#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.
struct md_object;
struct obd_export;
-struct md_quota {
- struct obd_export *mq_exp;
-};
-
-struct md_quota *md_quota(const struct lu_env *env);
-
/** metadata attributes */
enum ma_valid {
MA_INODE = (1 << 0),
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_LMV_DEF = (1 << 11)
+ MA_HSM = (1 << 7),
+ MA_SOM = (1 << 8),
+ MA_PFID = (1 << 9),
+ MA_LMV_DEF = (1 << 10)
};
typedef enum {
struct lov_mds_md *ma_lmm;
union lmv_mds_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;
};
/** Additional parameters for create */
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;
/** 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_rm_entry:1, /* only remove name entry */
+ sp_permitted:1; /* do not check permission */
/** Current lock mode for parent dir where create is performing. */
mdl_mode_t sp_cr_mode;
const struct dt_index_features *sp_feat;
};
+union ldlm_policy_data;
/**
* Operations implemented for each md object (both directory and leaf).
*/
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_object_sync)(const struct lu_env *, struct md_object *);
- 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);
+ 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);
};
/**
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,
- 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_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_attr *ma);
};
struct md_device_operations {
unsigned int cmd, int len, void *data);
};
-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 */
- struct rw_semaphore 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)
-{
- 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);
- 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)
-{
- 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;
- 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 {
struct lu_object mo_lu;
const struct md_object_operations *mo_ops;
const struct md_dir_operations *mo_dir_ops;
};
-/**
- * seq-server site.
- */
-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;
-};
+/* Mark the object to be dead, and can not be accessed anymore.
+ * XXX, right now, it will only be used for striped directory to
+ * mark the slave stripes dead, when deleting master object. It will be
+ * stored in slave LMV EA (see lod_mark_dead_object), which is only
+ * temporary, and will be removed later when we have proper way to mark
+ * the dead object. */
+#define LUSTRE_SLAVE_DEAD_FL 0x80000000
static inline struct md_device *lu2md_dev(const struct lu_device *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 int md_device_init(struct md_device *md, struct lu_device_type *t)
{
return lu_device_init(&md->md_lu_dev, t);
return m->mo_ops->moo_readpage(env, m, rdpg);
}
-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)
-{
- LASSERT(m->mo_ops->moo_object_create);
- return m->mo_ops->moo_object_create(env, m, spc, at);
-}
-
-static inline int mo_ref_add(const struct lu_env *env,
- struct md_object *m,
- const struct md_attr *ma)
-{
- LASSERT(m->mo_ops->moo_ref_add);
- return m->mo_ops->moo_ref_add(env, m, ma);
-}
-
-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,
struct md_object *m,
struct lustre_capa *c,
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 mo_object_lock(const struct lu_env *env,
struct md_object *m,
struct lustre_handle *lh,
struct ldlm_enqueue_info *einfo,
- void *policy)
+ union ldlm_policy_data *policy)
{
LASSERT(m->mo_ops->moo_object_lock);
return m->mo_ops->moo_object_lock(env, m, lh, einfo, policy);
}
+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_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_object *p,
const struct lu_name *lname,
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_attr *ma)
+{
+ LASSERT(pobj->mo_dir_ops->mdo_migrate);
+ return pobj->mo_dir_ops->mdo_migrate(env, pobj, sobj, lname, tobj, ma);
+}
+
static inline int mdo_is_subdir(const struct lu_env *env,
struct md_object *mo,
const struct lu_fid *fid,
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_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,
- 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);
-}
-
-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);
-}
-
-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);
- }
-}
-
/**
* Used in MDD/OUT layer for object lock rule
**/
};
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;
-};
int lustre_buf2som(void *buf, int rc, struct md_som_data *msd);
int lustre_buf2hsm(void *buf, int rc, 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;
- struct group_info *uc_ginfo;
- struct md_identity *uc_identity;
+ __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];
};
struct lu_ucred *lu_ucred(const struct lu_env *env);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff