+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+
#ifndef _MDS_INTERNAL_H
#define _MDS_INTERNAL_H
+
+#include <linux/lustre_mds.h>
+
+#define MAX_ATIME_DIFF 60
+
+struct mds_filter_data {
+ __u64 io_epoch;
+};
+
+#define MDS_FILTERDATA(inode) ((struct mds_filter_data *)(inode)->i_filterdata)
+#define DENTRY_VALID(dentry) \
+ ((dentry)->d_inode || ((dentry)->d_flags & DCACHE_CROSS_REF))
+
+#define MDS_NO_SPLIT_EXPECTED 0
+#define MDS_EXPECT_SPLIT 1
+#define MDS_NO_SPLITTABLE 2
+
static inline struct mds_obd *mds_req2mds(struct ptlrpc_request *req)
{
return &req->rq_export->exp_obd->u.mds;
}
+static inline struct obd_device *req2obd(struct ptlrpc_request *req)
+{
+ return req->rq_export->exp_obd;
+}
-/* mds/mds_fs.c */
-struct llog_handle *mds_log_create(struct obd_device *obd);
-int mds_log_close(struct llog_handle *cathandle, struct llog_handle *loghandle);
-struct llog_handle *mds_log_open(struct obd_device *obd,
- struct llog_cookie *logcookie);
-struct llog_handle *mds_get_catalog(struct obd_device *obd);
-void mds_put_catalog(struct llog_handle *cathandle);
+typedef enum {
+ MDS_OPEN_COUNT = 0,
+ MDS_CREATE_COUNT = 1,
+ MDS_CLOSE_COUNT = 2,
+ MDS_LINK_COUNT = 3,
+ MDS_UNLINK_COUNT = 4,
+ MDS_GETATTR_COUNT = 5,
+ MDS_GETATTR_NAME_COUNT = 6,
+ MDS_SETATTR_COUNT = 7,
+ MDS_RENAME_COUNT = 8,
+ MDS_STATFS_COUNT = 9,
+ MDS_LAST_OPC_COUNT = 10
+} mds_counters_t;
-/* mds/handler.c */
-struct mds_file_data *mds_mfd_new(void);
-void mds_mfd_put(struct mds_file_data *mfd);
-void mds_mfd_destroy(struct mds_file_data *mfd);
+struct lprocfs_stats * lprocfs_alloc_mds_counters(void);
+void lprocfs_free_mds_counters(struct lprocfs_stats *ptr);
+
+#ifndef LPROCFS
+#define MDS_UPDATE_COUNTER(mds, opcode) do {} while (0)
+#else
+
+#define MDS_UPDATE_COUNTER(mds, opcode) \
+ LASSERT( opcode < MDS_LAST_OPC_COUNT); \
+ LASSERT( mds->mds_counters != NULL); \
+ lprocfs_counter_incr(mds->mds_counters, opcode);
+#endif
/* mds/mds_reint.c */
+int enqueue_ordered_locks(struct obd_device *obd, struct ldlm_res_id *p1_res_id,
+ struct lustre_handle *p1_lockh, int p1_lock_mode,
+ ldlm_policy_data_t *p1_policy,
+ struct ldlm_res_id *p2_res_id,
+ struct lustre_handle *p2_lockh, int p2_lock_mode,
+ ldlm_policy_data_t *p2_policy);
void mds_commit_cb(struct obd_device *, __u64 last_rcvd, void *data, int error);
int mds_finish_transno(struct mds_obd *mds, struct inode *inode, void *handle,
struct ptlrpc_request *req, int rc, __u32 op_data);
+void mds_reconstruct_generic(struct ptlrpc_request *req);
+void mds_req_from_mcd(struct ptlrpc_request *req, struct mds_client_data *mcd);
+int mds_get_parent_child_locked(struct obd_device *obd, struct mds_obd *mds,
+ struct ll_fid *fid,
+ struct lustre_handle *parent_lockh,
+ struct dentry **dparentp, int parent_mode,
+ __u64 parent_lockpart, int *update_mode,
+ char *name, int namelen,
+ struct lustre_handle *child_lockh,
+ struct dentry **dchildp, int child_mode,
+ __u64 child_lockpart, void* clone_info);
+int mds_lock_new_child(struct obd_device *obd, struct inode *inode,
+ struct lustre_handle *child_lockh);
/* mds/mds_lib.c */
+void groups_from_buffer(struct group_info *ginfo, __u32 *gids);
int mds_update_unpack(struct ptlrpc_request *, int offset,
struct mds_update_record *);
+int mds_init_ucred(struct lvfs_ucred *ucred, struct mds_req_sec_desc *rsd);
+void mds_exit_ucred(struct lvfs_ucred *ucred);
+
+/* mds/mds_unlink_open.c */
+int mds_open_unlink_rename(struct mds_update_record *rec,
+ struct obd_device *obd, struct dentry *dparent,
+ struct dentry *dchild, void **handle);
+int mds_cleanup_orphans(struct obd_device *obd);
+
+
+/* mds/mds_log.c */
+int mds_log_op_unlink(struct obd_device *obd, struct inode *inode,
+ struct lov_mds_md *lmm, int lmm_size,
+ struct llog_cookie *logcookies, int cookies_size,
+ struct llog_create_locks **res);
+int mds_llog_init(struct obd_device *obd, struct obd_llogs *,
+ struct obd_device *tgt, int count, struct llog_catid *logid);
+int mds_llog_finish(struct obd_device *obd, struct obd_llogs *, int count);
/* mds/mds_lov.c */
-int mds_get_lovtgts(struct mds_obd *mds, int tgt_count,
- struct obd_uuid *uuidarray);
+int mds_lov_connect(struct obd_device *obd, char * lov_name);
+int mds_lov_disconnect(struct obd_device *obd, int flags);
+int mds_lov_set_info(struct obd_export *exp, obd_count keylen,
+ void *key, obd_count vallen, void *val);
+int mds_get_lovtgts(struct obd_device *, int tgt_count, struct obd_uuid *);
+int mds_lov_write_objids(struct obd_device *obd);
+void mds_lov_update_objids(struct obd_device *obd, obd_id *ids);
+int mds_lov_set_growth(struct mds_obd *mds, int count);
+int mds_lov_set_nextid(struct obd_device *obd);
+int mds_lov_clearorphans(struct mds_obd *mds, struct obd_uuid *ost_uuid);
+int mds_post_mds_lovconf(struct obd_device *obd);
+int mds_notify(struct obd_device *obd, struct obd_device *watched,
+ int active, void *data);
+int mds_lov_update_config(struct obd_device *obd, int transno);
+int mds_convert_lov_ea(struct obd_device *obd, struct inode *inode,
+ struct lov_mds_md *lmm, int lmm_size);
+int mds_revalidate_lov_ea(struct obd_device *obd, struct inode *inode,
+ struct lustre_msg *msg, int offset);
/* mds/mds_open.c */
+int mds_query_write_access(struct inode *inode);
int mds_open(struct mds_update_record *rec, int offset,
struct ptlrpc_request *req, struct lustre_handle *);
-int mds_pin(struct ptlrpc_request *req);
+int mds_pin(struct ptlrpc_request *req, int offset);
+int mds_mfd_close(struct ptlrpc_request *req, int offset,
+ struct obd_device *obd, struct mds_file_data *mfd,
+ int unlink_orphan);
+int mds_close(struct ptlrpc_request *req, int offset);
+int mds_done_writing(struct ptlrpc_request *req, int offset);
+
/* mds/mds_fs.c */
int mds_client_add(struct obd_device *obd, struct mds_obd *mds,
- struct mds_export_data *med, int cl_off);
-int mds_client_free(struct obd_export *exp);
+ struct mds_export_data *med, int cl_off);
+int mds_client_free(struct obd_export *exp, int clear_client);
+int mds_obd_create(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md **ea, struct obd_trans_info *oti);
+int mds_obd_destroy(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea, struct obd_trans_info *oti);
+
+/* mds/handler.c */
+void mds_squash_root(struct mds_obd *mds, struct mds_req_sec_desc *rsd,
+ ptl_nid_t *peernid);
+int mds_handle(struct ptlrpc_request *req);
+extern struct lvfs_callback_ops mds_lvfs_ops;
+int mds_lov_clean(struct obd_device *obd);
+extern int mds_iocontrol(unsigned int cmd, struct obd_export *exp,
+ int len, void *karg, void *uarg);
+extern int mds_lock_mode_for_dir(struct obd_device *, struct dentry *, int);
+int mds_postrecov(struct obd_device *obd);
#ifdef __KERNEL__
-void mds_pack_inode2fid(struct ll_fid *fid, struct inode *inode);
-void mds_pack_inode2body(struct mds_body *body, struct inode *inode);
+int mds_get_md(struct obd_device *, struct inode *, void *md, int *size,
+ int lock);
+int mds_pack_md(struct obd_device *, struct lustre_msg *, int offset,
+ struct mds_body *, struct inode *, int lock);
+void mds_pack_dentry2fid(struct ll_fid *, struct dentry *);
+void mds_pack_dentry2body(struct mds_body *b, struct dentry *dentry);
+void mds_pack_inode2fid(struct obd_device *, struct ll_fid *, struct inode *);
+void mds_pack_inode2body(struct obd_device *, struct mds_body *, struct inode *);
#endif
+/* mds/mds_lmv.c */
+int mds_lmv_postsetup(struct obd_device *obd);
+int mds_lmv_connect(struct obd_device *obd, char * lov_name);
+int mds_lmv_disconnect(struct obd_device *obd, int flags);
+int mds_try_to_split_dir(struct obd_device *, struct dentry *, struct mea **,
+ int, int);
+int mds_get_lmv_attr(struct obd_device *, struct inode *, struct mea **, int *);
+int mds_choose_mdsnum(struct obd_device *, const char *, int, int);
+int mds_lmv_postsetup(struct obd_device *);
+int mds_splitting_expected(struct obd_device *, struct dentry *);
+int mds_lock_slave_objs(struct obd_device *, struct dentry *,
+ struct lustre_handle **);
+int mds_unlink_slave_objs(struct obd_device *, struct dentry *);
+void mds_unlock_slave_objs(struct obd_device *, struct dentry *,
+ struct lustre_handle *);
+int mds_lock_and_check_slave(int, struct ptlrpc_request *, struct lustre_handle *);
+int mds_convert_mea_ea(struct obd_device *, struct inode *, struct lov_mds_md *, int);
+
+/* mds_groups.c */
+int mds_group_hash_init(void);
+void mds_group_hash_cleanup(void);
+void mds_group_hash_flush_idle(void);
+int mds_allow_setgroups(void);
+
+extern char mds_getgroups_upcall[PATH_MAX];
+extern int mds_grp_hash_entry_expire;
+extern int mds_grp_hash_acquire_expire;
+
+struct mds_grp_hash *__mds_get_global_group_hash(void);
+struct mds_grp_hash_entry * mds_get_group_entry(struct mds_obd *mds, uid_t uid);
+void mds_put_group_entry(struct mds_obd *mds, struct mds_grp_hash_entry *entry);
+int mds_handle_group_downcall(int err, uid_t uid, __u32 ngroups, gid_t *groups);
+
#endif /* _MDS_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff