+/* -*- 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 MDS_SERVICE_WATCHDOG_TIMEOUT 30000
+
+#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);
+#ifdef __KERNEL__
+/* Open counts for files. No longer atomic, must hold inode->i_sem */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+# define mds_inode_oatomic(inode) ((inode)->i_cindex)
+#else
+# define mds_inode_oatomic(inode) ((inode)->i_attr_flags)
+#endif
-/* 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);
+static inline int mds_orphan_open_count(struct inode *inode)
+{
+ LASSERT_MDS_ORPHAN_READ_LOCKED(inode);
+ return mds_inode_oatomic(inode);
+}
+
+static inline int mds_orphan_open_inc(struct inode *inode)
+{
+ LASSERT_MDS_ORPHAN_WRITE_LOCKED(inode);
+ return ++mds_inode_oatomic(inode);
+}
+
+static inline int mds_orphan_open_dec_test(struct inode *inode)
+{
+ LASSERT_MDS_ORPHAN_WRITE_LOCKED(inode);
+ return --mds_inode_oatomic(inode) == 0;
+}
+
+#define mds_inode_is_orphan(inode) ((inode)->i_flags & 0x4000000)
+#define mds_inode_set_orphan(inode) \
+do { \
+ (inode)->i_flags |= 0x4000000; \
+ CDEBUG(D_VFSTRACE, "setting orphan flag on inode %p\n", inode); \
+} while (0)
+#define mds_inode_unset_orphan(inode) \
+do { \
+ (inode)->i_flags &= ~(0x4000000); \
+ CDEBUG(D_VFSTRACE, "removing orphan flag from inode %p\n", inode); \
+} while (0)
+#endif /* __KERNEL__ */
/* mds/mds_reint.c */
-void mds_commit_cb(struct obd_device *, __u64 last_rcvd, void *data, int error);
+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);
+
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 lustre_id *id,
+ 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);
+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_idmap_add(struct mds_idmap_table *tbl,
+ uid_t rmt_uid, uid_t lcl_uid,
+ gid_t rmt_gid, gid_t lcl_gid);
+int mds_idmap_del(struct mds_idmap_table *tbl,
+ uid_t rmt_uid, uid_t lcl_uid,
+ gid_t rmt_gid, gid_t lcl_gid);
+int mds_idmap_lookup_uid(struct mds_idmap_table *tbl, int reverse, uid_t uid);
+int mds_idmap_lookup_gid(struct mds_idmap_table *tbl, int reverse, gid_t gid);
+struct mds_idmap_table *mds_idmap_alloc(void);
+void mds_idmap_free(struct mds_idmap_table *tbl);
+void mds_body_do_reverse_map(struct mds_export_data *med,
+ struct mds_body *body);
+int mds_init_ucred(struct lvfs_ucred *ucred, struct ptlrpc_request *req,
+ struct mds_req_sec_desc *rsd);
+void mds_exit_ucred(struct lvfs_ucred *ucred);
+
+/* mds/mds_unlink_open.c */
+int mds_cleanup_orphans(struct obd_device *obd);
+
+int mds_unlink_object(struct mds_obd *mds, struct inode *inode,
+ struct lov_mds_md *lmm, int lmm_size,
+ struct llog_cookie *logcookies,
+ int log_unlink, int async);
+
+
+/* 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_dt_connect(struct obd_device *obd, char * lov_name);
+int mds_dt_disconnect(struct obd_device *obd, int flags);
+int mds_dt_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_dt_write_objids(struct obd_device *obd);
+void mds_dt_update_objids(struct obd_device *obd, obd_id *ids);
+int mds_dt_set_growth(struct mds_obd *mds, int count);
+int mds_dt_set_nextid(struct obd_device *obd);
+int mds_dt_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_dt_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_destroy_objects(struct obd_device *obd,
+ struct inode *inode, int async);
+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,
+ void *acl, int acl_size,
+ 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 */
+int 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_dt_clean(struct obd_device *obd);
+int mds_postrecov(struct obd_device *obd);
+int mds_postrecov_common(struct obd_device *obd);
+extern struct lvfs_callback_ops mds_lvfs_ops;
+
+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_fs_setup_rootid(struct obd_device *obd);
+int mds_fs_setup_virtid(struct obd_device *obd);
+
+__u64 mds_alloc_fid(struct obd_device *obd);
+
+int mds_alloc_inode_sid(struct obd_device *, struct inode *,
+ void *, struct lustre_id *);
+
+int mds_update_inode_sid(struct obd_device *, struct inode *,
+ void *, struct lustre_id *);
+
+int mds_read_inode_sid(struct obd_device *, struct inode *,
+ struct lustre_id *);
+
+int mds_update_inode_mid(struct obd_device *, struct inode *,
+ void *, struct lustre_id *);
+
+int mds_read_inode_mid(struct obd_device *, struct inode *,
+ struct lustre_id *);
+
+void mds_commit_last_fid_cb(struct obd_device *, __u64 fid,
+ void *data, int error);
+
+void mds_commit_last_transno_cb(struct obd_device *, __u64 transno,
+ void *data, int error);
+
+void mds_set_last_fid(struct obd_device *obd, __u64 fid);
#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 mea);
+
+int mds_pack_md(struct obd_device *, struct lustre_msg *, int offset,
+ struct mds_body *, struct inode *, int lock, int mea);
+int mds_pack_link(struct dentry *dentry, struct ptlrpc_request *req,
+ struct mds_body *repbody, int reply_off);
+int mds_pack_ea(struct dentry *dentry, struct ptlrpc_request *req,
+ struct mds_body *repbody, int req_off, int reply_off);
+int mds_pack_ealist(struct dentry *dentry, struct ptlrpc_request *req,
+ struct mds_body *repbody, int reply_off);
+int mds_pack_acl(struct obd_device *, struct lustre_msg *, int offset,
+ struct mds_body *, struct inode *);
+int mds_pack_inode2id(struct obd_device *, struct lustre_id *,
+ struct inode *, int);
+
+void mds_pack_inode2body(struct obd_device *, struct mds_body *,
+ struct inode *, int);
+
+void mds_pack_dentry2id(struct obd_device *, struct lustre_id *,
+ struct dentry *, int);
+
+void mds_pack_dentry2body(struct obd_device *, struct mds_body *b,
+ struct dentry *, int);
#endif
+/* mds/mds_lmv.c */
+int mds_md_postsetup(struct obd_device *obd);
+int mds_md_connect(struct obd_device *obd, char * lov_name);
+int mds_md_disconnect(struct obd_device *obd, int flags);
+int mds_try_to_split_dir(struct obd_device *, struct dentry *, struct mea **,
+ int, int);
+int mds_md_get_attr(struct obd_device *, struct inode *, struct mea **, int *);
+int mds_choose_mdsnum(struct obd_device *, const char *, int, int, struct ptlrpc_peer *, struct inode *);
+int mds_md_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);
+int mds_is_dir_empty(struct obd_device *, struct dentry *);
+int mds_md_reconnect(struct obd_device *obd);
+
+/* mds_lsd.c */
+struct upcall_cache *__mds_get_global_lsd_cache(void);
+int mds_init_lsd_cache(void);
+void mds_cleanup_lsd_cache(void);
+struct lustre_sec_desc * mds_get_lsd(__u32 uid);
+void mds_put_lsd(struct lustre_sec_desc *lsd);
+void mds_flush_lsd(__u32 id);
+
#endif /* _MDS_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff