}
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);
/**
*
+ * 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
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;
}
/**
+ *
+ * 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_is_foreign = 0;
+}
+
+/**
* Declare create striped md object.
*
* The function declares intention to create a striped directory. This is a
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);
*
* \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;
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);
return lod->lod_ost_count;
else
return lod_get_stripe_count(lod, lo, comp_idx,
- entry->llc_stripe_count, false);
+ entry->llc_stripe_count,
+ entry->llc_pattern &
+ LOV_PATTERN_OVERSTRIPING);
}
static int lod_comp_md_size(struct lod_object *lo, bool is_dir)
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);
int rc;
ENTRY;
- rc = lod_striping_reload(env, lo, mbuf);
+ rc = lod_striping_reload(env, lo, mbuf, LVF_ALL_STALE);
if (rc)
RETURN(rc);
v3 = buf->lb_buf;
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));
+ strlcpy(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);
+
+ 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 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.
*
/* 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)
lmu, dof, th);
}
} else {
- if (lo->ldo_dir_is_foreign) {
+ 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;
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_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.
*
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) {
if (rc)
RETURN(rc);
- rc = lod_striping_reload(env, lo, buf);
+ rc = lod_striping_reload(env, lo, buf, LVF_ALL_STALE);
if (rc)
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 (append_stripe_count != 0 || append_pool != NULL) {
+ /* Ignore specific striping for append. */
+ } else if (v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
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;
}
}
int rc, rc1;
rc = lod_get_default_lov_striping(env, lo, lds, NULL);
+ 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;
+ }
+
rc1 = lod_get_default_lmv_striping(env, lo, lds);
if (rc == 0 && rc1 < 0)
rc = rc1;
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=%hu 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 (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)) {
+ 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;
- }
-
/* 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
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);
lc->ldo_dir_stripe_count = 0;
}
+ /* 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;
+
/* 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 = 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",
+ CDEBUG(D_INFO, "final dir stripe_count=%hu offset=%d hash=%u\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);
}
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;
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;
/**
*
- * 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 */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff