*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _LMV_INTERNAL_H_
int lmv_blocking_ast(struct ldlm_lock *, struct ldlm_lock_desc *,
void *, int);
int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds);
-int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds);
int lmv_fid_alloc(const struct lu_env *env, struct obd_export *exp,
struct lu_fid *fid, struct md_op_data *op_data);
static inline struct obd_device *lmv2obd_dev(struct lmv_obd *lmv)
{
- return container_of0(lmv, struct obd_device, u.lmv);
+ return container_of_safe(lmv, struct obd_device, u.lmv);
}
static inline struct lu_tgt_desc *
lmv_tgt(struct lmv_obd *lmv, __u32 index)
{
- return index < lmv->lmv_mdt_descs.ltd_tgt_bitmap->size ?
+ return index < lmv->lmv_mdt_descs.ltd_tgts_size ?
LTD_TGT(&lmv->lmv_mdt_descs, index) : NULL;
}
static inline bool
lmv_mdt0_inited(struct lmv_obd *lmv)
{
- return lmv->lmv_mdt_descs.ltd_tgt_bitmap->size > 0 &&
- cfs_bitmap_check(lmv->lmv_mdt_descs.ltd_tgt_bitmap, 0);
+ return lmv->lmv_mdt_descs.ltd_tgts_size > 0 &&
+ test_bit(0, lmv->lmv_mdt_descs.ltd_tgt_bitmap);
}
#define lmv_foreach_tgt(lmv, tgt) ltd_foreach_tgt(&(lmv)->lmv_mdt_descs, tgt)
/* for file under migrating directory, return the target stripe info */
static inline const struct lmv_oinfo *
lsm_name_to_stripe_info(const struct lmv_stripe_md *lsm, const char *name,
- int namelen, bool post_migrate)
+ int namelen, bool new_layout)
{
- __u32 hash_type = lsm->lsm_md_hash_type;
- __u32 stripe_count = lsm->lsm_md_stripe_count;
int stripe_index;
LASSERT(lmv_dir_striped(lsm));
- if (hash_type & LMV_HASH_FLAG_MIGRATION) {
- if (post_migrate) {
- hash_type &= ~LMV_HASH_FLAG_MIGRATION;
- stripe_count = lsm->lsm_md_migrate_offset;
- } else {
- hash_type = lsm->lsm_md_migrate_hash;
- stripe_count -= lsm->lsm_md_migrate_offset;
- }
- }
-
- stripe_index = lmv_name_to_stripe_index(hash_type, stripe_count,
- name, namelen);
+ stripe_index = __lmv_name_to_stripe_index(lsm->lsm_md_hash_type,
+ lsm->lsm_md_stripe_count,
+ lsm->lsm_md_migrate_hash,
+ lsm->lsm_md_migrate_offset,
+ name, namelen, new_layout);
if (stripe_index < 0)
return ERR_PTR(stripe_index);
- if ((lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION) && !post_migrate)
- stripe_index += lsm->lsm_md_migrate_offset;
-
- if (stripe_index >= lsm->lsm_md_stripe_count) {
- CERROR("stripe_index %d stripe_count %d hash_type %#x "
- "migrate_offset %d migrate_hash %#x name %.*s\n",
- stripe_index, lsm->lsm_md_stripe_count,
- lsm->lsm_md_hash_type, lsm->lsm_md_migrate_offset,
- lsm->lsm_md_migrate_hash, namelen, name);
- return ERR_PTR(-EBADF);
- }
-
return &lsm->lsm_md_oinfo[stripe_index];
}
if (!lsm)
return false;
- if (lmv_dir_migrating(lsm) && !op_data->op_post_migrate) {
- op_data->op_post_migrate = true;
+ if (lmv_dir_layout_changing(lsm) && !op_data->op_new_layout) {
+ op_data->op_new_layout = true;
return true;
}
struct lmv_tgt_desc *lmv_locate_tgt(struct lmv_obd *lmv,
struct md_op_data *op_data);
+int lmv_old_layout_lookup(struct lmv_obd *lmv, struct md_op_data *op_data);
/* lproc_lmv.c */
int lmv_tunables_init(struct obd_device *obd);
-
#endif