X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmds%2Fmds_internal.h;h=d7130318485880568c18c89366185832cf0c9521;hb=00fc7ec0e84c297275f3d746b18ea0310e69cf57;hp=c2d3d77f622009f8b9aeb5e102e3aa5744823f23;hpb=a2a0746305449dbd925879b14dc2c0d6040bb8bf;p=fs%2Flustre-release.git diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h index c2d3d77..d713031 100644 --- a/lustre/mds/mds_internal.h +++ b/lustre/mds/mds_internal.h @@ -1,49 +1,203 @@ +/* -*- 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 + +#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 */