*
* 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, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
extern const struct dt_index_features dt_directory_features;
extern const struct dt_index_features dt_otable_features;
-extern const struct dt_index_features dt_lfsck_orphan_features;
-extern const struct dt_index_features dt_lfsck_features;
+extern const struct dt_index_features dt_lfsck_layout_orphan_features;
+extern const struct dt_index_features dt_lfsck_layout_dangling_features;
+extern const struct dt_index_features dt_lfsck_namespace_features;
/* index features supported by the accounting objects */
extern const struct dt_index_features dt_acct_features;
* \retval 0 on success
* \retval negative negated errno on error
*/
- int (*do_object_sync)(const struct lu_env *env,
- struct dt_object *obj,
- __u64 start,
- __u64 end);
+ int (*do_object_sync)(const struct lu_env *env, struct dt_object *obj,
+ __u64 start, __u64 end);
/**
* Lock object.
* \retval negative negated errno on error
*/
int (*do_invalidate)(const struct lu_env *env, struct dt_object *dt);
+
+ /**
+ * Declare intention to instaintiate extended layout component.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt DT object
+ * \param[in] layout data structure to describe the changes to
+ * the DT object's layout
+ * \param[in] buf buffer containing client's lovea or empty
+ *
+ * \retval 0 success
+ * \retval -ne error code
+ */
+ int (*do_declare_layout_change)(const struct lu_env *env,
+ struct dt_object *dt,
+ struct layout_intent *layout,
+ const struct lu_buf *buf,
+ struct thandle *th);
+
+ /**
+ * Client is trying to write to un-instantiated layout component.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt DT object
+ * \param[in] layout data structure to describe the changes to
+ * the DT object's layout
+ * \param[in] buf buffer containing client's lovea or empty
+ *
+ * \retval 0 success
+ * \retval -ne error code
+ */
+ int (*do_layout_change)(const struct lu_env *env, struct dt_object *dt,
+ struct layout_intent *layout,
+ const struct lu_buf *buf, struct thandle *th);
+};
+
+enum dt_bufs_type {
+ DT_BUFS_TYPE_READ = 0x0000,
+ DT_BUFS_TYPE_WRITE = 0x0001,
+ DT_BUFS_TYPE_READAHEAD = 0x0002,
+ DT_BUFS_TYPE_LOCAL = 0x0004,
};
/**
loff_t pos,
ssize_t len,
struct niobuf_local *lb,
- int rw);
+ enum dt_bufs_type rw);
/**
* Release reference granted by ->dbo_bufs_get().
* single-threaded start-up shut-down procedures.
*/
struct list_head dd_txn_callbacks;
- unsigned int dd_record_fid_accessed:1;
+ unsigned int dd_record_fid_accessed:1,
+ dd_rdonly:1;
};
int dt_device_init(struct dt_device *dev, struct lu_device_type *t);
unsigned int th_sync:1,
/* local transation, no need to inform other layers */
th_local:1,
- /* Whether we need wait the transaction to be submitted */
+ /* Whether we need wait the transaction to be submitted
+ * (send to remote target) */
th_wait_submit:1,
- /* complex transaction which will track updates on all targets */
+ /* complex transaction which will track updates on all targets,
+ * including OSTs */
th_complex:1;
};
return NULL;
}
+static inline void dt_object_put(const struct lu_env *env,
+ struct dt_object *dto)
+{
+ lu_object_put(env, &dto->do_lu);
+}
+
+static inline void dt_object_put_nocache(const struct lu_env *env,
+ struct dt_object *dto)
+{
+ lu_object_put_nocache(env, &dto->do_lu);
+}
+
int local_oid_storage_init(const struct lu_env *env, struct dt_device *dev,
const struct lu_fid *first_fid,
struct local_oid_storage **los);
struct dt_object *o,
struct lu_attr *attr, struct dt_object_format *dof,
struct thandle *th);
+struct dt_object *local_file_find(const struct lu_env *env,
+ struct local_oid_storage *los,
+ struct dt_object *parent,
+ const char *name);
struct dt_object *local_file_find_or_create(const struct lu_env *env,
struct local_oid_storage *los,
struct dt_object *parent,
static inline int dt_bufs_get(const struct lu_env *env, struct dt_object *d,
struct niobuf_remote *rnb,
- struct niobuf_local *lnb, int rw)
+ struct niobuf_local *lnb, enum dt_bufs_type rw)
{
LASSERT(d);
LASSERT(d->do_body_ops);
return ret;
}
+static inline int dt_declare_layout_change(const struct lu_env *env,
+ struct dt_object *o,
+ struct layout_intent *layout,
+ const struct lu_buf *buf,
+ struct thandle *th)
+{
+ LASSERT(o);
+ LASSERT(o->do_ops);
+ LASSERT(o->do_ops->do_declare_layout_change);
+ return o->do_ops->do_declare_layout_change(env, o, layout, buf, th);
+}
+
+static inline int dt_layout_change(const struct lu_env *env,
+ struct dt_object *o,
+ struct layout_intent *layout,
+ const struct lu_buf *buf,
+ struct thandle *th)
+{
+ LASSERT(o);
+ LASSERT(o->do_ops);
+ LASSERT(o->do_ops->do_layout_change);
+ return o->do_ops->do_layout_change(env, o, layout, buf, th);
+}
+
struct dt_find_hint {
struct lu_fid *dfh_fid;
struct dt_device *dfh_dt;