X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmds%2Fmds_internal.h;h=daed20fe6bfeca2d56900c74811d4a8e4378b64a;hb=8c49b5e84e6c913505ae686b6e0b3b57565751da;hp=0f3a091267072020c6be9bfb410d7b2eda1bd4a7;hpb=73ba02bfa1eefc414a5d35c117e850322e68b92f;p=fs%2Flustre-release.git diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h index 0f3a091..daed20f 100644 --- a/lustre/mds/mds_internal.h +++ b/lustre/mds/mds_internal.h @@ -30,6 +30,72 @@ static inline struct obd_device *req2obd(struct ptlrpc_request *req) return req->rq_export->exp_obd; } +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_LOCK_COUNT = 6, + MDS_SETATTR_COUNT = 7, + MDS_RENAME_COUNT = 8, + MDS_STATFS_COUNT = 9, + MDS_LAST_OPC_COUNT = 10 +} mds_counters_t; + +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 + +#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) +#endif /* __KERNEL__ */ + /* 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, @@ -37,38 +103,39 @@ int enqueue_ordered_locks(struct obd_device *obd, struct ldlm_res_id *p1_res_id, 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_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, void* clone_info); + __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_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_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); @@ -76,6 +143,8 @@ 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_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); @@ -83,7 +152,8 @@ 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); +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); @@ -94,11 +164,12 @@ int mds_revalidate_lov_ea(struct obd_device *obd, struct inode *inode, 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); /* mds/mds_fs.c */ @@ -111,21 +182,66 @@ 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); +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); + +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__ -int mds_get_md(struct obd_device *, struct inode *, void *md, int *size, - int lock); +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_inode2fid(struct obd_device *, struct ll_fid *, struct inode *); -void mds_pack_inode2body(struct obd_device *, 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 */ @@ -144,6 +260,22 @@ 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 *); + +/* 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 */