X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Fmd_object.h;h=72e7719d021a7f2b06c4295d8d5e858b9be1a58b;hp=cd52a7d1ddc0876aabecf0820627849434513778;hb=8d27c92a66d63aaf8b8fbe1fc73e49263b5bed1e;hpb=3a78e12f100e43e2996976d06a95a1b8e61b33ff diff --git a/lustre/include/md_object.h b/lustre/include/md_object.h index cd52a7d..72e7719 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. @@ -17,20 +15,15 @@ * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. - */ -/* - * Copyright (c) 2011 Whamcloud, Inc. + * + * Copyright (c) 2011, 2017, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -44,6 +37,10 @@ #ifndef _LUSTRE_MD_OBJECT_H #define _LUSTRE_MD_OBJECT_H +#ifndef HAVE_SERVER_SUPPORT +# error "client code should not depend on md_object.h" +#endif /* !HAVE_SERVER_SUPPORT */ + /** \defgroup md md * Sub-class of lu_object with methods common for "meta-data" objects in MDT * stack. @@ -60,77 +57,24 @@ * super-class definitions. */ #include -#include struct md_device; struct md_device_operations; struct md_object; struct obd_export; -enum { - UCRED_INVALID = -1, - UCRED_INIT = 0, - UCRED_OLD = 1, - 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 -}; - -/** there are at most 5 fids in one operation, see rename, NOTE the last one - * is a temporary one used for is_subdir() */ -struct md_capainfo { - __u32 mc_auth; - __u32 mc_padding; - struct lu_fid mc_fid[MD_CAPAINFO_MAX]; - struct lustre_capa *mc_capa[MD_CAPAINFO_MAX]; -}; - -struct md_quota { - struct obd_export *mq_exp; -}; - -/** - * Implemented in mdd/mdd_handler.c. - * - * 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); - /** metadata attributes */ enum ma_valid { - MA_INODE = (1 << 0), - MA_LOV = (1 << 1), - MA_COOKIE = (1 << 2), - MA_FLAGS = (1 << 3), - MA_LMV = (1 << 4), - MA_ACL_DEF = (1 << 5), - MA_LOV_DEF = (1 << 6), - MA_LAY_GEN = (1 << 7), - MA_HSM = (1 << 8), - MA_SOM = (1 << 9), - MA_PFID = (1 << 10) + MA_INODE = 1 << 0, + MA_LOV = 1 << 1, + MA_FLAGS = 1 << 2, + MA_LMV = 1 << 3, + MA_ACL_DEF = 1 << 4, + MA_LOV_DEF = 1 << 5, + MA_HSM = 1 << 6, + MA_PFID = 1 << 7, + MA_LMV_DEF = 1 << 8, + MA_SOM = 1 << 9, }; typedef enum { @@ -151,413 +95,269 @@ typedef enum { MDT_PDO_LOCK = (1 << 1) } mdl_type_t; +/* lfs rgetfacl permission check */ +#define MAY_RGETFACL (1 << 14) + +/* 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_archive_number; + __u32 mh_compat; + __u32 mh_flags; + __u64 mh_arch_id; + __u64 mh_arch_ver; }; -#define IOEPOCH_INVAL 0 -struct md_som_data { - __u64 msd_ioepoch; - __u64 msd_size; - __u64 msd_blocks; - __u64 msd_mountid; +/* 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 { + __u16 ms_valid; + __u64 ms_size; + __u64 ms_blocks; }; struct md_attr { - __u64 ma_valid; - __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; - struct lmv_stripe_md *ma_lmv; - void *ma_acl; - struct llog_cookie *ma_cookie; - struct lustre_capa *ma_capa; - 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; + __u64 ma_valid; + __u64 ma_need; + __u64 ma_attr_flags; + struct lu_attr ma_attr; + struct lu_fid ma_pfid; + struct md_hsm ma_hsm; + struct md_som ma_som; + struct lov_mds_md *ma_lmm; + union lmv_mds_md *ma_lmv; + struct lmv_user_md *ma_default_lmv; + void *ma_acl; + int ma_lmm_size; + int ma_lmv_size; + int ma_default_lmv_size; + int ma_acl_size; }; /** Additional parameters for create */ struct md_op_spec { - union { - /** symlink target */ - const char *sp_symname; - /** parent FID for cross-ref mkdir */ - const struct lu_fid *sp_pfid; - /** eadata for regular files */ - struct md_spec_reg { - /** lov objs exist already */ - const struct lu_fid *fid; - const void *eadata; - 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. */ - __u64 sp_cr_flags; - - /** Should mdd do lookup sanity check or not. */ - int sp_cr_lookup; - - /** 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; + union { + /** symlink target */ + const char *sp_symname; + /** eadata for regular files */ + struct md_spec_reg { + void *eadata; + int eadatalen; + } sp_ea; + } u; + + /** Open flags from client: such as MDS_OPEN_CREAT, and others. */ + __u64 sp_cr_flags; + + /* File security context for creates. */ + const char *sp_cr_file_secctx_name; /* (security) xattr name */ + void *sp_cr_file_secctx; /* xattr value */ + size_t sp_cr_file_secctx_size; /* xattr value size */ + + /* Archive ID used for auto PCC attach when create newly files. */ + __u32 sp_archive_id; + + /** 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 */ + sp_permitted:1, /* do not check permission */ + sp_migrate_close:1; /* close the file during migrate */ + /** Current lock mode for parent dir where create is performing. */ + mdl_mode_t sp_cr_mode; + + /** to create directory */ + const struct dt_index_features *sp_feat; +}; + +enum md_layout_opc { + MD_LAYOUT_NOP = 0, + MD_LAYOUT_WRITE, /* FLR: write the file */ + MD_LAYOUT_RESYNC, /* FLR: resync starts */ + MD_LAYOUT_RESYNC_DONE, /* FLR: resync done */ +}; + +/** + * Parameters for layout change API. + */ +struct md_layout_change { + enum md_layout_opc mlc_opc; + __u16 mlc_mirror_id; + struct layout_intent *mlc_intent; + struct lu_buf mlc_buf; + struct lustre_som_attrs mlc_som; + size_t mlc_resync_count; + __u32 *mlc_resync_ids; }; +union ldlm_policy_data; /** * Operations implemented for each md object (both directory and leaf). */ struct md_object_operations { - int (*moo_permission)(const struct lu_env *env, - struct md_object *pobj, struct md_object *cobj, - struct md_attr *attr, int mask); - - int (*moo_attr_get)(const struct lu_env *env, struct md_object *obj, - struct md_attr *attr); - - int (*moo_attr_set)(const struct lu_env *env, struct md_object *obj, - const struct md_attr *attr); - - int (*moo_xattr_get)(const struct lu_env *env, struct md_object *obj, - struct lu_buf *buf, const char *name); - - int (*moo_xattr_list)(const struct lu_env *env, struct md_object *obj, - struct lu_buf *buf); - - int (*moo_xattr_set)(const struct lu_env *env, struct md_object *obj, - const struct lu_buf *buf, const char *name, - int fl); - - int (*moo_xattr_del)(const struct lu_env *env, struct md_object *obj, - const char *name); - - /** \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, - const struct md_op_spec *spec, - struct md_attr *ma); - - int (*moo_ref_add)(const struct lu_env *env, - struct md_object *obj, - const struct md_attr *ma); - - int (*moo_ref_del)(const struct lu_env *env, - struct md_object *obj, - struct md_attr *ma); - - int (*moo_open)(const struct lu_env *env, - struct md_object *obj, int flag); - - int (*moo_close)(const struct lu_env *env, struct md_object *obj, - 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 *); - 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_permission)(const struct lu_env *env, + struct md_object *pobj, struct md_object *cobj, + struct md_attr *attr, int mask); + + int (*moo_attr_get)(const struct lu_env *env, struct md_object *obj, + struct md_attr *attr); + + int (*moo_attr_set)(const struct lu_env *env, struct md_object *obj, + const struct md_attr *attr); + + int (*moo_xattr_get)(const struct lu_env *env, struct md_object *obj, + struct lu_buf *buf, const char *name); + + int (*moo_xattr_list)(const struct lu_env *env, struct md_object *obj, + struct lu_buf *buf); + + int (*moo_xattr_set)(const struct lu_env *env, struct md_object *obj, + const struct lu_buf *buf, const char *name, + int fl); + + 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, + enum changelog_rec_flags clf_flags, + struct md_device *m, const struct lu_fid *fid); + + int (*moo_open)(const struct lu_env *env, struct md_object *obj, + u64 open_flags, struct md_op_spec*); + + int (*moo_close)(const struct lu_env *env, struct md_object *obj, + struct md_attr *ma, u64 open_flags); + + int (*moo_object_sync)(const struct lu_env *, struct md_object *); + + int (*moo_object_lock)(const struct lu_env *env, struct md_object *obj, + struct lustre_handle *lh, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy); + int (*moo_object_unlock)(const struct lu_env *env, + struct md_object *obj, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy); + + int (*moo_invalidate)(const struct lu_env *env, struct md_object *obj); + /** + * Trying to write to un-instantiated layout component. + * + * The caller should have held layout lock. + * + * This API can be extended to support every other layout changing + * operations, such as component {add,del,change}, layout swap, + * layout merge, etc. One of the benefits by doing this is that the MDT + * no longer needs to understand layout. + * + * However, layout creation, removal, and fetch should still use + * xattr_{get,set}() because they don't interpret layout on the + * MDT layer. + * + * \param[in] env execution environment + * \param[in] obj MD object + * \param[in] layout data structure to describe the changes to + * the MD object's layout + * + * \retval 0 success + * \retval -ne error code + */ + int (*moo_layout_change)(const struct lu_env *env, + struct md_object *obj, + struct md_layout_change *layout); }; /** * Operations implemented for each directory object. */ struct md_dir_operations { - int (*mdo_is_subdir) (const struct lu_env *env, struct md_object *obj, - const struct lu_fid *fid, struct lu_fid *sfid); - - int (*mdo_lookup)(const struct lu_env *env, struct md_object *obj, - const struct lu_name *lname, struct lu_fid *fid, - struct md_op_spec *spec); - - mdl_mode_t (*mdo_lock_mode)(const struct lu_env *env, - struct md_object *obj, - mdl_mode_t mode); - - int (*mdo_create)(const struct lu_env *env, struct md_object *pobj, - const struct lu_name *lname, struct md_object *child, - struct md_op_spec *spec, - struct md_attr *ma); - - /** This method is used for creating data object for this meta object*/ - int (*mdo_create_data)(const struct lu_env *env, struct md_object *p, - struct md_object *o, - const struct md_op_spec *spec, - struct md_attr *ma); - - int (*mdo_rename)(const struct lu_env *env, struct md_object *spobj, - struct md_object *tpobj, const struct lu_fid *lf, - const struct lu_name *lsname, struct md_object *tobj, - const struct lu_name *ltname, struct md_attr *ma); - - int (*mdo_link)(const struct lu_env *env, struct md_object *tgt_obj, - 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); - - /** 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, - struct md_object *obj, - const struct lu_name *lname, - const struct lu_fid *fid, - const struct md_attr *ma); - - int (*mdo_name_remove)(const struct lu_env *env, - struct md_object *obj, - const struct lu_name *lname, - const struct md_attr *ma); - - int (*mdo_rename_tgt)(const struct lu_env *env, struct md_object *pobj, - struct md_object *tobj, const struct lu_fid *fid, - const struct lu_name *lname, struct md_attr *ma); + int (*mdo_is_subdir)(const struct lu_env *env, struct md_object *obj, + const struct lu_fid *fid); + + int (*mdo_lookup)(const struct lu_env *env, struct md_object *obj, + const struct lu_name *lname, struct lu_fid *fid, + struct md_op_spec *spec); + + mdl_mode_t (*mdo_lock_mode)(const struct lu_env *env, + struct md_object *obj, + mdl_mode_t mode); + + int (*mdo_create)(const struct lu_env *env, struct md_object *pobj, + const struct lu_name *lname, struct md_object *child, + struct md_op_spec *spec, + struct md_attr *ma); + + /** This method is used for creating data object for this meta object*/ + int (*mdo_create_data)(const struct lu_env *env, struct md_object *p, + struct md_object *o, + const struct md_op_spec *spec, + struct md_attr *ma); + + int (*mdo_rename)(const struct lu_env *env, struct md_object *spobj, + struct md_object *tpobj, const struct lu_fid *lf, + const struct lu_name *lsname, struct md_object *tobj, + const struct lu_name *ltname, struct md_attr *ma); + + int (*mdo_link)(const struct lu_env *env, struct md_object *tgt_obj, + 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 no_name); + + int (*mdo_migrate)(const struct lu_env *env, struct md_object *pobj, + struct md_object *sobj, const struct lu_name *lname, + struct md_object *tobj, struct md_op_spec *spec, + struct md_attr *ma); }; 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); + const struct dt_device_param *(*mdo_dtconf_get)(const struct lu_env *e, + struct md_device *m); int (*mdo_statfs)(const struct lu_env *env, struct md_device *m, - cfs_kstatfs_t *sfs); - - int (*mdo_init_capa_ctxt)(const struct lu_env *env, struct md_device *m, - int mode, unsigned long timeout, __u32 alg, - struct lustre_capa_key *keys); - - int (*mdo_update_capa_key)(const struct lu_env *env, - struct md_device *m, - struct lustre_capa_key *key); + struct obd_statfs *sfs); int (*mdo_llog_ctxt_get)(const struct lu_env *env, struct md_device *m, int idx, void **h); 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 { - /** Sync the md layer*/ - MD_LOV_SYNC = (1 << 0), - /** Just for split, no need trans, for replay */ - MD_NO_TRANS = (1 << 1), - MD_LOV_CONFIG = (1 << 2), - /** Trigger quota recovery */ - MD_LOV_QUOTA = (1 << 3) -}; - -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; - /** device to call, upper layer normally */ - struct md_device *mu_upcall_dev; - /** upcall function */ - int (*mu_upcall)(const struct lu_env *env, struct md_device *md, - enum md_upcall_event ev, void *data); }; struct md_device { struct lu_device md_lu_dev; const struct md_device_operations *md_ops; - struct md_upcall md_upcall; }; -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; -} - -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); -} - -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); -} - -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; -} - struct md_object { struct lu_object mo_lu; const struct md_object_operations *mo_ops; const struct md_dir_operations *mo_dir_ops; }; -/** - * md-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; -}; - -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)); @@ -575,22 +375,6 @@ static inline struct md_object *lu2md(const struct lu_object *o) return container_of0(o, struct md_object, mo_lu); } -static inline struct md_object *md_object_next(const struct md_object *obj) -{ - return (obj ? lu2md(lu_object_next(&obj->mo_lu)) : NULL); -} - -static inline struct md_device *md_obj2dev(const struct md_object *o) -{ - LASSERT(o == NULL || IS_ERR(o) || lu_device_is_md(o->mo_lu.lo_dev)); - 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) -{ - return container_of0(s, struct md_site, ms_lu); -} - static inline int md_device_init(struct md_device *md, struct lu_device_type *t) { return lu_device_init(&md->md_lu_dev, t); @@ -610,22 +394,19 @@ static inline struct md_object *md_object_find_slice(const struct lu_env *env, /** md operations */ -static inline int mo_permission(const struct lu_env *env, - struct md_object *p, - struct md_object *c, - struct md_attr *at, - int mask) +static inline int mo_permission(const struct lu_env *env, struct md_object *p, + struct md_object *c, struct md_attr *at, + int mask) { - LASSERT(c->mo_ops->moo_permission); - return c->mo_ops->moo_permission(env, p, c, at, mask); + LASSERT(c->mo_ops->moo_permission); + return c->mo_ops->moo_permission(env, p, c, at, mask); } -static inline int mo_attr_get(const struct lu_env *env, - struct md_object *m, - struct md_attr *at) +static inline int mo_attr_get(const struct lu_env *env, struct md_object *m, + struct md_attr *at) { - LASSERT(m->mo_ops->moo_attr_get); - return m->mo_ops->moo_attr_get(env, m, at); + LASSERT(m->mo_ops->moo_attr_get); + return m->mo_ops->moo_attr_get(env, m, at); } static inline int mo_readlink(const struct lu_env *env, @@ -637,11 +418,28 @@ static inline int mo_readlink(const struct lu_env *env, } static inline int mo_changelog(const struct lu_env *env, - enum changelog_rec_type type, - int flags, struct md_object *m) + enum changelog_rec_type type, + enum changelog_rec_flags clf_flags, + struct md_device *m, const struct lu_fid *fid) { - LASSERT(m->mo_ops->moo_changelog); - return m->mo_ops->moo_changelog(env, type, flags, m); + struct lu_fid rootfid; + struct md_object *root; + int rc; + + rc = m->md_ops->mdo_root_get(env, m, &rootfid); + if (rc) + return rc; + + root = md_object_find_slice(env, m, &rootfid); + if (IS_ERR(root)) + RETURN(PTR_ERR(root)); + + LASSERT(root->mo_ops->moo_changelog); + rc = root->mo_ops->moo_changelog(env, type, clf_flags, m, fid); + + lu_object_put(env, &root->mo_lu); + + return rc; } static inline int mo_attr_set(const struct lu_env *env, @@ -687,71 +485,52 @@ 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_open(const struct lu_env *env, - struct md_object *m, - int flags) +static inline int mo_invalidate(const struct lu_env *env, struct md_object *m) { - LASSERT(m->mo_ops->moo_open); - return m->mo_ops->moo_open(env, m, flags); + LASSERT(m->mo_ops->moo_invalidate); + return m->mo_ops->moo_invalidate(env, m); } -static inline int mo_close(const struct lu_env *env, - struct md_object *m, - struct md_attr *ma, - int mode) +static inline int mo_layout_change(const struct lu_env *env, + struct md_object *m, + struct md_layout_change *layout) { - LASSERT(m->mo_ops->moo_close); - return m->mo_ops->moo_close(env, m, ma, mode); + /* need instantiate objects which in the access range */ + LASSERT(m->mo_ops->moo_layout_change); + return m->mo_ops->moo_layout_change(env, m, layout); } -static inline int mo_readpage(const struct lu_env *env, - struct md_object *m, - const struct lu_rdpg *rdpg) +static inline int mo_swap_layouts(const struct lu_env *env, + struct md_object *o1, + struct md_object *o2, __u64 flags) { - LASSERT(m->mo_ops->moo_readpage); - return m->mo_ops->moo_readpage(env, m, rdpg); + 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_object_create(const struct lu_env *env, - struct md_object *m, - const struct md_op_spec *spc, - struct md_attr *at) +static inline int mo_open(const struct lu_env *env, struct md_object *m, + u64 open_flags, struct md_op_spec *spec) { - LASSERT(m->mo_ops->moo_object_create); - return m->mo_ops->moo_object_create(env, m, spc, at); + LASSERT(m->mo_ops->moo_open); + return m->mo_ops->moo_open(env, m, open_flags, spec); } -static inline int mo_ref_add(const struct lu_env *env, - struct md_object *m, - const struct md_attr *ma) +static inline int mo_close(const struct lu_env *env, struct md_object *m, + struct md_attr *ma, u64 open_flags) { - LASSERT(m->mo_ops->moo_ref_add); - return m->mo_ops->moo_ref_add(env, m, ma); + LASSERT(m->mo_ops->moo_close); + return m->mo_ops->moo_close(env, m, ma, open_flags); } -static inline int mo_ref_del(const struct lu_env *env, - struct md_object *m, - struct md_attr *ma) -{ - LASSERT(m->mo_ops->moo_ref_del); - return m->mo_ops->moo_ref_del(env, m, ma); -} - -static inline int mo_capa_get(const struct lu_env *env, +static inline int mo_readpage(const struct lu_env *env, struct md_object *m, - struct lustre_capa *c, - int renewal) -{ - LASSERT(m->mo_ops->moo_capa_get); - 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) + const struct lu_rdpg *rdpg) { - if (m->mo_ops->moo_path == NULL) - return -ENOSYS; - return m->mo_ops->moo_path(env, m, path, pathlen, recno, linkno); + LASSERT(m->mo_ops->moo_readpage); + return m->mo_ops->moo_readpage(env, m, rdpg); } static inline int mo_object_sync(const struct lu_env *env, struct md_object *m) @@ -760,21 +539,23 @@ static inline int mo_object_sync(const struct lu_env *env, struct md_object *m) return m->mo_ops->moo_object_sync(env, 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) +static inline int mo_object_lock(const struct lu_env *env, + struct md_object *m, + struct lustre_handle *lh, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy) { - LASSERT(m->mo_ops->moo_file_lock); - return m->mo_ops->moo_file_lock(env, m, lmm, extent, lockh); + LASSERT(m->mo_ops->moo_object_lock); + return m->mo_ops->moo_object_lock(env, m, lh, einfo, policy); } -static inline int mo_file_unlock(const struct lu_env *env, struct md_object *m, - struct lov_mds_md *lmm, - struct lustre_handle *lockh) +static inline int mo_object_unlock(const struct lu_env *env, + struct md_object *m, + struct ldlm_enqueue_info *einfo, + union ldlm_policy_data *policy) { - LASSERT(m->mo_ops->moo_file_unlock); - return m->mo_ops->moo_file_unlock(env, m, lmm, lockh); + LASSERT(m->mo_ops->moo_object_unlock); + return m->mo_ops->moo_object_unlock(env, m, einfo, policy); } static inline int mdo_lookup(const struct lu_env *env, @@ -803,8 +584,8 @@ 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, @@ -831,13 +612,25 @@ static inline int mdo_rename(const struct lu_env *env, ma); } +static inline int mdo_migrate(const struct lu_env *env, + struct md_object *pobj, + struct md_object *sobj, + const struct lu_name *lname, + struct md_object *tobj, + struct md_op_spec *spec, + struct md_attr *ma) +{ + LASSERT(pobj->mo_dir_ops->mdo_migrate); + return pobj->mo_dir_ops->mdo_migrate(env, pobj, sobj, lname, tobj, spec, + ma); +} + static inline int mdo_is_subdir(const struct lu_env *env, - struct md_object *mo, - const struct lu_fid *fid, - struct lu_fid *sfid) + struct md_object *mo, + const struct lu_fid *fid) { - LASSERT(mo->mo_dir_ops->mdo_is_subdir); - return mo->mo_dir_ops->mdo_is_subdir(env, mo, fid, sfid); + LASSERT(mo->mo_dir_ops->mdo_is_subdir); + return mo->mo_dir_ops->mdo_is_subdir(env, mo, fid); } static inline int mdo_link(const struct lu_env *env, @@ -851,107 +644,79 @@ 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(c->mo_dir_ops->mdo_unlink); - return c->mo_dir_ops->mdo_unlink(env, p, c, lname, ma); + 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) +static inline int mdo_statfs(const struct lu_env *env, + struct md_device *m, + struct obd_statfs *sfs) { - LASSERT(c->mo_dir_ops->mdo_lum_lmm_cmp); - return c->mo_dir_ops->mdo_lum_lmm_cmp(env, c, spec, ma); + LASSERT(m->md_ops->mdo_statfs); + return m->md_ops->mdo_statfs(env, m, sfs); } -static inline int mdo_name_insert(const struct lu_env *env, - struct md_object *p, - const struct lu_name *lname, - const struct lu_fid *f, - const struct md_attr *ma) -{ - LASSERT(p->mo_dir_ops->mdo_name_insert); - return p->mo_dir_ops->mdo_name_insert(env, p, lname, f, ma); -} +struct dt_device; -static inline int mdo_name_remove(const struct lu_env *env, - struct md_object *p, - const struct lu_name *lname, - const struct md_attr *ma) -{ - LASSERT(p->mo_dir_ops->mdo_name_remove); - return p->mo_dir_ops->mdo_name_remove(env, p, lname, ma); -} +void lustre_som_swab(struct lustre_som_attrs *attrs); +int lustre_buf2hsm(void *buf, int rc, struct md_hsm *mh); +void lustre_hsm2buf(void *buf, const struct md_hsm *mh); -static inline int mdo_rename_tgt(const struct lu_env *env, - struct md_object *p, - struct md_object *t, - const struct lu_fid *lf, - const struct lu_name *lname, - struct md_attr *ma) -{ - if (t) { - LASSERT(t->mo_dir_ops->mdo_rename_tgt); - return t->mo_dir_ops->mdo_rename_tgt(env, p, t, lf, lname, ma); - } else { - LASSERT(p->mo_dir_ops->mdo_rename_tgt); - return p->mo_dir_ops->mdo_rename_tgt(env, p, t, lf, lname, ma); - } -} +enum { + UCRED_INVALID = -1, + UCRED_INIT = 0, + UCRED_OLD = 1, + UCRED_NEW = 2, +}; -struct dt_device; -/** - * Structure to hold object information. This is used to create object - * \pre llod_dir exist - */ -struct lu_local_obj_desc { - const char *llod_dir; - const char *llod_name; - __u32 llod_oid; - int llod_is_index; - const struct dt_index_features *llod_feat; - cfs_list_t llod_linkage; +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; + struct group_info *uc_ginfo; + struct md_identity *uc_identity; + char uc_jobid[LUSTRE_JOBID_SIZE]; + lnet_nid_t uc_nid; + bool uc_enable_audit; }; -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); +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 */