X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Fmds%2Fmds_internal.h;h=f20e42e4fe4351f8b0b9247686c227574b2a7fa8;hb=ca9d46da5bdd9a9fcce88ea8b1cfc928054606a7;hp=5dcd667e3ac2192baefd616391d8025ce2b5875c;hpb=c5050e412572b00cbe93d8517d2d1f767bebfa92;p=fs%2Flustre-release.git diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h index 5dcd667..f20e42e 100644 --- a/lustre/mds/mds_internal.h +++ b/lustre/mds/mds_internal.h @@ -6,86 +6,368 @@ #define _MDS_INTERNAL_H #include +#include + +#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 MDS_FILTERDATA(inode) ((struct mds_filter_data *)LUSTRE_FILTERDATA(inode)) +#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 + +/* 1048576 should be enough for one client pool */ +#define MDS_FIDEXT_SIZE (1 << 20) 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; +} + +#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 + +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) + + +/* inode flags managed by mds directly */ +#define MDS_IF_ATTRS_OLD 0x8000000 /* inode needs attrs. refreshing */ + +#define mds_inode_has_old_attrs(inode) ((inode)->i_flags & MDS_IF_ATTRS_OLD) +#define mds_inode_set_attrs_old(inode) \ +do { \ + (inode)->i_flags |= MDS_IF_ATTRS_OLD; \ + CDEBUG(D_VFSTRACE, "setting attr.old flag on inode %p\n", inode);\ +} while (0) +#define mds_inode_unset_attrs_old(inode) \ +do { \ + (inode)->i_flags &= ~(MDS_IF_ATTRS_OLD); \ + CDEBUG(D_VFSTRACE, "removing attrs.old 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_remote_perm_do_reverse_map(struct mds_export_data *med, + struct mds_remote_perm *perm); +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); + +int mds_set_gskey(struct obd_device *obd, void *handle, + struct inode *inode, void *key, int key_len, int valid); +int mds_set_crypto_type(struct obd_device *obd, void *val, __u32 vallen); +int mds_pack_gskey(struct obd_device *obd, struct lustre_msg *repmsg, + int *offset, struct mds_body *body, struct inode *inode); /* 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); +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 lustre_msg *repmsg, int offset); -int mds_llog_init(struct obd_device *obd, struct obd_device *tgt, int count, - struct llog_logid *logid); -int mds_llog_finish(struct obd_device *obd, int count); +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_lov_connect(struct obd_device *obd, char * lov_name); -int mds_lov_disconnect(struct obd_device *obd, int flags); +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_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_dt_write_objids(struct obd_device *obd); +int mds_dt_set_growth(struct mds_obd *mds, int count); +int mds_dt_clear_orphans(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); +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); +void mds_dt_update_objids(struct obd_device *obd, obd_id *ids); +void mds_dt_save_objids(struct obd_device *obd, obd_id *ids); /* mds/mds_open.c */ +int mds_create_object(struct obd_device *obd, struct ptlrpc_request *req, + int offset, struct mds_update_record *rec, + struct dentry *dchild, void **handle, + obd_id *ids); +int mds_destroy_object(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_mfd_close(struct ptlrpc_request *req, struct obd_device *obd, - struct mds_file_data *mfd, int unlink_orphan); -int mds_close(struct ptlrpc_request *req); -int mds_done_writing(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); +struct mds_file_data *mds_handle2mfd(struct lustre_handle *handle); +int mds_validate_size(struct obd_device *obd, struct inode *inode, + struct mds_body *body, struct iattr *iattr); +int accmode(int flags); /* mds/mds_fs.c */ +int mds_fidmap_init(struct obd_device *obd, int size); +int mds_fidmap_cleanup(struct obd_device *obd); + +struct fidmap_entry * +mds_fidmap_find(struct obd_device *obd, __u64 fid); + +struct lustre_id * +mds_fidmap_lookup(struct obd_device *obd, + struct lustre_id *id); + +void mds_fidmap_insert(struct obd_device *obd, + struct fidmap_entry *entry); + +void mds_fidmap_remove(struct obd_device *obd, + struct fidmap_entry *entry); + +int mds_fidmap_add(struct obd_device *obd, + struct lustre_id *id); + +void mds_fidmap_del(struct obd_device *obd, + struct lustre_id *id); + 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, int clear_client); int mds_obd_create(struct obd_export *exp, struct obdo *oa, - struct lov_stripe_md **ea, struct obd_trans_info *oti); + 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_getattr_size(struct obd_device *obd, struct dentry *dentry, + struct ptlrpc_request *req, struct mds_body *body); +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; -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_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); + +void mds_inode2id(struct obd_device *obd, struct lustre_id *id, + struct inode *inode, __u64 fid); +int mds_update_inode_ids(struct obd_device *, struct inode *, + void *, struct lustre_id *, struct lustre_id *); +int mds_read_inode_sid(struct obd_device *, struct inode *, + struct lustre_id *); + +int mds_read_inode_pid(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__ +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); -void mds_pack_inode2fid(struct ll_fid *fid, struct inode *inode); -void mds_pack_inode2body(struct mds_body *body, struct inode *inode); + 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_xattr(struct dentry *dentry, struct ptlrpc_request *req, + struct mds_body *repbody, int req_off, int reply_off); +int mds_pack_xattr_list(struct dentry *dentry, struct ptlrpc_request *req, + struct mds_body *repbody, int reply_off); +int mds_pack_acl(struct ptlrpc_request *req, int reply_off, + struct mds_body *body, struct inode *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); +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); + +/* mds_audit_path.c */ +int mds_parse_id(struct ptlrpc_request *req); + +/* mds_audit.c */ +int mds_set_audit(struct obd_device * obd, void * val); +int mds_pack_audit(struct obd_device *, struct inode *, struct mds_body *); +int mds_audit_auth(struct ptlrpc_request *, struct lvfs_ucred *, + audit_op, struct lustre_id *, char *, int); +int mds_audit_stat(struct ptlrpc_request *, struct lustre_id *, + struct inode *, char*, int, int); +int mds_audit_open(struct ptlrpc_request *, struct lustre_id *, + struct inode *, char*, int, int); + +/* mds_acl.c */ +struct upcall_cache *__mds_get_global_rmtacl_upcall_cache(void); +int mds_init_rmtacl_upcall_cache(void); +void mds_cleanup_rmtacl_upcall_cache(void); +void mds_do_remote_acl_upcall(struct rmtacl_upcall_desc *desc); + +/* mds_capa.c */ +extern struct timer_list mds_eck_timer; + +int mds_read_capa_key(struct obd_device *obd, struct file *file); +void mds_capa_keys_cleanup(struct obd_device *obd); +void mds_capa_key_timer_callback(unsigned long data); +int mds_capa_key_start_thread(void); +void mds_capa_key_stop_thread(void); +int mds_pack_capa(struct obd_device *obd, struct mds_export_data *med, + struct mds_body *req_body, struct lustre_capa *req_capa, + struct ptlrpc_request *req, int *offset, + struct mds_body *body); +void mds_update_capa_stat(struct obd_device *obd, int stat); +void mds_update_capa_timeout(struct obd_device *obd, unsigned long timeout); +int mds_update_capa_key_timeout(struct obd_device *obd, unsigned long timeout); + #endif /* _MDS_INTERNAL_H */