_to_split_dir(struct obd_device *, struct dentry *, struct mea **,
143 int mds_get_lmv_attr(struct obd_device *, struct inode *, struct mea **, int *);
144 int mds_choose_mdsnum(struct obd_device *, const char *, int, int);
145 int mds_lmv_postsetup(struct obd_device *);
146 int mds_splitting_expected(struct obd_device *, struct dentry *);
147 int mds_lock_slave_objs(struct obd_device *, struct dentry *,
148 struct lustre_handle **);
149 int mds_unlink_slave_objs(struct obd_device *, struct dentry *);
150 void mds_unlock_slave_objs(struct obd_device *, struct dentry *,
151 struct lustre_handle *);
152 int mds_lock_and_check_slave(int, struct ptlrpc_request *, struct lustre_handle *);
153 int mds_convert_mea_ea(struct obd_device *, struct inode *, struct lov_mds_md *, int);
156 #endif /* _MDS_INTERNAL_H */