key_rec);
}
-static struct dt_index_operations lod_index_ops = {
+static const struct dt_index_operations lod_index_ops = {
.dio_lookup = lod_lookup,
.dio_declare_insert = lod_declare_insert,
.dio_insert = lod_insert,
return next->do_index_ops->dio_it.load(env, it->lit_it, hash);
}
-static struct dt_index_operations lod_striped_index_ops = {
+static const struct dt_index_operations lod_striped_index_ops = {
.dio_lookup = lod_striped_lookup,
.dio_declare_insert = lod_declare_insert,
.dio_insert = lod_insert,
memcpy(buf->lb_buf, tbuf.lb_buf, tbuf.lb_len);
}
- if (unlikely(!dt_try_as_dir(env, obj)))
+ if (unlikely(!dt_try_as_dir(env, obj, true)))
RETURN(-ENOTDIR);
memset(&lmv1->lmv_stripe_fids[0], 0, stripes * sizeof(struct lu_fid));
/* The ent->lde_name is composed of ${FID}:${index} */
if (ent->lde_namelen < len + 1 ||
memcmp(ent->lde_name, name, len) != 0) {
- CDEBUG(lod->lod_lmv_failout ? D_ERROR : D_INFO,
- "%s: invalid shard name %.*s with the FID "DFID
- " for the striped directory "DFID", %s\n",
- lod2obd(lod)->obd_name, ent->lde_namelen,
- ent->lde_name, PFID(&fid),
- PFID(lu_object_fid(&obj->do_lu)),
- lod->lod_lmv_failout ? "failout" : "skip");
+ CDEBUG_LIMIT(lod->lod_lmv_failout ? D_ERROR : D_INFO,
+ "%s: invalid shard name %.*s with the FID "DFID" for the striped directory "DFID", %s\n",
+ lod2obd(lod)->obd_name, ent->lde_namelen,
+ ent->lde_name, PFID(&fid),
+ PFID(lu_object_fid(&obj->do_lu)),
+ lod->lod_lmv_failout ? "failout" : "skip");
if (lod->lod_lmv_failout)
break;
do {
if (ent->lde_name[len] < '0' ||
ent->lde_name[len] > '9') {
- CDEBUG(lod->lod_lmv_failout ? D_ERROR : D_INFO,
- "%s: invalid shard name %.*s with the "
- "FID "DFID" for the striped directory "
- DFID", %s\n",
- lod2obd(lod)->obd_name, ent->lde_namelen,
- ent->lde_name, PFID(&fid),
- PFID(lu_object_fid(&obj->do_lu)),
- lod->lod_lmv_failout ?
- "failout" : "skip");
+ CDEBUG_LIMIT(lod->lod_lmv_failout ?
+ D_ERROR : D_INFO,
+ "%s: invalid shard name %.*s with the FID "DFID" for the striped directory "DFID", %s\n",
+ lod2obd(lod)->obd_name,
+ ent->lde_namelen,
+ ent->lde_name, PFID(&fid),
+ PFID(lu_object_fid(&obj->do_lu)),
+ lod->lod_lmv_failout ?
+ "failout" : "skip");
if (lod->lod_lmv_failout)
break;
}
/* The slot has been occupied. */
- if (!fid_is_zero(&lmv1->lmv_stripe_fids[index])) {
+ if (!fid_is_zero(&lmv1->lmv_stripe_fids[index]) &&
+ !CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_NAME)) {
struct lu_fid fid0;
fid_le_to_cpu(&fid0,
else
comp->llc_stripe_size = comp_end & ~(comp_end - 1);
} else {
+ if (comp_end != LUSTRE_EOF &&
+ comp_end & (LOV_MIN_STRIPE_SIZE - 1)) {
+ CWARN("Component end %llu is not a multiple of min size %u\n",
+ comp_end, LOV_MIN_STRIPE_SIZE);
+ comp_end = round_up(comp_end, LOV_MIN_STRIPE_SIZE);
+ }
/* check stripe size is multiplier of comp_end */
if (comp_end != LUSTRE_EOF &&
+ comp_end != comp->llc_extent.e_start &&
comp_end % comp->llc_stripe_size) {
/* fix that even for defined stripe size but warn
* about the problem, that must not happen
*/
CWARN("Component end %llu is not aligned by the stripe size %u\n",
comp_end, comp->llc_stripe_size);
- dump_stack();
comp->llc_stripe_size = comp_end & ~(comp_end - 1);
}
}
struct lov_desc *desc,
int append_stripes)
{
- if (comp->llc_pattern != LOV_PATTERN_MDT) {
+ if (!(comp->llc_pattern & LOV_PATTERN_MDT)) {
if (append_stripes) {
comp->llc_stripe_count = append_stripes;
} else if (!comp->llc_stripe_count) {
struct lod_obj_stripe_cb_data *data)
{
struct lod_layout_component *lod_comp;
- int i, j, rc;
+ int i, j, rc = 0;
ENTRY;
- LASSERT(lo->ldo_comp_cnt != 0 && lo->ldo_comp_entries != NULL);
+ mutex_lock(&lo->ldo_layout_mutex);
for (i = 0; i < lo->ldo_comp_cnt; i++) {
lod_comp = &lo->ldo_comp_entries[i];
+ if (lod_comp->llc_magic == LOV_MAGIC_FOREIGN)
+ continue;
+
if (lod_comp->llc_stripe == NULL)
continue;
/* has stripe but not inited yet, this component has been
* declared to be created, but hasn't created yet.
*/
- if (!lod_comp_inited(lod_comp))
+ if (!lod_comp_inited(lod_comp) && !data->locd_declare)
continue;
if (data->locd_comp_skip_cb &&
if (data->locd_comp_cb) {
rc = data->locd_comp_cb(env, lo, i, data);
if (rc)
- RETURN(rc);
+ GOTO(unlock, rc);
}
/* could used just to do sth about component, not each
continue;
rc = data->locd_stripe_cb(env, lo, dt, th, i, j, data);
if (rc != 0)
- RETURN(rc);
- }
- }
- RETURN(0);
-}
-
-static bool lod_obj_attr_set_comp_skip_cb(const struct lu_env *env,
- struct lod_object *lo, int comp_idx,
- struct lod_obj_stripe_cb_data *data)
-{
- struct lod_layout_component *lod_comp = &lo->ldo_comp_entries[comp_idx];
- bool skipped = false;
-
- if (!(data->locd_attr->la_valid & LA_LAYOUT_VERSION))
- return skipped;
-
- switch (lo->ldo_flr_state) {
- case LCM_FL_WRITE_PENDING: {
- int i;
-
- /* skip stale components */
- if (lod_comp->llc_flags & LCME_FL_STALE) {
- skipped = true;
- break;
- }
-
- /* skip valid and overlapping components, therefore any
- * attempts to write overlapped components will never succeed
- * because client will get EINPROGRESS. */
- for (i = 0; i < lo->ldo_comp_cnt; i++) {
- if (i == comp_idx)
- continue;
-
- if (lo->ldo_comp_entries[i].llc_flags & LCME_FL_STALE)
- continue;
-
- if (lu_extent_is_overlapped(&lod_comp->llc_extent,
- &lo->ldo_comp_entries[i].llc_extent)) {
- skipped = true;
- break;
- }
+ GOTO(unlock, rc);
}
- break;
}
- default:
- LASSERTF(0, "impossible: %d\n", lo->ldo_flr_state);
- case LCM_FL_SYNC_PENDING:
- break;
- }
-
- CDEBUG(D_LAYOUT, DFID": %s to set component %x to version: %u\n",
- PFID(lu_object_fid(&lo->ldo_obj.do_lu)),
- skipped ? "skipped" : "chose", lod_comp->llc_id,
- data->locd_attr->la_layout_version);
-
- return skipped;
+unlock:
+ mutex_unlock(&lo->ldo_layout_mutex);
+ RETURN(rc);
}
static inline int
if (!(attr->la_valid & LA_REMOTE_ATTR_SET))
RETURN(rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_OWNER))
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_OWNER))
RETURN(0);
} else {
if (!(attr->la_valid & (LA_UID | LA_GID | LA_PROJID | LA_MODE |
!S_ISREG(attr->la_mode))
RETURN(0);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE)) {
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE)) {
rc = lod_sub_declare_xattr_del(env, next, XATTR_NAME_LOV, th);
RETURN(rc);
}
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CHANGE_STRIPE) ||
- OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PFL_RANGE)) {
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_CHANGE_STRIPE) ||
+ CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PFL_RANGE)) {
struct lod_thread_info *info = lod_env_info(env);
struct lu_buf *buf = &info->lti_buf;
if (!(attr->la_valid & LA_REMOTE_ATTR_SET))
RETURN(rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_OWNER))
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_OWNER))
RETURN(0);
} else {
if (!(attr->la_valid & (LA_UID | LA_GID | LA_MODE | LA_PROJID |
data.locd_attr = attr;
data.locd_declare = false;
- data.locd_comp_skip_cb = lod_obj_attr_set_comp_skip_cb;
data.locd_stripe_cb = lod_obj_stripe_attr_set_cb;
rc = lod_obj_for_each_stripe(env, lo, th, &data);
}
!S_ISREG(attr->la_mode))
RETURN(0);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE)) {
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_STRIPE)) {
rc = lod_sub_xattr_del(env, next, XATTR_NAME_LOV, th);
RETURN(rc);
}
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CHANGE_STRIPE)) {
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_CHANGE_STRIPE)) {
struct lod_thread_info *info = lod_env_info(env);
struct lu_buf *buf = &info->lti_buf;
struct ost_id *oi = &info->lti_ostid;
rc = lod_sub_xattr_set(env, next, buf, XATTR_NAME_LOV,
LU_XATTR_REPLACE, th);
- } else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PFL_RANGE)) {
+ } else if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PFL_RANGE)) {
struct lod_thread_info *info = lod_env_info(env);
struct lu_buf *buf = &info->lti_buf;
struct lov_comp_md_v1 *lcm;
}
out:
lo->ldo_stripe = stripe;
+ lo->ldo_is_foreign = 0;
lo->ldo_dir_stripe_count = le32_to_cpu(lmv1->lmv_stripe_count);
lo->ldo_dir_stripes_allocated = le32_to_cpu(lmv1->lmv_stripe_count);
lo->ldo_dir_layout_version = le32_to_cpu(lmv1->lmv_layout_version);
slave_lmv_buf.lb_buf = slave_lmm;
slave_lmv_buf.lb_len = sizeof(*slave_lmm);
- if (!dt_try_as_dir(env, dt_object_child(dt)))
+ if (!dt_try_as_dir(env, dt_object_child(dt), false))
GOTO(out, rc = -EINVAL);
rec->rec_type = S_IFDIR;
if (rc != 0)
GOTO(out, rc);
- if (!dt_try_as_dir(env, dto))
+ if (!dt_try_as_dir(env, dto, false))
GOTO(out, rc = -EINVAL);
rc = lod_sub_declare_ref_add(env, dto, th);
if (rc != 0)
GOTO(out, rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_NAME) &&
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_NAME) &&
cfs_fail_val == i)
snprintf(stripe_name, sizeof(info->lti_key),
DFID":%u",
GOTO(out, rc);
}
- if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SLAVE_LMV) ||
+ if (!CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SLAVE_LMV) ||
cfs_fail_val != i) {
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_LMV) &&
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_LMV) &&
cfs_fail_val == i)
slave_lmm->lmv_master_mdt_index =
cpu_to_le32(i + 1);
bool already_allocated = false;
__u32 k;
- CDEBUG(D_INFO, "try idx %d, mdt cnt %u, allocated %u\n",
- idx, lod->lod_remote_mdt_count + 1, stripe_idx);
+ CDEBUG(D_INFO,
+ "try idx %d, mdt cnt %u, allocated %u, specific %d count %hu offset %d hash %#X\n",
+ idx, lod->lod_remote_mdt_count + 1, stripe_idx,
+ is_specific, lo->ldo_dir_stripe_count,
+ (int)lo->ldo_dir_stripe_offset,
+ lo->ldo_dir_hash_type);
if (likely(!is_specific &&
- !OBD_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE))) {
+ !CFS_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE) &&
+ !(lo->ldo_dir_hash_type &
+ LMV_HASH_FLAG_OVERSTRIPED))) {
/* check whether the idx already exists
* in current allocated array */
for (k = 0; k < stripe_idx; k++) {
/* this OSP doesn't feel well */
continue;
+ if (tgt->ltd_statfs.os_state & OS_STATFS_NOCREATE)
+ continue;
+
rc = dt_fid_alloc(env, tgt_dt, &fid, NULL, NULL);
if (rc < 0)
continue;
* remote MDT, otherwise we may save too many local
* slave locks which will exceed RS_MAX_LOCKS.
*/
- if (unlikely(OBD_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE)))
+ if (unlikely(CFS_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE)))
idx = master_index;
mdt_indices[stripe_idx + 1] = (idx + 1) %
(lod->lod_remote_mdt_count + 1);
LASSERT(fid_is_sane(&fid));
/* fail a remote stripe FID allocation */
- if (stripe_idx && OBD_FAIL_CHECK(OBD_FAIL_MDS_STRIPE_FID))
+ if (stripe_idx && CFS_FAIL_CHECK(OBD_FAIL_MDS_STRIPE_FID))
continue;
dto = dt_locate_at(env, tgt_dt, &fid,
struct dt_object **stripes;
struct lu_object_conf conf = { .loc_flags = LOC_F_NEW };
struct lu_fid fid = { 0 };
+ int mdt_count = lod->lod_remote_mdt_count + 1;
__u32 stripe_count;
int i;
int rc = 0;
le32_to_cpu(lum->lum_magic) == LMV_USER_MAGIC_SPECIFIC);
stripe_count = lo->ldo_dir_stripe_count;
+ if (!(lo->ldo_dir_hash_type & LMV_HASH_FLAG_OVERSTRIPED) &&
+ stripe_count > mdt_count)
+ RETURN(-E2BIG);
+
+ if ((lo->ldo_dir_hash_type & LMV_HASH_FLAG_OVERSTRIPED) &&
+ (stripe_count > mdt_count * LMV_MAX_STRIPES_PER_MDT ||
+ /* a single MDT doesn't initialize the infrastructure for striped
+ * directories, so we just don't support overstriping in that case
+ */
+ mdt_count == 1))
+ RETURN(-E2BIG);
OBD_ALLOC_PTR_ARRAY(stripes, stripe_count);
if (!stripes)
GOTO(out, rc = -ENOMEM);
if (le32_to_cpu(lum->lum_magic) == LMV_USER_MAGIC_SPECIFIC) {
+ int stripes_per_mdt;
+ int mdt;
+
is_specific = true;
+
+ /* Verify we do not exceed the stripes per MDT limit */
+ for (mdt = 0; mdt < mdt_count + 1; mdt++) {
+ stripes_per_mdt = 0;
+ for (i = 0; i < stripe_count; i++) {
+ if (mdt == le32_to_cpu(
+ lum->lum_objects[i].lum_mds))
+ stripes_per_mdt++;
+ }
+ if (stripes_per_mdt > LMV_MAX_STRIPES_PER_MDT)
+ GOTO(out_free, rc = -EINVAL);
+ }
+
for (i = 0; i < stripe_count; i++)
idx_array[i] =
le32_to_cpu(lum->lum_objects[i].lum_mds);
lu_site2seq(lod2lu_dev(lod)->ld_site)->ss_node_id;
rc = lod_mdt_alloc_specific(env, lo, stripes, idx_array,
is_specific);
+out_free:
OBD_FREE_PTR_ARRAY(idx_array, stripe_count);
}
/**
*
+ * Alloc cached foreign LOV
+ *
+ * \param[in] lo object
+ * \param[in] size size of foreign LOV
+ *
+ * \retval 0 on success
+ * \retval negative if failed
+ */
+int lod_alloc_foreign_lov(struct lod_object *lo, size_t size)
+{
+ OBD_ALLOC_LARGE(lo->ldo_foreign_lov, size);
+ if (lo->ldo_foreign_lov == NULL)
+ return -ENOMEM;
+ lo->ldo_foreign_lov_size = size;
+ lo->ldo_is_foreign = 1;
+ return 0;
+}
+
+/**
+ *
+ * Free cached foreign LOV
+ *
+ * \param[in] lo object
+ */
+void lod_free_foreign_lov(struct lod_object *lo)
+{
+ if (lo->ldo_foreign_lov != NULL)
+ OBD_FREE_LARGE(lo->ldo_foreign_lov, lo->ldo_foreign_lov_size);
+ lo->ldo_foreign_lov = NULL;
+ lo->ldo_foreign_lov_size = 0;
+ lo->ldo_is_foreign = 0;
+}
+
+/**
+ *
* Alloc cached foreign LMV
*
* \param[in] lo object
* \retval 0 on success
* \retval negative if failed
*/
-int lod_alloc_foreign_lmv(struct lod_object *lo, size_t size)
+static int lod_alloc_foreign_lmv(struct lod_object *lo, size_t size)
{
OBD_ALLOC_LARGE(lo->ldo_foreign_lmv, size);
if (lo->ldo_foreign_lmv == NULL)
return -ENOMEM;
lo->ldo_foreign_lmv_size = size;
- lo->ldo_dir_is_foreign = 1;
+ lo->ldo_is_foreign = 1;
return 0;
}
+static int lod_prep_md_replayed_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ const struct lu_buf *lmv_buf,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ struct lod_object *lo = lod_dt_obj(dt);
+ int rc;
+
+ ENTRY;
+
+ mutex_lock(&lo->ldo_layout_mutex);
+ rc = lod_parse_dir_striping(env, lo, lmv_buf);
+ if (rc == 0) {
+ lo->ldo_dir_stripe_loaded = 1;
+ lo->ldo_dir_striped = 1;
+ rc = lod_dir_declare_create_stripes(env, dt, attr, dof, th);
+ }
+ mutex_unlock(&lo->ldo_layout_mutex);
+
+ RETURN(rc);
+}
+
+/**
+ *
+ * Free cached foreign LMV
+ *
+ * \param[in] lo object
+ */
+static void lod_free_foreign_lmv(struct lod_object *lo)
+{
+ if (lo->ldo_foreign_lmv != NULL)
+ OBD_FREE_LARGE(lo->ldo_foreign_lmv, lo->ldo_foreign_lmv_size);
+ lo->ldo_foreign_lmv = NULL;
+ lo->ldo_foreign_lmv_size = 0;
+ lo->ldo_is_foreign = 0;
+}
+
/**
* Declare create striped md object.
*
struct dt_object_format *dof,
struct thandle *th)
{
- struct lod_object *lo = lod_dt_obj(dt);
- struct lmv_user_md_v1 *lum = lum_buf->lb_buf;
- int rc;
- ENTRY;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lmv_user_md_v1 *lum = lum_buf->lb_buf;
+ int rc;
+ ENTRY;
LASSERT(lum != NULL);
- CDEBUG(D_INFO, "lum magic = %x count = %u offset = %d\n",
- le32_to_cpu(lum->lum_magic), le32_to_cpu(lum->lum_stripe_count),
- (int)le32_to_cpu(lum->lum_stripe_offset));
+ CDEBUG(D_INFO,
+ "lum magic=%x hash=%x count=%u offset=%d inherit=%u rr=%u\n",
+ le32_to_cpu(lum->lum_magic), le32_to_cpu(lum->lum_hash_type),
+ le32_to_cpu(lum->lum_stripe_count),
+ (int)le32_to_cpu(lum->lum_stripe_offset),
+ lum->lum_max_inherit, lum->lum_max_inherit_rr);
if (lo->ldo_dir_stripe_count == 0) {
- if (lo->ldo_dir_is_foreign) {
+ if (lo->ldo_is_foreign) {
rc = lod_alloc_foreign_lmv(lo, lum_buf->lb_len);
if (rc != 0)
- GOTO(out, rc);
+ RETURN(rc);
memcpy(lo->ldo_foreign_lmv, lum, lum_buf->lb_len);
lo->ldo_dir_stripe_loaded = 1;
}
- GOTO(out, rc = 0);
+ RETURN(0);
}
- /* prepare dir striped objects */
- rc = lod_prep_md_striped_create(env, dt, attr, lum, dof, th);
- if (rc != 0) {
+ /* client replay striped directory creation with LMV, this happens when
+ * all involved MDTs were rebooted, or MDT recovery was aborted.
+ */
+ if (le32_to_cpu(lum->lum_magic) == LMV_MAGIC_V1)
+ rc = lod_prep_md_replayed_create(env, dt, attr, lum_buf, dof,
+ th);
+ else
+ rc = lod_prep_md_striped_create(env, dt, attr, lum, dof, th);
+ if (rc != 0)
/* failed to create striping, let's reset
* config so that others don't get confused */
lod_striping_free(env, lo);
- GOTO(out, rc);
- }
-out:
+
RETURN(rc);
}
*
* \param[in] env execution environment
* \param[in] dt target object
- * \param[in] buf LMV buf which contains source stripe fids
+ * \param[in] lmv_buf LMV buf which contains source stripe FIDs
* \param[in] fl set or replace
* \param[in] th transaction handle
*
*/
static int lod_dir_layout_set(const struct lu_env *env,
struct dt_object *dt,
- const struct lu_buf *buf,
+ const struct lu_buf *lmv_buf,
int fl,
struct thandle *th)
{
struct dt_object *next = dt_object_child(dt);
struct lod_object *lo = lod_dt_obj(dt);
struct lod_device *lod = lu2lod_dev(lod2lu_obj(lo)->lo_dev);
- struct lmv_mds_md_v1 *lmv = buf->lb_buf;
+ struct lmv_mds_md_v1 *lmv = lmv_buf->lb_buf;
struct lmv_mds_md_v1 *slave_lmv;
struct lu_buf slave_buf;
int i;
RETURN(-EINVAL);
/* adjust hash for dir merge, which may not be set in user command */
- if (lmv_is_merging(lmv) && !lmv->lmv_migrate_hash)
- lmv->lmv_merge_hash =
- lod->lod_mdt_descs.ltd_lmv_desc.ld_pattern;
+ if (lmv_is_merging(lmv) &&
+ !(lmv->lmv_migrate_hash & LMV_HASH_TYPE_MASK))
+ lmv->lmv_merge_hash |=
+ lod->lod_mdt_descs.ltd_lmv_desc.ld_pattern &
+ LMV_HASH_TYPE_MASK;
LMV_DEBUG(D_INFO, lmv, "set");
- rc = lod_sub_xattr_set(env, next, buf, XATTR_NAME_LMV, fl, th);
+ rc = lod_sub_xattr_set(env, next, lmv_buf, XATTR_NAME_LMV, fl, th);
if (rc)
RETURN(rc);
if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
struct lmv_user_md_v1 *lum;
- LASSERT(buf != NULL && buf->lb_buf != NULL);
+ LASSERT(buf != NULL);
+ if (!buf->lb_buf || buf->lb_len < sizeof(*lum))
+ RETURN(-EFAULT);
+
lum = buf->lb_buf;
rc = lod_verify_md_striping(d, lum);
if (rc != 0)
RETURN(rc);
}
-inline __u16 lod_comp_entry_stripe_count(struct lod_object *lo,
- struct lod_layout_component *entry,
- bool is_dir)
+__u16 lod_comp_entry_stripe_count(struct lod_object *lo, int comp_idx,
+ bool is_dir)
{
struct lod_device *lod = lu2lod_dev(lod2lu_obj(lo)->lo_dev);
+ struct lod_layout_component *entry;
+ enum lod_uses_hint flags = LOD_USES_ASSIGNED_STRIPE;
if (is_dir)
return 0;
- else if (lod_comp_inited(entry))
+
+ entry = &lo->ldo_comp_entries[comp_idx];
+ if (lod_comp_inited(entry))
return entry->llc_stripe_count;
- else if ((__u16)-1 == entry->llc_stripe_count)
- return lod->lod_ost_count;
- else
- return lod_get_stripe_count(lod, lo,
- entry->llc_stripe_count, false);
+ if (entry->llc_stripe_count == LOV_ALL_STRIPES)
+ return lod_get_stripe_count_plain(lod, lo,
+ entry->llc_stripe_count,
+ entry->llc_pattern &
+ LOV_PATTERN_OVERSTRIPING,
+ &flags);
+
+ return lod_get_stripe_count(lod, lo, comp_idx, entry->llc_stripe_count,
+ entry->llc_pattern & LOV_PATTERN_OVERSTRIPING,
+ &flags);
}
static int lod_comp_md_size(struct lod_object *lo, bool is_dir)
for (i = 0; i < comp_cnt; i++) {
__u16 stripe_count;
- magic = comp_entries[i].llc_pool ? LOV_MAGIC_V3 : LOV_MAGIC_V1;
- stripe_count = lod_comp_entry_stripe_count(lo, &comp_entries[i],
- is_dir);
- if (!is_dir && is_composite)
- lod_comp_shrink_stripe_count(&comp_entries[i],
- &stripe_count);
-
- size += lov_user_md_size(stripe_count, magic);
+ if (comp_entries[i].llc_magic == LOV_MAGIC_FOREIGN) {
+ size += lov_foreign_md_size(comp_entries[i].llc_length);
+ } else {
+ magic = comp_entries[i].llc_pool ? LOV_MAGIC_V3 :
+ LOV_MAGIC_V1;
+ stripe_count = lod_comp_entry_stripe_count(lo, i,
+ is_dir);
+ if (!is_dir && is_composite)
+ lod_comp_shrink_stripe_count(&comp_entries[i],
+ &stripe_count);
+
+ size += lov_user_md_size(stripe_count, magic);
+ }
LASSERT(size % sizeof(__u64) == 0);
}
return size;
struct dt_object *next = dt_object_child(dt);
struct lov_desc *desc = &d->lod_ost_descs.ltd_lov_desc;
struct lod_object *lo = lod_dt_obj(dt);
- struct lov_user_md_v3 *v3;
struct lov_comp_md_v1 *comp_v1 = buf->lb_buf;
__u32 magic;
int i, rc, array_cnt, old_array_cnt;
if (magic != LOV_USER_MAGIC_COMP_V1)
RETURN(-EINVAL);
+ mutex_lock(&lo->ldo_layout_mutex);
+
array_cnt = lo->ldo_comp_cnt + comp_v1->lcm_entry_count;
OBD_ALLOC_PTR_ARRAY(comp_array, array_cnt);
- if (comp_array == NULL)
+ if (comp_array == NULL) {
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(-ENOMEM);
+ }
+
memcpy(comp_array, lo->ldo_comp_entries,
sizeof(*comp_array) * lo->ldo_comp_cnt);
lod_comp->llc_stripe_offset = v1->lmm_stripe_offset;
lod_comp->llc_flags = comp_v1->lcm_entries[i].lcme_flags;
- lod_comp->llc_stripe_count = v1->lmm_stripe_count;
lod_comp->llc_stripe_size = v1->lmm_stripe_size;
+ lod_comp->llc_stripe_count = v1->lmm_stripe_count;
+ lod_comp->llc_pattern = v1->lmm_pattern;
+ /**
+ * limit stripe count so that it's less than/equal to
+ * extent_size / stripe_size.
+ *
+ * Note: extension size reused llc_stripe_size field and
+ * uninstantiated component could be defined with
+ * extent_start == extent_end as extension component will
+ * expand it later.
+ */
+ if (!(lod_comp->llc_flags & LCME_FL_EXTENSION) &&
+ (lod_comp_inited(lod_comp) ||
+ lod_comp->llc_extent.e_start <
+ lod_comp->llc_extent.e_end) &&
+ lod_comp->llc_stripe_count != LOV_ALL_STRIPES &&
+ ext->e_end != OBD_OBJECT_EOF &&
+ (__u64)(lod_comp->llc_stripe_count *
+ lod_comp->llc_stripe_size) >
+ (ext->e_end - ext->e_start))
+ lod_comp->llc_stripe_count =
+ DIV_ROUND_UP(ext->e_end - ext->e_start,
+ lod_comp->llc_stripe_size);
lod_adjust_stripe_info(lod_comp, desc, 0);
if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
- v3 = (struct lov_user_md_v3 *) v1;
- if (v3->lmm_pool_name[0] != '\0') {
+ struct lov_user_md_v3 *v3 = (typeof(*v3) *) v1;
+
+ if (v3->lmm_pool_name[0] != '\0' &&
+ !lov_pool_is_ignored(v3->lmm_pool_name)) {
rc = lod_set_pool(&lod_comp->llc_pool,
v3->lmm_pool_name);
if (rc)
LASSERT(lo->ldo_mirror_count == 1);
lo->ldo_mirrors[0].lme_end = array_cnt - 1;
+ mutex_unlock(&lo->ldo_layout_mutex);
+
RETURN(0);
error:
}
}
OBD_FREE_PTR_ARRAY(comp_array, array_cnt);
+ mutex_unlock(&lo->ldo_layout_mutex);
+
RETURN(rc);
}
RETURN(-EINVAL);
}
+ mutex_lock(&lo->ldo_layout_mutex);
for (i = 0; i < comp_v1->lcm_entry_count; i++) {
__u32 id = comp_v1->lcm_entries[i].lcme_id;
__u32 flags = comp_v1->lcm_entries[i].lcme_flags;
if (flags & LCME_FL_INIT) {
if (changed)
- lod_striping_free(env, lo);
+ lod_striping_free_nolock(env, lo);
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(-EINVAL);
}
if (flags) {
if ((flags & LCME_FL_STALE) &&
lod_last_non_stale_mirror(mirror_id,
- lo))
+ lo)) {
+ mutex_unlock(
+ &lo->ldo_layout_mutex);
RETURN(-EUCLEAN);
+ }
lod_comp->llc_flags |= flags;
}
if (mirror_flag) {
changed = true;
}
}
+ mutex_unlock(&lo->ldo_layout_mutex);
if (!changed) {
CDEBUG(D_LAYOUT, "%s: requested component(s) not found.\n",
flags = 0;
}
+ mutex_lock(&lo->ldo_layout_mutex);
+
left = lo->ldo_comp_cnt;
- if (left <= 0)
+ if (left <= 0) {
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(-EINVAL);
+ }
for (i = (lo->ldo_comp_cnt - 1); i >= 0; i--) {
struct lod_layout_component *lod_comp;
if (left != (i + 1)) {
CDEBUG(D_LAYOUT, "%s: this deletion will create "
"a hole.\n", lod2obd(d)->obd_name);
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(-EINVAL);
}
left--;
if (obj == NULL)
continue;
rc = lod_sub_declare_destroy(env, obj, th);
- if (rc)
+ if (rc) {
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(rc);
+ }
}
}
if (left == lo->ldo_comp_cnt) {
CDEBUG(D_LAYOUT, "%s: requested component id:%#x not found\n",
lod2obd(d)->obd_name, id);
+ mutex_unlock(&lo->ldo_layout_mutex);
RETURN(-EINVAL);
}
+ mutex_unlock(&lo->ldo_layout_mutex);
+
memset(attr, 0, sizeof(*attr));
attr->la_valid = LA_SIZE;
rc = lod_sub_declare_attr_set(env, next, attr, th);
* Merge layouts to form a mirrored file.
*/
static int lod_declare_layout_merge(const struct lu_env *env,
- struct dt_object *dt, const struct lu_buf *mbuf,
- struct thandle *th)
+ struct dt_object *dt,
+ const struct lu_buf *mbuf,
+ struct thandle *th)
{
- struct lod_thread_info *info = lod_env_info(env);
- struct lu_buf *buf = &info->lti_buf;
- struct lod_object *lo = lod_dt_obj(dt);
- struct lov_comp_md_v1 *lcm;
- struct lov_comp_md_v1 *cur_lcm;
- struct lov_comp_md_v1 *merge_lcm;
- struct lov_comp_md_entry_v1 *lcme;
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_attr *layout_attr = &info->lti_layout_attr;
+ struct lu_buf *buf = &info->lti_buf;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lov_comp_md_v1 *lcm;
+ struct lov_comp_md_v1 *cur_lcm;
+ struct lov_comp_md_v1 *merge_lcm;
+ struct lov_comp_md_entry_v1 *lcme;
struct lov_mds_md_v1 *lmm;
size_t size = 0;
size_t offset;
__u32 id = 0;
__u16 mirror_id = 0;
__u32 mirror_count;
- int rc, i;
+ int rc, i;
bool merge_has_dom;
ENTRY;
/* check if first entry in new layout is DOM */
lmm = (struct lov_mds_md_v1 *)((char *)merge_lcm +
merge_lcm->lcm_entries[0].lcme_offset);
- merge_has_dom = lov_pattern(le32_to_cpu(lmm->lmm_pattern)) ==
+ merge_has_dom = lov_pattern(le32_to_cpu(lmm->lmm_pattern)) &
LOV_PATTERN_MDT;
for (i = 0; i < merge_entry_count; i++) {
}
/* fixup layout information */
- lod_obj_inc_layout_gen(lo);
- lcm->lcm_layout_gen = cpu_to_le32(lo->ldo_layout_gen);
lcm->lcm_size = cpu_to_le32(size);
lcm->lcm_entry_count = cpu_to_le16(cur_entry_count + merge_entry_count);
lcm->lcm_mirror_count = cpu_to_le16(mirror_count);
if ((le16_to_cpu(lcm->lcm_flags) & LCM_FL_FLR_MASK) == LCM_FL_NONE)
lcm->lcm_flags = cpu_to_le32(LCM_FL_RDONLY);
- rc = lod_striping_reload(env, lo, buf);
+ rc = lod_striping_reload(env, lo, buf, 0);
if (rc)
GOTO(out, rc);
+ lod_obj_inc_layout_gen(lo);
+ lcm->lcm_layout_gen = cpu_to_le32(lo->ldo_layout_gen);
+
+ /* transfer layout version to OST objects. */
+ if (lo->ldo_mirror_count > 1) {
+ struct lod_obj_stripe_cb_data data = { {0} };
+
+ layout_attr->la_valid = LA_LAYOUT_VERSION;
+ layout_attr->la_layout_version = 0;
+ data.locd_attr = layout_attr;
+ data.locd_declare = true;
+ data.locd_stripe_cb = lod_obj_stripe_attr_set_cb;
+ rc = lod_obj_for_each_stripe(env, lo, th, &data);
+ if (rc)
+ GOTO(out, rc);
+ }
+
rc = lod_sub_declare_xattr_set(env, dt_object_child(dt), buf,
- XATTR_NAME_LOV, LU_XATTR_REPLACE, th);
+ XATTR_NAME_LOV, LU_XATTR_REPLACE, th);
out:
lu_buf_free(buf);
struct dt_object *dt, const struct lu_buf *mbuf,
struct thandle *th)
{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_attr *layout_attr = &info->lti_layout_attr;
struct lod_object *lo = lod_dt_obj(dt);
struct lov_comp_md_v1 *lcm = mbuf->lb_buf;
int rc;
ENTRY;
+ rc = lod_striping_reload(env, lo, mbuf, LVF_ALL_STALE);
+ if (rc)
+ RETURN(rc);
+
lod_obj_inc_layout_gen(lo);
+ /* fix on-disk layout gen */
lcm->lcm_layout_gen = cpu_to_le32(lo->ldo_layout_gen);
- rc = lod_striping_reload(env, lo, mbuf);
- if (rc)
- RETURN(rc);
+ /* transfer layout version to OST objects. */
+ if (lo->ldo_mirror_count > 1) {
+ struct lod_obj_stripe_cb_data data = { {0} };
+
+ layout_attr->la_valid = LA_LAYOUT_VERSION;
+ layout_attr->la_layout_version = 0;
+ data.locd_attr = layout_attr;
+ data.locd_declare = true;
+ data.locd_stripe_cb = lod_obj_stripe_attr_set_cb;
+ rc = lod_obj_for_each_stripe(env, lo, th, &data);
+ if (rc)
+ RETURN(rc);
+ }
rc = lod_sub_declare_xattr_set(env, dt_object_child(dt), mbuf,
XATTR_NAME_LOV, LU_XATTR_REPLACE, th);
RETURN(rc);
}
-/**
- * Implementation of dt_object_operations::do_declare_xattr_set.
- *
- * \see dt_object_operations::do_declare_xattr_set() in the API description
- * for details.
- *
- * the extension to the API:
- * - declaring LOVEA requests striping creation
- * - LU_XATTR_REPLACE means layout swap
- */
-static int lod_declare_xattr_set(const struct lu_env *env,
- struct dt_object *dt,
- const struct lu_buf *buf,
- const char *name, int fl,
- struct thandle *th)
+static int lod_layout_declare_or_purge_mirror(const struct lu_env *env,
+ struct dt_object *dt, const struct lu_buf *buf,
+ struct thandle *th, bool declare)
{
- struct dt_object *next = dt_object_child(dt);
- struct lu_attr *attr = &lod_env_info(env)->lti_attr;
- __u32 mode;
- int rc;
+ 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;
+ struct lov_comp_md_entry_v1 *entry;
+ struct lov_mds_md_v1 *lmm;
+ struct dt_object **sub_objs = NULL;
+ int rc = 0, i, k, array_count = 0;
+
ENTRY;
- mode = dt->do_lu.lo_header->loh_attr & S_IFMT;
- if ((S_ISREG(mode) || mode == 0) &&
- !(fl & (LU_XATTR_REPLACE | LU_XATTR_MERGE | LU_XATTR_SPLIT)) &&
- (strcmp(name, XATTR_NAME_LOV) == 0 ||
- strcmp(name, XATTR_LUSTRE_LOV) == 0)) {
- /*
- * 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);
- if (rc)
- RETURN(rc);
- } else {
- memset(attr, 0, sizeof(*attr));
- attr->la_valid = LA_TYPE | LA_MODE;
- attr->la_mode = S_IFREG;
- }
- rc = lod_declare_striped_create(env, dt, attr, buf, th);
+ /**
+ * other ops (like lod_declare_destroy) could destroying sub objects
+ * as well.
+ */
+ mutex_lock(&lo->ldo_layout_mutex);
+
+ if (!declare) {
+ /* prepare sub-objects array */
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ entry = &comp_v1->lcm_entries[i];
+
+ if (!(entry->lcme_flags & LCME_FL_INIT))
+ continue;
+
+ lmm = (struct lov_mds_md_v1 *)
+ ((char *)comp_v1 + entry->lcme_offset);
+ array_count += lmm->lmm_stripe_count;
+ }
+ OBD_ALLOC_PTR_ARRAY(sub_objs, array_count);
+ if (sub_objs == NULL) {
+ mutex_unlock(&lo->ldo_layout_mutex);
+ RETURN(-ENOMEM);
+ }
+ }
+
+ k = 0; /* sub_objs index */
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ struct lov_ost_data_v1 *objs;
+ struct lu_object *o, *n;
+ struct dt_object *dto;
+ struct lu_device *nd;
+ struct lov_mds_md_v3 *v3;
+ __u32 idx;
+ int j;
+
+ entry = &comp_v1->lcm_entries[i];
+
+ if (!(entry->lcme_flags & LCME_FL_INIT))
+ continue;
+
+ lmm = (struct lov_mds_md_v1 *)
+ ((char *)comp_v1 + entry->lcme_offset);
+ v3 = (struct lov_mds_md_v3 *)lmm;
+ if (lmm->lmm_magic == LOV_MAGIC_V3)
+ objs = &v3->lmm_objects[0];
+ else
+ objs = &lmm->lmm_objects[0];
+
+ for (j = 0; j < lmm->lmm_stripe_count; j++) {
+ idx = objs[j].l_ost_idx;
+ rc = ostid_to_fid(&info->lti_fid, &objs[j].l_ost_oi,
+ idx);
+ if (rc)
+ GOTO(out, rc);
+
+ if (!fid_is_sane(&info->lti_fid)) {
+ CERROR("%s: sub-object insane fid "DFID"\n",
+ lod2obd(d)->obd_name,
+ PFID(&info->lti_fid));
+ GOTO(out, rc = -EINVAL);
+ }
+
+ lod_getref(&d->lod_ost_descs);
+
+ rc = validate_lod_and_idx(d, idx);
+ if (unlikely(rc)) {
+ lod_putref(d, &d->lod_ost_descs);
+ GOTO(out, rc);
+ }
+
+ nd = &OST_TGT(d, idx)->ltd_tgt->dd_lu_dev;
+ lod_putref(d, &d->lod_ost_descs);
+
+ o = lu_object_find_at(env, nd, &info->lti_fid, NULL);
+ if (IS_ERR(o))
+ GOTO(out, rc = PTR_ERR(o));
+
+ n = lu_object_locate(o->lo_header, nd->ld_type);
+ if (unlikely(!n)) {
+ lu_object_put(env, n);
+ GOTO(out, rc = -ENOENT);
+ }
+
+ dto = container_of(n, struct dt_object, do_lu);
+
+ if (declare) {
+ rc = lod_sub_declare_destroy(env, dto, th);
+ dt_object_put(env, dto);
+ if (rc)
+ GOTO(out, rc);
+ } else {
+ /**
+ * collect to-be-destroyed sub objects, the
+ * reference would be released after actual
+ * deletion.
+ */
+ sub_objs[k] = dto;
+ k++;
+ }
+ } /* for each stripe */
+ } /* for each component in the mirror */
+out:
+ if (!declare) {
+ i = 0;
+ if (!rc) {
+ /* destroy the sub objects */
+ for (; i < k; i++) {
+ rc = lod_sub_destroy(env, sub_objs[i], th);
+ if (rc)
+ break;
+ dt_object_put(env, sub_objs[i]);
+ }
+ }
+ /**
+ * if a sub object destroy failed, we'd release sub objects
+ * reference get from above sub_objs collection.
+ */
+ for (; i < k; i++)
+ dt_object_put(env, sub_objs[i]);
+
+ OBD_FREE_PTR_ARRAY(sub_objs, array_count);
+ }
+ mutex_unlock(&lo->ldo_layout_mutex);
+
+ RETURN(rc);
+}
+
+/**
+ * Purge layouts, delete sub objects in the mirror stored in the vic_buf,
+ * and set the LOVEA with the layout from mbuf.
+ */
+static int lod_declare_layout_purge(const struct lu_env *env,
+ struct dt_object *dt, const struct lu_buf *buf,
+ struct thandle *th)
+{
+ struct lod_device *d = lu2lod_dev(dt->do_lu.lo_dev);
+ struct lov_comp_md_v1 *comp_v1 = buf->lb_buf;
+ int rc;
+
+ ENTRY;
+
+ if (le32_to_cpu(comp_v1->lcm_magic) != LOV_MAGIC_COMP_V1) {
+ CERROR("%s: invalid layout magic %#x != %#x\n",
+ lod2obd(d)->obd_name, le32_to_cpu(comp_v1->lcm_magic),
+ LOV_MAGIC_COMP_V1);
+ RETURN(-EINVAL);
+ }
+
+ if (cpu_to_le32(LOV_MAGIC_COMP_V1) != LOV_MAGIC_COMP_V1)
+ lustre_swab_lov_comp_md_v1(comp_v1);
+
+ /* from now on, @buf contains cpu endian data */
+
+ if (comp_v1->lcm_mirror_count != 0) {
+ CERROR("%s: can only purge one mirror from "DFID"\n",
+ lod2obd(d)->obd_name, PFID(lu_object_fid(&dt->do_lu)));
+ RETURN(-EINVAL);
+ }
+
+ /* delcare sub objects deletion in the mirror stored in @buf */
+ rc = lod_layout_declare_or_purge_mirror(env, dt, buf, th, true);
+ RETURN(rc);
+}
+
+/* delete sub objects from the mirror stored in @buf */
+static int lod_layout_purge(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_buf *buf, struct thandle *th)
+{
+ int rc;
+
+ ENTRY;
+ rc = lod_layout_declare_or_purge_mirror(env, dt, buf, th, false);
+ RETURN(rc);
+}
+
+/**
+ * Implementation of dt_object_operations::do_declare_xattr_set.
+ *
+ * \see dt_object_operations::do_declare_xattr_set() in the API description
+ * for details.
+ *
+ * the extension to the API:
+ * - declaring LOVEA requests striping creation
+ * - LU_XATTR_REPLACE means layout swap
+ */
+static int lod_declare_xattr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ const char *name, int fl,
+ struct thandle *th)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct dt_object *next = dt_object_child(dt);
+ struct lu_attr *attr = &info->lti_attr;
+ struct lod_object *lo = lod_dt_obj(dt);
+ __u32 mode;
+ int rc;
+ ENTRY;
+
+ mode = dt->do_lu.lo_header->loh_attr & S_IFMT;
+ if ((S_ISREG(mode) || mode == 0) &&
+ !(fl & (LU_XATTR_REPLACE | LU_XATTR_MERGE | LU_XATTR_SPLIT |
+ LU_XATTR_PURGE)) &&
+ (strcmp(name, XATTR_NAME_LOV) == 0 ||
+ strcmp(name, XATTR_LUSTRE_LOV) == 0)) {
+ /*
+ * 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);
+ if (rc)
+ RETURN(rc);
+ } else {
+ memset(attr, 0, sizeof(*attr));
+ attr->la_valid = LA_TYPE | LA_MODE;
+ attr->la_mode = S_IFREG;
+ }
+ rc = lod_declare_striped_create(env, dt, attr, buf, th);
} else if (fl & LU_XATTR_MERGE) {
LASSERT(strcmp(name, XATTR_NAME_LOV) == 0 ||
strcmp(name, XATTR_LUSTRE_LOV) == 0);
LASSERT(strcmp(name, XATTR_NAME_LOV) == 0 ||
strcmp(name, XATTR_LUSTRE_LOV) == 0);
rc = lod_declare_layout_split(env, dt, buf, th);
+ } else if (fl & LU_XATTR_PURGE) {
+ LASSERT(strcmp(name, XATTR_NAME_LOV) == 0 ||
+ strcmp(name, XATTR_LUSTRE_LOV) == 0);
+ rc = lod_declare_layout_purge(env, dt, buf, th);
} else if (S_ISREG(mode) &&
strlen(name) >= sizeof(XATTR_LUSTRE_LOV) + 3 &&
allowed_lustre_lov(name)) {
rc = lod_sub_declare_xattr_set(env, next, buf, name, fl, th);
}
+ if (rc == 0 &&
+ (strcmp(name, XATTR_NAME_LOV) == 0 ||
+ strcmp(name, XATTR_LUSTRE_LOV) == 0 || allowed_lustre_lov(name)))
+ rc = lod_save_layout_gen_intrans(info, lo);
+
RETURN(rc);
}
struct dt_object *dt,
const char *name, struct thandle *th)
{
- struct dt_object *next = dt_object_child(dt);
- struct lod_object *lo = lod_dt_obj(dt);
- int rc;
- int i;
+ struct dt_object *next = dt_object_child(dt);
+ struct lod_object *lo = lod_dt_obj(dt);
+ int i;
+ int rc;
+
ENTRY;
rc = lod_sub_xattr_del(env, next, name, th);
RETURN(rc);
for (i = 0; i < lo->ldo_dir_stripe_count; i++) {
- LASSERT(lo->ldo_stripe[i]);
+ if (!lo->ldo_stripe[i])
+ continue;
+
+ if (!dt_object_exists(lo->ldo_stripe[i]))
+ continue;
rc = lod_sub_xattr_del(env, lo->ldo_stripe[i], name, th);
if (rc != 0)
case LOV_USER_MAGIC_SPECIFIC:
case LOV_USER_MAGIC_V3:
v3 = buf->lb_buf;
- if (v3->lmm_pool_name[0] != '\0')
+ if (lov_pool_is_reserved(v3->lmm_pool_name))
+ memset(v3->lmm_pool_name, 0, sizeof(v3->lmm_pool_name));
+ else if (v3->lmm_pool_name[0] != '\0')
pool_name = v3->lmm_pool_name;
- /* fall through */
+ fallthrough;
case LOV_USER_MAGIC_V1:
/* if { size, offset, count } = { 0, -1, 0 } and no pool
* (i.e. all default values specified) then delete default
RETURN(rc);
}
+static int lod_get_default_lov_striping(const struct lu_env *env,
+ struct lod_object *lo,
+ struct lod_default_striping *lds,
+ struct dt_allocation_hint *ah);
+
+/**
+ * Helper function to convert compound layout to compound layout with
+ * pool
+ *
+ * Copy lcm_entries array of \a src to \a tgt. Replace lov_user_md_v1
+ * components of \a src with lov_user_md_v3 using \a pool.
+ *
+ * \param[in] src source layout
+ * \param[in] pool pool to use in \a tgt
+ * \param[out] tgt target layout
+ */
+static void embed_pool_to_comp_v1(const struct lov_comp_md_v1 *src,
+ const char *pool,
+ struct lov_comp_md_v1 *tgt)
+{
+ size_t shift;
+ struct lov_user_md_v1 *lum;
+ struct lov_user_md_v3 *lum3;
+ struct lov_comp_md_entry_v1 *entry;
+ int i;
+ __u32 offset;
+
+ entry = tgt->lcm_entries;
+ shift = 0;
+ for (i = 0; i < le16_to_cpu(src->lcm_entry_count); i++, entry++) {
+ *entry = src->lcm_entries[i];
+ offset = le32_to_cpu(src->lcm_entries[i].lcme_offset);
+ entry->lcme_offset = cpu_to_le32(offset + shift);
+
+ lum = (struct lov_user_md_v1 *)((char *)src + offset);
+ lum3 = (struct lov_user_md_v3 *)((char *)tgt + offset + shift);
+ *(struct lov_user_md_v1 *)lum3 = *lum;
+ if (lum->lmm_pattern & cpu_to_le32(LOV_PATTERN_MDT)) {
+ lum3->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V1);
+ } else {
+ lum3->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V3);
+ entry->lcme_size = cpu_to_le32(sizeof(*lum3));
+ strscpy(lum3->lmm_pool_name, pool,
+ sizeof(lum3->lmm_pool_name));
+ shift += sizeof(*lum3) - sizeof(*lum);
+ }
+ }
+}
+
+/**
+ * Set default striping on a directory.
+ *
+ * Sets specified striping on a directory object unless it matches the default
+ * striping (LOVEA_DELETE_VALUES() macro). In the latter case remove existing
+ * EA. This striping will be used when regular file is being created in this
+ * directory.
+ * If current default striping includes a pool but specifed striping
+ * does not - retain the pool if it exists.
+ *
+ * \param[in] env execution environment
+ * \param[in] dt the striped object
+ * \param[in] buf buffer with the striping
+ * \param[in] name name of EA
+ * \param[in] fl xattr flag (see OSD API description)
+ * \param[in] th transaction handle
+ *
+ * \retval 0 on success
+ * \retval negative if failed
+ */
+static int lod_xattr_set_default_lov_on_dir(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ const char *name, int fl,
+ struct thandle *th)
+{
+ struct lod_default_striping *lds = lod_lds_buf_get(env);
+ struct lov_user_md_v1 *v1 = buf->lb_buf;
+ char pool[LOV_MAXPOOLNAME + 1];
+ bool is_del;
+ int rc;
+
+ ENTRY;
+
+ /* get existing striping config */
+ rc = lod_get_default_lov_striping(env, lod_dt_obj(dt), lds, NULL);
+ if (rc)
+ RETURN(rc);
+
+ memset(pool, 0, sizeof(pool));
+ if (lds->lds_def_striping_set == 1)
+ lod_layout_get_pool(lds->lds_def_comp_entries,
+ lds->lds_def_comp_cnt, pool,
+ sizeof(pool));
+
+ is_del = LOVEA_DELETE_VALUES(v1->lmm_stripe_size,
+ v1->lmm_stripe_count,
+ v1->lmm_stripe_offset,
+ NULL);
+
+ /* Retain the pool name if it is not given */
+ if (v1->lmm_magic == LOV_USER_MAGIC_V1 && pool[0] != '\0' &&
+ !is_del) {
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lov_user_md_v3 *v3 = info->lti_ea_store;
+
+ memset(v3, 0, sizeof(*v3));
+ v3->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V3);
+ v3->lmm_pattern = cpu_to_le32(v1->lmm_pattern);
+ v3->lmm_stripe_count = cpu_to_le32(v1->lmm_stripe_count);
+ v3->lmm_stripe_offset = cpu_to_le32(v1->lmm_stripe_offset);
+ v3->lmm_stripe_size = cpu_to_le32(v1->lmm_stripe_size);
+
+ strscpy(v3->lmm_pool_name, pool, sizeof(v3->lmm_pool_name));
+
+ info->lti_buf.lb_buf = v3;
+ info->lti_buf.lb_len = sizeof(*v3);
+ rc = lod_xattr_set_lov_on_dir(env, dt, &info->lti_buf,
+ name, fl, th);
+ } else if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1 &&
+ pool[0] != '\0' && !is_del) {
+ /*
+ * try to retain the pool from default layout if the
+ * specified component layout does not provide pool
+ * info explicitly
+ */
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lov_comp_md_v1 *comp_v1 = buf->lb_buf;
+ struct lov_comp_md_v1 *comp_v1p;
+ struct lov_user_md_v1 *lum;
+ int entry_count;
+ int i;
+ __u32 offset;
+ struct lov_comp_md_entry_v1 *entry;
+ int size;
+
+ entry_count = le16_to_cpu(comp_v1->lcm_entry_count);
+ size = sizeof(*comp_v1) +
+ entry_count * sizeof(comp_v1->lcm_entries[0]);
+ entry = comp_v1->lcm_entries;
+ for (i = 0; i < entry_count; i++, entry++) {
+ offset = le32_to_cpu(entry->lcme_offset);
+ lum = (struct lov_user_md_v1 *)((char *)comp_v1 +
+ offset);
+ if (le32_to_cpu(lum->lmm_magic) != LOV_USER_MAGIC_V1)
+ /* the i-th component includes pool info */
+ break;
+ if (lum->lmm_pattern & cpu_to_le32(LOV_PATTERN_MDT))
+ size += sizeof(struct lov_user_md_v1);
+ else
+ size += sizeof(struct lov_user_md_v3);
+ }
+
+ if (i == entry_count) {
+ /*
+ * re-compose the layout to include the pool for
+ * each component
+ */
+ if (info->lti_ea_store_size < size)
+ rc = lod_ea_store_resize(info, size);
+
+ if (rc == 0) {
+ comp_v1p = info->lti_ea_store;
+ *comp_v1p = *comp_v1;
+ comp_v1p->lcm_size = cpu_to_le32(size);
+ embed_pool_to_comp_v1(comp_v1, pool, comp_v1p);
+
+ info->lti_buf.lb_buf = comp_v1p;
+ info->lti_buf.lb_len = size;
+ rc = lod_xattr_set_lov_on_dir(env, dt,
+ &info->lti_buf,
+ name, fl, th);
+ }
+ } else {
+ rc = lod_xattr_set_lov_on_dir(env, dt, buf, name, fl,
+ th);
+ }
+ } else {
+ rc = lod_xattr_set_lov_on_dir(env, dt, buf, name, fl, th);
+ }
+
+ if (lds->lds_def_striping_set == 1 && lds->lds_def_comp_entries != NULL)
+ lod_free_def_comp_entries(lds);
+
+ RETURN(rc);
+}
+
/**
* Set default striping on a directory object.
*
*
* \param[in] env execution environment
* \param[in] dt the striped object
- * \param[in] buf not used currently
+ * \param[in] buf buf lmv_user_md for create, or lmv_mds_md for replay
* \param[in] name not used currently
* \param[in] fl xattr flag (see OSD API description)
* \param[in] th transaction handle
const struct lu_buf *buf, const char *name,
int fl, struct thandle *th)
{
- struct lod_object *lo = lod_dt_obj(dt);
- struct lod_thread_info *info = lod_env_info(env);
- struct lu_attr *attr = &info->lti_attr;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_attr *attr = &info->lti_attr;
struct dt_object_format *dof = &info->lti_format;
- struct lu_buf lmv_buf;
- struct lu_buf slave_lmv_buf;
- struct lmv_mds_md_v1 *lmm;
- struct lmv_mds_md_v1 *slave_lmm = NULL;
- struct dt_insert_rec *rec = &info->lti_dt_rec;
- int i;
- int rc;
- ENTRY;
+ struct lu_buf lmv_buf;
+ struct lu_buf slave_lmv_buf;
+ struct lmv_user_md *lum = buf->lb_buf;
+ struct lmv_mds_md_v1 *lmm;
+ struct lmv_mds_md_v1 *slave_lmm = NULL;
+ struct dt_insert_rec *rec = &info->lti_dt_rec;
+ int i;
+ int rc;
+ ENTRY;
+ /* lum is used to know whether it's replay */
+ LASSERT(lum);
if (!S_ISDIR(dt->do_lu.lo_header->loh_attr))
RETURN(-ENOTDIR);
/* The stripes are supposed to be allocated in declare phase,
* if there are no stripes being allocated, it will skip */
if (lo->ldo_dir_stripe_count == 0) {
- if (lo->ldo_dir_is_foreign) {
+ if (lo->ldo_is_foreign) {
rc = lod_sub_xattr_set(env, dt_object_child(dt), buf,
XATTR_NAME_LMV, fl, th);
if (rc != 0)
if (rc != 0)
RETURN(rc);
- attr->la_valid = LA_ATIME | LA_MTIME | LA_CTIME | LA_FLAGS |
- LA_MODE | LA_UID | LA_GID | LA_TYPE | LA_PROJID;
+ attr->la_valid &= LA_ATIME | LA_MTIME | LA_CTIME | LA_FLAGS |
+ LA_MODE | LA_UID | LA_GID | LA_TYPE | LA_PROJID;
dof->dof_type = DFT_DIR;
rc = lod_prep_lmv_md(env, dt, &lmv_buf);
struct lu_name *sname;
struct linkea_data ldata = { NULL };
struct lu_buf linkea_buf;
+ bool stripe_created = false;
/* OBD_FAIL_MDS_STRIPE_FID may leave stripe uninitialized */
if (!dto)
continue;
/* fail a remote stripe creation */
- if (i && OBD_FAIL_CHECK(OBD_FAIL_MDS_STRIPE_CREATE))
+ if (i && CFS_FAIL_CHECK(OBD_FAIL_MDS_STRIPE_CREATE))
continue;
+ /* if it's replay by client request, and stripe exists on remote
+ * MDT, it means mkdir was partially executed: stripe was
+ * created on remote MDT successfully, but target not in last
+ * run.
+ */
+ if (unlikely((le32_to_cpu(lum->lum_magic) == LMV_MAGIC_V1) &&
+ dt_object_exists(dto) && dt_object_remote(dto)))
+ stripe_created = true;
+
/* don't create stripe if:
* 1. it's source stripe of migrating directory
* 2. it's existed stripe of splitting directory
(lod_is_splitting(lo) && i < lo->ldo_dir_split_offset)) {
if (!dt_object_exists(dto))
GOTO(out, rc = -EINVAL);
- } else {
+ } else if (!stripe_created) {
dt_write_lock(env, dto, DT_TGT_CHILD);
rc = lod_sub_create(env, dto, attr, NULL, dof, th);
if (rc != 0) {
GOTO(out, rc);
}
- if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SLAVE_LMV) ||
+ if (!CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SLAVE_LMV) ||
cfs_fail_val != i) {
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_LMV) &&
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_LMV) &&
cfs_fail_val == i)
slave_lmm->lmv_master_mdt_index =
cpu_to_le32(i + 1);
lo->ldo_dir_split_offset > i)
continue;
- rec->rec_fid = lu_object_fid(&dt->do_lu);
- rc = lod_sub_insert(env, dto, (struct dt_rec *)rec,
- (const struct dt_key *)dotdot, th);
- if (rc != 0)
- GOTO(out, rc);
-
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_NAME) &&
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_SLAVE_NAME) &&
cfs_fail_val == i)
snprintf(stripe_name, sizeof(info->lti_key), DFID":%d",
PFID(lu_object_fid(&dto->do_lu)), i + 1);
snprintf(stripe_name, sizeof(info->lti_key), DFID":%d",
PFID(lu_object_fid(&dto->do_lu)), i);
- sname = lod_name_get(env, stripe_name, strlen(stripe_name));
- rc = linkea_links_new(&ldata, &info->lti_linkea_buf,
- sname, lu_object_fid(&dt->do_lu));
- if (rc != 0)
- GOTO(out, rc);
+ if (!stripe_created) {
+ rec->rec_fid = lu_object_fid(&dt->do_lu);
+ rc = lod_sub_insert(env, dto, (struct dt_rec *)rec,
+ (const struct dt_key *)dotdot, th);
+ if (rc != 0)
+ GOTO(out, rc);
- linkea_buf.lb_buf = ldata.ld_buf->lb_buf;
- linkea_buf.lb_len = ldata.ld_leh->leh_len;
- rc = lod_sub_xattr_set(env, dto, &linkea_buf,
- XATTR_NAME_LINK, 0, th);
- if (rc != 0)
- GOTO(out, rc);
+ sname = lod_name_get(env, stripe_name,
+ strlen(stripe_name));
+ rc = linkea_links_new(&ldata, &info->lti_linkea_buf,
+ sname, lu_object_fid(&dt->do_lu));
+ if (rc != 0)
+ GOTO(out, rc);
+
+ linkea_buf.lb_buf = ldata.ld_buf->lb_buf;
+ linkea_buf.lb_len = ldata.ld_leh->leh_len;
+ rc = lod_sub_xattr_set(env, dto, &linkea_buf,
+ XATTR_NAME_LINK, 0, th);
+ if (rc != 0)
+ GOTO(out, rc);
+ }
rec->rec_fid = lu_object_fid(&dto->do_lu);
rc = lod_sub_insert(env, dt_object_child(dt),
GOTO(out, rc);
}
- if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MASTER_LMV))
+ if (!CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MASTER_LMV))
rc = lod_sub_xattr_set(env, dt_object_child(dt),
&lmv_buf, XATTR_NAME_LMV, fl, th);
out:
LASSERT(ergo(lds != NULL,
lds->lds_def_striping_set ||
lds->lds_dir_def_striping_set));
+ LASSERT(lmu);
if (!LMVEA_DELETE_VALUES(lo->ldo_dir_stripe_count,
lo->ldo_dir_stripe_offset)) {
- if (!lmu) {
+ if (!lmu->lb_buf) {
+ /* mkdir by default LMV */
struct lmv_user_md_v1 *v1 = info->lti_ea_store;
int stripe_count = lo->ldo_dir_stripe_count;
th);
if (rc != 0)
RETURN(rc);
- } else {
+ } else if (lmu->lb_buf) {
/* foreign LMV EA case */
- if (lmu) {
+ if (declare) {
struct lmv_foreign_md *lfm = lmu->lb_buf;
- if (lfm->lfm_magic == LMV_MAGIC_FOREIGN) {
+ if (lfm->lfm_magic == LMV_MAGIC_FOREIGN)
rc = lod_declare_xattr_set_lmv(env, dt, attr,
lmu, dof, th);
- }
- } else {
- if (lo->ldo_dir_is_foreign) {
- LASSERT(lo->ldo_foreign_lmv != NULL &&
- lo->ldo_foreign_lmv_size > 0);
- info->lti_buf.lb_buf = lo->ldo_foreign_lmv;
- info->lti_buf.lb_len = lo->ldo_foreign_lmv_size;
- lmu = &info->lti_buf;
- rc = lod_xattr_set_lmv(env, dt, lmu,
- XATTR_NAME_LMV, 0, th);
- }
+ } else if (lo->ldo_is_foreign) {
+ LASSERT(lo->ldo_foreign_lmv != NULL &&
+ lo->ldo_foreign_lmv_size > 0);
+ info->lti_buf.lb_buf = lo->ldo_foreign_lmv;
+ info->lti_buf.lb_len = lo->ldo_foreign_lmv_size;
+ lmu = &info->lti_buf;
+ rc = lod_xattr_set_lmv(env, dt, lmu, XATTR_NAME_LMV, 0,
+ th);
}
}
/* Transfer default LMV striping from the parent */
if (lds != NULL && lds->lds_dir_def_striping_set &&
+ lds->lds_dir_def_max_inherit != LMV_INHERIT_END &&
+ lds->lds_dir_def_max_inherit != LMV_INHERIT_NONE &&
!(LMVEA_DELETE_VALUES(lds->lds_dir_def_stripe_count,
lds->lds_dir_def_stripe_offset) &&
le32_to_cpu(lds->lds_dir_def_hash_type) !=
cpu_to_le32(lds->lds_dir_def_stripe_offset);
v1->lum_hash_type =
cpu_to_le32(lds->lds_dir_def_hash_type);
+ v1->lum_max_inherit =
+ lmv_inherit_next(lds->lds_dir_def_max_inherit);
+ v1->lum_max_inherit_rr =
+ lmv_inherit_rr_next(lds->lds_dir_def_max_inherit_rr);
info->lti_buf.lb_buf = v1;
info->lti_buf.lb_len = sizeof(*v1);
RETURN(rc);
}
+ /* ldo_def_striping is not allocated, clear after use, in case directory
+ * layout is changed later.
+ */
+ if (!declare)
+ lo->ldo_def_striping = NULL;
+
RETURN(0);
}
static int lod_dir_striping_create(const struct lu_env *env,
struct dt_object *dt,
struct lu_attr *attr,
+ const struct lu_buf *lmu,
struct dt_object_format *dof,
struct thandle *th)
{
- return lod_dir_striping_create_internal(env, dt, attr, NULL, dof, th,
+ return lod_dir_striping_create_internal(env, dt, attr, lmu, dof, th,
false);
}
LASSERT(lo);
if (lo->ldo_comp_cnt == 0 && !lo->ldo_is_foreign) {
- lod_striping_free(env, lo);
+ lod_striping_free_nolock(env, lo);
rc = lod_sub_xattr_del(env, next, XATTR_NAME_LOV, th);
RETURN(rc);
}
continue;
}
+ if (lod_comp->llc_magic == LOV_MAGIC_FOREIGN)
+ continue;
+
lod_obj_set_pool(lo, i, NULL);
if (lod_comp->llc_ostlist.op_array) {
OBD_FREE(lod_comp->llc_ostlist.op_array,
LASSERT(lo->ldo_mirror_count == 1);
+ mutex_lock(&lo->ldo_layout_mutex);
+
rc = lod_layout_del_prep_layout(env, lo, th);
if (rc < 0)
GOTO(out, rc);
EXIT;
out:
if (rc)
- lod_striping_free(env, lo);
+ lod_striping_free_nolock(env, lo);
+
+ mutex_unlock(&lo->ldo_layout_mutex);
+
return rc;
}
-static int lod_get_default_lov_striping(const struct lu_env *env,
- struct lod_object *lo,
- struct lod_default_striping *lds,
- struct dt_allocation_hint *ah);
/**
* Implementation of dt_object_operations::do_xattr_set.
*
struct dt_object *dt, const struct lu_buf *buf,
const char *name, int fl, struct thandle *th)
{
+ struct lod_thread_info *info = lod_env_info(env);
struct dt_object *next = dt_object_child(dt);
- int rc;
+ struct lu_attr *layout_attr = &info->lti_layout_attr;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lod_obj_stripe_cb_data data = { {0} };
+ int rc = 0;
ENTRY;
!strcmp(name, XATTR_NAME_LMV)) {
switch (fl) {
case LU_XATTR_CREATE:
- rc = lod_dir_striping_create(env, dt, NULL, NULL, th);
+ rc = lod_dir_striping_create(env, dt, NULL, buf, NULL,
+ th);
break;
case 0:
case LU_XATTR_REPLACE:
RETURN(rc);
} else if (S_ISDIR(dt->do_lu.lo_header->loh_attr) &&
strcmp(name, XATTR_NAME_LOV) == 0) {
- struct lod_default_striping *lds = lod_lds_buf_get(env);
- struct lov_user_md_v1 *v1 = buf->lb_buf;
- char pool[LOV_MAXPOOLNAME + 1];
- bool is_del;
-
- /* get existing striping config */
- rc = lod_get_default_lov_striping(env, lod_dt_obj(dt), lds,
- NULL);
- if (rc)
- RETURN(rc);
-
- memset(pool, 0, sizeof(pool));
- if (lds->lds_def_striping_set == 1)
- lod_layout_get_pool(lds->lds_def_comp_entries,
- lds->lds_def_comp_cnt, pool,
- sizeof(pool));
-
- is_del = LOVEA_DELETE_VALUES(v1->lmm_stripe_size,
- v1->lmm_stripe_count,
- v1->lmm_stripe_offset,
- NULL);
-
- /* Retain the pool name if it is not given */
- if (v1->lmm_magic == LOV_USER_MAGIC_V1 && pool[0] != '\0' &&
- !is_del) {
- struct lod_thread_info *info = lod_env_info(env);
- struct lov_user_md_v3 *v3 = info->lti_ea_store;
-
- memset(v3, 0, sizeof(*v3));
- v3->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V3);
- v3->lmm_pattern = cpu_to_le32(v1->lmm_pattern);
- v3->lmm_stripe_count =
- cpu_to_le32(v1->lmm_stripe_count);
- v3->lmm_stripe_offset =
- cpu_to_le32(v1->lmm_stripe_offset);
- v3->lmm_stripe_size = cpu_to_le32(v1->lmm_stripe_size);
-
- strlcpy(v3->lmm_pool_name, pool,
- sizeof(v3->lmm_pool_name));
-
- info->lti_buf.lb_buf = v3;
- info->lti_buf.lb_len = sizeof(*v3);
- rc = lod_xattr_set_lov_on_dir(env, dt, &info->lti_buf,
- name, fl, th);
- } else {
- rc = lod_xattr_set_lov_on_dir(env, dt, buf, name,
- fl, th);
- }
-
- if (lds->lds_def_striping_set == 1 &&
- lds->lds_def_comp_entries != NULL)
- lod_free_def_comp_entries(lds);
-
+ rc = lod_xattr_set_default_lov_on_dir(env, dt, buf, name, fl,
+ th);
RETURN(rc);
} else if (S_ISDIR(dt->do_lu.lo_header->loh_attr) &&
strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
(strcmp(name, XATTR_NAME_LOV) == 0 ||
strcmp(name, XATTR_LUSTRE_LOV) == 0 ||
allowed_lustre_lov(name))) {
+ /* layout has been changed by others in the transaction */
+ rc = lod_check_layout_gen_intrans(info, lo);
+ if (rc > 0) {
+ CDEBUG(D_LAYOUT,
+ "%s: obj "DFID" gen changed from %d to %d in transaction, retry the transaction\n",
+ dt->do_lu.lo_dev->ld_obd->obd_name,
+ PFID(lu_object_fid(&dt->do_lu)),
+ info->lti_gen[rc - 1], lo->ldo_layout_gen);
+ RETURN(-EAGAIN);
+ }
+
/* 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()
lod_striping_free(env, lod_dt_obj(dt));
rc = lod_sub_xattr_set(env, next, buf, name, fl, th);
+ } else if (fl & LU_XATTR_SPLIT) {
+ rc = lod_sub_xattr_set(env, next, buf, name, fl, th);
+ if (rc)
+ RETURN(rc);
+
+ rc = lod_striping_reload(env, lo, buf, LVF_ALL_STALE);
+ if (rc)
+ RETURN(rc);
+
+ if (lo->ldo_mirror_count > 1 &&
+ layout_attr->la_valid & LA_LAYOUT_VERSION) {
+ /* mirror split */
+ layout_attr->la_layout_version =
+ lo->ldo_layout_gen;
+ data.locd_attr = layout_attr;
+ data.locd_declare = false;
+ data.locd_stripe_cb =
+ lod_obj_stripe_attr_set_cb;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ &data);
+ if (rc)
+ RETURN(rc);
+ }
+ } else if (fl & LU_XATTR_PURGE) {
+ rc = lod_layout_purge(env, dt, buf, th);
} else if (dt_object_remote(dt)) {
/* This only happens during migration, see
* mdd_migrate_create(), in which Master MDT will
} else {
/*
* When 'name' is XATTR_LUSTRE_LOV or XATTR_NAME_LOV,
- * it's going to create create file with specified
+ * it's going to create file with specified
* component(s), the striping must have not being
* cached in this case;
*
* 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));
+ if (!(fl & LU_XATTR_MERGE))
+ LASSERT(equi(!strcmp(name, XATTR_LUSTRE_LOV) ||
+ !strcmp(name, XATTR_NAME_LOV),
+ !lod_dt_obj(dt)->ldo_comp_cached));
rc = lod_striped_create(env, dt, NULL, NULL, th);
+ if (rc)
+ RETURN(rc);
+
+ if (fl & LU_XATTR_MERGE && lo->ldo_mirror_count > 1 &&
+ layout_attr->la_valid & LA_LAYOUT_VERSION) {
+ /* mirror merge exec phase */
+ layout_attr->la_layout_version =
+ lo->ldo_layout_gen;
+ data.locd_attr = layout_attr;
+ data.locd_declare = false;
+ data.locd_stripe_cb =
+ lod_obj_stripe_attr_set_cb;
+ rc = lod_obj_for_each_stripe(env, lo, th,
+ &data);
+ if (rc)
+ RETURN(rc);
+ }
}
RETURN(rc);
} else if (strcmp(name, XATTR_NAME_FID) == 0) {
if (!dto)
continue;
+ if (!dt_object_exists(dto))
+ continue;
+
rc = lod_sub_declare_xattr_del(env, dto, name, th);
if (rc != 0)
break;
static int lod_xattr_del(const struct lu_env *env, struct dt_object *dt,
const char *name, struct thandle *th)
{
- struct dt_object *next = dt_object_child(dt);
- struct lod_object *lo = lod_dt_obj(dt);
- int rc;
- int i;
+ int rc;
+
ENTRY;
if (!strcmp(name, XATTR_NAME_LOV) || !strcmp(name, XATTR_NAME_LMV))
lod_striping_free(env, lod_dt_obj(dt));
- rc = lod_sub_xattr_del(env, next, name, th);
- if (rc != 0 || !S_ISDIR(dt->do_lu.lo_header->loh_attr))
- RETURN(rc);
-
- if (!strcmp(name, XATTR_NAME_LMV))
- RETURN(0);
-
- if (lo->ldo_dir_stripe_count == 0)
- RETURN(0);
-
- for (i = 0; i < lo->ldo_dir_stripe_count; i++) {
- struct dt_object *dto = lo->ldo_stripe[i];
-
- if (!dto)
- continue;
-
- rc = lod_sub_xattr_del(env, dto, name, th);
- if (rc != 0)
- break;
- }
+ rc = lod_xattr_del_internal(env, dt, name, th);
RETURN(rc);
}
static int lod_get_default_lov_striping(const struct lu_env *env,
struct lod_object *lo,
struct lod_default_striping *lds,
- struct dt_allocation_hint *ah)
+ struct dt_allocation_hint *dah)
{
struct lod_thread_info *info = lod_env_info(env);
struct lov_user_md_v1 *v1 = NULL;
struct lov_user_md_v3 *v3 = NULL;
- struct lov_comp_md_v1 *comp_v1 = NULL;
- __u16 comp_cnt;
- __u16 mirror_cnt;
- bool composite;
+ struct lov_comp_md_v1 *lcm = NULL;
+ __u32 magic;
+ int append_stripe_count = dah != NULL ? dah->dah_append_stripe_count : 0;
+ const char *append_pool = (dah != NULL &&
+ dah->dah_append_pool != NULL &&
+ dah->dah_append_pool[0] != '\0') ?
+ dah->dah_append_pool : NULL;
+ __u16 entry_count = 1;
+ __u16 mirror_count = 0;
+ bool want_composite = false;
int rc, i, j;
ENTRY;
+ lds->lds_def_striping_set = 0;
+
rc = lod_get_lov_ea(env, lo);
if (rc < 0)
RETURN(rc);
if (rc < (typeof(rc))sizeof(struct lov_user_md))
RETURN(0);
- v1 = info->lti_ea_store;
- if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1)) {
- lustre_swab_lov_user_md_v1(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_SPECIFIC)) {
- v3 = (struct lov_user_md_v3 *)v1;
+ magic = *(__u32 *)info->lti_ea_store;
+ if (magic == __swab32(LOV_USER_MAGIC_V1)) {
+ lustre_swab_lov_user_md_v1(info->lti_ea_store);
+ } else if (magic == __swab32(LOV_USER_MAGIC_V3)) {
+ lustre_swab_lov_user_md_v3(info->lti_ea_store);
+ } else if (magic == __swab32(LOV_USER_MAGIC_SPECIFIC)) {
+ v3 = (struct lov_user_md_v3 *)info->lti_ea_store;
lustre_swab_lov_user_md_v3(v3);
lustre_swab_lov_user_md_objects(v3->lmm_objects,
v3->lmm_stripe_count);
- } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_COMP_V1) ||
- v1->lmm_magic == __swab32(LOV_USER_MAGIC_SEL)) {
- comp_v1 = (struct lov_comp_md_v1 *)v1;
- lustre_swab_lov_comp_md_v1(comp_v1);
+ } else if (magic == __swab32(LOV_USER_MAGIC_COMP_V1) ||
+ magic == __swab32(LOV_USER_MAGIC_SEL)) {
+ lustre_swab_lov_comp_md_v1(info->lti_ea_store);
}
- if (v1->lmm_magic != LOV_MAGIC_V3 && v1->lmm_magic != LOV_MAGIC_V1 &&
- v1->lmm_magic != LOV_MAGIC_COMP_V1 &&
- v1->lmm_magic != LOV_MAGIC_SEL &&
- v1->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
+ switch (magic) {
+ case LOV_MAGIC_V1:
+ case LOV_MAGIC_V3:
+ case LOV_USER_MAGIC_SPECIFIC:
+ v1 = info->lti_ea_store;
+ break;
+ case LOV_MAGIC_COMP_V1:
+ case LOV_MAGIC_SEL:
+ lcm = info->lti_ea_store;
+ entry_count = lcm->lcm_entry_count;
+ if (entry_count == 0)
+ RETURN(-EINVAL);
+
+ mirror_count = lcm->lcm_mirror_count + 1;
+ want_composite = true;
+ break;
+ default:
RETURN(-ENOTSUPP);
+ }
- if ((v1->lmm_magic == LOV_MAGIC_COMP_V1 ||
- v1->lmm_magic == LOV_MAGIC_SEL) &&
- !(ah && ah->dah_append_stripes)) {
- comp_v1 = (struct lov_comp_md_v1 *)v1;
- comp_cnt = comp_v1->lcm_entry_count;
- if (comp_cnt == 0)
- RETURN(-EINVAL);
- mirror_cnt = comp_v1->lcm_mirror_count + 1;
- composite = true;
- } else {
- comp_cnt = 1;
- mirror_cnt = 0;
- composite = false;
+ if (append_stripe_count != 0 || append_pool != NULL) {
+ entry_count = 1;
+ mirror_count = 0;
+ want_composite = false;
}
/* realloc default comp entries if necessary */
- rc = lod_def_striping_comp_resize(lds, comp_cnt);
+ rc = lod_def_striping_comp_resize(lds, entry_count);
if (rc < 0)
RETURN(rc);
- lds->lds_def_comp_cnt = comp_cnt;
- lds->lds_def_striping_is_composite = composite;
- lds->lds_def_mirror_cnt = mirror_cnt;
+ lds->lds_def_comp_cnt = entry_count;
+ lds->lds_def_striping_is_composite = want_composite;
+ lds->lds_def_mirror_cnt = mirror_count;
- for (i = 0; i < comp_cnt; i++) {
- struct lod_layout_component *lod_comp;
- char *pool;
+ for (i = 0; i < entry_count; i++) {
+ struct lod_layout_component *llc = &lds->lds_def_comp_entries[i];
+ const 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.
+ * reset llc values, llc_stripes is always NULL in the
+ * default striping template, llc_pool will be reset
+ * later below using lod_set_pool().
+ *
+ * XXX At this point llc_pool may point to valid (!)
+ * kmalloced strings from previous RPCs.
*/
- 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);
- lod_comp->llc_extent =
- comp_v1->lcm_entries[i].lcme_extent;
- /* We only inherit certain flags from the layout */
- lod_comp->llc_flags =
- comp_v1->lcm_entries[i].lcme_flags &
+ memset(llc, 0, offsetof(typeof(*llc), llc_pool));
+
+ if (lcm != NULL) {
+ v1 = (struct lov_user_md *)((char *)lcm +
+ lcm->lcm_entries[i].lcme_offset);
+
+ if (want_composite) {
+ llc->llc_extent = lcm->lcm_entries[i].lcme_extent;
+ /* We only inherit certain flags from the layout */
+ llc->llc_flags = lcm->lcm_entries[i].lcme_flags &
LCME_TEMPLATE_FLAGS;
+ }
}
+ CDEBUG(D_LAYOUT, DFID" magic = %#08x, pattern = %#x, stripe_count = %hu, stripe_size = %u, stripe_offset = %hu, append_pool = '%s', append_stripe_count = %d\n",
+ PFID(lu_object_fid(&lo->ldo_obj.do_lu)),
+ v1->lmm_magic,
+ v1->lmm_pattern,
+ v1->lmm_stripe_count,
+ v1->lmm_stripe_size,
+ v1->lmm_stripe_offset,
+ append_pool ?: "",
+ append_stripe_count);
+
if (!lov_pattern_supported(v1->lmm_pattern) &&
!(v1->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
lod_free_def_comp_entries(lds);
RETURN(-EINVAL);
}
- CDEBUG(D_LAYOUT, DFID" stripe_count=%d stripe_size=%d stripe_offset=%d append_stripes=%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,
- ah ? ah->dah_append_stripes : 0);
+ llc->llc_stripe_count = v1->lmm_stripe_count;
+ llc->llc_stripe_size = v1->lmm_stripe_size;
+ llc->llc_stripe_offset = v1->lmm_stripe_offset;
+ llc->llc_pattern = v1->lmm_pattern;
- if (ah && ah->dah_append_stripes)
- lod_comp->llc_stripe_count = ah->dah_append_stripes;
- else
- lod_comp->llc_stripe_count = v1->lmm_stripe_count;
- lod_comp->llc_stripe_size = v1->lmm_stripe_size;
- lod_comp->llc_stripe_offset = v1->lmm_stripe_offset;
- lod_comp->llc_pattern = v1->lmm_pattern;
+ if (append_stripe_count != 0 || append_pool != NULL)
+ llc->llc_pattern = LOV_PATTERN_RAID0;
+
+ if (append_stripe_count != 0)
+ llc->llc_stripe_count = append_stripe_count;
pool = NULL;
- if (ah && ah->dah_append_pool && ah->dah_append_pool[0]) {
- pool = ah->dah_append_pool;
+ if (append_pool != NULL) {
+ pool = append_pool;
} else if (v1->lmm_magic == LOV_USER_MAGIC_V3) {
/* XXX: sanity check here */
- v3 = (struct lov_user_md_v3 *) v1;
+ 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);
- if (v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
+
+ lod_set_pool(&llc->llc_pool, pool);
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC &&
+ append_stripe_count == 0 &&
+ append_pool == NULL) {
v3 = (struct lov_user_md_v3 *)v1;
- rc = lod_comp_copy_ost_lists(lod_comp, v3);
+ rc = lod_comp_copy_ost_lists(llc, v3);
if (rc)
RETURN(rc);
- } else if (lod_comp->llc_ostlist.op_array &&
- lod_comp->llc_ostlist.op_count) {
- for (j = 0; j < lod_comp->llc_ostlist.op_count; j++)
- lod_comp->llc_ostlist.op_array[j] = -1;
- lod_comp->llc_ostlist.op_count = 0;
+ } else if (llc->llc_ostlist.op_array &&
+ llc->llc_ostlist.op_count) {
+ for (j = 0; j < llc->llc_ostlist.op_count; j++)
+ llc->llc_ostlist.op_array[j] = -1;
+ llc->llc_ostlist.op_count = 0;
}
}
RETURN(rc);
}
+static inline void lod_lum2lds(struct lod_default_striping *lds,
+ const struct lmv_user_md *lum)
+{
+ lds->lds_dir_def_stripe_count = le32_to_cpu(lum->lum_stripe_count);
+ lds->lds_dir_def_stripe_offset = le32_to_cpu(lum->lum_stripe_offset);
+ lds->lds_dir_def_hash_type = le32_to_cpu(lum->lum_hash_type);
+ lds->lds_dir_def_max_inherit = lum->lum_max_inherit;
+ lds->lds_dir_def_max_inherit_rr = lum->lum_max_inherit_rr;
+ lds->lds_dir_def_striping_set = 1;
+}
+
/**
* Get default directory striping.
*
struct lod_thread_info *info = lod_env_info(env);
lmu = info->lti_ea_store;
-
- lds->lds_dir_def_stripe_count =
- le32_to_cpu(lmu->lum_stripe_count);
- lds->lds_dir_def_stripe_offset =
- le32_to_cpu(lmu->lum_stripe_offset);
- lds->lds_dir_def_hash_type =
- le32_to_cpu(lmu->lum_hash_type);
- lds->lds_dir_def_striping_set = 1;
+ lod_lum2lds(lds, lmu);
}
return 0;
*/
static int lod_get_default_striping(const struct lu_env *env,
struct lod_object *lo,
+ struct dt_allocation_hint *ah,
struct lod_default_striping *lds)
{
int rc, rc1;
rc = lod_get_default_lov_striping(env, lo, lds, NULL);
- rc1 = lod_get_default_lmv_striping(env, lo, lds);
- if (rc == 0 && rc1 < 0)
- rc = rc1;
+ if (lds->lds_def_striping_set) {
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lod_device *d = lu2lod_dev(lo->ldo_obj.do_lu.lo_dev);
+
+ rc = lod_verify_striping(env, d, lo, &info->lti_buf, false);
+ if (rc)
+ lds->lds_def_striping_set = 0;
+ }
+
+ if (ah->dah_eadata_is_dmv) {
+ lod_lum2lds(lds, ah->dah_eadata);
+ } else if (ah->dah_dmv_imp_inherit) {
+ lds->lds_dir_def_striping_set = 0;
+ } else {
+ rc1 = lod_get_default_lmv_striping(env, lo, lds);
+ if (rc == 0 && rc1 < 0)
+ rc = rc1;
+ }
return rc;
}
struct lod_layout_component *def_comp =
&lds->lds_def_comp_entries[i];
- CDEBUG(D_LAYOUT, "Inherit from default: flags=%#x "
- "size=%hu nr=%u offset=%u pattern=%#x pool=%s\n",
+ CDEBUG(D_LAYOUT,
+ "inherit "DFID" file layout from default: flags=%#x size=%u nr=%u offset=%u pattern=%#x pool=%s\n",
+ PFID(lu_object_fid(&lo->ldo_obj.do_lu)),
def_comp->llc_flags,
def_comp->llc_stripe_size,
def_comp->llc_stripe_count,
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)
+ if (lo->ldo_dir_hash_type == LMV_HASH_TYPE_UNKNOWN)
lo->ldo_dir_hash_type = lds->lds_dir_def_hash_type;
- CDEBUG(D_LAYOUT, "striping from default dir: count:%hu, "
- "offset:%u, hash_type:%u\n",
+ CDEBUG(D_LAYOUT,
+ "inherit "DFID" dir layout from default: count=%hu offset=%u hash_type=%x\n",
+ PFID(lu_object_fid(&lo->ldo_obj.do_lu)),
lo->ldo_dir_stripe_count, lo->ldo_dir_stripe_offset,
lo->ldo_dir_hash_type);
}
}
static inline bool lod_need_inherit_more(struct lod_object *lo, bool from_root,
- char *append_pool)
+ const char *append_pool)
{
struct lod_layout_component *lod_comp;
* This method is used to make a decision on the striping configuration for the
* object being created. It can be taken from the \a parent object if it exists,
* or filesystem's default. The resulting configuration (number of stripes,
- * stripe size/offset, pool name, etc) is stored in the object itself and will
- * be used by the methods like ->doo_declare_create().
+ * stripe size/offset, pool name, hash_type, etc.) is stored in the object
+ * itself and will be used by the methods like ->doo_declare_create().
*
* \see dt_object_operations::do_ah_init() in the API description for details.
*/
LASSERT(child);
- if (ah->dah_append_stripes == -1)
- ah->dah_append_stripes =
+ if (ah->dah_append_stripe_count == -1)
+ ah->dah_append_stripe_count =
d->lod_ost_descs.ltd_lov_desc.ld_tgt_count;
if (likely(parent)) {
if (S_ISDIR(child_mode)) {
const struct lmv_user_md_v1 *lum1 = ah->dah_eadata;
+ int max_stripe_count;
/* other default values are 0 */
- lc->ldo_dir_stripe_offset = -1;
+ lc->ldo_dir_stripe_offset = LMV_OFFSET_DEFAULT;
/* no default striping configuration is needed for
* foreign dirs
*/
if (ah->dah_eadata != NULL && ah->dah_eadata_len != 0 &&
le32_to_cpu(lum1->lum_magic) == LMV_MAGIC_FOREIGN) {
- lc->ldo_dir_is_foreign = true;
+ lc->ldo_is_foreign = true;
/* keep stripe_count 0 and stripe_offset -1 */
CDEBUG(D_INFO, "no default striping for foreign dir\n");
RETURN_EXIT;
}
- /*
- * If parent object is not root directory,
- * then get default striping from parent object.
- */
- if (likely(lp != NULL)) {
- lod_get_default_striping(env, lp, lds);
-
- /* inherit default striping except ROOT */
- if ((lds->lds_def_striping_set ||
- lds->lds_dir_def_striping_set) &&
- !fid_is_root(lod_object_fid(lp)))
- lc->ldo_def_striping = lds;
- }
+ if (likely(lp != NULL))
+ lod_get_default_striping(env, lp, ah, lds);
/* It should always honour the specified stripes */
- /* Note: old client (< 2.7)might also do lfs mkdir, whose EA
- * will have old magic. In this case, we should ignore the
- * stripe count and try to create dir by default stripe.
- */
- if (ah->dah_eadata != NULL && ah->dah_eadata_len != 0 &&
+ if (ah->dah_eadata && ah->dah_eadata_len &&
+ !ah->dah_eadata_is_dmv &&
(le32_to_cpu(lum1->lum_magic) == LMV_USER_MAGIC ||
- le32_to_cpu(lum1->lum_magic) == LMV_USER_MAGIC_SPECIFIC)) {
+ le32_to_cpu(lum1->lum_magic) == LMV_USER_MAGIC_SPECIFIC ||
+ le32_to_cpu(lum1->lum_magic) == LMV_MAGIC_V1)) {
lc->ldo_dir_stripe_count =
le32_to_cpu(lum1->lum_stripe_count);
lc->ldo_dir_stripe_offset =
lc->ldo_dir_hash_type =
le32_to_cpu(lum1->lum_hash_type);
CDEBUG(D_INFO,
- "set dirstripe: count %hu, offset %d, hash %u\n",
+ "set dirstripe: count %hu, offset %d, hash %x\n",
lc->ldo_dir_stripe_count,
(int)lc->ldo_dir_stripe_offset,
lc->ldo_dir_hash_type);
+
+ if (d->lod_mdt_descs.ltd_lmv_desc.ld_active_tgt_count &&
+ lc->ldo_dir_stripe_count < 2 &&
+ lum1->lum_max_inherit != LMV_INHERIT_NONE) {
+ /* when filesystem-wide default LMV is set, dirs
+ * will be created on MDT by space usage, but if
+ * dir is created with "lfs mkdir -c 1 ...", its
+ * subdirs should be kept on the same MDT. To
+ * guarantee this, set default LMV for such dir.
+ */
+ lds->lds_dir_def_stripe_count =
+ le32_to_cpu(lum1->lum_stripe_count);
+ /* if "-1" stripe offset is set, save current
+ * MDT index in default LMV.
+ */
+ if (le32_to_cpu(lum1->lum_stripe_offset) ==
+ LMV_OFFSET_DEFAULT)
+ lds->lds_dir_def_stripe_offset =
+ lod2lu_dev(d)->ld_site->ld_seq_site->ss_node_id;
+ else
+ lds->lds_dir_def_stripe_offset =
+ le32_to_cpu(lum1->lum_stripe_offset);
+ lds->lds_dir_def_hash_type =
+ le32_to_cpu(lum1->lum_hash_type);
+ lds->lds_dir_def_max_inherit =
+ lum1->lum_max_inherit;
+ /* it will be decreased by 1 later in setting */
+ if (lum1->lum_max_inherit >= LMV_INHERIT_END &&
+ lum1->lum_max_inherit < LMV_INHERIT_MAX)
+ lds->lds_dir_def_max_inherit++;
+ lds->lds_dir_def_max_inherit_rr =
+ lum1->lum_max_inherit_rr;
+ lds->lds_dir_def_striping_set = 1;
+ /* don't inherit LOV from ROOT */
+ if (lds->lds_def_striping_set &&
+ fid_is_root(lod_object_fid(lp)))
+ lds->lds_def_striping_set = 0;
+ lc->ldo_def_striping = lds;
+ } else if (lds->lds_def_striping_set &&
+ !fid_is_root(lod_object_fid(lp))) {
+ /* don't inherit default LMV for "lfs mkdir" */
+ lds->lds_dir_def_striping_set = 0;
+ lc->ldo_def_striping = lds;
+ }
} else {
+ /* inherit default striping except ROOT */
+ if ((lds->lds_def_striping_set ||
+ lds->lds_dir_def_striping_set) &&
+ !fid_is_root(lod_object_fid(lp)))
+ lc->ldo_def_striping = lds;
+
/* transfer defaults LMV to new directory */
lod_striping_from_default(lc, lds, child_mode);
/* set count 0 to create normal directory */
if (lc->ldo_dir_stripe_count == 1)
lc->ldo_dir_stripe_count = 0;
+
+ /* do not save default LMV on server */
+ if (ah->dah_dmv_imp_inherit) {
+ lds->lds_dir_def_striping_set = 0;
+ if (!lds->lds_def_striping_set)
+ lc->ldo_def_striping = NULL;
+ }
}
- /* shrink the stripe_count to the avaible MDT count */
- if (lc->ldo_dir_stripe_count > d->lod_remote_mdt_count + 1 &&
- !OBD_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE)) {
- lc->ldo_dir_stripe_count = d->lod_remote_mdt_count + 1;
+ /* shrink the stripe count to max_mdt_stripecount if it is -1
+ * and max_mdt_stripecount is not 0
+ */
+ if (lc->ldo_dir_stripe_count == (__u16)(-1) &&
+ d->lod_max_mdt_stripecount)
+ lc->ldo_dir_stripe_count = d->lod_max_mdt_stripecount;
+
+ max_stripe_count = d->lod_remote_mdt_count + 1;
+ if (lc->ldo_dir_hash_type & LMV_HASH_FLAG_OVERSTRIPED)
+ max_stripe_count =
+ max_stripe_count * LMV_MAX_STRIPES_PER_MDT;
+
+ /* shrink the stripe_count to max stripe count */
+ if (lc->ldo_dir_stripe_count > max_stripe_count &&
+ !CFS_FAIL_CHECK(OBD_FAIL_LARGE_STRIPE)) {
+ lc->ldo_dir_stripe_count = max_stripe_count;
if (lc->ldo_dir_stripe_count == 1)
lc->ldo_dir_stripe_count = 0;
}
- if (!(lc->ldo_dir_hash_type & LMV_HASH_TYPE_MASK))
- lc->ldo_dir_hash_type |=
+ if (!lmv_is_known_hash_type(lc->ldo_dir_hash_type))
+ lc->ldo_dir_hash_type =
+ (lc->ldo_dir_hash_type & LMV_HASH_FLAG_KNOWN) |
d->lod_mdt_descs.ltd_lmv_desc.ld_pattern;
- CDEBUG(D_INFO, "final dir stripe [%hu %d %u]\n",
+ /* make sure all fscrypt metadata stays on same mdt */
+ if (child->do_lu.lo_header->loh_attr & LOHA_FSCRYPT_MD) {
+ lc->ldo_dir_stripe_count = 0;
+ lds->lds_dir_def_stripe_offset =
+ lod2lu_dev(d)->ld_site->ld_seq_site->ss_node_id;
+ lds->lds_dir_def_striping_set = 1;
+ lc->ldo_def_striping = lds;
+ }
+
+ CDEBUG(D_INFO, "final dir stripe_count=%hu offset=%d hash=%x\n",
lc->ldo_dir_stripe_count,
(int)lc->ldo_dir_stripe_offset, lc->ldo_dir_hash_type);
*/
if (likely(lp != NULL)) {
rc = lod_get_default_lov_striping(env, lp, lds, ah);
- if (rc == 0)
- lod_striping_from_default(lc, lds, child_mode);
+ if (rc == 0 && lds->lds_def_striping_set) {
+ rc = lod_verify_striping(env, d, lp, &info->lti_buf,
+ false);
+ if (rc == 0)
+ lod_striping_from_default(lc, lds, child_mode);
+ }
}
/* Initialize lod_device::lod_md_root object reference */
lod_need_inherit_more(lc, true, ah->dah_append_pool)) {
rc = lod_get_default_lov_striping(env, d->lod_md_root, lds,
ah);
+ if (rc || !lds->lds_def_striping_set)
+ goto out;
+
+ rc = lod_verify_striping(env, d, d->lod_md_root, &info->lti_buf,
+ false);
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) {
LASSERT(!lc->ldo_is_composite);
lod_comp = &lc->ldo_comp_entries[0];
desc = &d->lod_ost_descs.ltd_lov_desc;
- lod_adjust_stripe_info(lod_comp, desc, ah->dah_append_stripes);
+ lod_adjust_stripe_info(lod_comp, desc,
+ ah->dah_append_stripe_count);
if (ah->dah_append_pool && ah->dah_append_pool[0])
lod_obj_set_pool(lc, 0, ah->dah_append_pool);
}
int rc;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_ALLOC_OBDO))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_ALLOC_OBDO))
GOTO(out, rc = -ENOMEM);
if (!dt_object_remote(next)) {
} else if (dof->dof_type == DFT_DIR) {
struct seq_server_site *ss;
struct lu_buf buf = { NULL };
- struct lu_buf *lmu = NULL;
ss = lu_site2seq(dt->do_lu.lo_dev->ld_site);
* striped directory with specified stripeEA, then it
* should ignore the default stripeEA */
if (hint != NULL && hint->dah_eadata == NULL) {
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_STALE_DIR_LAYOUT))
+ if (CFS_FAIL_CHECK(OBD_FAIL_MDS_STALE_DIR_LAYOUT))
GOTO(out, rc = -EREMOTE);
- if (lo->ldo_dir_stripe_offset == LMV_OFFSET_DEFAULT) {
- struct lod_default_striping *lds;
-
- lds = lo->ldo_def_striping;
- /*
- * child and parent should be on the same MDT,
- * but if parent has default LMV, and the start
- * MDT offset is -1, it's allowed. This check
- * is not necessary after 2.12.22 because client
- * follows this already, but old client may not.
- */
- if (hint->dah_parent &&
- dt_object_remote(hint->dah_parent) && lds &&
- lds->lds_dir_def_stripe_offset !=
- LMV_OFFSET_DEFAULT)
- GOTO(out, rc = -EREMOTE);
- } else if (lo->ldo_dir_stripe_offset !=
- ss->ss_node_id) {
+ if (lo->ldo_dir_stripe_offset != LMV_OFFSET_DEFAULT &&
+ lo->ldo_dir_stripe_offset != ss->ss_node_id) {
struct lod_device *lod;
struct lu_tgt_desc *mdt = NULL;
bool found_mdt = false;
GOTO(out, rc = -EINVAL);
}
} else if (hint && hint->dah_eadata) {
- lmu = &buf;
- lmu->lb_buf = (void *)hint->dah_eadata;
- lmu->lb_len = hint->dah_eadata_len;
+ buf.lb_buf = (void *)hint->dah_eadata;
+ buf.lb_len = hint->dah_eadata_len;
}
- rc = lod_declare_dir_striping_create(env, dt, attr, lmu, dof,
+ rc = lod_declare_dir_striping_create(env, dt, attr, &buf, dof,
th);
}
out:
if (i == lo->ldo_comp_cnt)
RETURN(pflr_id(mirror_id, id));
}
- if (end == LCME_ID_MAX) {
+
+ if (end == SEQ_ID_MAX) {
+ end = min_t(__u32, start, SEQ_ID_MAX) - 1;
start = 1;
- end = min(lo->ldo_layout_gen & LCME_ID_MASK,
- (__u32)(LCME_ID_MAX - 1));
goto again;
}
int rc = 0, i, j;
ENTRY;
+ mutex_lock(&lo->ldo_layout_mutex);
+
LASSERT((lo->ldo_comp_cnt != 0 && lo->ldo_comp_entries != NULL) ||
lo->ldo_is_foreign);
if (lod_comp_inited(lod_comp))
continue;
+ if (lod_comp->llc_magic == LOV_MAGIC_FOREIGN) {
+ lod_comp_set_init(lod_comp);
+ continue;
+ }
+
if (lod_comp->llc_pattern & LOV_PATTERN_F_RELEASED)
lod_comp_set_init(lod_comp);
- if (lov_pattern(lod_comp->llc_pattern) == LOV_PATTERN_MDT)
+ if (lov_pattern(lod_comp->llc_pattern) & LOV_PATTERN_MDT)
lod_comp_set_init(lod_comp);
if (lod_comp->llc_stripe == NULL)
if (rc)
GOTO(out, rc);
+ lo->ldo_comp_cached = 1;
+
rc = lod_generate_and_set_lovea(env, lo, th);
if (rc)
GOTO(out, rc);
- lo->ldo_comp_cached = 1;
+ mutex_unlock(&lo->ldo_layout_mutex);
+
RETURN(0);
out:
- lod_striping_free(env, lo);
+ lod_striping_free_nolock(env, lo);
+ mutex_unlock(&lo->ldo_layout_mutex);
+
RETURN(rc);
}
if (!lo->ldo_comp_cnt)
return false;
- return (lov_pattern(lo->ldo_comp_entries[0].llc_pattern) ==
+ return (lov_pattern(lo->ldo_comp_entries[0].llc_pattern) &
LOV_PATTERN_MDT);
}
{
if (data->locd_declare)
return lod_sub_declare_destroy(env, dt, th);
- else if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
- stripe_idx == cfs_fail_val)
+
+ if (!CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
+ stripe_idx == cfs_fail_val)
return lod_sub_destroy(env, dt, th);
- else
- return 0;
+
+ return 0;
}
/**
if (rc)
RETURN(rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ) ||
- OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ) ||
+ CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
RETURN(0);
if (!lod_obj_is_striped(dt))
if (rc != 0)
RETURN(rc);
- if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ) ||
- OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
+ if (CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ) ||
+ CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_MDTOBJ2))
RETURN(0);
if (!lod_obj_is_striped(dt))
if (!dt_object_exists(stripe))
continue;
- if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
+ if (!CFS_FAIL_CHECK(OBD_FAIL_LFSCK_LOST_SPEOBJ) ||
i == cfs_fail_val) {
dt_write_lock(env, stripe, DT_TGT_CHILD);
rc = lod_sub_ref_del(env, stripe, th);
ldlm_completion_callback completion = einfo->ei_cb_cp;
__u64 dlmflags = LDLM_FL_ATOMIC_CB;
- if (einfo->ei_mode == LCK_PW ||
- einfo->ei_mode == LCK_EX)
- dlmflags |= LDLM_FL_COS_INCOMPAT;
-
LASSERT(ns != NULL);
rc = ldlm_cli_enqueue_local(env, ns, res_id, LDLM_IBITS,
policy, einfo->ei_mode,
if (sfs->os_state & OS_STATFS_ENOSPC ||
sfs->os_state & OS_STATFS_READONLY ||
+ sfs->os_state & OS_STATFS_NOCREATE ||
sfs->os_state & OS_STATFS_DEGRADED) {
- CDEBUG(D_LAYOUT, "ost %d is not availble for SEL "
- "extension, state %u\n", index, sfs->os_state);
+ CDEBUG(D_LAYOUT,
+ "OST%04x unusable for SEL extension, state %x\n",
+ index, sfs->os_state);
ret = false;
break;
}
ENTRY;
/* This makes us work on the components of the chosen mirror */
- start_index = lo->ldo_mirrors[pick].lme_start;
- max_comp = lo->ldo_mirrors[pick].lme_end + 1;
+ if (lo->ldo_mirrors) {
+ start_index = lo->ldo_mirrors[pick].lme_start;
+ max_comp = lo->ldo_mirrors[pick].lme_end + 1;
+ } else {
+ start_index = 0;
+ max_comp = lo->ldo_comp_cnt;
+ }
if (lo->ldo_flr_state == LCM_FL_NONE)
LASSERT(start_index == 0 && max_comp == lo->ldo_comp_cnt);
/* We may have added or removed components. If so, we must update the
* start & ends of all the mirrors after the current one, and the end
* of the current mirror. */
- change = max_comp - 1 - lo->ldo_mirrors[pick].lme_end;
- if (change) {
- lo->ldo_mirrors[pick].lme_end += change;
- for (i = pick + 1; i < lo->ldo_mirror_count; i++) {
- lo->ldo_mirrors[i].lme_start += change;
- lo->ldo_mirrors[i].lme_end += change;
+ if (lo->ldo_mirrors) {
+ change = max_comp - 1 - lo->ldo_mirrors[pick].lme_end;
+ if (change) {
+ lo->ldo_mirrors[pick].lme_end += change;
+ for (i = pick + 1; i < lo->ldo_mirror_count; i++) {
+ lo->ldo_mirrors[i].lme_start += change;
+ lo->ldo_mirrors[i].lme_end += change;
+ }
}
}
/* If striping is already instantiated or INIT'ed DOM? */
static bool lod_is_instantiation_needed(struct lod_layout_component *comp)
{
- return !(((lov_pattern(comp->llc_pattern) == LOV_PATTERN_MDT) &&
+ if (comp->llc_magic == LOV_MAGIC_FOREIGN)
+ return false;
+
+ return !(((lov_pattern(comp->llc_pattern) & LOV_PATTERN_MDT) &&
lod_comp_inited(comp)) || comp->llc_stripe);
}
lod_comp = &lo->ldo_comp_entries[lo->ldo_comp_cnt - 1];
if (lo->ldo_comp_cnt > 1 &&
lod_comp->llc_extent.e_end != OBD_OBJECT_EOF &&
- lod_comp->llc_extent.e_end < layout->li_extent.e_end) {
+ lod_comp->llc_extent.e_end < layout->lai_extent.e_end) {
CDEBUG_LIMIT(replay ? D_ERROR : D_LAYOUT,
"%s: the defined layout [0, %#llx) does not "
"covers the write range "DEXT"\n",
lod2obd(d)->obd_name, lod_comp->llc_extent.e_end,
- PEXT(&layout->li_extent));
+ PEXT(&layout->lai_extent));
GOTO(out, rc = -EINVAL);
}
CDEBUG(D_LAYOUT, "%s: "DFID": update components "DEXT"\n",
lod2obd(d)->obd_name, PFID(lod_object_fid(lo)),
- PEXT(&layout->li_extent));
+ PEXT(&layout->lai_extent));
if (!replay) {
- rc = lod_declare_update_extents(env, lo, &layout->li_extent,
- th, 0, layout->li_opc == LAYOUT_INTENT_WRITE);
+ rc = lod_declare_update_extents(env, lo, &layout->lai_extent,
+ th, 0, layout->lai_opc == LAYOUT_INTENT_WRITE);
if (rc < 0)
GOTO(out, rc);
else if (rc)
for (i = 0; i < lo->ldo_comp_cnt; i++) {
lod_comp = &lo->ldo_comp_entries[i];
- if (lod_comp->llc_extent.e_start >= layout->li_extent.e_end)
+ if (lod_comp->llc_extent.e_start >= layout->lai_extent.e_end)
break;
if (!replay) {
for (i = 0; i < lo->ldo_mirror_count; i++) {
if (i == primary)
continue;
+
rc = lod_declare_update_extents(env, lo, &pri_extent,
th, i, 0);
/* if update_extents changed the layout, it may have
lod_comp->llc_flags |= LCME_FL_STALE;
lo->ldo_mirrors[i].lme_stale = 1;
+ if (lod_is_hsm(lod_comp))
+ lod_comp->llc_foreign_flags |= HS_DIRTY;
}
}
}
}
ost = OST_TGT(lod, idx);
- if (ost->ltd_statfs.os_state &
- (OS_STATFS_READONLY | OS_STATFS_ENOSPC | OS_STATFS_ENOINO |
- OS_STATFS_NOPRECREATE) ||
- ost->ltd_active == 0) {
- CDEBUG(D_LAYOUT, DFID ": mirror %d OST%d unavail, rc = %d\n",
- PFID(lod_object_fid(lo)), index, idx, rc);
+ if (ost->ltd_active == 0) {
+ CDEBUG(D_LAYOUT, DFID ": mirror %d OST%d unavail\n",
+ PFID(lod_object_fid(lo)), index, idx);
return 0;
}
int picked = -1, second_pick = -1, third_pick = -1;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_FLR_RANDOM_PICK_MIRROR)) {
+ if (CFS_FAIL_CHECK(OBD_FAIL_FLR_RANDOM_PICK_MIRROR)) {
get_random_bytes(&seq, sizeof(seq));
seq %= lo->ldo_mirror_count;
}
* cluster.
*/
lod_qos_statfs_update(env, lod, &lod->lod_ost_descs);
+
+ rc = lod_fill_mirrors(lo);
+ if (rc)
+ RETURN(rc);
+
for (i = 0; i < lo->ldo_mirror_count; i++) {
bool ost_avail = true;
int index = (i + seq) % lo->ldo_mirror_count;
}
/* 2nd pick is for the primary mirror containing unavail OST */
- if (lo->ldo_mirrors[index].lme_primary && second_pick < 0)
+ if (lo->ldo_mirrors[index].lme_prefer && second_pick < 0)
second_pick = index;
/* 3rd pick is for non-primary mirror containing unavail OST */
* we found a non-primary 1st pick, we'd like to find a
* potential pirmary mirror.
*/
- if (picked >= 0 && !lo->ldo_mirrors[index].lme_primary)
+ if (picked >= 0 && !lo->ldo_mirrors[index].lme_prefer)
continue;
/* check the availability of OSTs */
* primary with all OSTs are available, this is the perfect
* 1st pick.
*/
- if (lo->ldo_mirrors[index].lme_primary)
+ if (lo->ldo_mirrors[index].lme_prefer)
break;
} /* for all mirrors */
return need_sync ? 0 : -EALREADY;
}
+static struct lod_layout_component *
+lod_locate_comp_hsm(struct lod_object *lo, int *hsm_mirror_id)
+{
+ struct lod_layout_component *lod_comp = NULL;
+ int i;
+
+ if (!lo->ldo_is_composite)
+ return NULL;
+
+ for (i = 0; i < lo->ldo_mirror_count; i++) {
+ /*
+ * FIXME: In the current design, there is only one HSM
+ * mirror component in range [0, EOF] for a FLR file. This
+ * should be fixed to support multiple HSM mirror components
+ * with different HSM backend types and partial file ranges
+ * in the future.
+ */
+ if (lo->ldo_mirrors[i].lme_hsm) {
+ __u16 start_idx;
+ __u16 end_idx;
+
+ if (hsm_mirror_id)
+ *hsm_mirror_id = i;
+ start_idx = lo->ldo_mirrors[i].lme_start;
+ end_idx = lo->ldo_mirrors[i].lme_end;
+ LASSERT(start_idx == end_idx);
+ lod_comp = &lo->ldo_comp_entries[start_idx];
+ LASSERT(lo->ldo_is_composite && lod_is_hsm(lod_comp) &&
+ lod_comp->llc_extent.e_start == 0 &&
+ lod_comp->llc_extent.e_end == LUSTRE_EOF);
+ break;
+ }
+ }
+
+ return lod_comp;
+}
+
+static int lod_declare_pccro_set(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lu_buf *buf = &info->lti_buf;
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lod_layout_component *lod_comp;
+ struct lod_layout_component *comp_array;
+ struct lod_mirror_entry *mirror_array;
+ __u16 mirror_id;
+ int hsm_mirror_id;
+ int mirror_cnt;
+ int new_cnt;
+ int rc;
+ int i;
+
+ ENTRY;
+
+ rc = lod_striping_load(env, lo);
+ if (rc)
+ RETURN(rc);
+
+ if (lo->ldo_flr_state & LCM_FL_PCC_RDONLY)
+ RETURN(-EALREADY);
+
+ rc = lod_layout_data_init(info, lo->ldo_comp_cnt);
+ if (rc)
+ RETURN(rc);
+
+ lod_comp = lod_locate_comp_hsm(lo, &hsm_mirror_id);
+ if (lod_comp) {
+ if (lod_comp->llc_foreign_flags & HS_PCCRO) {
+ CDEBUG(D_LAYOUT, "bad HSM flags: %#x\n",
+ lod_comp->llc_foreign_flags);
+ RETURN(-EINVAL);
+ }
+
+ lod_obj_inc_layout_gen(lo);
+ lod_comp->llc_foreign_flags |= HS_PCCRO;
+ lod_comp->llc_foreign_flags &= ~HS_DIRTY;
+ lod_comp->llc_flags &= ~LCME_FL_STALE;
+ lo->ldo_mirrors[hsm_mirror_id].lme_stale = 0;
+ lo->ldo_flr_state |= LCM_FL_PCC_RDONLY;
+ buf->lb_len = lod_comp_md_size(lo, false);
+ rc = lod_sub_declare_xattr_set(env, lod_object_child(lo),
+ buf, XATTR_NAME_LOV, 0, th);
+ RETURN(rc);
+ }
+
+ /*
+ * Create an new composite layout with only one HSM component.
+ * Field @lhm_archive_uuid is used to be the identifier within HSM
+ * backend for the archive copy. In the PCC case with a POSIX archive,
+ * This can just be the original inode FID. This is important because
+ * the inode FID may change due to layout swaps or migration to a new
+ * MDT, and we do not want that to cause problems with finding the copy
+ * in HSM/PCC.
+ */
+ mirror_cnt = lo->ldo_mirror_count + 1;
+ if (!lo->ldo_is_composite) {
+ LASSERT(lo->ldo_mirror_count == 0);
+ mirror_cnt++;
+ }
+
+ OBD_ALLOC_PTR_ARRAY(mirror_array, mirror_cnt);
+ if (mirror_array == NULL)
+ RETURN(-ENOMEM);
+
+ new_cnt = lo->ldo_comp_cnt + 1;
+ OBD_ALLOC_PTR_ARRAY(comp_array, new_cnt);
+ if (comp_array == NULL) {
+ OBD_FREE_PTR_ARRAY(mirror_array, mirror_cnt);
+ RETURN(-ENOMEM);
+ }
+
+ mirror_id = 0;
+ for (i = 0; i < lo->ldo_comp_cnt; i++) {
+ lod_comp = &lo->ldo_comp_entries[i];
+
+ /*
+ * Add mirror from a non-flr file, create new mirror ID.
+ * Otherwise, keep existing mirror's component ID, used
+ * for mirror extension.
+ */
+ if (lo->ldo_mirror_count == 0 &&
+ mirror_id_of(lod_comp->llc_id) == 0)
+ lod_comp->llc_id = pflr_id(1, i + 1);
+
+ if (lod_comp->llc_id != LCME_ID_INVAL &&
+ mirror_id_of(lod_comp->llc_id) > mirror_id)
+ mirror_id = mirror_id_of(lod_comp->llc_id);
+
+ if (!lo->ldo_is_composite) {
+ lod_comp->llc_extent.e_start = 0;
+ lod_comp->llc_extent.e_end = LUSTRE_EOF;
+ lod_comp_set_init(lod_comp);
+ }
+ }
+
+ memcpy(comp_array, lo->ldo_comp_entries,
+ sizeof(*comp_array) * lo->ldo_comp_cnt);
+
+ lod_comp = &comp_array[new_cnt - 1];
+ lod_comp->llc_magic = LOV_MAGIC_FOREIGN;
+ lod_comp->llc_extent.e_start = 0;
+ lod_comp->llc_extent.e_end = LUSTRE_EOF;
+ lod_comp->llc_length = sizeof(struct lov_hsm_base);
+ lod_comp->llc_type = LU_FOREIGN_TYPE_PCCRO;
+ lod_comp->llc_foreign_flags = HS_EXISTS | HS_ARCHIVED | HS_PCCRO;
+ memset(&lod_comp->llc_hsm, 0, sizeof(lod_comp->llc_hsm));
+
+ if (lo->ldo_mirrors)
+ OBD_FREE_PTR_ARRAY(lo->ldo_mirrors, lo->ldo_mirror_count);
+ OBD_FREE_PTR_ARRAY(lo->ldo_comp_entries, lo->ldo_comp_cnt);
+
+ /*
+ * The @ldo_mirror will be refilled by lod_fill_mirrors() when
+ * call lod_striped_create() for layout change.
+ */
+ lo->ldo_mirrors = mirror_array;
+ lo->ldo_mirror_count = mirror_cnt;
+ lo->ldo_comp_entries = comp_array;
+ lo->ldo_comp_cnt = new_cnt;
+ lo->ldo_is_composite = 1;
+
+ ++mirror_id;
+ lod_comp->llc_id = LCME_ID_INVAL;
+ lod_comp->llc_id = lod_gen_component_id(lo, mirror_id, new_cnt - 1);
+
+ if (lo->ldo_flr_state == LCM_FL_NONE)
+ lo->ldo_flr_state = LCM_FL_RDONLY;
+ lo->ldo_flr_state |= LCM_FL_PCC_RDONLY;
+ buf->lb_len = lod_comp_md_size(lo, false);
+ rc = lod_sub_declare_xattr_set(env, lod_object_child(lo),
+ buf, XATTR_NAME_LOV, 0, th);
+ if (rc)
+ lod_striping_free(env, lo);
+
+ RETURN(rc);
+}
+
+/*
+ * TODO: When clear LCM_FL_PCC_RDONLY flag from the layouts, it means the file
+ * is going to be modified. Currently it needs two RPCs: first one is to clear
+ * LCM_FL_PCC_RDONLY flag; the second one is to pick primary mirror and mark
+ * the file as LCM_FL_WRITE_PENDING.
+ * These two RPCs can be combined in one RPC call.
+ */
+static int lod_declare_pccro_clear(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+ struct lod_object *lo = lod_dt_obj(dt);
+ struct lod_layout_component *lod_comp;
+ int rc;
+
+ ENTRY;
+
+ rc = lod_striping_load(env, lo);
+ if (rc)
+ RETURN(rc);
+
+ if (!(lo->ldo_flr_state & LCM_FL_PCC_RDONLY))
+ RETURN(-EALREADY);
+
+ rc = lod_layout_data_init(info, lo->ldo_comp_cnt);
+ if (rc)
+ RETURN(rc);
+
+ lod_comp = lod_locate_comp_hsm(lo, NULL);
+ if (lod_comp == NULL) {
+ CDEBUG(D_LAYOUT, "Not found any HSM component\n");
+ GOTO(out, rc = -EINVAL);
+ }
+
+ lod_comp->llc_foreign_flags &= ~HS_PCCRO;
+ lo->ldo_flr_state &= ~LCM_FL_PCC_RDONLY;
+ lod_obj_inc_layout_gen(lo);
+ info->lti_buf.lb_len = lod_comp_md_size(lo, false);
+ rc = lod_sub_declare_xattr_set(env, lod_object_child(lo),
+ &info->lti_buf, XATTR_NAME_LOV, 0, th);
+out:
+ if (rc)
+ lod_striping_free(env, lo);
+
+ RETURN(rc);
+}
+
+static int lod_declare_update_pccro(const struct lu_env *env,
+ struct dt_object *dt,
+ struct md_layout_change *mlc,
+ struct thandle *th)
+{
+ struct layout_intent *intent = mlc->mlc_intent;
+ int rc;
+
+ switch (intent->lai_opc) {
+ case LAYOUT_INTENT_PCCRO_SET:
+ rc = lod_declare_pccro_set(env, dt, th);
+ break;
+ case LAYOUT_INTENT_PCCRO_CLEAR:
+ rc = lod_declare_pccro_clear(env, dt, th);
+ break;
+ default:
+ rc = -EOPNOTSUPP;
+ break;
+ }
+
+ return rc;
+}
+
static int lod_declare_update_rdonly(const struct lu_env *env,
struct lod_object *lo, struct md_layout_change *mlc,
struct thandle *th)
if (mlc->mlc_opc == MD_LAYOUT_WRITE) {
struct layout_intent *layout = mlc->mlc_intent;
- int write = layout->li_opc == LAYOUT_INTENT_WRITE;
+ int write = layout->lai_opc == LAYOUT_INTENT_WRITE;
int picked;
- extent = layout->li_extent;
+ extent = layout->lai_extent;
CDEBUG(D_LAYOUT, DFID": trying to write :"DEXT"\n",
PFID(lod_object_fid(lo)), PEXT(&extent));
if (rc < 0)
GOTO(out, rc);
- if (layout->li_opc == LAYOUT_INTENT_TRUNC) {
+ if (layout->lai_opc == LAYOUT_INTENT_TRUNC) {
/**
* trunc transfers [0, size) in the intent extent, we'd
* stale components overlapping [size, eof).
GOTO(out, rc);
/* restore truncate intent extent */
- if (layout->li_opc == LAYOUT_INTENT_TRUNC)
+ if (layout->lai_opc == LAYOUT_INTENT_TRUNC)
extent.e_end = extent.e_start;
/* instantiate components for the picked mirror, start from 0 */
* This way it can make sure that the layout version is
* monotonously increased in this writing era. */
lod_obj_inc_layout_gen(lo);
- if (lo->ldo_layout_gen > (LCME_ID_MAX >> 1)) {
- __u32 layout_version;
-
- get_random_bytes(&layout_version, sizeof(layout_version));
- lo->ldo_layout_gen = layout_version & 0xffff;
- }
rc = lod_declare_instantiate_components(env, lo, th, 0);
if (rc)
GOTO(out, rc);
layout_attr->la_valid = LA_LAYOUT_VERSION;
- layout_attr->la_layout_version = 0; /* set current version */
+ layout_attr->la_layout_version = 0;
if (mlc->mlc_opc == MD_LAYOUT_RESYNC)
layout_attr->la_layout_version = LU_LAYOUT_RESYNC;
rc = lod_declare_attr_set(env, &lo->ldo_obj, layout_attr, th);
LASSERT(mlc->mlc_opc == MD_LAYOUT_WRITE ||
mlc->mlc_opc == MD_LAYOUT_RESYNC);
- /* look for the primary mirror */
+ /* look for the first preferred mirror */
for (i = 0; i < lo->ldo_mirror_count; i++) {
if (lo->ldo_mirrors[i].lme_stale)
continue;
-
- LASSERTF(primary < 0, DFID " has multiple primary: %u / %u\n",
- PFID(lod_object_fid(lo)),
- lo->ldo_mirrors[i].lme_id,
- lo->ldo_mirrors[primary].lme_id);
+ if (lo->ldo_mirrors[i].lme_prefer == 0)
+ continue;
+ if (lo->ldo_mirrors[i].lme_hsm)
+ continue;
primary = i;
+ break;
}
if (primary < 0) {
- CERROR(DFID ": doesn't have a primary mirror\n",
- PFID(lod_object_fid(lo)));
- GOTO(out, rc = -ENODATA);
+ /* no primary, use any in-sync */
+ for (i = 0; i < lo->ldo_mirror_count; i++) {
+ if (lo->ldo_mirrors[i].lme_stale)
+ continue;
+ primary = i;
+ break;
+ }
+ if (primary < 0) {
+ CERROR(DFID ": doesn't have a primary mirror\n",
+ PFID(lod_object_fid(lo)));
+ GOTO(out, rc = -ENODATA);
+ }
}
CDEBUG(D_LAYOUT, DFID": found primary %u\n",
if (mlc->mlc_opc == MD_LAYOUT_WRITE) {
struct layout_intent *layout = mlc->mlc_intent;
- int write = layout->li_opc == LAYOUT_INTENT_WRITE;
+ int write = layout->lai_opc == LAYOUT_INTENT_WRITE;
- LASSERT(mlc->mlc_intent != NULL);
+ LASSERT(layout != NULL);
- extent = mlc->mlc_intent->li_extent;
+ extent = layout->lai_extent;
CDEBUG(D_LAYOUT, DFID": intent to write: "DEXT"\n",
PFID(lod_object_fid(lo)), PEXT(&extent));
if (rc < 0)
GOTO(out, rc);
- if (mlc->mlc_intent->li_opc == LAYOUT_INTENT_TRUNC) {
+ if (layout->lai_opc == LAYOUT_INTENT_TRUNC) {
/**
* trunc transfers [0, size) in the intent extent, we'd
* stale components overlapping [size, eof).
* instantiate [0, mlc->mlc_intent->e_end) */
/* restore truncate intent extent */
- if (mlc->mlc_intent->li_opc == LAYOUT_INTENT_TRUNC)
+ if (layout->lai_opc == LAYOUT_INTENT_TRUNC)
extent.e_end = extent.e_start;
extent.e_start = 0;
if (rc)
GOTO(out, rc);
+ lod_obj_inc_layout_gen(lo);
+
/* 3. transfer layout version to OST objects.
* transfer new layout version to OST objects so that stale writes
* can be denied. It also ends an era of writing by setting
* LU_LAYOUT_RESYNC. Normal client can never use this bit to
* send write RPC; only resync RPCs could do it. */
layout_attr->la_valid = LA_LAYOUT_VERSION;
- layout_attr->la_layout_version = 0; /* set current version */
+ layout_attr->la_layout_version = 0;
if (mlc->mlc_opc == MD_LAYOUT_RESYNC)
layout_attr->la_layout_version = LU_LAYOUT_RESYNC;
rc = lod_declare_attr_set(env, &lo->ldo_obj, layout_attr, th);
if (rc)
GOTO(out, rc);
-
- lod_obj_inc_layout_gen(lo);
out:
if (rc)
lod_striping_free(env, lo);
struct thandle *th)
{
struct lod_thread_info *info = lod_env_info(env);
+ struct lu_attr *layout_attr = &info->lti_layout_attr;
unsigned sync_components = 0;
unsigned resync_components = 0;
int i;
lo->ldo_flr_state = LCM_FL_RDONLY;
lod_obj_inc_layout_gen(lo);
+ layout_attr->la_valid = LA_LAYOUT_VERSION;
+ layout_attr->la_layout_version = 0;
+ rc = lod_declare_attr_set(env, &lo->ldo_obj, layout_attr, th);
+ if (rc)
+ GOTO(out, rc);
+
info->lti_buf.lb_len = lod_comp_md_size(lo, false);
rc = lod_sub_declare_xattr_set(env, lod_object_child(lo),
&info->lti_buf, XATTR_NAME_LOV, 0, th);
if (!lmv_is_sane(lmv))
RETURN(-EINVAL);
- if (!dt_try_as_dir(env, dt))
- return -ENOTDIR;
+ if (!dt_try_as_dir(env, dt, false))
+ RETURN(-ENOTDIR);
dof->dof_type = DFT_DIR;
stripes[i + lo->ldo_dir_stripe_count] = dto;
- if (!dt_try_as_dir(env, dto))
+ if (!dt_try_as_dir(env, dto, true))
GOTO(out, rc = -ENOTDIR);
rc = lod_sub_declare_ref_add(env, dto, th);
OBD_FREE_PTR_ARRAY(lo->ldo_stripe,
lo->ldo_dir_stripes_allocated);
lo->ldo_stripe = stripes;
+ lo->ldo_is_foreign = 0;
lo->ldo_dir_migrate_offset = lo->ldo_dir_stripe_count;
lo->ldo_dir_migrate_hash = le32_to_cpu(lmv->lmv_hash_type);
lo->ldo_dir_stripe_count += stripe_count;
+ lo->ldo_dir_layout_version++;
lo->ldo_dir_stripes_allocated += stripe_count;
/* plain directory split creates target as a plain directory, while
int i;
int rc = 0;
- if (!dt_try_as_dir(env, dt))
+ if (!dt_try_as_dir(env, dt, true))
return -ENOTDIR;
if (!lo->ldo_dir_stripe_count)
if (!dto)
continue;
- if (!dt_try_as_dir(env, dto))
+ if (!dt_try_as_dir(env, dto, true))
return -ENOTDIR;
rc = lod_sub_declare_delete(env, dto,
ENTRY;
- if (!dt_try_as_dir(env, obj))
+ if (!dt_try_as_dir(env, obj, true))
RETURN(-ENOTDIR);
iops = &obj->do_index_ops->dio_it;
struct lod_object *lo = lod_dt_obj(dt);
struct dt_object *next = dt_object_child(dt);
struct lmv_user_md *lmu = mlc->mlc_buf.lb_buf;
- __u32 final_stripe_count;
char *stripe_name = info->lti_key;
struct lu_buf *lmv_buf = &info->lti_buf;
+ __u32 final_stripe_count;
struct dt_object *dto;
int i;
int rc;
LASSERT(lmu);
- if (!dt_try_as_dir(env, dt))
+ if (!dt_try_as_dir(env, dt, true))
return -ENOTDIR;
/* shouldn't be called on plain directory */
continue;
if (i < final_stripe_count) {
- if (final_stripe_count == 1)
- continue;
-
rc = lod_sub_declare_xattr_set(env, dto, lmv_buf,
XATTR_NAME_LMV,
LU_XATTR_REPLACE, th);
struct dt_object_format *dof = &info->lti_format;
struct lmv_user_md_v1 *lum = mlc->mlc_spec->u.sp_ea.eadata;
struct dt_object **stripes;
+ int mdt_count = lod->lod_remote_mdt_count + 1;
u32 stripe_count;
u32 saved_count;
int i;
if (stripe_count <= saved_count)
RETURN(-EINVAL);
+ /* if the split target is overstriped, we need to put that flag in the
+ * current layout so it can allocate the larger number of stripes
+ *
+ * Note we need to pick up any hash *flags* which affect allocation
+ * *before* allocation, so they're used in allocating the directory,
+ * rather than after when we finalize directory setup (at the end of
+ * this function).
+ */
+ if (le32_to_cpu(lum->lum_hash_type) & LMV_HASH_FLAG_OVERSTRIPED)
+ lo->ldo_dir_hash_type |= LMV_HASH_FLAG_OVERSTRIPED;
+
+ if (!(lo->ldo_dir_hash_type & LMV_HASH_FLAG_OVERSTRIPED) &&
+ stripe_count > mdt_count) {
+ RETURN(-E2BIG);
+ } else if ((lo->ldo_dir_hash_type & LMV_HASH_FLAG_OVERSTRIPED) &&
+ (stripe_count > mdt_count * LMV_MAX_STRIPES_PER_MDT ||
+ /* a single MDT doesn't initialize the infrastructure for striped
+ * directories, so we just don't support overstriping in that case
+ */
+ mdt_count == 1)) {
+ RETURN(-E2BIG);
+ }
+
dof->dof_type = DFT_DIR;
OBD_ALLOC(stripes, sizeof(*stripes) * stripe_count);
stripes[i] = lo->ldo_stripe[i];
lod_qos_statfs_update(env, lod, &lod->lod_mdt_descs);
+
rc = lod_mdt_alloc_qos(env, lo, stripes, saved_count, stripe_count);
if (rc == -EAGAIN)
rc = lod_mdt_alloc_rr(env, lo, stripes, saved_count,
OBD_FREE(lo->ldo_stripe,
sizeof(*stripes) * lo->ldo_dir_stripes_allocated);
lo->ldo_stripe = stripes;
+ lo->ldo_is_foreign = 0;
lo->ldo_dir_striped = 1;
lo->ldo_dir_stripe_count = rc;
lo->ldo_dir_stripes_allocated = stripe_count;
lmv->lmv_magic = cpu_to_le32(LMV_MAGIC_STRIPE);
lmv->lmv_stripe_count = cpu_to_le32(final_stripe_count);
lmv->lmv_hash_type = cpu_to_le32(lo->ldo_dir_hash_type) &
- cpu_to_le32(LMV_HASH_TYPE_MASK);
+ cpu_to_le32(LMV_HASH_TYPE_MASK |
+ LMV_HASH_FLAG_FIXED);
lmv->lmv_layout_version =
cpu_to_le32(lo->ldo_dir_layout_version + 1);
+ lmv->lmv_migrate_offset = 0;
+ lmv->lmv_migrate_hash = 0;
for (i = 0; i < lo->ldo_dir_stripe_count; i++) {
dto = lo->ldo_stripe[i];
continue;
if (i < final_stripe_count) {
- /* if only one stripe left, no need to update
- * LMV because this stripe will replace master
- * object and act as a plain directory.
- */
- if (final_stripe_count == 1)
- continue;
-
-
rc = lod_fld_lookup(env, lod,
lu_object_fid(&dto->do_lu),
&mdtidx, &type);
dt_object_remote(dt_object_child(dt)))
RETURN(-EINVAL);
+ if (mlc->mlc_opc == MD_LAYOUT_WRITE) {
+ struct layout_intent *intent = mlc->mlc_intent;
+
+ if (intent->lai_opc == LAYOUT_INTENT_PCCRO_SET ||
+ intent->lai_opc == LAYOUT_INTENT_PCCRO_CLEAR) {
+ if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
+ RETURN(-EINVAL);
+
+ rc = lod_declare_update_pccro(env, dt, mlc, th);
+ RETURN(rc);
+ }
+ }
+
rc = lod_striping_load(env, lo);
if (rc)
GOTO(out, rc);
rc = -ENOTSUPP;
break;
}
+ if (rc == 0)
+ rc = lod_save_layout_gen_intrans(info, lo);
+
out:
RETURN(rc);
}
static int lod_layout_change(const struct lu_env *env, struct dt_object *dt,
struct md_layout_change *mlc, struct thandle *th)
{
+ struct lod_thread_info *info = lod_env_info(env);
struct lu_attr *attr = &lod_env_info(env)->lti_attr;
- struct lu_attr *layout_attr = &lod_env_info(env)->lti_layout_attr;
+ struct lu_attr *layout_attr = &info->lti_layout_attr;
struct lod_object *lo = lod_dt_obj(dt);
int rc;
RETURN(rc);
}
+ rc = lod_check_layout_gen_intrans(info, lo);
+ if (rc > 0) {
+ CDEBUG(D_LAYOUT,
+ "%s: obj "DFID" gen changed from %d to %d in transaction, retry the transaction \n",
+ dt->do_lu.lo_dev->ld_obd->obd_name,
+ PFID(lu_object_fid(&dt->do_lu)),
+ info->lti_gen[rc - 1], lo->ldo_layout_gen);
+ RETURN(-EAGAIN);
+ }
+
rc = lod_striped_create(env, dt, attr, NULL, th);
if (!rc && layout_attr->la_valid & LA_LAYOUT_VERSION) {
layout_attr->la_layout_version |= lo->ldo_layout_gen;
RETURN(rc);
}
-struct dt_object_operations lod_obj_ops = {
+const struct dt_object_operations lod_obj_ops = {
.do_read_lock = lod_read_lock,
.do_write_lock = lod_write_lock,
.do_read_unlock = lod_read_unlock,
* body_ops themselves will check file type inside, see lod_read/write/punch for
* details.
*/
-const struct dt_body_operations lod_body_ops = {
+static const struct dt_body_operations lod_body_ops = {
.dbo_read = lod_read,
.dbo_declare_write = lod_declare_write,
.dbo_write = lod_write,
/**
*
- * Alloc cached foreign LOV
- *
- * \param[in] lo object
- * \param[in] size size of foreign LOV
- *
- * \retval 0 on success
- * \retval negative if failed
- */
-int lod_alloc_foreign_lov(struct lod_object *lo, size_t size)
-{
- OBD_ALLOC_LARGE(lo->ldo_foreign_lov, size);
- if (lo->ldo_foreign_lov == NULL)
- return -ENOMEM;
- lo->ldo_foreign_lov_size = size;
- lo->ldo_is_foreign = 1;
- return 0;
-}
-
-/**
- *
- * Free cached foreign LOV
- *
- * \param[in] lo object
- */
-void lod_free_foreign_lov(struct lod_object *lo)
-{
- if (lo->ldo_foreign_lov != NULL)
- OBD_FREE_LARGE(lo->ldo_foreign_lov, lo->ldo_foreign_lov_size);
- lo->ldo_foreign_lov = NULL;
- lo->ldo_foreign_lov_size = 0;
- lo->ldo_is_foreign = 0;
-}
-
-/**
- *
- * Free cached foreign LMV
- *
- * \param[in] lo object
- */
-void lod_free_foreign_lmv(struct lod_object *lo)
-{
- if (lo->ldo_foreign_lmv != NULL)
- OBD_FREE_LARGE(lo->ldo_foreign_lmv, lo->ldo_foreign_lmv_size);
- lo->ldo_foreign_lmv = NULL;
- lo->ldo_foreign_lmv_size = 0;
- lo->ldo_dir_is_foreign = 0;
-}
-
-/**
- *
* Release resources associated with striping.
*
* If the object is striped (regular or directory), then release
void lod_striping_free_nolock(const struct lu_env *env, struct lod_object *lo)
{
struct lod_layout_component *lod_comp;
+ __u32 obj_attr = lo->ldo_obj.do_lu.lo_header->loh_attr;
int i, j;
if (unlikely(lo->ldo_is_foreign)) {
- lod_free_foreign_lov(lo);
- lo->ldo_comp_cached = 0;
- } else if (unlikely(lo->ldo_dir_is_foreign)) {
- lod_free_foreign_lmv(lo);
- lo->ldo_dir_stripe_loaded = 0;
+ if (S_ISREG(obj_attr)) {
+ lod_free_foreign_lov(lo);
+ lo->ldo_comp_cached = 0;
+ } else if (S_ISDIR(obj_attr)) {
+ lod_free_foreign_lmv(lo);
+ lo->ldo_dir_stripe_loaded = 0;
+ }
} else if (lo->ldo_stripe != NULL) {
LASSERT(lo->ldo_comp_entries == NULL);
LASSERT(lo->ldo_dir_stripes_allocated > 0);
lo->ldo_dir_stripes_allocated = 0;
lo->ldo_dir_stripe_loaded = 0;
lo->ldo_dir_stripe_count = 0;
+ lo->ldo_obj.do_index_ops = NULL;
} 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];
+ /* HSM layout component */
+ if (lod_comp->llc_magic == LOV_MAGIC_FOREIGN)
+ continue;
if (lod_comp->llc_stripe == NULL)
continue;
LASSERT(lod_comp->llc_stripes_allocated != 0);
return (*p)(env, cookie, LUSTRE_LOD_NAME"-object@%p", o);
}
-struct lu_object_operations lod_lu_obj_ops = {
+const struct lu_object_operations lod_lu_obj_ops = {
.loo_object_init = lod_object_init,
.loo_object_free = lod_object_free,
.loo_object_release = lod_object_release,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff