*
* 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_STOP 0x1
struct dt_txn_commit_cb {
struct list_head dcb_linkage;
dt_cb_t dcb_func;
+ void *dcb_data;
__u32 dcb_magic;
+ __u32 dcb_flags;
char dcb_name[MAX_COMMIT_CB_STR_LEN];
};
*/
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);
};
/**
* at object's offset lnb_file_offset.
*
* The memory referenced by the descriptors can't change its purpose
- * until the complimentary ->dbo_bufs_put() is called. The caller should
+ * until the complementary ->dbo_bufs_put() is called. The caller should
* specify if the buffers are used to read or modify data so that OSD
* can decide how to initialize the buffers: bring all the data for
* reads or just bring partial buffers for write. Note: the method does
*/
int (*dbo_fiemap_get)(const struct lu_env *env,
struct dt_object *dt,
- struct ll_user_fiemap *fm);
+ struct fiemap *fm);
/**
* Declare intention to deallocate space from an object.
__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);
};
/**
DOIF_DRYRUN = 0x0008,
};
-/* otable based iteration needs to use the common DT interation APIs.
+/* otable based iteration needs to use the common DT iteration APIs.
* To initialize the iteration, it needs call dio_it::init() firstly.
* Here is how the otable based iteration should prepare arguments to
* call dt_it_ops::init().
return container_of0(o, struct dt_object, do_lu);
}
-struct thandle_update {
- /* In DNE, one transaction can be disassembled into
- * updates on several different MDTs, and these updates
- * will be attached to tu_remote_update_list per target.
- * Only single thread will access the list, no need lock
- */
- struct list_head tu_remote_update_list;
-
- /* sent after or before local transaction */
- unsigned int tu_sent_after_local_trans:1,
- tu_only_remote_trans:1;
-};
+static inline struct dt_object *dt_object_child(struct dt_object *o)
+{
+ return container_of0(lu_object_next(&(o)->do_lu),
+ struct dt_object, do_lu);
+}
/**
* This is the general purpose transaction handle.
/** the dt device on which the transactions are executed */
struct dt_device *th_dev;
- atomic_t th_refc;
- /* the size of transaction */
- int th_alloc_size;
-
+ /* point to the top thandle, XXX this is a bit hacky right now,
+ * but normal device trans callback triggered by the bottom
+ * device (OSP/OSD == sub thandle layer) needs to get the
+ * top_thandle (see dt_txn_hook_start/stop()), so we put the
+ * top thandle here for now, will fix it when we have better
+ * callback mechanism */
+ struct thandle *th_top;
/** context for this transaction, tag is LCT_TX_HANDLE */
struct lu_context th_ctx;
__s32 th_result;
/** whether we need sync commit */
- unsigned int th_sync:1;
-
+ unsigned int th_sync:1,
/* local transation, no need to inform other layers */
- unsigned int th_local:1;
-
- struct thandle_update *th_update;
+ th_local: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;
};
-static inline void thandle_get(struct thandle *thandle)
-{
- atomic_inc(&thandle->th_refc);
-}
-
-static inline void thandle_put(struct thandle *thandle)
-{
- if (atomic_dec_and_test(&thandle->th_refc)) {
- if (thandle->th_update != NULL)
- OBD_FREE_PTR(thandle->th_update);
- OBD_FREE(thandle, thandle->th_alloc_size);
- }
-}
/**
* Transaction call-backs.
*
dev->dd_lu_dev.ld_site->ls_top_dev, NULL);
}
+static inline struct dt_object *
+dt_object_locate(struct dt_object *dto, struct dt_device *dt_dev)
+{
+ struct lu_object *lo;
+
+ list_for_each_entry(lo, &dto->do_lu.lo_header->loh_layers, lo_linkage) {
+ if (lo->lo_dev == &dt_dev->dd_lu_dev)
+ return container_of(lo, struct dt_object, do_lu);
+ }
+ return NULL;
+}
+
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);
return d->do_body_ops->dbo_read_prep(env, d, lnb, n);
}
+static inline int dt_declare_write(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf, loff_t pos,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_body_ops);
+ LASSERT(dt->do_body_ops->dbo_declare_write);
+ return dt->do_body_ops->dbo_declare_write(env, dt, buf, pos, th);
+}
+
+static inline ssize_t dt_write(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, loff_t *pos,
+ struct thandle *th, int rq)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_body_ops);
+ LASSERT(dt->do_body_ops->dbo_write);
+ return dt->do_body_ops->dbo_write(env, dt, buf, pos, th, rq);
+}
+
static inline int dt_declare_punch(const struct lu_env *env,
struct dt_object *dt, __u64 start,
__u64 end, struct thandle *th)
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 ll_user_fiemap *fm)
+ struct fiemap *fm)
{
LASSERT(d);
if (d->do_body_ops == NULL)
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