1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * This file is part of Lustre, http://www.lustre.org
7 * See also lustre_idl.h for wire formats of requests.
13 #include <lustre_handles.h>
14 #include <libcfs/kp30.h>
15 #include <lustre/lustre_idl.h>
16 #include <lustre_lib.h>
17 #include <lustre_dlm.h>
18 #include <lustre_log.h>
19 #include <lustre_export.h>
21 #if defined(__linux__)
22 #include <linux/lustre_mds.h>
23 #elif defined(__APPLE__)
24 #include <darwin/lustre_mds.h>
25 #elif defined(__WINNT__)
26 #include <winnt/lustre_mds.h>
28 #error Unsupported operating system.
31 struct ldlm_lock_desc;
33 struct ptlrpc_connection;
36 struct ptlrpc_request;
41 struct mds_body *body;
42 struct lov_stripe_md *lsm;
43 #ifdef CONFIG_FS_POSIX_ACL
44 struct posix_acl *posix_acl;
58 struct mds_update_record {
60 struct ll_fid *ur_fid1;
61 struct ll_fid *ur_fid2;
69 struct llog_cookie *ur_logcookies;
70 struct iattr ur_iattr;
71 struct lvfs_ucred ur_uc;
76 struct lvfs_grp_hash_entry *ur_grp_entry;
79 /* file data for open files on MDS */
80 struct mds_file_data {
81 struct portals_handle mfd_handle; /* must be first */
82 atomic_t mfd_refcount;
83 struct list_head mfd_list; /* protected by med_open_lock */
86 struct dentry *mfd_dentry;
90 #ifdef CONFIG_FS_POSIX_ACL
92 # define MDS_XATTR_NAME_ACL_ACCESS XATTR_NAME_ACL_ACCESS
93 # define mds_xattr_acl_size(entry) xattr_acl_size(entry)
95 # define MDS_XATTR_NAME_ACL_ACCESS POSIX_ACL_XATTR_ACCESS
96 # define mds_xattr_acl_size(entry) posix_acl_xattr_size(entry)
98 # define LUSTRE_POSIX_ACL_MAX_ENTRIES (32)
99 # define LUSTRE_POSIX_ACL_MAX_SIZE \
100 (mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES))
102 # define LUSTRE_POSIX_ACL_MAX_SIZE 0
105 /* mds/mds_reint.c */
106 int mds_reint_rec(struct mds_update_record *r, int offset,
107 struct ptlrpc_request *req, struct lustre_handle *);
111 /* mdc/mdc_locks.c */
112 int it_disposition(struct lookup_intent *it, int flag);
113 void it_set_disposition(struct lookup_intent *it, int flag);
114 void it_clear_disposition(struct lookup_intent *it, int flag);
115 int it_open_error(int phase, struct lookup_intent *it);
116 void mdc_set_lock_data(__u64 *lockh, void *data);
117 int mdc_change_cbdata(struct obd_export *exp, struct ll_fid *fid,
118 ldlm_iterator_t it, void *data);
119 int mdc_intent_lock(struct obd_export *exp,
120 struct mdc_op_data *,
121 void *lmm, int lmmsize,
122 struct lookup_intent *, int,
123 struct ptlrpc_request **reqp,
124 ldlm_blocking_callback cb_blocking, int extra_lock_flags);
125 int mdc_enqueue(struct obd_export *exp,
127 struct lookup_intent *it,
129 struct mdc_op_data *data,
130 struct lustre_handle *lockh,
133 ldlm_completion_callback cb_completion,
134 ldlm_blocking_callback cb_blocking,
135 void *cb_data, int extra_lock_flags);
137 /* mdc/mdc_request.c */
138 int mdc_init_ea_size(struct obd_export *mdc_exp, struct obd_export *lov_exp);
139 int mdc_req2lustre_md(struct ptlrpc_request *req, int offset,
140 struct obd_export *exp, struct lustre_md *md);
141 void mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
142 int mdc_getstatus(struct obd_export *exp, struct ll_fid *rootfid);
143 int mdc_getattr(struct obd_export *exp, struct ll_fid *fid,
144 obd_valid valid, unsigned int ea_size,
145 struct ptlrpc_request **request);
146 int mdc_getattr_name(struct obd_export *exp, struct ll_fid *fid,
147 const char *filename, int namelen, unsigned long valid,
148 unsigned int ea_size, struct ptlrpc_request **request);
149 int mdc_setattr(struct obd_export *exp, struct mdc_op_data *data,
150 struct iattr *iattr, void *ea, int ealen, void *ea2, int ea2len,
151 struct ptlrpc_request **request);
152 int mdc_setxattr(struct obd_export *exp, struct ll_fid *fid,
153 obd_valid valid, const char *xattr_name,
154 const char *input, int input_size,
155 int output_size, int flags,
156 struct ptlrpc_request **request);
157 int mdc_getxattr(struct obd_export *exp, struct ll_fid *fid,
158 obd_valid valid, const char *xattr_name,
159 const char *input, int input_size,
160 int output_size, struct ptlrpc_request **request);
161 int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
162 struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
163 struct ptlrpc_request **);
164 struct obd_client_handle;
165 void mdc_set_open_replay_data(struct obd_client_handle *och,
166 struct ptlrpc_request *open_req);
167 void mdc_clear_open_replay_data(struct obd_client_handle *och);
168 int mdc_close(struct obd_export *, struct obdo *, struct obd_client_handle *,
169 struct ptlrpc_request **);
170 int mdc_readpage(struct obd_export *exp, struct ll_fid *mdc_fid, __u64 offset,
171 struct page *, struct ptlrpc_request **);
172 int mdc_create(struct obd_export *exp, struct mdc_op_data *op_data,
173 const void *data, int datalen, int mode, __u32 uid, __u32 gid,
174 __u32 cap_effective, __u64 rdev,struct ptlrpc_request **request);
175 int mdc_unlink(struct obd_export *exp, struct mdc_op_data *data,
176 struct ptlrpc_request **request);
177 int mdc_link(struct obd_export *exp, struct mdc_op_data *data,
178 struct ptlrpc_request **);
179 int mdc_rename(struct obd_export *exp, struct mdc_op_data *data,
180 const char *old, int oldlen, const char *new, int newlen,
181 struct ptlrpc_request **request);
182 int mdc_sync(struct obd_export *exp, struct ll_fid *fid,
183 struct ptlrpc_request **);
184 int mdc_create_client(struct obd_uuid uuid, struct ptlrpc_client *cl);
186 /* Store the generation of a newly-created inode in |req| for replay. */
187 void mdc_store_inode_generation(struct ptlrpc_request *req, int reqoff,
189 int mdc_llog_process(struct obd_export *, char *logname, llog_cb_t, void *data);
190 int mdc_done_writing(struct obd_export *exp, struct obdo *);
192 static inline void mdc_pack_fid(struct ll_fid *fid, obd_id ino, __u32 gen,
196 fid->generation = gen;
200 /* ioctls for trying requests */
201 #define IOC_REQUEST_TYPE 'f'
202 #define IOC_REQUEST_MIN_NR 30
204 #define IOC_REQUEST_GETATTR _IOWR('f', 30, long)
205 #define IOC_REQUEST_READPAGE _IOWR('f', 31, long)
206 #define IOC_REQUEST_SETATTR _IOWR('f', 32, long)
207 #define IOC_REQUEST_CREATE _IOWR('f', 33, long)
208 #define IOC_REQUEST_OPEN _IOWR('f', 34, long)
209 #define IOC_REQUEST_CLOSE _IOWR('f', 35, long)
210 #define IOC_REQUEST_MAX_NR 35