struct dt_it *it_next;
ENTRY;
- LASSERT(lo->ldo_stripenr > 0);
+ LASSERT(lo->ldo_dir_stripenr > 0);
next = lo->ldo_stripe[0];
LASSERT(next != NULL);
LASSERT(next->do_index_ops != NULL);
return (struct dt_it *)it;
}
-#define LOD_CHECK_STRIPED_IT(env, it, lo) \
-do { \
- LASSERT((it)->lit_obj != NULL); \
- LASSERT((it)->lit_it != NULL); \
- LASSERT((lo)->ldo_stripenr > 0); \
- LASSERT((it)->lit_stripe_index < (lo)->ldo_stripenr); \
+#define LOD_CHECK_STRIPED_IT(env, it, lo) \
+do { \
+ LASSERT((it)->lit_obj != NULL); \
+ LASSERT((it)->lit_it != NULL); \
+ LASSERT((lo)->ldo_dir_stripenr > 0); \
+ LASSERT((it)->lit_stripe_index < (lo)->ldo_dir_stripenr); \
} while (0)
/**
}
/* go to next stripe */
- if (it->lit_stripe_index + 1 >= lo->ldo_stripenr)
+ if (it->lit_stripe_index + 1 >= lo->ldo_dir_stripenr)
RETURN(1);
it->lit_stripe_index++;
if (rc != 0)
RETURN(rc);
- if (lo->ldo_stripenr > 0) {
+ if (lo->ldo_dir_stripenr > 0) {
int i;
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
if (dt_object_exists(lo->ldo_stripe[i]) == 0)
continue;
rc = lo->ldo_stripe[i]->do_ops->do_index_try(env,
return dt_attr_get(env, dt_object_child(dt), attr);
}
+int lod_obj_for_each_stripe(const struct lu_env *env, struct lod_object *lo,
+ struct thandle *th, lod_obj_stripe_cb_t cb,
+ struct lod_obj_stripe_cb_data *data)
+{
+ struct lod_layout_component *lod_comp;
+ int i, j, rc;
+ ENTRY;
+
+ LASSERT(lo->ldo_comp_cnt != 0 && lo->ldo_comp_entries != NULL);
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+
+ LASSERT(lod_comp->llc_stripenr > 0);
+ for (j = 0; j < lod_comp->llc_stripenr; j++) {
+ struct dt_object *dt = lod_comp->llc_stripe[j];
+
+ if (dt == NULL)
+ continue;
+ rc = cb(env, lo, dt, th, j, data);
+ if (rc != 0)
+ RETURN(rc);
+ }
+ }
+ RETURN(0);
+}
+
+static inline int
+lod_obj_stripe_attr_set_cb(const struct lu_env *env, struct lod_object *lo,
+ struct dt_object *dt, struct thandle *th,
+ int stripe_idx, struct lod_obj_stripe_cb_data *data)
+{
+ if (data->locd_declare)
+ return lod_sub_object_declare_attr_set(env, dt,
+ data->locd_attr, th);
+ else
+ return lod_sub_object_attr_set(env, dt, data->locd_attr, th);
+}
+
/**
* Implementation of dt_object_operations::do_declare_attr_set.
*
if (rc)
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (!lod_obj_is_striped(dt))
RETURN(0);
/*
* if object is striped declare changes on the stripes
*/
- LASSERT(lo->ldo_stripe);
- for (i = 0; i < lo->ldo_stripenr; i++) {
- if (lo->ldo_stripe[i] == NULL)
- continue;
- rc = lod_sub_object_declare_attr_set(env,
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ LASSERT(lo->ldo_stripe);
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
+ if (lo->ldo_stripe[i] == NULL)
+ continue;
+ rc = lod_sub_object_declare_attr_set(env,
lo->ldo_stripe[i], attr,
th);
- if (rc != 0)
- RETURN(rc);
+ if (rc != 0)
+ RETURN(rc);
+ }
+ } else {
+ struct lod_obj_stripe_cb_data data;
+
+ data.locd_attr = attr;
+ data.locd_declare = true;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ lod_obj_stripe_attr_set_cb, &data);
}
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE) &&
RETURN(rc);
}
- if (lo->ldo_stripenr == 0)
+ if (!lod_obj_is_striped(dt))
RETURN(0);
/*
* if object is striped, apply changes to all the stripes
*/
- LASSERT(lo->ldo_stripe);
- for (i = 0; i < lo->ldo_stripenr; i++) {
- if (unlikely(lo->ldo_stripe[i] == NULL))
- continue;
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ LASSERT(lo->ldo_stripe);
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
+ if (unlikely(lo->ldo_stripe[i] == NULL))
+ continue;
- if (S_ISDIR(dt->do_lu.lo_header->loh_attr) &&
- (dt_object_exists(lo->ldo_stripe[i]) == 0))
- continue;
+ if ((dt_object_exists(lo->ldo_stripe[i]) == 0))
+ continue;
- rc = lod_sub_object_attr_set(env, lo->ldo_stripe[i], attr, th);
- if (rc != 0)
- break;
+ rc = lod_sub_object_attr_set(env, lo->ldo_stripe[i],
+ attr, th);
+ if (rc != 0)
+ break;
+ }
+ } else {
+ struct lod_obj_stripe_cb_data data;
+
+ data.locd_attr = attr;
+ data.locd_declare = false;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ lod_obj_stripe_attr_set_cb, &data);
}
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE) &&
static int lod_xattr_get(const struct lu_env *env, struct dt_object *dt,
struct lu_buf *buf, const char *name)
{
- struct lod_thread_info *info = lod_env_info(env);
- struct lod_device *dev = lu2lod_dev(dt->do_lu.lo_dev);
- int rc, is_root;
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lod_device *dev = lu2lod_dev(dt->do_lu.lo_dev);
+ int is_root;
+ int rc;
ENTRY;
rc = dt_xattr_get(env, dt_object_child(dt), buf, name);
RETURN(rc);
/*
+ * XXX: Only used by lfsck
+ *
* lod returns default striping on the real root of the device
* this is like the root stores default striping for the whole
* filesystem. historically we've been using a different approach
ENTRY;
LASSERT(lo->ldo_dir_striped != 0);
- LASSERT(lo->ldo_stripenr > 0);
- stripe_count = lo->ldo_stripenr;
+ LASSERT(lo->ldo_dir_stripenr > 0);
+ stripe_count = lo->ldo_dir_stripenr;
/* Only store the LMV EA heahder on the disk. */
if (info->lti_ea_store_size < sizeof(*lmm1)) {
rc = lod_ea_store_resize(info, sizeof(*lmm1));
}
out:
lo->ldo_stripe = stripe;
- lo->ldo_stripenr = le32_to_cpu(lmv1->lmv_stripe_count);
- lo->ldo_stripes_allocated = le32_to_cpu(lmv1->lmv_stripe_count);
+ lo->ldo_dir_stripenr = le32_to_cpu(lmv1->lmv_stripe_count);
+ lo->ldo_dir_stripes_allocated = le32_to_cpu(lmv1->lmv_stripe_count);
if (rc != 0)
lod_object_free_striping(env, lo);
GOTO(out, rc = -EINVAL);
rec->rec_type = S_IFDIR;
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
struct dt_object *dto = lo->ldo_stripe[i];
char *stripe_name = info->lti_key;
struct lu_name *sname;
lo->ldo_dir_striped = 1;
lo->ldo_stripe = stripe;
- lo->ldo_stripenr = i;
- lo->ldo_stripes_allocated = stripe_count;
+ lo->ldo_dir_stripenr = i;
+ lo->ldo_dir_stripes_allocated = stripe_count;
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
GOTO(out_put, rc = -ENOSPC);
rc = lod_dir_declare_create_stripes(env, dt, attr, dof, th);
if (stripe[i] != NULL)
dt_object_put(env, stripe[i]);
OBD_FREE(stripe, sizeof(stripe[0]) * stripe_count);
- lo->ldo_stripenr = 0;
- lo->ldo_stripes_allocated = 0;
+ lo->ldo_dir_stripenr = 0;
+ lo->ldo_dir_stripes_allocated = 0;
lo->ldo_stripe = NULL;
}
rc = lod_verify_md_striping(d, lum);
if (rc != 0)
RETURN(rc);
+ } else if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ rc = lod_verify_striping(d, buf, false, 0);
+ if (rc != 0)
+ RETURN(rc);
}
rc = lod_sub_object_declare_xattr_set(env, next, buf, name, fl, th);
if (rc != 0)
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
RETURN(0);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
rc = lod_sub_object_declare_xattr_set(env, lo->ldo_stripe[i],
RETURN(rc);
}
+static int
+lod_obj_stripe_replace_parent_fid_cb(const struct lu_env *env,
+ struct lod_object *lo,
+ struct dt_object *dt, struct thandle *th,
+ int stripe_idx,
+ struct lod_obj_stripe_cb_data *data)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct dt_object *obj = &lo->ldo_obj;
+ struct lu_buf *buf = &info->lti_buf;
+ struct filter_fid *ff = buf->lb_buf;
+ int rc;
+
+ rc = dt_xattr_get(env, dt, buf, XATTR_NAME_FID);
+ if (rc < 0)
+ return 0;
+
+ fid_le_to_cpu(&ff->ff_parent, &ff->ff_parent);
+ ff->ff_parent.f_seq = lu_object_fid(&obj->do_lu)->f_seq;
+ ff->ff_parent.f_oid = lu_object_fid(&obj->do_lu)->f_oid;
+ fid_cpu_to_le(&ff->ff_parent, &ff->ff_parent);
+
+ if (data->locd_declare)
+ rc = lod_sub_object_declare_xattr_set(env, dt, buf,
+ XATTR_NAME_FID,
+ LU_XATTR_REPLACE, th);
+ else
+ rc = lod_sub_object_xattr_set(env, dt, buf, XATTR_NAME_FID,
+ LU_XATTR_REPLACE, th);
+
+ return rc;
+}
+
/**
* Reset parent FID on OST object
*
* \param[in] declare if it is declare
*
* \retval 0 if reset succeeds
- * \retval negative errno if reset fais
+ * \retval negative errno if reset fails
*/
static int lod_object_replace_parent_fid(const struct lu_env *env,
struct dt_object *dt,
struct lod_thread_info *info = lod_env_info(env);
struct lu_buf *buf = &info->lti_buf;
struct filter_fid *ff;
- int i, rc;
+ struct lod_obj_stripe_cb_data data;
+ int rc;
ENTRY;
LASSERT(S_ISREG(dt->do_lu.lo_header->loh_attr));
if (rc != 0)
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (!lod_obj_is_striped(dt))
RETURN(0);
if (info->lti_ea_store_size < sizeof(*ff)) {
buf->lb_buf = info->lti_ea_store;
buf->lb_len = info->lti_ea_store_size;
- for (i = 0; i < lo->ldo_stripenr; i++) {
- if (lo->ldo_stripe[i] == NULL)
- continue;
+ data.locd_declare = declare;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ lod_obj_stripe_replace_parent_fid_cb, &data);
- rc = dt_xattr_get(env, lo->ldo_stripe[i], buf,
- XATTR_NAME_FID);
- if (rc < 0) {
- rc = 0;
+ RETURN(rc);
+}
+
+/**
+ * Declare component add. The xattr name is XATTR_LUSTRE_LOV.add, and
+ * the xattr value is binary lov_comp_md_v1 which contains component(s)
+ * to be added.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt dt_object to add components on
+ * \param[in] buf buffer contains components to be added
+ * \parem[in] th thandle
+ *
+ * \retval 0 on success
+ * \retval negative errno on failure
+ */
+static int lod_declare_layout_add(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ struct thandle *th)
+{
+ struct lod_layout_component *comp_array, *lod_comp;
+ struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
+ struct lov_desc *desc = &d->lod_desc;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lov_user_md_v1 *v1;
+ struct lov_user_md_v3 *v3;
+ struct lov_comp_md_v1 *comp_v1 = buf->lb_buf;
+ struct lu_extent *ext;
+ __u32 magic;
+ __u64 prev_end;
+ int i, rc, array_cnt;
+ ENTRY;
+
+ LASSERT(lo->ldo_is_composite);
+
+ magic = comp_v1->lcm_magic;
+ /* Replay request, see comment for LOV_MAGIC_DEF */
+ if (unlikely(le32_to_cpu(magic) == LOV_MAGIC_COMP_V1_DEF)) {
+ struct dt_object *next = dt_object_child(dt);
+
+ lod_object_free_striping(env, lo);
+ rc = lod_use_defined_striping(env, lo, buf);
+ if (rc == 0) {
+ lo->ldo_comp_cached = 1;
+ rc = lod_sub_object_declare_xattr_set(env, next, buf,
+ XATTR_NAME_LOV,
+ 0, th);
+ }
+ RETURN(rc);
+ }
+
+ prev_end = lo->ldo_comp_entries[lo->ldo_comp_cnt - 1].llc_extent.e_end;
+ rc = lod_verify_striping(d, buf, false, prev_end);
+ if (rc != 0)
+ RETURN(rc);
+
+ if (magic == __swab32(LOV_USER_MAGIC_COMP_V1)) {
+ lustre_swab_lov_comp_md_v1(comp_v1);
+ magic = comp_v1->lcm_magic;
+ }
+
+ if (magic != LOV_USER_MAGIC_COMP_V1)
+ RETURN(-EINVAL);
+
+ array_cnt = lo->ldo_comp_cnt + comp_v1->lcm_entry_count;
+ OBD_ALLOC(comp_array, sizeof(*comp_array) * array_cnt);
+ if (comp_array == NULL)
+ RETURN(-ENOMEM);
+
+ memcpy(comp_array, lo->ldo_comp_entries,
+ sizeof(*comp_array) * lo->ldo_comp_cnt);
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ v1 = (struct lov_user_md *)((char *)comp_v1 +
+ comp_v1->lcm_entries[i].lcme_offset);
+ ext = &comp_v1->lcm_entries[i].lcme_extent;
+
+ lod_comp = &comp_array[lo->ldo_comp_cnt + i];
+ lod_comp->llc_extent.e_start = ext->e_start;
+ lod_comp->llc_extent.e_end = ext->e_end;
+ lod_comp->llc_stripe_offset = v1->lmm_stripe_offset;
+
+ lod_comp->llc_stripenr = v1->lmm_stripe_count;
+ if (lod_comp->llc_stripenr <= 0)
+ lod_comp->llc_stripenr = desc->ld_default_stripe_count;
+ lod_comp->llc_stripe_size = v1->lmm_stripe_size;
+ if (lod_comp->llc_stripe_size <= 0)
+ lod_comp->llc_stripe_size =
+ desc->ld_default_stripe_size;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
+ int len;
+ v3 = (struct lov_user_md_v3 *) v1;
+ if (v3->lmm_pool_name[0] != '\0') {
+ len = strlen(v3->lmm_pool_name);
+ OBD_ALLOC(lod_comp->llc_pool, len + 1);
+ if (lod_comp->llc_pool == NULL)
+ GOTO(error, rc = -ENOMEM);
+ strncpy(lod_comp->llc_pool, v3->lmm_pool_name,
+ len + 1);
+ }
+ }
+ }
+
+ OBD_FREE(lo->ldo_comp_entries, sizeof(*lod_comp) * lo->ldo_comp_cnt);
+ lo->ldo_comp_entries = comp_array;
+ lo->ldo_comp_cnt = array_cnt;
+ /* No need to increase layout generation here, it will be increased
+ * later when generating component ID for the new components */
+
+ rc = lod_declare_striped_object(env, dt, NULL, NULL, th);
+ RETURN(rc);
+
+error:
+ for (i = lo->ldo_comp_cnt; i < array_cnt; i++) {
+ lod_comp = &comp_array[i];
+ if (lod_comp->llc_pool != NULL) {
+ OBD_FREE(lod_comp->llc_pool,
+ strlen(lod_comp->llc_pool) + 1);
+ lod_comp->llc_pool = NULL;
+ }
+ }
+ OBD_FREE(comp_array, sizeof(*comp_array) * array_cnt);
+ RETURN(rc);
+}
+
+static int lod_comp_md_size(struct lod_object *lo, bool is_dir)
+{
+ int magic, size = 0, i;
+ struct lod_layout_component *comp_entries;
+ __u16 comp_cnt;
+ bool is_composite;
+
+ if (is_dir) {
+ comp_cnt = lo->ldo_def_striping->lds_def_comp_cnt;
+ comp_entries = lo->ldo_def_striping->lds_def_comp_entries;
+ is_composite =
+ lo->ldo_def_striping->lds_def_striping_is_composite;
+ } else {
+ comp_cnt = lo->ldo_comp_cnt;
+ comp_entries = lo->ldo_comp_entries;
+ is_composite = lo->ldo_is_composite;
+ }
+
+
+ LASSERT(comp_cnt != 0 && comp_entries != NULL);
+ if (is_composite) {
+ size = sizeof(struct lov_comp_md_v1) +
+ sizeof(struct lov_comp_md_entry_v1) * comp_cnt;
+ LASSERT(size % sizeof(__u64) == 0);
+ }
+
+ for (i = 0; i < comp_cnt; i++) {
+ magic = comp_entries[i].llc_pool ? LOV_MAGIC_V3 : LOV_MAGIC_V1;
+
+ size += lov_user_md_size(
+ is_dir ? 0 : comp_entries[i].llc_stripenr,
+ magic);
+ LASSERT(size % sizeof(__u64) == 0);
+ }
+ return size;
+}
+
+/**
+ * Declare component set. The xattr is name XATTR_LUSTRE_LOV.set.$field,
+ * the '$field' can only be 'flags' now. The xattr value is binary
+ * lov_comp_md_v1 which contains the component ID(s) and the value of
+ * the field to be modified.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt dt_object to be modified
+ * \param[in] op operation string, like "set.flags"
+ * \param[in] buf buffer contains components to be set
+ * \parem[in] th thandle
+ *
+ * \retval 0 on success
+ * \retval negative errno on failure
+ */
+static int lod_declare_layout_set(const struct lu_env *env,
+ struct dt_object *dt,
+ char *op, const struct lu_buf *buf,
+ struct thandle *th)
+{
+ struct lod_layout_component *lod_comp;
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lov_comp_md_v1 *comp_v1 = buf->lb_buf;
+ __u32 magic, id;
+ int i, j, rc;
+ bool changed = false;
+ ENTRY;
+
+ if (strcmp(op, "set.flags") != 0) {
+ CDEBUG(D_LAYOUT, "%s: operation (%s) not supported.\n",
+ lod2obd(d)->obd_name, op);
+ RETURN(-ENOTSUPP);
+ }
+
+ magic = comp_v1->lcm_magic;
+ if (magic == __swab32(LOV_USER_MAGIC_COMP_V1)) {
+ lustre_swab_lov_comp_md_v1(comp_v1);
+ magic = comp_v1->lcm_magic;
+ }
+
+ if (magic != LOV_USER_MAGIC_COMP_V1)
+ RETURN(-EINVAL);
+
+ if (comp_v1->lcm_entry_count == 0) {
+ CDEBUG(D_LAYOUT, "%s: entry count is zero.\n",
+ lod2obd(d)->obd_name);
+ RETURN(-EINVAL);
+ }
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ id = comp_v1->lcm_entries[i].lcme_id;
+
+ for (j = 0; j < lo->ldo_comp_cnt; j++) {
+ lod_comp = &lo->ldo_comp_entries[j];
+ if (id == lod_comp->llc_id || id == LCME_ID_ALL) {
+ lod_comp->llc_flags =
+ comp_v1->lcm_entries[i].lcme_flags;
+ changed = true;
+ }
+ }
+ }
+
+ if (!changed) {
+ CDEBUG(D_LAYOUT, "%s: requested component(s) not found.\n",
+ lod2obd(d)->obd_name);
+ RETURN(-EINVAL);
+ }
+
+ lod_obj_inc_layout_gen(lo);
+
+ info->lti_buf.lb_len = lod_comp_md_size(lo, false);
+ rc = lod_sub_object_declare_xattr_set(env, dt, &info->lti_buf,
+ XATTR_NAME_LOV, 0, th);
+ RETURN(rc);
+}
+
+/**
+ * Declare component deletion. The xattr name is XATTR_LUSTRE_LOV.del,
+ * and the xattr value is a unique component ID or a special lcme_id.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt dt_object to be operated on
+ * \param[in] buf buffer contains component ID or lcme_id
+ * \parem[in] th thandle
+ *
+ * \retval 0 on success
+ * \retval negative errno on failure
+ */
+static int lod_declare_layout_del(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ struct thandle *th)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct dt_object *next = dt_object_child(dt);
+ struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lu_attr *attr = &lod_env_info(env)->lti_attr;
+ __u32 id;
+ int rc, i, j, left;
+ ENTRY;
+
+ LASSERT(lo->ldo_is_composite);
+
+ id = *(__u32 *)buf->lb_buf;
+ if (id == 0 || id == LCME_ID_NONE) {
+ CDEBUG(D_LAYOUT, "%s: invalid component id %#x\n",
+ lod2obd(d)->obd_name, id);
+ RETURN(-EINVAL);
+ }
+
+ left = lo->ldo_comp_cnt;
+ if (left <= 0)
+ RETURN(-EINVAL);
+
+ for (i = (lo->ldo_comp_cnt - 1); i >= 0; i--) {
+ struct lod_layout_component *lod_comp;
+
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (id <= LCME_ID_MAX && id != lod_comp->llc_id)
+ continue;
+ else if (id > LCME_ID_MAX && id < LCME_ID_ALL &&
+ !(id & lod_comp->llc_flags))
continue;
+
+ if (left != (i + 1)) {
+ CDEBUG(D_LAYOUT, "%s: this deletion will create "
+ "a hole.\n", lod2obd(d)->obd_name);
+ RETURN(-EINVAL);
}
+ left--;
- ff = buf->lb_buf;
- fid_le_to_cpu(&ff->ff_parent, &ff->ff_parent);
- ff->ff_parent.f_seq = lu_object_fid(&dt->do_lu)->f_seq;
- ff->ff_parent.f_oid = lu_object_fid(&dt->do_lu)->f_oid;
- fid_cpu_to_le(&ff->ff_parent, &ff->ff_parent);
-
- if (declare) {
- rc = lod_sub_object_declare_xattr_set(env,
- lo->ldo_stripe[i], buf,
- XATTR_NAME_FID,
- LU_XATTR_REPLACE, th);
- } else {
- rc = lod_sub_object_xattr_set(env, lo->ldo_stripe[i],
- buf, XATTR_NAME_FID,
- LU_XATTR_REPLACE, th);
+ /* Mark the component as deleted */
+ lod_comp->llc_id = LCME_ID_INVAL;
+
+ /* Not instantiated component */
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+
+ LASSERT(lod_comp->llc_stripenr > 0);
+ for (j = 0; j < lod_comp->llc_stripenr; j++) {
+ struct dt_object *obj = lod_comp->llc_stripe[j];
+
+ if (obj == NULL)
+ continue;
+ rc = lod_sub_object_declare_destroy(env, obj, th);
+ if (rc)
+ RETURN(rc);
}
- if (rc < 0)
- break;
}
+ LASSERTF(left >= 0, "left = %d\n", left);
+ if (left == lo->ldo_comp_cnt) {
+ CDEBUG(D_LAYOUT, "%s: requested component id:%#x not found\n",
+ lod2obd(d)->obd_name, id);
+ RETURN(-EINVAL);
+ }
+
+ memset(attr, 0, sizeof(*attr));
+ attr->la_valid = LA_SIZE;
+ rc = lod_sub_object_declare_attr_set(env, next, attr, th);
+ if (rc)
+ RETURN(rc);
+
+ if (left > 0) {
+ info->lti_buf.lb_len = lod_comp_md_size(lo, false);
+ rc = lod_sub_object_declare_xattr_set(env, next, &info->lti_buf,
+ XATTR_NAME_LOV, 0, th);
+ } else {
+ rc = lod_sub_object_declare_xattr_del(env, next, XATTR_NAME_LOV,
+ th);
+ }
+
+ RETURN(rc);
+}
+
+/**
+ * Declare layout add/set/del operations issued by special xattr names:
+ *
+ * XATTR_LUSTRE_LOV.add add component(s) to existing file
+ * XATTR_LUSTRE_LOV.del delete component(s) from existing file
+ * XATTR_LUSTRE_LOV.set.$field set specified field of certain component(s)
+ *
+ * \param[in] env execution environment
+ * \param[in] dt object
+ * \param[in] name name of xattr
+ * \param[in] buf lu_buf contains xattr value
+ * \param[in] th transaction handle
+ *
+ * \retval 0 on success
+ * \retval negative if failed
+ */
+static int lod_declare_modify_layout(const struct lu_env *env,
+ struct dt_object *dt,
+ const char *name,
+ const struct lu_buf *buf,
+ struct thandle *th)
+{
+ struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct dt_object *next = dt_object_child(&lo->ldo_obj);
+ char *op;
+ int rc, len = strlen(XATTR_LUSTRE_LOV);
+ ENTRY;
+
+ LASSERT(dt_object_exists(dt));
+
+ if (strlen(name) <= len || name[len] != '.') {
+ CDEBUG(D_LAYOUT, "%s: invalid xattr name: %s\n",
+ lod2obd(d)->obd_name, name);
+ RETURN(-EINVAL);
+ }
+ len++;
+
+ dt_write_lock(env, next, 0);
+ rc = lod_load_striping_locked(env, lo);
+ if (rc)
+ GOTO(unlock, rc);
+
+ /* the layout to be modified must be a composite layout */
+ if (!lo->ldo_is_composite) {
+ CDEBUG(D_LAYOUT, "%s: object "DFID" isn't a composite file.\n",
+ lod2obd(d)->obd_name, PFID(lu_object_fid(&dt->do_lu)));
+ GOTO(unlock, rc = -EINVAL);
+ }
+
+ op = (char *)name + len;
+ if (strcmp(op, "add") == 0) {
+ rc = lod_declare_layout_add(env, dt, buf, th);
+ } else if (strcmp(op, "del") == 0) {
+ rc = lod_declare_layout_del(env, dt, buf, th);
+ } else if (strncmp(op, "set", strlen("set")) == 0) {
+ rc = lod_declare_layout_set(env, dt, op, buf, th);
+ } else {
+ CDEBUG(D_LAYOUT, "%s: unsupported xattr name:%s\n",
+ lod2obd(d)->obd_name, name);
+ GOTO(unlock, rc = -ENOTSUPP);
+ }
+unlock:
+ if (rc)
+ lod_object_free_striping(env, lo);
+ dt_write_unlock(env, next);
+
RETURN(rc);
}
int rc;
ENTRY;
- /*
- * allow to declare predefined striping on a new (!mode) object
- * which is supposed to be replay of regular file creation
- * (when LOV setting is declared)
- * LU_XATTR_REPLACE is set to indicate a layout swap
- */
mode = dt->do_lu.lo_header->loh_attr & S_IFMT;
- if ((S_ISREG(mode) || mode == 0) && strcmp(name, XATTR_NAME_LOV) == 0 &&
- !(fl & LU_XATTR_REPLACE)) {
+ if ((S_ISREG(mode) || mode == 0) && !(fl & LU_XATTR_REPLACE) &&
+ (strcmp(name, XATTR_NAME_LOV) == 0 ||
+ strcmp(name, XATTR_LUSTRE_LOV) == 0)) {
/*
- * this is a request to manipulate object's striping
+ * this is a request to create object's striping.
+ *
+ * allow to declare predefined striping on a new (!mode) object
+ * which is supposed to be replay of regular file creation
+ * (when LOV setting is declared)
+ *
+ * LU_XATTR_REPLACE is set to indicate a layout swap
*/
if (dt_object_exists(dt)) {
rc = dt_attr_get(env, next, attr);
attr->la_mode = S_IFREG;
}
rc = lod_declare_striped_object(env, dt, attr, buf, th);
+ } else if (S_ISREG(mode) &&
+ strlen(name) > strlen(XATTR_LUSTRE_LOV) + 1 &&
+ strncmp(name, XATTR_LUSTRE_LOV,
+ strlen(XATTR_LUSTRE_LOV)) == 0) {
+ /*
+ * this is a request to modify object's striping.
+ * add/set/del component(s).
+ */
+ if (!dt_object_exists(dt))
+ RETURN(-ENOENT);
+
+ rc = lod_declare_modify_layout(env, dt, name, buf, th);
} else if (S_ISDIR(mode)) {
rc = lod_dir_declare_xattr_set(env, dt, buf, name, fl, th);
} else if (strcmp(name, XATTR_NAME_FID) == 0) {
* it will confuse the fid2path process(see mdt_path_current()).
* The linkEA between master and sub-stripes is set in
* lod_xattr_set_lmv(). */
- if (lo->ldo_stripenr == 0 || strcmp(name, XATTR_NAME_LINK) == 0)
+ if (lo->ldo_dir_stripenr == 0 || strcmp(name, XATTR_NAME_LINK) == 0)
RETURN(0);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
rc = lod_sub_object_xattr_set(env, lo->ldo_stripe[i], buf, name,
if (rc != 0 || !S_ISDIR(dt->do_lu.lo_header->loh_attr))
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
RETURN(rc);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
rc = lod_sub_object_xattr_del(env, lo->ldo_stripe[i], name,
const char *name, int fl,
struct thandle *th)
{
- struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
struct lov_user_md_v1 *lum;
struct lov_user_md_v3 *v3 = NULL;
const char *pool_name = NULL;
int rc;
+ bool is_del;
ENTRY;
LASSERT(buf != NULL && buf->lb_buf != NULL);
lum = buf->lb_buf;
- rc = lod_verify_striping(d, buf, false);
- if (rc)
- RETURN(rc);
-
- if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
+ switch (lum->lmm_magic) {
+ case LOV_USER_MAGIC_V3:
v3 = buf->lb_buf;
if (v3->lmm_pool_name[0] != '\0')
pool_name = v3->lmm_pool_name;
+ /* fall through */
+ case LOV_USER_MAGIC_V1:
+ /* if { size, offset, count } = { 0, -1, 0 } and no pool
+ * (i.e. all default values specified) then delete default
+ * striping from dir. */
+ CDEBUG(D_LAYOUT,
+ "set default striping: sz %u # %u offset %d %s %s\n",
+ (unsigned)lum->lmm_stripe_size,
+ (unsigned)lum->lmm_stripe_count,
+ (int)lum->lmm_stripe_offset,
+ v3 ? "from" : "", v3 ? v3->lmm_pool_name : "");
+
+ is_del = LOVEA_DELETE_VALUES(lum->lmm_stripe_size,
+ lum->lmm_stripe_count,
+ lum->lmm_stripe_offset,
+ pool_name);
+ break;
+ case LOV_USER_MAGIC_COMP_V1:
+ is_del = false;
+ break;
+ default:
+ CERROR("Invalid magic %x\n", lum->lmm_magic);
+ RETURN(-EINVAL);
}
- /* if { size, offset, count } = { 0, -1, 0 } and no pool
- * (i.e. all default values specified) then delete default
- * striping from dir. */
- CDEBUG(D_OTHER,
- "set default striping: sz %u # %u offset %d %s %s\n",
- (unsigned)lum->lmm_stripe_size,
- (unsigned)lum->lmm_stripe_count,
- (int)lum->lmm_stripe_offset,
- v3 ? "from" : "", v3 ? v3->lmm_pool_name : "");
-
- if (LOVEA_DELETE_VALUES(lum->lmm_stripe_size, lum->lmm_stripe_count,
- lum->lmm_stripe_offset, pool_name)) {
+ if (is_del) {
rc = lod_xattr_del_internal(env, dt, name, th);
if (rc == -ENODATA)
rc = 0;
/* The stripes are supposed to be allocated in declare phase,
* if there are no stripes being allocated, it will skip */
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
RETURN(0);
rc = dt_attr_get(env, dt_object_child(dt), attr);
slave_lmv_buf.lb_len = sizeof(*slave_lmm);
rec->rec_type = S_IFDIR;
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
struct dt_object *dto;
char *stripe_name = info->lti_key;
struct lu_name *sname;
struct lod_thread_info *info = lod_env_info(env);
struct lod_object *lo = lod_dt_obj(dt);
const struct lod_default_striping *lds = lo->ldo_def_striping;
- const char *poolname = NULL;
int rc;
ENTRY;
lds->lds_def_striping_set ||
lds->lds_dir_def_striping_set));
- if (!LMVEA_DELETE_VALUES(lo->ldo_stripenr,
+ if (!LMVEA_DELETE_VALUES(lo->ldo_dir_stripenr,
lo->ldo_dir_stripe_offset)) {
struct lmv_user_md_v1 *v1 = info->lti_ea_store;
- int stripe_count = lo->ldo_stripenr;
+ int stripe_count = lo->ldo_dir_stripenr;
if (info->lti_ea_store_size < sizeof(*v1)) {
rc = lod_ea_store_resize(info, sizeof(*v1));
RETURN(rc);
}
- if (lds != NULL && lds->lds_def_pool[0] != '\0')
- poolname = lds->lds_def_pool;
-
/* Transfer default LOV striping from the parent */
if (lds != NULL && lds->lds_def_striping_set &&
- !LOVEA_DELETE_VALUES(lds->lds_def_stripe_size,
- lds->lds_def_stripenr,
- lds->lds_def_stripe_offset,
- poolname)) {
- struct lov_user_md_v3 *v3 = info->lti_ea_store;
-
- if (info->lti_ea_store_size < sizeof(*v3)) {
- rc = lod_ea_store_resize(info, sizeof(*v3));
+ lds->lds_def_comp_cnt != 0) {
+ struct lov_mds_md *lmm;
+ int lmm_size = lod_comp_md_size(lo, true);
+
+ if (info->lti_ea_store_size < lmm_size) {
+ rc = lod_ea_store_resize(info, lmm_size);
if (rc != 0)
RETURN(rc);
- v3 = info->lti_ea_store;
}
+ lmm = info->lti_ea_store;
- memset(v3, 0, sizeof(*v3));
- v3->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V3);
- v3->lmm_stripe_count = cpu_to_le16(lds->lds_def_stripenr);
- v3->lmm_stripe_offset = cpu_to_le16(lds->lds_def_stripe_offset);
- v3->lmm_stripe_size = cpu_to_le32(lds->lds_def_stripe_size);
- if (poolname != NULL)
- strlcpy(v3->lmm_pool_name, poolname,
- sizeof(v3->lmm_pool_name));
+ rc = lod_generate_lovea(env, lo, lmm, &lmm_size, true);
+ if (rc != 0)
+ RETURN(rc);
- info->lti_buf.lb_buf = v3;
- info->lti_buf.lb_len = sizeof(*v3);
+ info->lti_buf.lb_buf = lmm;
+ info->lti_buf.lb_len = lmm_size;
if (declare)
rc = lod_dir_declare_xattr_set(env, dt, &info->lti_buf,
}
/**
+ * Make LOV EA for striped object.
+ *
+ * Generate striping information and store it in the LOV EA of the given
+ * object. The caller must ensure nobody else is calling the function
+ * against the object concurrently. The transaction must be started.
+ * FLDB service must be running as well; it's used to map FID to the target,
+ * which is stored in LOV EA.
+ *
+ * \param[in] env execution environment for this thread
+ * \param[in] lo LOD object
+ * \param[in] th transaction handle
+ *
+ * \retval 0 if LOV EA is stored successfully
+ * \retval negative error number on failure
+ */
+static int lod_generate_and_set_lovea(const struct lu_env *env,
+ struct lod_object *lo,
+ struct thandle *th)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct dt_object *next = dt_object_child(&lo->ldo_obj);
+ struct lov_mds_md_v1 *lmm;
+ int rc, lmm_size;
+ ENTRY;
+
+ LASSERT(lo);
+
+ if (lo->ldo_comp_cnt == 0) {
+ lod_object_free_striping(env, lo);
+ rc = lod_sub_object_xattr_del(env, next, XATTR_NAME_LOV, th);
+ RETURN(rc);
+ }
+
+ lmm_size = lod_comp_md_size(lo, false);
+ if (info->lti_ea_store_size < lmm_size) {
+ rc = lod_ea_store_resize(info, lmm_size);
+ if (rc)
+ RETURN(rc);
+ }
+ lmm = info->lti_ea_store;
+
+ rc = lod_generate_lovea(env, lo, lmm, &lmm_size, false);
+ if (rc)
+ RETURN(rc);
+
+ info->lti_buf.lb_buf = lmm;
+ info->lti_buf.lb_len = lmm_size;
+ rc = lod_sub_object_xattr_set(env, next, &info->lti_buf,
+ XATTR_NAME_LOV, 0, th);
+ RETURN(rc);
+}
+
+/**
+ * Delete layout component(s)
+ *
+ * \param[in] env execution environment for this thread
+ * \param[in] dt object
+ * \param[in] th transaction handle
+ *
+ * \retval 0 on success
+ * \retval negative error number on failure
+ */
+static int lod_layout_del(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th)
+{
+ struct lod_layout_component *lod_comp;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct dt_object *next = dt_object_child(dt);
+ struct lu_attr *attr = &lod_env_info(env)->lti_attr;
+ int rc, i, j, left;
+
+ LASSERT(lo->ldo_is_composite);
+ LASSERT(lo->ldo_comp_cnt > 0 && lo->ldo_comp_entries != NULL);
+
+ left = lo->ldo_comp_cnt;
+ for (i = (lo->ldo_comp_cnt - 1); i >= 0; i--) {
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (lod_comp->llc_id != LCME_ID_INVAL)
+ break;
+ left--;
+
+ /* Not instantiated component */
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+
+ LASSERT(lod_comp->llc_stripenr > 0);
+ for (j = 0; j < lod_comp->llc_stripenr; j++) {
+ struct dt_object *obj = lod_comp->llc_stripe[j];
+
+ if (obj == NULL)
+ continue;
+ rc = lod_sub_object_destroy(env, obj, th);
+ if (rc)
+ GOTO(out, rc);
+
+ lu_object_put(env, &obj->do_lu);
+ lod_comp->llc_stripe[j] = NULL;
+ }
+ OBD_FREE(lod_comp->llc_stripe, sizeof(struct dt_object *) *
+ lod_comp->llc_stripes_allocated);
+ lod_comp->llc_stripe = NULL;
+ lod_comp->llc_stripes_allocated = 0;
+ lod_obj_set_pool(lo, i, NULL);
+ }
+
+ LASSERTF(left >= 0 && left < lo->ldo_comp_cnt, "left = %d\n", left);
+ if (left > 0) {
+ struct lod_layout_component *comp_array;
+
+ OBD_ALLOC(comp_array, sizeof(*comp_array) * left);
+ if (comp_array == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ memcpy(&comp_array[0], &lo->ldo_comp_entries[0],
+ sizeof(*comp_array) * left);
+
+ OBD_FREE(lo->ldo_comp_entries,
+ sizeof(*comp_array) * lo->ldo_comp_cnt);
+ lo->ldo_comp_entries = comp_array;
+ lo->ldo_comp_cnt = left;
+ lod_obj_inc_layout_gen(lo);
+ } else {
+ lod_free_comp_entries(lo);
+ }
+
+ LASSERT(dt_object_exists(dt));
+ rc = dt_attr_get(env, next, attr);
+ if (rc)
+ GOTO(out, rc);
+
+ if (attr->la_size > 0) {
+ attr->la_size = 0;
+ attr->la_valid = LA_SIZE;
+ rc = lod_sub_object_attr_set(env, next, attr, th);
+ if (rc)
+ GOTO(out, rc);
+ }
+
+ rc = lod_generate_and_set_lovea(env, lo, th);
+ EXIT;
+out:
+ if (rc)
+ lod_object_free_striping(env, lo);
+ return rc;
+}
+
+/**
* Implementation of dt_object_operations::do_xattr_set.
*
* Sets specified extended attribute on the object. Three types of EAs are
th);
RETURN(rc);
} else if (S_ISREG(dt->do_lu.lo_header->loh_attr) &&
- !strcmp(name, XATTR_NAME_LOV)) {
+ (!strcmp(name, XATTR_NAME_LOV) ||
+ !strncmp(name, XATTR_LUSTRE_LOV,
+ strlen(XATTR_LUSTRE_LOV)))) {
/* in case of lov EA swap, just set it
* if not, it is a replay so check striping match what we
* already have during req replay, declare_xattr_set()
* and does not need creating each stripes. */
rc = lod_sub_object_xattr_set(env, next, buf, name,
fl, th);
+ } else if (strcmp(name, XATTR_LUSTRE_LOV".del") == 0) {
+ /* delete component(s) */
+ LASSERT(lod_dt_obj(dt)->ldo_comp_cached);
+ rc = lod_layout_del(env, dt, th);
} else {
+ /*
+ * When 'name' is XATTR_LUSTRE_LOV or XATTR_NAME_LOV,
+ * it's going to create create file with specified
+ * component(s), the striping must have not being
+ * cached in this case;
+ *
+ * Otherwise, it's going to add/change component(s) to
+ * an existing file, the striping must have been cached
+ * in this case.
+ */
+ LASSERT(equi(!strcmp(name, XATTR_LUSTRE_LOV) ||
+ !strcmp(name, XATTR_NAME_LOV),
+ !lod_dt_obj(dt)->ldo_comp_cached));
+
rc = lod_striping_create(env, dt, NULL, NULL, th);
}
RETURN(rc);
if (rc != 0)
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
RETURN(0);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
rc = lod_sub_object_declare_xattr_del(env, lo->ldo_stripe[i],
name, th);
if (rc != 0 || !S_ISDIR(dt->do_lu.lo_header->loh_attr))
RETURN(rc);
- if (lo->ldo_stripenr == 0)
+ if (lo->ldo_dir_stripenr == 0)
RETURN(0);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
rc = lod_sub_object_xattr_del(env, lo->ldo_stripe[i], name, th);
struct lod_thread_info *info = lod_env_info(env);
struct lov_user_md_v1 *v1 = NULL;
struct lov_user_md_v3 *v3 = NULL;
- int rc;
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ __u16 comp_cnt;
+ bool composite;
+ int rc, i;
+ ENTRY;
+
+ lds->lds_def_striping_set = 0;
rc = lod_get_lov_ea(env, lo);
if (rc < 0)
- return rc;
+ RETURN(rc);
if (rc < (typeof(rc))sizeof(struct lov_user_md))
- return 0;
+ RETURN(0);
v1 = info->lti_ea_store;
if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1)) {
} else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3)) {
v3 = (struct lov_user_md_v3 *)v1;
lustre_swab_lov_user_md_v3(v3);
+ } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_COMP_V1)) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ lustre_swab_lov_comp_md_v1(comp_v1);
}
- if (v1->lmm_magic != LOV_MAGIC_V3 && v1->lmm_magic != LOV_MAGIC_V1)
- return 0;
+ if (v1->lmm_magic != LOV_MAGIC_V3 && v1->lmm_magic != LOV_MAGIC_V1 &&
+ v1->lmm_magic != LOV_MAGIC_COMP_V1)
+ RETURN(-ENOTSUPP);
- if (v1->lmm_pattern != LOV_PATTERN_RAID0 && v1->lmm_pattern != 0)
- return 0;
+ if (v1->lmm_magic == LOV_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ comp_cnt = comp_v1->lcm_entry_count;
+ if (comp_cnt == 0)
+ RETURN(-EINVAL);
+ composite = true;
+ } else {
+ comp_cnt = 1;
+ composite = false;
+ }
- lds->lds_def_stripenr = v1->lmm_stripe_count;
- lds->lds_def_stripe_size = v1->lmm_stripe_size;
- lds->lds_def_stripe_offset = v1->lmm_stripe_offset;
- lds->lds_def_striping_set = 1;
- if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
- v3 = (struct lov_user_md_v3 *)v1;
- if (v3->lmm_pool_name[0] != '\0')
- strlcpy(lds->lds_def_pool, v3->lmm_pool_name,
- sizeof(lds->lds_def_pool));
+ /* realloc default comp entries if necessary */
+ rc = lod_def_striping_comp_resize(lds, comp_cnt);
+ if (rc < 0)
+ RETURN(rc);
+
+ lds->lds_def_comp_cnt = comp_cnt;
+ lds->lds_def_striping_is_composite = composite ? 1 : 0;
+
+ for (i = 0; i < comp_cnt; i++) {
+ struct lod_layout_component *lod_comp;
+ struct lu_extent *ext;
+ char *pool;
+
+ lod_comp = &lds->lds_def_comp_entries[i];
+ /*
+ * reset lod_comp values, llc_stripes is always NULL in
+ * the default striping template, llc_pool will be reset
+ * later below.
+ */
+ memset(lod_comp, 0, offsetof(typeof(*lod_comp), llc_pool));
+
+ if (composite) {
+ v1 = (struct lov_user_md *)((char *)comp_v1 +
+ comp_v1->lcm_entries[i].lcme_offset);
+ ext = &comp_v1->lcm_entries[i].lcme_extent;
+ lod_comp->llc_extent = *ext;
+ }
+
+ if (v1->lmm_pattern != LOV_PATTERN_RAID0 &&
+ v1->lmm_pattern != 0) {
+ lod_free_def_comp_entries(lds);
+ RETURN(-EINVAL);
+ }
+
+ CDEBUG(D_LAYOUT, DFID" stripe_count=%d stripe_size=%d "
+ "stripe_offset=%d\n",
+ PFID(lu_object_fid(&lo->ldo_obj.do_lu)),
+ (int)v1->lmm_stripe_count, (int)v1->lmm_stripe_size,
+ (int)v1->lmm_stripe_offset);
+
+ lod_comp->llc_stripenr = v1->lmm_stripe_count;
+ lod_comp->llc_stripe_size = v1->lmm_stripe_size;
+ lod_comp->llc_stripe_offset = v1->lmm_stripe_offset;
+
+ pool = NULL;
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
+ /* XXX: sanity check here */
+ v3 = (struct lov_user_md_v3 *) v1;
+ if (v3->lmm_pool_name[0] != '\0')
+ pool = v3->lmm_pool_name;
+ }
+ lod_set_def_pool(lds, i, pool);
}
- return 0;
+ lds->lds_def_striping_set = 1;
+ RETURN(rc);
}
/**
struct lod_thread_info *info = lod_env_info(env);
struct lmv_user_md_v1 *v1 = NULL;
int rc;
+ ENTRY;
+ lds->lds_dir_def_striping_set = 0;
rc = lod_get_default_lmv_ea(env, lo);
if (rc < 0)
- return rc;
+ RETURN(rc);
if (rc < (typeof(rc))sizeof(struct lmv_user_md))
- return 0;
+ RETURN(0);
v1 = info->lti_ea_store;
lds->lds_dir_def_hash_type = le32_to_cpu(v1->lum_hash_type);
lds->lds_dir_def_striping_set = 1;
- return 0;
+ RETURN(0);
}
/**
struct lod_object *lo,
struct lod_default_striping *lds)
{
- int rc;
+ int rc, rc1;
rc = lod_get_default_lov_striping(env, lo, lds);
- if (rc == 0)
- rc = lod_get_default_lmv_striping(env, lo, lds);
+ rc1 = lod_get_default_lmv_striping(env, lo, lds);
+ if (rc == 0 && rc1 < 0)
+ rc = rc1;
+
return rc;
}
const struct lod_default_striping *lds,
umode_t mode)
{
+ struct lod_device *d = lu2lod_dev(lo->ldo_obj.do_lu.lo_dev);
+ struct lov_desc *desc = &d->lod_desc;
+ int i, rc;
+
if (lds->lds_def_striping_set && S_ISREG(mode)) {
- if (lo->ldo_stripenr == 0)
- lo->ldo_stripenr = lds->lds_def_stripenr;
- if (lo->ldo_stripe_size == 0)
- lo->ldo_stripe_size = lds->lds_def_stripe_size;
- if (lo->ldo_stripe_offset == LOV_OFFSET_DEFAULT)
- lo->ldo_stripe_offset = lds->lds_def_stripe_offset;
- if (lo->ldo_pool == NULL && lds->lds_def_pool[0] != '\0')
- lod_object_set_pool(lo, lds->lds_def_pool);
-
- CDEBUG(D_INFO, "striping from default: count %hu, size %u, "
- "offset %d, pool %s\n",
- lo->ldo_stripenr, lo->ldo_stripe_size,
- (int)lo->ldo_stripe_offset, lo->ldo_pool ?: "");
+ rc = lod_alloc_comp_entries(lo, lds->lds_def_comp_cnt);
+ if (rc != 0)
+ return;
+
+ lo->ldo_is_composite = lds->lds_def_striping_is_composite;
+
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ struct lod_layout_component *obj_comp =
+ &lo->ldo_comp_entries[i];
+ struct lod_layout_component *def_comp =
+ &lds->lds_def_comp_entries[i];
+
+ CDEBUG(D_LAYOUT, "Inherite from default: size:%hu "
+ "nr:%u offset:%u %s\n",
+ def_comp->llc_stripe_size,
+ def_comp->llc_stripenr,
+ def_comp->llc_stripe_offset,
+ def_comp->llc_pool ?: "");
+
+ *obj_comp = *def_comp;
+ if (def_comp->llc_pool != NULL) {
+ /* pointer was copied from def_comp */
+ obj_comp->llc_pool = NULL;
+ lod_obj_set_pool(lo, i, def_comp->llc_pool);
+ }
+
+ /*
+ * Don't initialize these fields for plain layout
+ * (v1/v3) here, they are inherited in the order of
+ * 'parent' -> 'fs default (root)' -> 'global default
+ * values for stripe_count & stripe_size'.
+ *
+ * see lod_ah_init().
+ */
+ if (!lo->ldo_is_composite)
+ continue;
+
+ if (obj_comp->llc_stripenr <= 0)
+ obj_comp->llc_stripenr =
+ desc->ld_default_stripe_count;
+ if (obj_comp->llc_stripe_size <= 0)
+ obj_comp->llc_stripe_size =
+ desc->ld_default_stripe_size;
+ }
} else if (lds->lds_dir_def_striping_set && S_ISDIR(mode)) {
- if (lo->ldo_stripenr == 0)
- lo->ldo_stripenr = lds->lds_dir_def_stripenr;
+ if (lo->ldo_dir_stripenr == 0)
+ lo->ldo_dir_stripenr = lds->lds_dir_def_stripenr;
if (lo->ldo_dir_stripe_offset == -1)
lo->ldo_dir_stripe_offset =
lds->lds_dir_def_stripe_offset;
if (lo->ldo_dir_hash_type == 0)
lo->ldo_dir_hash_type = lds->lds_dir_def_hash_type;
- CDEBUG(D_INFO, "striping from default: count %hu, offset %d, "
- "hash_type %u\n",
- lo->ldo_stripenr, (int)lo->ldo_dir_stripe_offset,
- lo->ldo_dir_hash_type);
+ CDEBUG(D_LAYOUT, "striping from default dir: nr:%hu, "
+ "offset:%u, hash_type:%u\n",
+ lo->ldo_dir_stripenr, lo->ldo_dir_stripe_offset,
+ lo->ldo_dir_hash_type);
}
}
+static inline bool lod_need_inherit_more(struct lod_object *lo, bool from_root)
+{
+ struct lod_layout_component *lod_comp;
+
+ if (lo->ldo_comp_cnt == 0)
+ return true;
+
+ if (lo->ldo_is_composite)
+ return false;
+
+ lod_comp = &lo->ldo_comp_entries[0];
+
+ if (lod_comp->llc_stripenr <= 0 ||
+ lod_comp->llc_stripe_size <= 0)
+ return true;
+
+ if (from_root && (lod_comp->llc_pool == NULL ||
+ lod_comp->llc_stripe_offset == LOV_OFFSET_DEFAULT))
+ return true;
+
+ return false;
+}
+
/**
* Implementation of dt_object_operations::do_ah_init.
*
struct lod_object *lp = NULL;
struct lod_object *lc;
struct lov_desc *desc;
+ struct lod_layout_component *lod_comp;
+ int rc;
ENTRY;
LASSERT(child);
nextc = dt_object_child(child);
lc = lod_dt_obj(child);
- LASSERT(lc->ldo_stripenr == 0);
- LASSERT(lc->ldo_stripe == NULL);
+ LASSERT(!lod_obj_is_striped(child));
+ /* default layout template may have been set on the regular file
+ * when this is called from mdd_create_data() */
+ if (S_ISREG(child_mode))
+ lod_free_comp_entries(lc);
if (!dt_object_exists(nextc))
nextc->do_ops->do_ah_init(env, ah, nextp, nextc, child_mode);
/* other default values are 0 */
lc->ldo_dir_stripe_offset = -1;
- memset(lds, 0, sizeof(*lds));
- lod_get_default_striping(env, lp, lds);
+ /* get default striping from parent object */
+ if (likely(lp != NULL))
+ lod_get_default_striping(env, lp, lds);
- /* inherit parent default striping */
+ /* set child default striping info, default value is NULL */
if (lds->lds_def_striping_set || lds->lds_dir_def_striping_set)
lc->ldo_def_striping = lds;
lod_verify_md_striping(d, ah->dah_eadata) == 0) {
const struct lmv_user_md_v1 *lum1 = ah->dah_eadata;
- lc->ldo_stripenr = le32_to_cpu(lum1->lum_stripe_count);
+ lc->ldo_dir_stripenr =
+ le32_to_cpu(lum1->lum_stripe_count);
lc->ldo_dir_stripe_offset =
- le32_to_cpu(lum1->lum_stripe_offset);
+ le32_to_cpu(lum1->lum_stripe_offset);
lc->ldo_dir_hash_type =
- le32_to_cpu(lum1->lum_hash_type);
+ le32_to_cpu(lum1->lum_hash_type);
CDEBUG(D_INFO, "set dir stripe: count %hu, offset %d, "
"hash_type %u\n",
- lc->ldo_stripenr,
+ lc->ldo_dir_stripenr,
(int)lc->ldo_dir_stripe_offset,
lc->ldo_dir_hash_type);
} else {
+ /* transfer defaults LMV to new directory */
lod_striping_from_default(lc, lds, child_mode);
}
/* shrink the stripe_count to the avaible MDT count */
- if (lc->ldo_stripenr > d->lod_remote_mdt_count + 1 &&
+ if (lc->ldo_dir_stripenr > d->lod_remote_mdt_count + 1 &&
!OBD_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE))
- lc->ldo_stripenr = d->lod_remote_mdt_count + 1;
+ lc->ldo_dir_stripenr = d->lod_remote_mdt_count + 1;
/* Directory will be striped only if stripe_count > 1, if
* stripe_count == 1, let's reset stripenr = 0 to avoid
* create single master stripe and also help to unify the
* stripe handling of directories and files */
- if (lc->ldo_stripenr == 1)
- lc->ldo_stripenr = 0;
+ if (lc->ldo_dir_stripenr == 1)
+ lc->ldo_dir_stripenr = 0;
CDEBUG(D_INFO, "final dir stripe [%hu %d %u]\n",
- lc->ldo_stripenr, (int)lc->ldo_dir_stripe_offset,
+ lc->ldo_dir_stripenr, (int)lc->ldo_dir_stripe_offset,
lc->ldo_dir_hash_type);
RETURN_EXIT;
}
- /*
- * if object is going to be striped over OSTs, transfer default
- * striping information to the child, so that we can use it
- * during declaration and creation
- */
+ /* child object regular file*/
+
if (!lod_object_will_be_striped(S_ISREG(child_mode),
lu_object_fid(&child->do_lu)))
RETURN_EXIT;
- /* other default values are 0 */
- lc->ldo_stripe_offset = LOV_OFFSET_DEFAULT;
-
- /* striping from parent default */
- if (likely(parent)) {
- memset(lds, 0, sizeof(*lds));
- lod_get_default_lov_striping(env, lp, lds);
- lod_striping_from_default(lc, lds, child_mode);
+ /* If object is going to be striped over OSTs, transfer default
+ * striping information to the child, so that we can use it
+ * during declaration and creation.
+ *
+ * Try from the parent first.
+ */
+ if (likely(lp != NULL)) {
+ rc = lod_get_default_lov_striping(env, lp, lds);
+ if (rc == 0)
+ lod_striping_from_default(lc, lds, child_mode);
}
+ /* Initialize lod_device::lod_md_root object reference */
if (d->lod_md_root == NULL) {
struct dt_object *root;
struct lod_object *lroot;
}
}
- /* if parent doesn't provide all defaults, striping from fs default */
- if (d->lod_md_root != NULL &&
- (lc->ldo_stripenr == 0 ||
- lc->ldo_stripe_size == 0 ||
- lc->ldo_stripe_offset == LOV_OFFSET_DEFAULT ||
- lc->ldo_pool == NULL)) {
- memset(lds, 0, sizeof(*lds));
- lod_get_default_lov_striping(env, d->lod_md_root, lds);
- lod_striping_from_default(lc, lds, child_mode);
+ /* try inherit layout from the root object (fs default) when:
+ * - parent does not have default layout; or
+ * - parent has plain(v1/v3) default layout, and some attributes
+ * are not specified in the default layout;
+ */
+ if (d->lod_md_root != NULL && lod_need_inherit_more(lc, true)) {
+ rc = lod_get_default_lov_striping(env, d->lod_md_root, lds);
+ if (rc)
+ goto out;
+ if (lc->ldo_comp_cnt == 0) {
+ lod_striping_from_default(lc, lds, child_mode);
+ } else if (!lds->lds_def_striping_is_composite) {
+ struct lod_layout_component *def_comp;
+
+ LASSERT(!lc->ldo_is_composite);
+ lod_comp = &lc->ldo_comp_entries[0];
+ def_comp = &lds->lds_def_comp_entries[0];
+
+ if (lod_comp->llc_stripenr <= 0)
+ lod_comp->llc_stripenr = def_comp->llc_stripenr;
+ if (lod_comp->llc_stripe_size <= 0)
+ lod_comp->llc_stripe_size =
+ def_comp->llc_stripe_size;
+ if (lod_comp->llc_stripe_offset == LOV_OFFSET_DEFAULT)
+ lod_comp->llc_stripe_offset =
+ def_comp->llc_stripe_offset;
+ if (lod_comp->llc_pool == NULL)
+ lod_obj_set_pool(lc, 0, def_comp->llc_pool);
+ }
}
-
+out:
/*
* fs default striping may not be explicitly set, or historically set
- * in config log, check striping sanity here and fix to sane values.
+ * in config log, use them.
*/
- desc = &d->lod_desc;
- if (lc->ldo_stripenr == 0)
- lc->ldo_stripenr = desc->ld_default_stripe_count;
- if (lc->ldo_stripe_size == 0)
- lc->ldo_stripe_size = desc->ld_default_stripe_size;
-
- CDEBUG(D_INFO, "final striping [%hu %u %d %s]\n",
- lc->ldo_stripenr, lc->ldo_stripe_size,
- (int)lc->ldo_stripe_offset, lc->ldo_pool ?: "");
+ if (lod_need_inherit_more(lc, false)) {
+
+ if (lc->ldo_comp_cnt == 0) {
+ rc = lod_alloc_comp_entries(lc, 1);
+ if (rc)
+ /* fail to allocate memory, will create a
+ * non-striped file. */
+ RETURN_EXIT;
+ lc->ldo_is_composite = 0;
+ lod_comp = &lc->ldo_comp_entries[0];
+ lod_comp->llc_stripe_offset = LOV_OFFSET_DEFAULT;
+ }
+ LASSERT(!lc->ldo_is_composite);
+ lod_comp = &lc->ldo_comp_entries[0];
+ desc = &d->lod_desc;
+ if (lod_comp->llc_stripenr <= 0)
+ lod_comp->llc_stripenr = desc->ld_default_stripe_count;
+ if (lod_comp->llc_stripe_size <= 0)
+ lod_comp->llc_stripe_size =
+ desc->ld_default_stripe_size;
+ }
+
EXIT;
}
static int lod_declare_init_size(const struct lu_env *env,
struct dt_object *dt, struct thandle *th)
{
- struct dt_object *next = dt_object_child(dt);
- struct lod_object *lo = lod_dt_obj(dt);
- struct lu_attr *attr = &lod_env_info(env)->lti_attr;
- uint64_t size, offs;
- int rc, stripe;
+ struct dt_object *next = dt_object_child(dt);
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct dt_object **objects = NULL;
+ struct lu_attr *attr = &lod_env_info(env)->lti_attr;
+ uint64_t size, offs;
+ int i, rc, stripe, stripenr = 0, stripe_size = 0;
ENTRY;
- /* XXX: we support the simplest (RAID0) striping so far */
- LASSERT(lo->ldo_stripe || lo->ldo_stripenr == 0);
- LASSERT(lo->ldo_stripe_size > 0);
-
- if (lo->ldo_stripenr == 0)
+ if (!lod_obj_is_striped(dt))
RETURN(0);
rc = dt_attr_get(env, next, attr);
if (size == 0)
RETURN(0);
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ struct lod_layout_component *lod_comp;
+ struct lu_extent *extent;
+
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+
+ extent = &lod_comp->llc_extent;
+ if (!lo->ldo_is_composite ||
+ (size >= extent->e_start && size < extent->e_end)) {
+ objects = lod_comp->llc_stripe;
+ stripenr = lod_comp->llc_stripenr;
+ stripe_size = lod_comp->llc_stripe_size;
+ break;
+ }
+ }
+
+ if (stripenr == 0)
+ RETURN(0);
+
+ LASSERT(objects != NULL && stripe_size != 0);
+
/* ll_do_div64(a, b) returns a % b, and a = a / b */
- ll_do_div64(size, (__u64) lo->ldo_stripe_size);
- stripe = ll_do_div64(size, (__u64) lo->ldo_stripenr);
+ ll_do_div64(size, (__u64)stripe_size);
+ stripe = ll_do_div64(size, (__u64)stripenr);
+ LASSERT(objects[stripe] != NULL);
- size = size * lo->ldo_stripe_size;
+ size = size * stripe_size;
offs = attr->la_size;
- size += ll_do_div64(offs, lo->ldo_stripe_size);
+ size += ll_do_div64(offs, stripe_size);
attr->la_valid = LA_SIZE;
attr->la_size = size;
- rc = lod_sub_object_declare_attr_set(env, lo->ldo_stripe[stripe], attr,
- th);
+ rc = lod_sub_object_declare_attr_set(env, objects[stripe], attr, th);
RETURN(rc);
}
if (!dt_object_remote(next)) {
/* choose OST and generate appropriate objects */
- rc = lod_qos_prep_create(env, lo, attr, lovea, th);
+ rc = lod_prepare_create(env, lo, attr, lovea, th);
if (rc)
GOTO(out, rc);
/*
* declare storage for striping data
*/
- info->lti_buf.lb_len = lov_mds_md_size(lo->ldo_stripenr,
- lo->ldo_pool ? LOV_MAGIC_V3 : LOV_MAGIC_V1);
+ info->lti_buf.lb_len = lod_comp_md_size(lo, false);
} else {
/* LOD can not choose OST objects for remote objects, i.e.
* stripes must be ready before that. Right now, it can only
/* XXX: all tricky interactions with ->ah_make_hint() decided
* to use striping, then ->declare_create() behaving differently
* should be cleaned */
- if (dof->u.dof_reg.striped == 0)
- lo->ldo_stripenr = 0;
- if (lo->ldo_stripenr > 0)
+ if (dof->u.dof_reg.striped != 0)
rc = lod_declare_striped_object(env, dt, attr,
NULL, th);
} else if (dof->dof_type == DFT_DIR) {
rc = lod_declare_dir_striping_create(env, dt, attr, dof, th);
}
out:
+ /* failed to create striping or to set initial size, let's reset
+ * config so that others don't get confused */
+ if (rc)
+ lod_object_free_striping(env, lo);
RETURN(rc);
}
struct lu_attr *attr, struct dt_object_format *dof,
struct thandle *th)
{
- struct lod_object *lo = lod_dt_obj(dt);
- int rc = 0, i;
+ struct lod_layout_component *lod_comp;
+ struct lod_object *lo = lod_dt_obj(dt);
+ int rc = 0, i, j;
ENTRY;
+ LASSERT(lo->ldo_comp_cnt != 0 && lo->ldo_comp_entries != NULL);
+
/* create all underlying objects */
- for (i = 0; i < lo->ldo_stripenr; i++) {
- LASSERT(lo->ldo_stripe[i]);
- rc = lod_sub_object_create(env, lo->ldo_stripe[i], attr, NULL,
- dof, th);
- if (rc)
- break;
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (lod_comp->llc_flags & LCME_FL_INIT)
+ continue;
+
+ lod_comp->llc_flags |= LCME_FL_INIT;
+
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+
+ LASSERT(lod_comp->llc_stripenr > 0);
+ for (j = 0; j < lod_comp->llc_stripenr; j++) {
+ struct dt_object *object = lod_comp->llc_stripe[j];
+ LASSERT(object != NULL);
+ rc = lod_sub_object_create(env, object, attr, NULL,
+ dof, th);
+ if (rc)
+ break;
+ }
}
if (rc == 0)
rc = lod_generate_and_set_lovea(env, lo, th);
+ if (rc == 0)
+ lo->ldo_comp_cached = 1;
+ else
+ lod_object_free_striping(env, lo);
+
RETURN(rc);
}
struct dt_allocation_hint *hint,
struct dt_object_format *dof, struct thandle *th)
{
- struct lod_object *lo = lod_dt_obj(dt);
int rc;
ENTRY;
RETURN(rc);
if (S_ISREG(dt->do_lu.lo_header->loh_attr) &&
- lo->ldo_stripe && dof->u.dof_reg.striped != 0)
+ lod_obj_is_striped(dt) && dof->u.dof_reg.striped != 0) {
+ LASSERT(lod_dt_obj(dt)->ldo_comp_cached == 0);
rc = lod_striping_create(env, dt, attr, dof, th);
+ }
RETURN(rc);
}
+static inline int
+lod_obj_stripe_destroy_cb(const struct lu_env *env, struct lod_object *lo,
+ struct dt_object *dt, struct thandle *th,
+ int stripe_idx, struct lod_obj_stripe_cb_data *data)
+{
+ if (data->locd_declare)
+ return lod_sub_object_declare_destroy(env, dt, th);
+ else if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
+ stripe_idx == cfs_fail_val)
+ return lod_sub_object_destroy(env, dt, th);
+ else
+ return 0;
+}
+
/**
* Implementation of dt_object_operations::do_declare_destroy.
*
if (rc != 0)
RETURN(rc);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
rc = lod_sub_object_declare_ref_del(env, next, th);
if (rc != 0)
RETURN(rc);
OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
RETURN(0);
+ if (!lod_obj_is_striped(dt))
+ RETURN(0);
+
/* declare destroy all striped objects */
- for (i = 0; i < lo->ldo_stripenr; i++) {
- if (lo->ldo_stripe[i] == NULL)
- continue;
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
+ if (lo->ldo_stripe[i] == NULL)
+ continue;
- if (S_ISDIR(dt->do_lu.lo_header->loh_attr))
rc = lod_sub_object_declare_ref_del(env,
lo->ldo_stripe[i], th);
- rc = lod_sub_object_declare_destroy(env, lo->ldo_stripe[i],
- th);
- if (rc != 0)
- break;
+ rc = lod_sub_object_declare_destroy(env,
+ lo->ldo_stripe[i], th);
+ if (rc != 0)
+ break;
+ }
+ } else {
+ struct lod_obj_stripe_cb_data data;
+
+ data.locd_declare = true;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ lod_obj_stripe_destroy_cb, &data);
}
RETURN(rc);
if (rc != 0)
RETURN(rc);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
rc = lod_sub_object_ref_del(env, next, th);
if (rc != 0)
RETURN(rc);
OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
RETURN(0);
+ if (!lod_obj_is_striped(dt))
+ RETURN(0);
+
/* destroy all striped objects */
- for (i = 0; i < lo->ldo_stripenr; i++) {
- if (likely(lo->ldo_stripe[i] != NULL) &&
- (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
- i == cfs_fail_val)) {
- if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ if (S_ISDIR(dt->do_lu.lo_header->loh_attr)) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
+ if (lo->ldo_stripe[i] == NULL)
+ continue;
+ if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
+ i == cfs_fail_val) {
dt_write_lock(env, lo->ldo_stripe[i],
MOR_TGT_CHILD);
rc = lod_sub_object_ref_del(env,
dt_write_unlock(env, lo->ldo_stripe[i]);
if (rc != 0)
break;
- }
- rc = lod_sub_object_destroy(env, lo->ldo_stripe[i], th);
- if (rc != 0)
- break;
+ rc = lod_sub_object_destroy(env,
+ lo->ldo_stripe[i], th);
+ if (rc != 0)
+ break;
+ }
}
+ } else {
+ struct lod_obj_stripe_cb_data data;
+
+ data.locd_declare = false;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ lod_obj_stripe_destroy_cb, &data);
}
RETURN(rc);
RETURN(0);
LASSERT(S_ISDIR(dt->do_lu.lo_header->loh_attr));
- LASSERT(lo->ldo_stripenr > 1);
+ LASSERT(lo->ldo_dir_stripenr > 1);
/* Note: for remote lock for single stripe dir, MDT will cancel
* the lock by lockh directly */
LASSERT(!dt_object_remote(dt_object_child(dt)));
GOTO(out, rc);
/* No stripes */
- if (lo->ldo_stripenr <= 1) {
+ if (lo->ldo_dir_stripenr <= 1) {
/*
* NB, ei_cbdata stores pointer to slave locks, if no locks
* taken, make sure it's set to NULL, otherwise MDT will try to
GOTO(out, rc = 0);
}
- slave_locks_size = sizeof(*slave_locks) + lo->ldo_stripenr *
+ slave_locks_size = sizeof(*slave_locks) + lo->ldo_dir_stripenr *
sizeof(slave_locks->handles[0]);
/* Freed in lod_object_unlock */
OBD_ALLOC(slave_locks, slave_locks_size);
if (slave_locks == NULL)
GOTO(out, rc = -ENOMEM);
- slave_locks->count = lo->ldo_stripenr;
+ slave_locks->count = lo->ldo_dir_stripenr;
/* striped directory lock */
- for (i = 1; i < lo->ldo_stripenr; i++) {
+ for (i = 1; i < lo->ldo_dir_stripenr; i++) {
struct lustre_handle lockh;
struct ldlm_res_id *res_id;
*/
void lod_object_free_striping(const struct lu_env *env, struct lod_object *lo)
{
- int len;
+ struct lod_layout_component *lod_comp;
+ int i, j;
if (lo->ldo_stripe != NULL) {
- int i;
-
- LASSERT(lo->ldo_stripes_allocated > 0);
+ LASSERT(lo->ldo_comp_entries == NULL);
+ LASSERT(lo->ldo_dir_stripes_allocated > 0);
- for (i = 0; i < lo->ldo_stripenr; i++) {
+ for (i = 0; i < lo->ldo_dir_stripenr; i++) {
if (lo->ldo_stripe[i])
dt_object_put(env, lo->ldo_stripe[i]);
}
- len = sizeof(struct dt_object *) * lo->ldo_stripes_allocated;
- OBD_FREE(lo->ldo_stripe, len);
+ j = sizeof(struct dt_object *) * lo->ldo_dir_stripes_allocated;
+ OBD_FREE(lo->ldo_stripe, j);
lo->ldo_stripe = NULL;
- lo->ldo_stripes_allocated = 0;
+ lo->ldo_dir_stripes_allocated = 0;
+ lo->ldo_dir_stripenr = 0;
+ } else if (lo->ldo_comp_entries != NULL) {
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ /* free lod_layout_component::llc_stripe array */
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ if (lod_comp->llc_stripe == NULL)
+ continue;
+ LASSERT(lod_comp->llc_stripes_allocated != 0);
+ for (j = 0; j < lod_comp->llc_stripes_allocated; j++) {
+ if (lod_comp->llc_stripe[j] != NULL)
+ lu_object_put(env,
+ &lod_comp->llc_stripe[j]->do_lu);
+ }
+ OBD_FREE(lod_comp->llc_stripe,
+ sizeof(struct dt_object *) *
+ lod_comp->llc_stripes_allocated);
+ lod_comp->llc_stripe = NULL;
+ lod_comp->llc_stripes_allocated = 0;
+ }
+ lod_free_comp_entries(lo);
+ lo->ldo_comp_cached = 0;
}
- lo->ldo_stripenr = 0;
}
/**
{
struct lod_object *lo = lu2lod_obj(o);
- lod_object_set_pool(lo, NULL);
/* release all underlying object pinned */
lod_object_free_striping(env, lo);
lu_object_fini(o);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff