*
* 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, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
} mntopt_t;
struct dt_device_param {
- unsigned ddp_max_name_len;
- unsigned ddp_max_nlink;
- unsigned ddp_block_shift;
- mntopt_t ddp_mntopts;
- unsigned ddp_max_ea_size;
- int ddp_mount_type;
- unsigned long long ddp_maxbytes;
- /* percentage of available space to reserve for grant error margin */
- int ddp_grant_reserved;
- /* per-inode space consumption */
- short ddp_inodespace;
- /* per-fragment grant overhead to be used by client for grant
- * calculation */
- int ddp_grant_frag;
+ unsigned ddp_max_name_len;
+ unsigned ddp_max_nlink;
+ unsigned ddp_symlink_max;
+ mntopt_t ddp_mntopts;
+ unsigned ddp_max_ea_size;
+ unsigned ddp_mount_type;
+ unsigned long long ddp_maxbytes;
+ /* per-inode space consumption */
+ short ddp_inodespace;
+ /* maximum number of blocks in an extent */
+ unsigned ddp_max_extent_blks;
+ /* per-extent insertion overhead to be used by client for grant
+ * calculation */
+ unsigned ddp_extent_tax;
};
/**
*/
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;
/* index features supported by the quota slave indexes */
extern const struct dt_index_features dt_quota_slv_features;
+/* index features supported by the nodemap index */
+extern const struct dt_index_features dt_nodemap_features;
+
/**
* This is a general purpose dt allocation hint.
* It now contains the parent object.
* \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.
struct dt_object *dt,
struct ldlm_enqueue_info *einfo,
union ldlm_policy_data *policy);
+
+ /**
+ * Invalidate attribute cache.
+ *
+ * This method invalidate attribute cache of the object, which is on OSP
+ * only.
+ *
+ * \param[in] env execution envionment for this thread
+ * \param[in] dt object
+ *
+ * \retval 0 on success
+ * \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().
__u64 start,
__u64 end,
struct thandle *th);
+ /**
+ * Give advices on specified region in an object.
+ *
+ * This method is used to give advices about access pattern on an
+ * given region of the object. The disk filesystem understands
+ * the advices and tunes cache/read-ahead policies.
+ *
+ * \param[in] env execution environment for this thread
+ * \param[in] dt object
+ * \param[in] start the start of the region affected
+ * \param[in] end the end of the region affected
+ * \param[in] advice advice type
+ *
+ * \retval 0 on success
+ * \retval negative negated errno on error
+ */
+ int (*dbo_ladvise)(const struct lu_env *env,
+ struct dt_object *dt,
+ __u64 start,
+ __u64 end,
+ enum lu_ladvise_type advice);
};
/**
* 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 */
- th_wait_submit:1;
+ /* 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,
+ * 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 dt->do_body_ops->dbo_punch(env, dt, start, end, th);
}
+static inline int dt_ladvise(const struct lu_env *env, struct dt_object *dt,
+ __u64 start, __u64 end, int advice)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_body_ops);
+ LASSERT(dt->do_body_ops->dbo_ladvise);
+ return dt->do_body_ops->dbo_ladvise(env, dt, start, end, advice);
+}
+
static inline int dt_fiemap_get(const struct lu_env *env, struct dt_object *d,
struct fiemap *fm)
{
return dt->do_ops->do_xattr_list(env, dt, buf);
}
+static inline int dt_invalidate(const struct lu_env *env, struct dt_object *dt)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_invalidate);
+
+ return dt->do_ops->do_invalidate(env, dt);
+}
+
static inline int dt_declare_delete(const struct lu_env *env,
struct dt_object *dt,
const struct dt_key *key,
return ret;
}
-#define LU221_BAD_TIME (0x80000000U + 24 * 3600)
+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;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff