*
* 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;
};
/**
#define TRANS_COMMIT_CB_MAGIC 0xa0a00a0a
#define MAX_COMMIT_CB_STR_LEN 32
-#define DCB_TRANS_NOT_COMMITTED 0x1
+#define DCB_TRANS_STOP 0x1
struct dt_txn_commit_cb {
struct list_head dcb_linkage;
dt_cb_t dcb_func;
*/
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.
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);
};
/**
__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);
};
/**
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 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)
-
struct dt_find_hint {
struct lu_fid *dfh_fid;
struct dt_device *dfh_dt;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff