static int lov_delete_raid0(const struct lu_env *env, struct lov_object *lov, union lov_layout_state *state) { struct lov_layout_raid0 *r0 = &state->raid0; struct lov_stripe_md *lsm = lov->lo_lsm; int i; dump_lsm(D_INODE, lsm); lov_layout_wait(env, lov); if (r0->lo_sub != NULL) { for (i = 0; i < r0->lo_nr; ++i) { struct lovsub_object *los = r0->lo_sub[i]; if (los != NULL) { cl_locks_prune(env, &los->lso_cl, 1); /* * If top-level object is to be evicted from * the cache, so are its sub-objects. */ lov_subobject_kill(env, lov, los, i); } } } cl_object_prune(env, &lov->lo_cl); return 0; }
static int lov_delete_empty(const struct lu_env *env, struct lov_object *lov, union lov_layout_state *state) { LASSERT(lov->lo_type == LLT_EMPTY || lov->lo_type == LLT_RELEASED); lov_layout_wait(env, lov); return 0; }
static int lov_conf_set(const struct lu_env *env, struct cl_object *obj, const struct cl_object_conf *conf) { struct lov_stripe_md *lsm = NULL; struct lov_object *lov = cl2lov(obj); int result = 0; lov_conf_lock(lov); if (conf->coc_opc == OBJECT_CONF_INVALIDATE) { lov->lo_layout_invalid = true; result = 0; goto out; } if (conf->coc_opc == OBJECT_CONF_WAIT) { if (lov->lo_layout_invalid && atomic_read(&lov->lo_active_ios) > 0) { lov_conf_unlock(lov); result = lov_layout_wait(env, lov); lov_conf_lock(lov); } goto out; } LASSERT(conf->coc_opc == OBJECT_CONF_SET); if (conf->u.coc_md) lsm = conf->u.coc_md->lsm; if ((!lsm && !lov->lo_lsm) || ((lsm && lov->lo_lsm) && (lov->lo_lsm->lsm_layout_gen == lsm->lsm_layout_gen) && (lov->lo_lsm->lsm_pattern == lsm->lsm_pattern))) { /* same version of layout */ lov->lo_layout_invalid = false; result = 0; goto out; } /* will change layout - check if there still exists active IO. */ if (atomic_read(&lov->lo_active_ios) > 0) { lov->lo_layout_invalid = true; result = -EBUSY; goto out; } result = lov_layout_change(env, lov, conf); lov->lo_layout_invalid = result != 0; out: lov_conf_unlock(lov); CDEBUG(D_INODE, DFID" lo_layout_invalid=%d\n", PFID(lu_object_fid(lov2lu(lov))), lov->lo_layout_invalid); return result; }
static int lov_conf_set(const struct lu_env *env, struct cl_object *obj, const struct cl_object_conf *conf) { struct lov_stripe_md *lsm = NULL; struct lov_object *lov = cl2lov(obj); int result = 0; ENTRY; lov_conf_lock(lov); if (conf->coc_opc == OBJECT_CONF_INVALIDATE) { lov->lo_layout_invalid = true; GOTO(out, result = 0); } if (conf->coc_opc == OBJECT_CONF_WAIT) { if (lov->lo_layout_invalid && cfs_atomic_read(&lov->lo_active_ios) > 0) { lov_conf_unlock(lov); result = lov_layout_wait(env, lov); lov_conf_lock(lov); } GOTO(out, result); } LASSERT(conf->coc_opc == OBJECT_CONF_SET); if (conf->u.coc_md != NULL) lsm = conf->u.coc_md->lsm; if ((lsm == NULL && lov->lo_lsm == NULL) || (lsm != NULL && lov->lo_lsm != NULL && lov->lo_lsm->lsm_layout_gen == lsm->lsm_layout_gen)) { /* same version of layout */ lov->lo_layout_invalid = false; GOTO(out, result = 0); } /* will change layout - check if there still exists active IO. */ if (cfs_atomic_read(&lov->lo_active_ios) > 0) { lov->lo_layout_invalid = true; GOTO(out, result = -EBUSY); } lov->lo_layout_invalid = lov_layout_change(env, lov, conf); EXIT; out: lov_conf_unlock(lov); RETURN(result); }
static int lov_conf_set(const struct lu_env *env, struct cl_object *obj, const struct cl_object_conf *conf) { struct lov_stripe_md *lsm = NULL; struct lov_object *lov = cl2lov(obj); int result = 0; ENTRY; if (conf->coc_opc == OBJECT_CONF_SET && conf->u.coc_layout.lb_buf != NULL) { lsm = lov_unpackmd(lov_object_dev(lov)->ld_lov, conf->u.coc_layout.lb_buf, conf->u.coc_layout.lb_len); if (IS_ERR(lsm)) RETURN(PTR_ERR(lsm)); } lov_conf_lock(lov); if (conf->coc_opc == OBJECT_CONF_INVALIDATE) { lov->lo_layout_invalid = true; GOTO(out, result = 0); } if (conf->coc_opc == OBJECT_CONF_WAIT) { if (lov->lo_layout_invalid && atomic_read(&lov->lo_active_ios) > 0) { lov_conf_unlock(lov); result = lov_layout_wait(env, lov); lov_conf_lock(lov); } GOTO(out, result); } LASSERT(conf->coc_opc == OBJECT_CONF_SET); if ((lsm == NULL && lov->lo_lsm == NULL) || ((lsm != NULL && lov->lo_lsm != NULL) && (lov->lo_lsm->lsm_layout_gen == lsm->lsm_layout_gen) && (lov->lo_lsm->lsm_pattern == lsm->lsm_pattern))) { /* same version of layout */ lov->lo_layout_invalid = false; GOTO(out, result = 0); } /* will change layout - check if there still exists active IO. */ if (atomic_read(&lov->lo_active_ios) > 0) { lov->lo_layout_invalid = true; GOTO(out, result = -EBUSY); } result = lov_layout_change(env, lov, lsm, conf); lov->lo_layout_invalid = result != 0; EXIT; out: lov_conf_unlock(lov); lov_lsm_put(lsm); CDEBUG(D_INODE, DFID" lo_layout_invalid=%d\n", PFID(lu_object_fid(lov2lu(lov))), lov->lo_layout_invalid); RETURN(result); }