-/* -*- 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.
*
* 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, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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.
* super-class definitions.
*/
#include <dt_object.h>
-#include <lvfs.h>
-
-/* LU-1051, temperary solution to reduce llog credits */
-#define DECLARE_LLOG_REWRITE 0
-#define DECLARE_LLOG_WRITE INT_MAX
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 {
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_big_lmm_used:1;
- 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,
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,
- struct lustre_capa_key *keys);
-
- int (*mdo_update_capa_key)(const struct lu_env *env,
- struct md_device *m,
- struct lustre_capa_key *key);
-
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));
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);
/** 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,
}
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,
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)
-{
- LASSERT(m->mo_ops->moo_close);
- return m->mo_ops->moo_close(env, m, ma, mode);
-}
-
-static inline int mo_readpage(const struct lu_env *env,
- struct md_object *m,
- const struct lu_rdpg *rdpg)
+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_readpage);
- return m->mo_ops->moo_readpage(env, m, rdpg);
+ /* 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_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_swap_layouts(const struct lu_env *env,
+ struct md_object *o1,
+ struct md_object *o2, __u64 flags)
{
- LASSERT(m->mo_ops->moo_object_create);
- return m->mo_ops->moo_object_create(env, m, spc, at);
+ 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_ref_add(const struct lu_env *env,
- struct md_object *m,
- const struct md_attr *ma)
+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_ref_add);
- return m->mo_ops->moo_ref_add(env, m, ma);
+ LASSERT(m->mo_ops->moo_open);
+ return m->mo_ops->moo_open(env, m, open_flags, spec);
}
-static inline int mo_ref_del(const struct lu_env *env,
- struct md_object *m,
- 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_del);
- return m->mo_ops->moo_ref_del(env, m, ma);
+ LASSERT(m->mo_ops->moo_close);
+ return m->mo_ops->moo_close(env, m, ma, open_flags);
}
-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)
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,
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,
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,
}
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 */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff