X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Fmd_object.h;h=e10e45bba2cb2bb755a6587f2497f78655622dcf;hp=df6d505d55e3f3e397afd3598138de04c7fb2e37;hb=29e98f581ab68ecdfc1b923925eda2ec5b251f3a;hpb=6e3ec5812ebd1b5ecf7cae584f429b013ffe7431 diff --git a/lustre/include/md_object.h b/lustre/include/md_object.h index df6d505..e10e45b 100644 --- a/lustre/include/md_object.h +++ b/lustre/include/md_object.h @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2011, 2013, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -57,7 +57,6 @@ * super-class definitions. */ #include -#include struct md_device; struct md_device_operations; @@ -71,23 +70,6 @@ enum { UCRED_NEW = 2 }; -struct md_ucred { - __u32 mu_valid; - __u32 mu_o_uid; - __u32 mu_o_gid; - __u32 mu_o_fsuid; - __u32 mu_o_fsgid; - __u32 mu_uid; - __u32 mu_gid; - __u32 mu_fsuid; - __u32 mu_fsgid; - __u32 mu_suppgids[2]; - cfs_cap_t mu_cap; - __u32 mu_umask; - cfs_group_info_t *mu_ginfo; - struct md_identity *mu_identity; -}; - enum { MD_CAPAINFO_MAX = 5 }; @@ -97,7 +79,7 @@ enum { struct md_capainfo { __u32 mc_auth; __u32 mc_padding; - const struct lu_fid *mc_fid[MD_CAPAINFO_MAX]; + struct lu_fid mc_fid[MD_CAPAINFO_MAX]; struct lustre_capa *mc_capa[MD_CAPAINFO_MAX]; }; @@ -111,7 +93,6 @@ struct md_quota { * XXX should be moved into separate .h/.c together with all md security * related definitions. */ -struct md_ucred *md_ucred(const struct lu_env *env); struct md_capainfo *md_capainfo(const struct lu_env *env); struct md_quota *md_quota(const struct lu_env *env); @@ -124,9 +105,10 @@ enum ma_valid { MA_LMV = (1 << 4), MA_ACL_DEF = (1 << 5), MA_LOV_DEF = (1 << 6), -/* (Layout lock will used #7 here) */ + MA_LAY_GEN = (1 << 7), MA_HSM = (1 << 8), - MA_SOM = (1 << 9) + MA_SOM = (1 << 9), + MA_PFID = (1 << 10) }; typedef enum { @@ -147,19 +129,30 @@ typedef enum { MDT_PDO_LOCK = (1 << 1) } mdl_type_t; +/* memory structure for hsm attributes + * for fields description see the on disk structure hsm_attrs + * which is defined in lustre_idl.h + */ struct md_hsm { - __u32 mh_flags; + __u32 mh_compat; + __u32 mh_flags; + __u64 mh_arch_id; + __u64 mh_arch_ver; }; -#define ma_hsm_flags ma_hsm.mh_flags -#define HSM_FLAGS_MASK 0 #define IOEPOCH_INVAL 0 +/* memory structure for som attributes + * for fields description see the on disk structure som_attrs + * which is defined in lustre_idl.h + */ struct md_som_data { - __u64 msd_ioepoch; - __u64 msd_size; - __u64 msd_blocks; - __u64 msd_mountid; + __u32 msd_compat; + __u32 msd_incompat; + __u64 msd_ioepoch; + __u64 msd_size; + __u64 msd_blocks; + __u64 msd_mountid; }; struct md_attr { @@ -167,17 +160,19 @@ struct md_attr { __u64 ma_need; __u64 ma_attr_flags; struct lu_attr ma_attr; + struct lu_fid ma_pfid; + struct md_hsm ma_hsm; struct lov_mds_md *ma_lmm; - int ma_lmm_size; struct lmv_stripe_md *ma_lmv; - int ma_lmv_size; void *ma_acl; - int ma_acl_size; struct llog_cookie *ma_cookie; - int ma_cookie_size; struct lustre_capa *ma_capa; - struct md_hsm ma_hsm; struct md_som_data *ma_som; + int ma_lmm_size; + int ma_lmv_size; + int ma_acl_size; + int ma_cookie_size; + __u16 ma_layout_gen; }; /** Additional parameters for create */ @@ -195,21 +190,18 @@ struct md_op_spec { int eadatalen; } sp_ea; } u; - /** don't create lov objects or llog cookie - this replay */ - int no_create; /** Create flag from client: such as MDS_OPEN_CREAT, and others. */ - __u32 sp_cr_flags; + __u64 sp_cr_flags; - /** Should mdd do lookup sanity check or not. */ - int sp_cr_lookup; + /** don't create lov objects or llog cookie - this replay */ + unsigned int no_create:1, + sp_cr_lookup:1, /* do lookup sanity check or not. */ + sp_rm_entry:1; /* only remove name entry */ - /** Current lock mode for parent dir where create is performing. */ + /** Current lock mode for parent dir where create is performing. */ mdl_mode_t sp_cr_mode; - /** Check for split */ - int sp_ck_split; - /** to create directory */ const struct dt_index_features *sp_feat; }; @@ -241,12 +233,20 @@ struct md_object_operations { int (*moo_xattr_del)(const struct lu_env *env, struct md_object *obj, const char *name); + /** This method is used to swap the layouts between 2 objects */ + int (*moo_swap_layouts)(const struct lu_env *env, + struct md_object *obj1, struct md_object *obj2, + __u64 flags); + + /** \retval number of bytes actually read upon success */ int (*moo_readpage)(const struct lu_env *env, struct md_object *obj, const struct lu_rdpg *rdpg); int (*moo_readlink)(const struct lu_env *env, struct md_object *obj, struct lu_buf *buf); - + int (*moo_changelog)(const struct lu_env *env, + enum changelog_rec_type type, int flags, + struct md_object *obj); /** part of cross-ref operation */ int (*moo_object_create)(const struct lu_env *env, struct md_object *obj, @@ -265,18 +265,23 @@ struct md_object_operations { struct md_object *obj, int flag); int (*moo_close)(const struct lu_env *env, struct md_object *obj, - struct md_attr *ma); + struct md_attr *ma, int mode); int (*moo_capa_get)(const struct lu_env *, struct md_object *, struct lustre_capa *, int renewal); int (*moo_object_sync)(const struct lu_env *, struct md_object *); - dt_obj_version_t (*moo_version_get)(const struct lu_env *, - struct md_object *); - void (*moo_version_set)(const struct lu_env *, struct md_object *, - dt_obj_version_t); - int (*moo_path)(const struct lu_env *env, struct md_object *obj, - char *path, int pathlen, __u64 *recno, int *linkno); + + int (*moo_file_lock)(const struct lu_env *env, struct md_object *obj, + struct lov_mds_md *lmm, struct ldlm_extent *extent, + struct lustre_handle *lockh); + int (*moo_file_unlock)(const struct lu_env *env, struct md_object *obj, + struct lov_mds_md *lmm, + struct lustre_handle *lockh); + int (*moo_object_lock)(const struct lu_env *env, struct md_object *obj, + struct lustre_handle *lh, + struct ldlm_enqueue_info *einfo, + void *policy); }; /** @@ -314,9 +319,16 @@ struct md_dir_operations { struct md_object *src_obj, const struct lu_name *lname, struct md_attr *ma); - int (*mdo_unlink)(const struct lu_env *env, struct md_object *pobj, - struct md_object *cobj, const struct lu_name *lname, - struct md_attr *ma); + int (*mdo_unlink)(const struct lu_env *env, struct md_object *pobj, + struct md_object *cobj, const struct lu_name *lname, + struct md_attr *ma, int no_name); + + /** This method is used to compare a requested layout to an existing + * layout (struct lov_mds_md_v1/3 vs struct lov_mds_md_v1/3) */ + int (*mdo_lum_lmm_cmp)(const struct lu_env *env, + struct md_object *cobj, + const struct md_op_spec *spec, + struct md_attr *ma); /** partial ops for cross-ref case */ int (*mdo_name_insert)(const struct lu_env *env, @@ -337,14 +349,14 @@ struct md_dir_operations { struct md_device_operations { /** meta-data device related handlers. */ - int (*mdo_root_get)(const struct lu_env *env, struct md_device *m, - struct lu_fid *f); + int (*mdo_root_get)(const struct lu_env *env, struct md_device *m, + struct lu_fid *f); int (*mdo_maxsize_get)(const struct lu_env *env, struct md_device *m, int *md_size, int *cookie_size); int (*mdo_statfs)(const struct lu_env *env, struct md_device *m, - cfs_kstatfs_t *sfs); + struct obd_statfs *sfs); int (*mdo_init_capa_ctxt)(const struct lu_env *env, struct md_device *m, int mode, unsigned long timeout, __u32 alg, @@ -359,79 +371,6 @@ struct md_device_operations { int (*mdo_iocontrol)(const struct lu_env *env, struct md_device *m, unsigned int cmd, int len, void *data); - -#ifdef HAVE_QUOTA_SUPPORT - struct md_quota_operations { - int (*mqo_notify)(const struct lu_env *env, - struct md_device *m); - - int (*mqo_setup)(const struct lu_env *env, - struct md_device *m, - void *data); - - int (*mqo_cleanup)(const struct lu_env *env, - struct md_device *m); - - int (*mqo_recovery)(const struct lu_env *env, - struct md_device *m); - - int (*mqo_check)(const struct lu_env *env, - struct md_device *m, - __u32 type); - - int (*mqo_on)(const struct lu_env *env, - struct md_device *m, - __u32 type); - - int (*mqo_off)(const struct lu_env *env, - struct md_device *m, - __u32 type); - - int (*mqo_setinfo)(const struct lu_env *env, - struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqinfo *dqinfo); - - int (*mqo_getinfo)(const struct lu_env *env, - const struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqinfo *dqinfo); - - int (*mqo_setquota)(const struct lu_env *env, - struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqblk *dqblk); - - int (*mqo_getquota)(const struct lu_env *env, - const struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqblk *dqblk); - - int (*mqo_getoinfo)(const struct lu_env *env, - const struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqinfo *dqinfo); - - int (*mqo_getoquota)(const struct lu_env *env, - const struct md_device *m, - __u32 type, - __u32 id, - struct obd_dqblk *dqblk); - - int (*mqo_invalidate)(const struct lu_env *env, - struct md_device *m, - __u32 type); - - int (*mqo_finvalidate)(const struct lu_env *env, - struct md_device *m, - __u32 type); - } mdo_quota; -#endif }; enum md_upcall_event { @@ -447,7 +386,7 @@ enum md_upcall_event { struct md_upcall { /** this lock protects upcall using against its removal * read lock is for usage the upcall, write - for init/fini */ - cfs_rw_semaphore_t mu_upcall_sem; + struct rw_semaphore mu_upcall_sem; /** device to call, upper layer normally */ struct md_device *mu_upcall_dev; /** upcall function */ @@ -463,39 +402,39 @@ struct md_device { static inline void md_upcall_init(struct md_device *m, void *upcl) { - cfs_init_rwsem(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = NULL; - m->md_upcall.mu_upcall = upcl; + init_rwsem(&m->md_upcall.mu_upcall_sem); + m->md_upcall.mu_upcall_dev = NULL; + m->md_upcall.mu_upcall = upcl; } static inline void md_upcall_dev_set(struct md_device *m, struct md_device *up) { - cfs_down_write(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = up; - cfs_up_write(&m->md_upcall.mu_upcall_sem); + down_write(&m->md_upcall.mu_upcall_sem); + m->md_upcall.mu_upcall_dev = up; + up_write(&m->md_upcall.mu_upcall_sem); } static inline void md_upcall_fini(struct md_device *m) { - cfs_down_write(&m->md_upcall.mu_upcall_sem); - m->md_upcall.mu_upcall_dev = NULL; - m->md_upcall.mu_upcall = NULL; - cfs_up_write(&m->md_upcall.mu_upcall_sem); + down_write(&m->md_upcall.mu_upcall_sem); + m->md_upcall.mu_upcall_dev = NULL; + m->md_upcall.mu_upcall = NULL; + up_write(&m->md_upcall.mu_upcall_sem); } static inline int md_do_upcall(const struct lu_env *env, struct md_device *m, - enum md_upcall_event ev, void *data) -{ - int rc = 0; - cfs_down_read(&m->md_upcall.mu_upcall_sem); - if (m->md_upcall.mu_upcall_dev != NULL && - m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall != NULL) { - rc = m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall(env, - m->md_upcall.mu_upcall_dev, - ev, data); - } - cfs_up_read(&m->md_upcall.mu_upcall_sem); - return rc; + enum md_upcall_event ev, void *data) +{ + int rc = 0; + down_read(&m->md_upcall.mu_upcall_sem); + if (m->md_upcall.mu_upcall_dev != NULL && + m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall != NULL) { + rc = m->md_upcall.mu_upcall_dev->md_upcall.mu_upcall(env, + m->md_upcall.mu_upcall_dev, + ev, data); + } + up_read(&m->md_upcall.mu_upcall_sem); + return rc; } struct md_object { @@ -505,42 +444,37 @@ struct md_object { }; /** - * md-server site. + * seq-server site. */ -struct md_site { - struct lu_site ms_lu; - /** - * mds number of this site. - */ - mdsno_t ms_node_id; - /** - * Fid location database - */ - struct lu_server_fld *ms_server_fld; - struct lu_client_fld *ms_client_fld; - - /** - * Server Seq Manager - */ - struct lu_server_seq *ms_server_seq; - - /** - * Controller Seq Manager - */ - struct lu_server_seq *ms_control_seq; - struct obd_export *ms_control_exp; - - /** - * Client Seq Manager - */ - struct lu_client_seq *ms_client_seq; +struct seq_server_site { + struct lu_site *ss_lu; + /** + * mds number of this site. + */ + mdsno_t ss_node_id; + /** + * Fid location database + */ + struct lu_server_fld *ss_server_fld; + struct lu_client_fld *ss_client_fld; + + /** + * Server Seq Manager + */ + struct lu_server_seq *ss_server_seq; + + /** + * Controller Seq Manager + */ + struct lu_server_seq *ss_control_seq; + struct obd_export *ss_control_exp; + + /** + * Client Seq Manager + */ + struct lu_client_seq *ss_client_seq; }; -static inline int lu_device_is_md(const struct lu_device *d) -{ - return ergo(d != NULL, d->ld_type->ldt_tags & LU_DEVICE_MD); -} - static inline struct md_device *lu2md_dev(const struct lu_device *d) { LASSERT(IS_ERR(d) || lu_device_is_md(d)); @@ -569,9 +503,9 @@ static inline struct md_device *md_obj2dev(const struct md_object *o) return container_of0(o->mo_lu.lo_dev, struct md_device, md_lu_dev); } -static inline struct md_site *lu_site2md(const struct lu_site *s) +static inline struct seq_server_site *lu_site2seq(const struct lu_site *s) { - return container_of0(s, struct md_site, ms_lu); + return s->ld_seq_site; } static inline int md_device_init(struct md_device *md, struct lu_device_type *t) @@ -619,6 +553,14 @@ static inline int mo_readlink(const struct lu_env *env, return m->mo_ops->moo_readlink(env, m, buf); } +static inline int mo_changelog(const struct lu_env *env, + enum changelog_rec_type type, + int flags, struct md_object *m) +{ + LASSERT(m->mo_ops->moo_changelog); + return m->mo_ops->moo_changelog(env, type, flags, m); +} + static inline int mo_attr_set(const struct lu_env *env, struct md_object *m, const struct md_attr *at) @@ -662,6 +604,17 @@ static inline int mo_xattr_list(const struct lu_env *env, return m->mo_ops->moo_xattr_list(env, m, buf); } +static inline int mo_swap_layouts(const struct lu_env *env, + struct md_object *o1, + struct md_object *o2, __u64 flags) +{ + LASSERT(o1->mo_ops->moo_swap_layouts); + LASSERT(o2->mo_ops->moo_swap_layouts); + if (o1->mo_ops->moo_swap_layouts != o2->mo_ops->moo_swap_layouts) + return -EPERM; + return o1->mo_ops->moo_swap_layouts(env, o1, o2, flags); +} + static inline int mo_open(const struct lu_env *env, struct md_object *m, int flags) @@ -672,10 +625,11 @@ static inline int mo_open(const struct lu_env *env, static inline int mo_close(const struct lu_env *env, struct md_object *m, - struct md_attr *ma) + struct md_attr *ma, + int mode) { LASSERT(m->mo_ops->moo_close); - return m->mo_ops->moo_close(env, m, ma); + return m->mo_ops->moo_close(env, m, ma, mode); } static inline int mo_readpage(const struct lu_env *env, @@ -720,32 +674,37 @@ static inline int mo_capa_get(const struct lu_env *env, return m->mo_ops->moo_capa_get(env, m, c, renewal); } -static inline int mo_path(const struct lu_env *env, struct md_object *m, - char *path, int pathlen, __u64 *recno, int *linkno) -{ - if (m->mo_ops->moo_path == NULL) - return -ENOSYS; - return m->mo_ops->moo_path(env, m, path, pathlen, recno, linkno); -} - static inline int mo_object_sync(const struct lu_env *env, struct md_object *m) { LASSERT(m->mo_ops->moo_object_sync); return m->mo_ops->moo_object_sync(env, m); } -static inline dt_obj_version_t mo_version_get(const struct lu_env *env, - struct md_object *m) +static inline int mo_file_lock(const struct lu_env *env, struct md_object *m, + struct lov_mds_md *lmm, + struct ldlm_extent *extent, + struct lustre_handle *lockh) { - LASSERT(m->mo_ops->moo_version_get); - return m->mo_ops->moo_version_get(env, m); + LASSERT(m->mo_ops->moo_file_lock); + return m->mo_ops->moo_file_lock(env, m, lmm, extent, lockh); } -static inline void mo_version_set(const struct lu_env *env, - struct md_object *m, dt_obj_version_t ver) +static inline int mo_file_unlock(const struct lu_env *env, struct md_object *m, + struct lov_mds_md *lmm, + struct lustre_handle *lockh) { - LASSERT(m->mo_ops->moo_version_set); - return m->mo_ops->moo_version_set(env, m, ver); + LASSERT(m->mo_ops->moo_file_unlock); + return m->mo_ops->moo_file_unlock(env, m, lmm, lockh); +} + +static inline int mo_object_lock(const struct lu_env *env, + struct md_object *m, + struct lustre_handle *lh, + struct ldlm_enqueue_info *einfo, + void *policy) +{ + LASSERT(m->mo_ops->moo_object_lock); + return m->mo_ops->moo_object_lock(env, m, lh, einfo, policy); } static inline int mdo_lookup(const struct lu_env *env, @@ -774,8 +733,8 @@ static inline int mdo_create(const struct lu_env *env, struct md_op_spec *spc, struct md_attr *at) { - LASSERT(c->mo_dir_ops->mdo_create); - return c->mo_dir_ops->mdo_create(env, p, lchild_name, c, spc, at); + LASSERT(p->mo_dir_ops->mdo_create); + return p->mo_dir_ops->mdo_create(env, p, lchild_name, c, spc, at); } static inline int mdo_create_data(const struct lu_env *env, @@ -822,13 +781,22 @@ static inline int mdo_link(const struct lu_env *env, } static inline int mdo_unlink(const struct lu_env *env, - struct md_object *p, - struct md_object *c, - const struct lu_name *lname, - struct md_attr *ma) + struct md_object *p, + struct md_object *c, + const struct lu_name *lname, + struct md_attr *ma, int no_name) +{ + LASSERT(p->mo_dir_ops->mdo_unlink); + return p->mo_dir_ops->mdo_unlink(env, p, c, lname, ma, no_name); +} + +static inline int mdo_lum_lmm_cmp(const struct lu_env *env, + struct md_object *c, + const struct md_op_spec *spec, + struct md_attr *ma) { - LASSERT(c->mo_dir_ops->mdo_unlink); - return c->mo_dir_ops->mdo_unlink(env, p, c, lname, ma); + LASSERT(c->mo_dir_ops->mdo_lum_lmm_cmp); + return c->mo_dir_ops->mdo_lum_lmm_cmp(env, c, spec, ma); } static inline int mdo_name_insert(const struct lu_env *env, @@ -866,6 +834,17 @@ static inline int mdo_rename_tgt(const struct lu_env *env, } } +/** + * Used in MDD/OUT layer for object lock rule + **/ +enum mdd_object_role { + MOR_SRC_PARENT, + MOR_SRC_CHILD, + MOR_TGT_PARENT, + MOR_TGT_CHILD, + MOR_TGT_ORPHAN +}; + struct dt_device; /** * Structure to hold object information. This is used to create object @@ -880,40 +859,50 @@ struct lu_local_obj_desc { cfs_list_t llod_linkage; }; -struct md_object *llo_store_resolve(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *path, - struct lu_fid *fid); - -struct md_object *llo_store_open(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - struct lu_fid *fid); - -struct md_object *llo_store_create_index(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid, - const struct dt_index_features *feat); - -struct md_object *llo_store_create(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid); - -void llo_local_obj_register(struct lu_local_obj_desc *); -void llo_local_obj_unregister(struct lu_local_obj_desc *); - -int llo_local_objects_setup(const struct lu_env *env, - struct md_device * md, - struct dt_device * dt); +int lustre_buf2som(void *buf, int rc, struct md_som_data *msd); +int lustre_buf2hsm(void *buf, int rc, struct md_hsm *mh); +void lustre_hsm2buf(void *buf, struct md_hsm *mh); + +struct lu_ucred { + __u32 uc_valid; + __u32 uc_o_uid; + __u32 uc_o_gid; + __u32 uc_o_fsuid; + __u32 uc_o_fsgid; + __u32 uc_uid; + __u32 uc_gid; + __u32 uc_fsuid; + __u32 uc_fsgid; + __u32 uc_suppgids[2]; + cfs_cap_t uc_cap; + __u32 uc_umask; + cfs_group_info_t *uc_ginfo; + struct md_identity *uc_identity; +}; + +struct lu_ucred *lu_ucred(const struct lu_env *env); + +struct lu_ucred *lu_ucred_check(const struct lu_env *env); + +struct lu_ucred *lu_ucred_assert(const struct lu_env *env); + +int lu_ucred_global_init(void); + +void lu_ucred_global_fini(void); + +#define md_cap_t(x) (x) + +#define MD_CAP_TO_MASK(x) (1 << (x)) + +#define md_cap_raised(c, flag) (md_cap_t(c) & MD_CAP_TO_MASK(flag)) + +/* capable() is copied from linux kernel! */ +static inline int md_capable(struct lu_ucred *uc, cfs_cap_t cap) +{ + if (md_cap_raised(uc->uc_cap, cap)) + return 1; + return 0; +} /** @} md */ #endif /* _LINUX_MD_OBJECT_H */