/*
* 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/
#ifndef _MDD_INTERNAL_H
#define _MDD_INTERNAL_H
-#include <asm/semaphore.h>
-
#include <lustre_acl.h>
#include <lustre_eacl.h>
#include <obd.h>
#include <dt_object.h>
#include <linux/sched.h>
#include <linux/capability.h>
-#include <linux/dynlocks.h>
#ifdef HAVE_QUOTA_SUPPORT
# include <lustre_quota.h>
#endif
* are already protected by ldlm lock */
#define MDD_DISABLE_PDO_LOCK 1
-enum mdd_txn_op {
- MDD_TXN_OBJECT_DESTROY_OP = 0,
- MDD_TXN_OBJECT_CREATE_OP,
- MDD_TXN_ATTR_SET_OP,
- MDD_TXN_XATTR_SET_OP,
- MDD_TXN_INDEX_INSERT_OP,
- MDD_TXN_INDEX_DELETE_OP,
- MDD_TXN_LINK_OP,
- MDD_TXN_UNLINK_OP,
- MDD_TXN_RENAME_OP,
- MDD_TXN_RENAME_TGT_OP,
- MDD_TXN_CREATE_DATA_OP,
- MDD_TXN_MKDIR_OP,
- MDD_TXN_LAST_OP
-};
-
-struct mdd_txn_op_descr {
- enum mdd_txn_op mod_op;
- unsigned int mod_credits;
-};
-
/* Changelog flags */
/** changelog is recording */
#define CLM_ON 0x00001
struct mdd_changelog {
cfs_spinlock_t mc_lock; /* for index */
- cfs_waitq_t mc_waitq;
int mc_flags;
int mc_mask;
__u64 mc_index;
struct obd_device *mdd_obd_dev;
struct lu_fid mdd_root_fid;
struct dt_device_param mdd_dt_conf;
- struct dt_object *mdd_orphans;
+ struct dt_object *mdd_orphans; /* PENDING directory */
+ struct dt_object *mdd_capa;
struct dt_txn_callback mdd_txn_cb;
cfs_proc_dir_entry_t *mdd_proc_entry;
struct lprocfs_stats *mdd_stats;
- struct mdd_txn_op_descr mdd_tod[MDD_TXN_LAST_OP];
struct mdd_changelog mdd_cl;
unsigned long mdd_atime_diff;
struct mdd_object *mdd_dot_lustre;
APPEND_OBJ = 1 << 1,
IMMUTE_OBJ = 1 << 2,
ORPHAN_OBJ = 1 << 3,
- MNLINK_OBJ = 1 << 4
};
-#define LUSTRE_APPEND_FL LDISKFS_APPEND_FL
-#define LUSTRE_IMMUTABLE_FL LDISKFS_IMMUTABLE_FL
-#define LUSTRE_DIRSYNC_FL LDISKFS_DIRSYNC_FL
-
enum mdd_object_role {
MOR_SRC_PARENT,
MOR_SRC_CHILD,
__u32 mod_valid;
__u64 mod_cltime;
unsigned long mod_flags;
+#ifndef MDD_DISABLE_PDO_LOCK
struct dynlock mod_pdlock;
+#endif
#ifdef CONFIG_LOCKDEP
/* "dep_map" name is assumed by lockdep.h macros. */
struct lockdep_map dep_map;
};
struct mdd_thread_info {
- struct txn_param mti_param;
struct lu_fid mti_fid;
struct lu_fid mti_fid2; /* used for be & cpu converting */
struct lu_attr mti_la;
extern const struct dt_index_features orph_index_features;
+struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
struct mdd_device *mdd);
int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *parent, struct mdd_object *child,
struct lov_mds_md **lmm, int *lmm_size,
- const struct md_op_spec *spec, struct lu_attr *la);
+ const struct md_op_spec *spec, struct md_attr *ma);
int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
+int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
+ struct thandle *);
void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
struct lov_mds_md *lmm, int lmm_size,
const struct md_op_spec *spec);
+int mdd_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 mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
+ struct lov_mds_md *lmm, struct lustre_handle *lockh);
+int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
+ const struct md_op_spec *spec, struct md_attr *ma);
int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
void *md, int *md_size, const char *name);
int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
struct lu_attr *attr,
struct thandle *handle,
int needacl);
+int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
+ struct md_attr *ma, struct thandle *handle);
int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
- struct md_attr *ma);
+ struct md_attr *ma, struct thandle *handle);
int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
struct md_attr *ma);
+int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
+ struct md_attr *ma);
int mdd_attr_get_internal_locked(const struct lu_env *env,
struct mdd_object *mdd_obj,
struct md_attr *ma);
void mdd_pdlock_init(struct mdd_object *obj);
unsigned long mdd_name2hash(const char *name);
-struct dynlock_handle *mdd_pdo_write_lock(const struct lu_env *env,
- struct mdd_object *obj,
- const char *name,
- enum mdd_object_role role);
-struct dynlock_handle *mdd_pdo_read_lock(const struct lu_env *env,
- struct mdd_object *obj,
- const char *name,
- enum mdd_object_role role);
+void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
+ const char *name, enum mdd_object_role role);
+void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
+ const char *name, enum mdd_object_role role);
void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
- struct dynlock_handle *dlh);
+ void *dlh);
void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
- struct dynlock_handle *dlh);
+ void *dlh);
/* mdd_dir.c */
int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
const struct lu_fid *fid, struct lu_fid *sfid);
-void __mdd_ref_add(const struct lu_env *env, struct mdd_object *obj,
- struct thandle *handle);
-void __mdd_ref_del(const struct lu_env *env, struct mdd_object *obj,
- struct thandle *handle, int is_dot);
int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
struct mdd_object *cobj, int check_perm, int check_nlink);
int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
struct lu_name *lname, struct lu_fid *pfid);
/* mdd_lov.c */
+int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
+ struct md_attr *ma, struct thandle *handle);
int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *mdd_cobj, struct md_attr *ma);
int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
struct lov_mds_md *lmm, int lmm_size,
struct llog_cookie *logcookies);
+int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
+ struct mdd_object *obj, struct lu_attr *la,
+ struct lov_mds_md *lmm, int lmm_size,
+ struct llog_cookie *logcookies,
+ int log_unlink);
struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
struct thandle *);
int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
-int mdd_txn_init_credits(const struct lu_env *env, struct mdd_device *mdd);
+int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
+ struct thandle *);
+int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
+ struct thandle *);
/* mdd_lproc.c */
void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
int mdd_readpage(const struct lu_env *env, struct md_object *obj,
const struct lu_rdpg *rdpg);
-
+int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
+ int reclen, struct thandle *handle);
+int mdd_declare_changelog_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ const struct lu_name *fname,
+ struct thandle *handle);
+int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
+ int flags, struct md_object *obj);
+int mdd_declare_object_create_internal(const struct lu_env *env,
+ struct mdd_object *p,
+ struct mdd_object *c,
+ struct md_attr *ma,
+ struct thandle *handle,
+ const struct md_op_spec *spec);
/* mdd_quota.c*/
#ifdef HAVE_QUOTA_SUPPORT
int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
#endif
/* mdd_trans.c */
-void mdd_txn_param_build(const struct lu_env *env, struct mdd_device *mdd,
- enum mdd_txn_op);
-int mdd_log_txn_param_build(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op);
-int mdd_setattr_txn_param_build(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma, enum mdd_txn_op);
-
int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *obj, struct lu_attr *la);
lu_object_put(env, &o->mod_obj.mo_lu);
}
-struct thandle* mdd_trans_start(const struct lu_env *env,
- struct mdd_device *);
-
+struct thandle *mdd_trans_create(const struct lu_env *env,
+ struct mdd_device *mdd);
+int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
+ struct thandle *th);
void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
int rc, struct thandle *handle);
-
-int mdd_txn_start_cb(const struct lu_env *env, struct txn_param *param,
- void *cookie);
-
int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
void *cookie);
+int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
+ void *cookie);
-int mdd_txn_commit_cb(const struct lu_env *env, struct thandle *txn,
- void *cookie);
/* mdd_device.c */
struct lu_object *mdd_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct md_attr *ma);
int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
struct thandle *handle);
+int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
+ int is_dir, struct thandle *handle);
int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
struct lu_buf *buf, __u32 *mode, struct thandle *handle);
int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
return obj->mod_flags & APPEND_OBJ;
}
-static inline int mdd_is_mnlink(struct mdd_object *obj)
-{
- return obj->mod_flags & MNLINK_OBJ;
-}
-
static inline int mdd_object_exists(struct mdd_object *obj)
{
return lu_object_exists(mdd2lu_obj(obj));
if (!ci)
return BYPASS_CAPA;
for (i = 0; i < MD_CAPAINFO_MAX; i++)
- if (ci->mc_fid[i] && lu_fid_eq(ci->mc_fid[i], fid))
+ if (lu_fid_eq(&ci->mc_fid[i], fid))
return ci->mc_capa[i];
return NULL;
}
/* NB: in mdt_init0 */
if (!ci)
return;
- ci->mc_fid[offset] = fid;
+ ci->mc_fid[offset] = *fid;
ci->mc_capa[offset] = capa;
}
+static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
+{
+ return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
+}
+
#define MAX_ATIME_DIFF 60
enum {
return next->do_ops->do_attr_get(env, next, la, capa);
}
-static inline int mdo_attr_set(const struct lu_env *env, struct mdd_object *obj,
- const struct lu_attr *la, struct thandle *handle,
+static inline int mdo_declare_attr_set(const struct lu_env *env,
+ struct mdd_object *obj,
+ const struct lu_attr *la,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ return dt_declare_attr_set(env, next, la, handle);
+}
+
+static inline int mdo_attr_set(const struct lu_env *env,
+ struct mdd_object *obj,
+ const struct lu_attr *la,
+ struct thandle *handle,
struct lustre_capa *capa)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_attr_set(env, next, la, handle, capa);
}
return next->do_ops->do_xattr_get(env, next, buf, name, capa);
}
+static inline int mdo_declare_xattr_set(const struct lu_env *env,
+ struct mdd_object *obj,
+ const struct lu_buf *buf,
+ const char *name,
+ int fl, struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ return dt_declare_xattr_set(env, next, buf, name, fl, handle);
+}
+
static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
const struct lu_buf *buf, const char *name,
int fl, struct thandle *handle,
struct lustre_capa *capa)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
capa);
}
+static inline int mdo_declare_xattr_del(const struct lu_env *env,
+ struct mdd_object *obj,
+ const char *name,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ return dt_declare_xattr_del(env, next, name, handle);
+}
+
static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
const char *name, struct thandle *handle,
struct lustre_capa *capa)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_xattr_del(env, next, name, handle, capa);
}
struct lu_buf *buf, struct lustre_capa *capa)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_xattr_list(env, next, buf, capa);
}
return next->do_ops->do_index_try(env, next, feat);
}
-static inline void mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
- struct thandle *handle)
+static inline
+int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
+ const struct lu_fid *fid, const char *name,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ int rc = 0;
+
+ /*
+ * if the object doesn't exist yet, then it's supposed to be created
+ * and declaration of the creation should be enough to insert ./..
+ */
+ if (mdd_object_exists(obj)) {
+ rc = -ENOTDIR;
+ if (dt_try_as_dir(env, next))
+ rc = dt_declare_insert(env, next,
+ (struct dt_rec *)fid,
+ (const struct dt_key *)name,
+ handle);
+ }
+
+ return rc;
+}
+
+static inline
+int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
+ const char *name, struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+
+ if (!dt_try_as_dir(env, next))
+ return -ENOTDIR;
+
+ return dt_declare_delete(env, next, (const struct dt_key *)name,
+ handle);
+}
+
+static inline int mdo_declare_ref_add(const struct lu_env *env,
+ struct mdd_object *obj,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ return dt_declare_ref_add(env, next, handle);
+}
+
+static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *handle)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_ref_add(env, next, handle);
}
-static inline void mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
- struct thandle *handle)
+static inline int mdo_declare_ref_del(const struct lu_env *env,
+ struct mdd_object *obj,
+ struct thandle *handle)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ return dt_declare_ref_del(env, next, handle);
+}
+
+static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return -ENOENT;
+ }
return next->do_ops->do_ref_del(env, next, handle);
}
static inline
+int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(o);
+ return next->do_ops->do_declare_create(env, next, attr, hint,
+ dof, handle);
+}
+
+static inline
int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
return next->do_ops->do_create(env, next, attr, hint, dof, handle);
}
+static inline
+int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(o);
+ return dt_declare_destroy(env, next, handle);
+}
+
+static inline
+int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
+ struct thandle *handle)
+{
+ struct dt_object *next = mdd_object_child(o);
+ return dt_destroy(env, next, handle);
+}
+
static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
struct mdd_object *obj,
struct lustre_capa *old,
__u64 opc)
{
struct dt_object *next = mdd_object_child(obj);
- LASSERT(mdd_object_exists(obj));
+ if (mdd_object_exists(obj) == 0) {
+ CERROR("%s: object "DFID" not found: rc = -2\n",
+ mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
+ return ERR_PTR(-ENOENT);
+ }
return next->do_ops->do_capa_get(env, next, old, opc);
}