unsigned int mod_credits;
};
+/* Changelog flags */
+/** changelog is recording */
+#define CLM_ON 0x00001
+/** internal error prevented changelogs from starting */
+#define CLM_ERR 0x00002
+/* Marker flags */
+/** changelogs turned on */
+#define CLM_START 0x10000
+/** changelogs turned off */
+#define CLM_FINI 0x20000
+/** some changelog records purged */
+#define CLM_PURGE 0x40000
+
+struct mdd_changelog {
+ spinlock_t mc_lock; /* for index */
+ cfs_waitq_t mc_waitq;
+ int mc_flags;
+ int mc_mask;
+ __u64 mc_index;
+ __u64 mc_starttime;
+};
+
struct mdd_device {
struct md_device mdd_md_dev;
struct dt_device *mdd_child;
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 {
struct md_object mod_obj;
/* open count */
- __u32 mod_count;
- __u32 mod_valid;
- unsigned long mod_flags;
- struct dynlock mod_pdlock;
+ __u32 mod_count;
+ __u32 mod_valid;
+ __u64 mod_cltime;
+ unsigned long mod_flags;
+ struct dynlock mod_pdlock;
#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;
- struct md_attr mti_ma;
struct lu_attr mti_la_for_fix;
+ struct md_attr mti_ma;
struct obd_info mti_oi;
char mti_orph_key[NAME_MAX + 1];
struct obd_trans_info mti_oti;
struct lu_buf mti_buf;
+ struct lu_buf mti_big_buf; /* biggish persistent buf */
+ struct lu_name mti_name;
struct obdo mti_oa;
char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
- struct lu_fid mti_fid2; /* used for be & cpu converting */
struct lu_fid_pack mti_pack;
struct dt_allocation_hint mti_hint;
struct lov_mds_md *mti_max_lmm;
struct lustre_cfg *cfg);
int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
struct lustre_cfg *lcfg);
+int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
+ const struct lu_buf *buf, const char *name,
+ int fl, struct thandle *handle);
int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
const struct lu_buf *buf, const char *name, int fl,
struct thandle *txn);
void *md, int *md_size, const char *name);
int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
void *md, int *md_size, const char *name);
+int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
struct lu_attr *la, struct lustre_capa *capa);
int mdd_attr_set_internal(const struct lu_env *env,
int needacl);
int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
struct md_attr *ma);
+
/* mdd_lock.c */
void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
enum mdd_object_role role);
int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
struct md_attr *ma, struct thandle *th);
int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
- struct mdd_object *child, struct md_attr *ma,
- struct thandle *handle, const struct md_op_spec *spec);
+ const struct lu_name *lname, struct mdd_object *child,
+ struct md_attr *ma, struct thandle *handle,
+ const struct md_op_spec *spec);
int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
const struct lu_name *lname, struct mdd_object *src_obj);
+int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
+int mdd_lookup(const struct lu_env *env,
+ struct md_object *pobj, const struct lu_name *lname,
+ struct lu_fid* fid, struct md_op_spec *spec);
+struct lu_buf *mdd_links_get(const struct lu_env *env,
+ struct mdd_object *mdd_obj);
+void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
+ struct lu_name *lname, struct lu_fid *pfid);
+
/* mdd_lov.c */
int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *mdd_cobj, struct md_attr *ma);
void mdd_lprocfs_time_end(const struct lu_env *env,
struct mdd_device *mdd, int op);
+/* mdd_object.c */
int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
+struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
+int mdd_buf_grow(const struct lu_env *env, ssize_t len);
+void mdd_buf_put(struct lu_buf *buf);
extern const struct md_dir_operations mdd_dir_ops;
extern const struct md_object_operations mdd_obj_ops;
+int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
+extern struct lu_context_key mdd_thread_key;
+extern const struct lu_device_operations mdd_lu_ops;
+
+struct mdd_object *mdd_object_find(const struct lu_env *env,
+ struct mdd_device *d,
+ const struct lu_fid *f);
+
/* mdd_quota.c*/
#ifdef HAVE_QUOTA_SUPPORT
int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
struct lu_object *mdd_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct lu_device *d);
-
-/* mdd_object.c */
-int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
-extern struct lu_context_key mdd_thread_key;
-extern const struct lu_device_operations mdd_lu_ops;
-
-struct mdd_object *mdd_object_find(const struct lu_env *env,
- struct mdd_device *d,
- const struct lu_fid *f);
+struct llog_changelog_rec;
+int mdd_changelog_llog_write(struct mdd_device *mdd,
+ struct llog_changelog_rec *rec,
+ struct thandle *handle);
+int mdd_changelog_llog_cancel(struct mdd_device *mdd, long long endrec);
+int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
/* mdd_permission.c */
#define mdd_cap_t(x) (x)
static inline int lu_device_is_mdd(struct lu_device *d)
{
- return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
+ return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
}
static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
{
- LASSERT(lu_device_is_mdd(d));
- return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
+ LASSERT(lu_device_is_mdd(d));
+ return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
}
static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
{
- return (&d->mdd_md_dev.md_lu_dev);
+ return (&d->mdd_md_dev.md_lu_dev);
}
static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
{
- LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
- return container_of0(o, struct mdd_object, mod_obj.mo_lu);
+ LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
+ return container_of0(o, struct mdd_object, mod_obj.mo_lu);
}
static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
return __mdd_permission_internal(env, obj, la, mask, role);
}
+static inline int mdo_data_get(const struct lu_env *env,
+ struct mdd_object *obj,
+ void **data)
+{
+ struct dt_object *next = mdd_object_child(obj);
+ next->do_ops->do_data_get(env, next, data);
+ return 0;
+}
+
/* mdd inline func for calling osd_dt_object ops */
static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
struct lu_attr *la, struct lustre_capa *capa)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff