-/* -*- 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.
* 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, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/*
* super-class definitions.
*/
-#include <lu_object.h>
+#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,
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;
- struct group_info *mu_ginfo;
- struct md_identity *mu_identity;
+ __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;
};
-#define MD_CAPAINFO_MAX 5
+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 {
- const struct lu_fid *mc_fid[MD_CAPAINFO_MAX];
+ __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.
*
*/
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_FLAGS = (1 << 3),
MA_LMV = (1 << 4),
MA_ACL_DEF = (1 << 5),
- MA_LOV_DEF = (1 << 6)
+ MA_LOV_DEF = (1 << 6),
+ MA_LAY_GEN = (1 << 7),
+ MA_HSM = (1 << 8),
+ MA_SOM = (1 << 9),
+ MA_PFID = (1 << 10)
};
typedef enum {
MDT_PDO_LOCK = (1 << 1)
} mdl_type_t;
+struct md_hsm {
+ __u32 mh_flags;
+ __u32 mh_archive_number;
+};
+
+#define IOEPOCH_INVAL 0
+
+struct md_som_data {
+ __u64 msd_ioepoch;
+ __u64 msd_size;
+ __u64 msd_blocks;
+ __u64 msd_mountid;
+};
+
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;
- 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_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;
};
/** Additional parameters for create */
struct md_spec_reg {
/** lov objs exist already */
const struct lu_fid *fid;
- int no_lov_create;
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. */
- __u32 sp_cr_flags;
+ __u64 sp_cr_flags;
/** Should mdd do lookup sanity check or not. */
int sp_cr_lookup;
/** Check for split */
int sp_ck_split;
+
+ /** to create directory */
+ const struct dt_index_features *sp_feat;
};
/**
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,
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 *);
+ 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);
};
/**
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,
int *md_size, int *cookie_size);
int (*mdo_statfs)(const struct lu_env *env, struct md_device *m,
- struct kstatfs *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,
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*/
+ /** 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)
+ 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 */
- struct rw_semaphore mu_upcall_sem;
+ 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);
+ enum md_upcall_event ev, void *data);
};
struct md_device {
- struct lu_device md_lu_dev;
+ struct lu_device md_lu_dev;
const struct md_device_operations *md_ops;
- struct md_upcall md_upcall;
+ struct md_upcall md_upcall;
};
static inline void md_upcall_init(struct md_device *m, void *upcl)
{
- init_rwsem(&m->md_upcall.mu_upcall_sem);
+ 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)
{
- down_write(&m->md_upcall.mu_upcall_sem);
+ cfs_down_write(&m->md_upcall.mu_upcall_sem);
m->md_upcall.mu_upcall_dev = up;
- up_write(&m->md_upcall.mu_upcall_sem);
+ cfs_up_write(&m->md_upcall.mu_upcall_sem);
}
static inline void md_upcall_fini(struct md_device *m)
{
- down_write(&m->md_upcall.mu_upcall_sem);
+ cfs_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);
+ 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)
+ enum md_upcall_event ev, void *data)
{
int rc = 0;
- down_read(&m->md_upcall.mu_upcall_sem);
+ 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);
+ m->md_upcall.mu_upcall_dev,
+ ev, data);
}
- up_read(&m->md_upcall.mu_upcall_sem);
+ cfs_up_read(&m->md_upcall.mu_upcall_sem);
return rc;
}
struct md_object {
- struct lu_object mo_lu;
+ struct lu_object mo_lu;
const struct md_object_operations *mo_ops;
const struct md_dir_operations *mo_dir_ops;
};
static inline struct md_device *lu2md_dev(const struct lu_device *d)
{
- LASSERT(lu_device_is_md(d));
+ LASSERT(IS_ERR(d) || lu_device_is_md(d));
return container_of0(d, struct md_device, md_lu_dev);
}
static inline struct md_object *lu2md(const struct lu_object *o)
{
- LASSERT(lu_device_is_md(o->lo_dev));
+ LASSERT(o == NULL || IS_ERR(o) || lu_device_is_md(o->lo_dev));
return container_of0(o, struct md_object, mo_lu);
}
static inline struct md_device *md_obj2dev(const struct md_object *o)
{
- LASSERT(lu_device_is_md(o->mo_lu.lo_dev));
+ 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 int md_device_init(struct md_device *md, struct lu_device_type *t)
{
- return lu_device_init(&md->md_lu_dev, t);
+ return lu_device_init(&md->md_lu_dev, t);
}
static inline void md_device_fini(struct md_device *md)
{
- lu_device_fini(&md->md_lu_dev);
+ lu_device_fini(&md->md_lu_dev);
}
static inline struct md_object *md_object_find_slice(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)
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,
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 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_file_lock);
+ return m->mo_ops->moo_file_lock(env, m, lmm, extent, lockh);
+}
+
+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_file_unlock);
+ return m->mo_ops->moo_file_unlock(env, m, lmm, lockh);
+}
+
static inline int mdo_lookup(const struct lu_env *env,
struct md_object *p,
const struct lu_name *lname,
return c->mo_dir_ops->mdo_unlink(env, p, c, lname, ma);
}
+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_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,
struct md_object *p,
const struct lu_name *lname,
}
}
-/** @} md */
+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 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);
+
+/** @} md */
#endif /* _LINUX_MD_OBJECT_H */