#include <lustre_acl.h>
#include <lustre_param.h>
#include <lustre_quota.h>
+#include <lustre_linkea.h>
mdl_mode_t mdt_mdl_lock_modes[] = {
[LCK_MINMODE] = MDL_MINMODE,
static struct mdt_device *mdt_dev(struct lu_device *d);
static int mdt_unpack_req_pack_rep(struct mdt_thread_info *info, __u32 flags);
-static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
- struct getinfo_fid2path *fp);
static const struct lu_object_operations mdt_obj_ops;
if (name != NULL && (name[0] != '\0')) {
LASSERT(namelen > 0);
lh->mlh_pdo_hash = full_name_hash(name, namelen);
+ /* XXX Workaround for LU-2856
+ * Zero is a valid return value of full_name_hash, but several
+ * users of mlh_pdo_hash assume a non-zero hash value. We
+ * therefore map zero onto an arbitrary, but consistent
+ * value (1) to avoid problems further down the road. */
+ if (unlikely(!lh->mlh_pdo_hash))
+ lh->mlh_pdo_hash = 1;
} else {
LASSERT(namelen == 0);
lh->mlh_pdo_hash = 0ull;
int mdt_getstatus(struct mdt_thread_info *info)
{
- struct mdt_device *mdt = info->mti_mdt;
- struct md_device *next = mdt->mdt_child;
- struct mdt_body *repbody;
- int rc;
-
- ENTRY;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_body *repbody;
+ int rc;
+ ENTRY;
rc = mdt_check_ucred(info);
if (rc)
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETSTATUS_PACK))
RETURN(err_serious(-ENOMEM));
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- rc = next->md_ops->mdo_root_get(info->mti_env, next, &repbody->fid1);
- if (rc != 0)
- RETURN(rc);
-
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody->fid1 = mdt->mdt_md_root_fid;
repbody->valid |= OBD_MD_FLID;
if (mdt->mdt_opts.mo_mds_capa &&
ma->ma_som = &info->mti_u.som.data;
rc = mdt_attr_get_complex(info, o, ma);
- if (unlikely(rc)) {
- CERROR("getattr error for "DFID": %d\n",
- PFID(mdt_object_fid(o)), rc);
- RETURN(rc);
- }
+ if (unlikely(rc)) {
+ CERROR("%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ RETURN(rc);
+ }
is_root = lu_fid_eq(mdt_object_fid(o), &info->mti_mdt->mdt_md_root_fid);
rc = mdt_attr_get_lov(info, root, ma);
mdt_object_put(info->mti_env, root);
if (unlikely(rc)) {
- CERROR("getattr error for "DFID": %d\n",
- PFID(mdt_object_fid(o)), rc);
+ CERROR("%s: getattr error for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
RETURN(rc);
}
}
repbody->eadatasize = ma->ma_lmv_size;
repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
}
- } else if (S_ISLNK(la->la_mode) &&
- reqbody->valid & OBD_MD_LINKNAME) {
- buffer->lb_buf = ma->ma_lmm;
- /* eadatasize from client includes NULL-terminator, so
- * there is no need to read it */
- buffer->lb_len = reqbody->eadatasize - 1;
- rc = mo_readlink(env, next, buffer);
- if (unlikely(rc <= 0)) {
- CERROR("readlink failed: %d\n", rc);
- rc = -EFAULT;
- } else {
+ } else if (S_ISLNK(la->la_mode) &&
+ reqbody->valid & OBD_MD_LINKNAME) {
+ buffer->lb_buf = ma->ma_lmm;
+ /* eadatasize from client includes NULL-terminator, so
+ * there is no need to read it */
+ buffer->lb_len = reqbody->eadatasize - 1;
+ rc = mo_readlink(env, next, buffer);
+ if (unlikely(rc <= 0)) {
+ CERROR("%s: readlink failed for "DFID": rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ rc = -EFAULT;
+ } else {
int print_limit = min_t(int, CFS_PAGE_SIZE - 128, rc);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READLINK_EPROTO))
* because client expects that */
repbody->eadatasize = rc + 1;
if (repbody->eadatasize != reqbody->eadatasize)
- CERROR("Read shorter symlink %d, expected %d\n",
- rc, reqbody->eadatasize - 1);
+ CDEBUG(D_INODE, "%s: Read shorter symlink %d "
+ "on "DFID ", expected %d\n",
+ mdt_obd_name(info->mti_mdt),
+ rc, PFID(mdt_object_fid(o)),
+ reqbody->eadatasize - 1);
/* NULL terminate */
((char *)ma->ma_lmm)[rc] = 0;
rc = 0;
} else if (rc == -EOPNOTSUPP) {
rc = 0;
- } else {
- CERROR("got acl size: %d\n", rc);
- }
+ } else {
+ CERROR("%s: unable to read "DFID
+ " ACL: rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc);
+ }
} else {
repbody->aclsize = rc;
repbody->valid |= OBD_MD_FLACL;
if (IS_ERR(o))
GOTO(out, rc = PTR_ERR(o));
- if (mdt_object_exists(o) < 0) /* remote object */
+ if (mdt_object_remote(o) || !mdt_object_exists(o)) /* remote object */
GOTO(put, rc = -ENOENT);
rc = lu_fid_cmp(&info->mti_body->fid1, &info->mti_body->fid2);
GOTO(put, rc);
msl = req_capsule_client_get(info->mti_pill, &RMF_SWAP_LAYOUTS);
- LASSERT(msl != NULL);
+ if (msl == NULL)
+ GOTO(put, rc = -EPROTO);
lh1 = &info->mti_lh[MDT_LH_NEW];
mdt_lock_reg_init(lh1, LCK_EX);
}
static long mdt_reint_opcode(struct mdt_thread_info *info,
- const struct req_format **fmt)
-{
- struct mdt_rec_reint *rec;
- long opc;
-
- opc = err_serious(-EFAULT);
- rec = req_capsule_client_get(info->mti_pill, &RMF_REC_REINT);
- if (rec != NULL) {
- opc = rec->rr_opcode;
- DEBUG_REQ(D_INODE, mdt_info_req(info), "reint opt = %ld", opc);
- if (opc < REINT_MAX && fmt[opc] != NULL)
- req_capsule_extend(info->mti_pill, fmt[opc]);
- else {
- CERROR("Unsupported opc: %ld\n", opc);
- opc = err_serious(opc);
- }
- }
- return opc;
+ const struct req_format **fmt)
+{
+ struct mdt_rec_reint *rec;
+ long opc;
+
+ rec = req_capsule_client_get(info->mti_pill, &RMF_REC_REINT);
+ if (rec != NULL) {
+ opc = rec->rr_opcode;
+ DEBUG_REQ(D_INODE, mdt_info_req(info), "reint opt = %ld", opc);
+ if (opc < REINT_MAX && fmt[opc] != NULL)
+ req_capsule_extend(info->mti_pill, fmt[opc]);
+ else {
+ CERROR("%s: Unsupported opcode '%ld' from client '%s': "
+ "rc = %d\n", mdt_obd_name(info->mti_mdt), opc,
+ info->mti_mdt->mdt_ldlm_client->cli_name,
+ -EFAULT);
+ opc = err_serious(-EFAULT);
+ }
+ } else {
+ opc = err_serious(-EFAULT);
+ }
+ return opc;
}
int mdt_reint(struct mdt_thread_info *info)
switch (flag) {
case LDLM_CB_BLOCKING:
ldlm_lock2handle(lock, &lockh);
- rc = ldlm_cli_cancel(&lockh);
+ rc = ldlm_cli_cancel(&lockh, LCF_ASYNC);
if (rc < 0) {
CDEBUG(D_INODE, "ldlm_cli_cancel: %d\n", rc);
RETURN(rc);
info->mti_mos = NULL;
memset(&info->mti_attr, 0, sizeof(info->mti_attr));
- info->mti_body = NULL;
+ info->mti_big_buf = LU_BUF_NULL;
+ info->mti_body = NULL;
info->mti_object = NULL;
info->mti_dlm_req = NULL;
info->mti_has_trans = 0;
/* To not check for split by default. */
info->mti_spec.no_create = 0;
+ info->mti_spec.sp_rm_entry = 0;
}
static void mdt_thread_info_fini(struct mdt_thread_info *info)
{
- int i;
+ int i;
- req_capsule_fini(info->mti_pill);
- if (info->mti_object != NULL) {
- mdt_object_put(info->mti_env, info->mti_object);
- info->mti_object = NULL;
- }
- for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
- mdt_lock_handle_fini(&info->mti_lh[i]);
- info->mti_env = NULL;
+ req_capsule_fini(info->mti_pill);
+ if (info->mti_object != NULL) {
+ mdt_object_put(info->mti_env, info->mti_object);
+ info->mti_object = NULL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(info->mti_lh); i++)
+ mdt_lock_handle_fini(&info->mti_lh[i]);
+ info->mti_env = NULL;
+
+ if (unlikely(info->mti_big_buf.lb_buf != NULL))
+ lu_buf_free(&info->mti_big_buf);
}
static int mdt_filter_recovery_request(struct ptlrpc_request *req,
case MDS_SYNC: /* used in unmounting */
case OBD_PING:
case MDS_REINT:
+ case UPDATE_OBJ:
case SEQ_QUERY:
case FLD_QUERY:
case LDLM_ENQUEUE:
/* Get lock from request for possible resent case. */
mdt_intent_fixup_resent(info, *lockp, &new_lock, lhc);
- ldlm_rep->lock_policy_res2 =
- mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
+ rc = mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
+ ldlm_rep->lock_policy_res2 = clear_serious(rc);
if (mdt_get_disposition(ldlm_rep, DISP_LOOKUP_NEG))
ldlm_rep->lock_policy_res2 = 0;
__u64 flags)
{
struct layout_intent *layout;
+ struct lu_fid *fid;
+ struct mdt_object *obj = NULL;
+ struct md_object *child = NULL;
int rc;
ENTRY;
if (opcode != MDT_IT_LAYOUT) {
- CERROR("%s: Unknown intent (%d)\n",
- info->mti_exp->exp_obd->obd_name, opcode);
+ CERROR("%s: Unknown intent (%d)\n", mdt_obd_name(info->mti_mdt),
+ opcode);
RETURN(-EINVAL);
}
+ fid = &info->mti_tmp_fid2;
+ fid_build_from_res_name(fid, &(*lockp)->l_resource->lr_name);
+
+ obj = mdt_object_find(info->mti_env, info->mti_mdt, fid);
+ if (IS_ERR(obj))
+ RETURN(PTR_ERR(obj));
+
+ if (mdt_object_exists(obj) && !mdt_object_remote(obj)) {
+ child = mdt_object_child(obj);
+
+ /* get the length of lsm */
+ rc = mo_xattr_get(info->mti_env, child, &LU_BUF_NULL,
+ XATTR_NAME_LOV);
+
+ if (rc > info->mti_mdt->mdt_max_mdsize)
+ info->mti_mdt->mdt_max_mdsize = rc;
+ }
+
+ mdt_object_put(info->mti_env, obj);
+
(*lockp)->l_lvb_type = LVB_T_LAYOUT;
req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER,
ldlm_lvbo_size(*lockp));
RETURN(0);
CERROR("%s: Unsupported layout intent (%d)\n",
- info->mti_exp->exp_obd->obd_name, layout->li_opc);
+ mdt_obd_name(info->mti_mdt), layout->li_opc);
RETURN(-EINVAL);
}
if (rc != 0)
mdt_set_disposition(info, rep, DISP_LOOKUP_EXECD);
- /* Cross-ref case, the lock should be returned to the client */
- if (rc == -EREMOTE) {
- LASSERT(lustre_handle_is_used(&lhc->mlh_reg_lh));
- rep->lock_policy_res2 = 0;
- rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
- RETURN(rc);
- }
- rep->lock_policy_res2 = clear_serious(rc);
+ /* the open lock or the lock for cross-ref object should be
+ * returned to the client */
+ if (rc == -EREMOTE || mdt_get_disposition(rep, DISP_OPEN_LOCK)) {
+ LASSERT(lustre_handle_is_used(&lhc->mlh_reg_lh));
+ rep->lock_policy_res2 = 0;
+ rc = mdt_intent_lock_replace(info, lockp, NULL, lhc, flags);
+ RETURN(rc);
+ }
+
+ rep->lock_policy_res2 = clear_serious(rc);
if (rep->lock_policy_res2 == -ENOENT &&
mdt_get_disposition(rep, DISP_LOOKUP_NEG))
RETURN(-EROFS);
}
if (rc == 0 && flv->it_act != NULL) {
- /* execute policy */
- rc = flv->it_act(opc, info, lockp, flags);
+ struct ldlm_reply *rep;
+
+ /* execute policy */
+ rc = flv->it_act(opc, info, lockp, flags);
+
+ rep = req_capsule_server_get(pill, &RMF_DLM_REP);
+ rep->lock_policy_res2 =
+ ptlrpc_status_hton(rep->lock_policy_res2);
} else {
rc = -EOPNOTSUPP;
}
* objects (some of them are pinned by osd, for example *
* the proper solution should be a model where object used
* by osd only doesn't have mdt/mdd slices -bzzz */
- lustre_cfg_bufs_reset(bufs, obd->obd_name);
+ lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
lustre_cfg_bufs_set_string(bufs, 1, NULL);
lcfg = lustre_cfg_new(LCFG_PRE_CLEANUP, bufs);
if (!lcfg) {
}
static void mdt_stack_fini(const struct lu_env *env,
- struct mdt_device *m, struct lu_device *top)
+ struct mdt_device *m, struct lu_device *top)
{
- struct obd_device *obd = mdt2obd_dev(m);
- struct lustre_cfg_bufs *bufs;
- struct lustre_cfg *lcfg;
- struct mdt_thread_info *info;
- char flags[3]="";
- ENTRY;
+ struct obd_device *obd = mdt2obd_dev(m);
+ struct lustre_cfg_bufs *bufs;
+ struct lustre_cfg *lcfg;
+ struct mdt_thread_info *info;
+ char flags[3] = "";
+ ENTRY;
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
+ info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
+ LASSERT(info != NULL);
lu_dev_del_linkage(top->ld_site, top);
lu_site_purge(env, top->ld_site, -1);
- bufs = &info->mti_u.bufs;
- /* process cleanup, pass mdt obd name to get obd umount flags */
+ bufs = &info->mti_u.bufs;
+ /* process cleanup, pass mdt obd name to get obd umount flags */
/* another purpose is to let all layers to release their objects */
- lustre_cfg_bufs_reset(bufs, obd->obd_name);
- if (obd->obd_force)
- strcat(flags, "F");
- if (obd->obd_fail)
- strcat(flags, "A");
- lustre_cfg_bufs_set_string(bufs, 1, flags);
- lcfg = lustre_cfg_new(LCFG_CLEANUP, bufs);
- if (!lcfg) {
- CERROR("Cannot alloc lcfg!\n");
- return;
- }
- LASSERT(top);
- top->ld_ops->ldo_process_config(env, top, lcfg);
- lustre_cfg_free(lcfg);
+ lustre_cfg_bufs_reset(bufs, mdt_obd_name(m));
+ if (obd->obd_force)
+ strcat(flags, "F");
+ if (obd->obd_fail)
+ strcat(flags, "A");
+ lustre_cfg_bufs_set_string(bufs, 1, flags);
+ lcfg = lustre_cfg_new(LCFG_CLEANUP, bufs);
+ if (!lcfg) {
+ CERROR("Cannot alloc lcfg!\n");
+ return;
+ }
+ LASSERT(top);
+ top->ld_ops->ldo_process_config(env, top, lcfg);
+ lustre_cfg_free(lcfg);
lu_site_purge(env, top->ld_site, -1);
- m->mdt_child = NULL;
- m->mdt_bottom = NULL;
+ m->mdt_child = NULL;
+ m->mdt_bottom = NULL;
obd_disconnect(m->mdt_child_exp);
m->mdt_child_exp = NULL;
obd = class_name2obd(next);
if (obd == NULL) {
CERROR("%s: can't locate next device: %s\n",
- m->mdt_md_dev.md_lu_dev.ld_obd->obd_name, next);
+ mdt_obd_name(m), next);
GOTO(out, rc = -ENOTCONN);
}
rc = obd_connect(NULL, exp, obd, &obd->obd_uuid, data, NULL);
if (rc) {
CERROR("%s: cannot connect to next dev %s (%d)\n",
- m->mdt_md_dev.md_lu_dev.ld_obd->obd_name, next, rc);
+ mdt_obd_name(m), next, rc);
GOTO(out, rc);
}
site = mdt->mdt_child_exp->exp_obd->obd_lu_dev->ld_site;
LASSERT(site);
- LASSERT(mdt->mdt_md_dev.md_lu_dev.ld_site == NULL);
+ LASSERT(mdt_lu_site(mdt) == NULL);
mdt->mdt_md_dev.md_lu_dev.ld_site = site;
site->ls_top_dev = &mdt->mdt_md_dev.md_lu_dev;
mdt->mdt_child = lu2md_dev(mdt->mdt_child_exp->exp_obd->obd_lu_dev);
cfs_timer_disarm(&m->mdt_ck_timer);
mdt_ck_thread_stop(m);
- /*
- * Finish the stack
- */
- mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
+ /*
+ * Finish the stack
+ */
+ mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
- LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
+ LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
- server_put_mount(mdt2obd_dev(m)->obd_name, NULL);
+ server_put_mount(mdt_obd_name(m), NULL);
- EXIT;
+ EXIT;
}
static int mdt_adapt_sptlrpc_conf(struct obd_device *obd, int initial)
{
- struct mdt_device *m = mdt_dev(obd->obd_lu_dev);
- struct sptlrpc_rule_set tmp_rset;
- int rc;
+ struct mdt_device *m = mdt_dev(obd->obd_lu_dev);
+ struct sptlrpc_rule_set tmp_rset;
+ int rc;
- sptlrpc_rule_set_init(&tmp_rset);
- rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
- if (rc) {
- CERROR("mdt %s: failed get sptlrpc rules: %d\n",
- obd->obd_name, rc);
- return rc;
- }
+ sptlrpc_rule_set_init(&tmp_rset);
+ rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
+ if (rc) {
+ CERROR("mdt %s: failed get sptlrpc rules: %d\n",
+ mdt_obd_name(m), rc);
+ return rc;
+ }
- sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
+ sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
write_lock(&m->mdt_sptlrpc_lock);
- sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
- m->mdt_sptlrpc_rset = tmp_rset;
+ sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
+ m->mdt_sptlrpc_rset = tmp_rset;
write_unlock(&m->mdt_sptlrpc_lock);
- return 0;
+ return 0;
}
int mdt_postrecov(const struct lu_env *, struct mdt_device *);
spin_lock_init(&m->mdt_osfs_lock);
m->mdt_osfs_age = cfs_time_shift_64(-1000);
m->mdt_enable_remote_dir = 0;
+ m->mdt_enable_remote_dir_gid = 0;
m->mdt_md_dev.md_lu_dev.ld_ops = &mdt_lu_ops;
m->mdt_md_dev.md_lu_dev.ld_obd = obd;
/* init the stack */
rc = mdt_stack_init((struct lu_env *)env, m, cfg);
if (rc) {
- CERROR("Can't init device stack, rc %d\n", rc);
+ CERROR("%s: Can't init device stack, rc %d\n",
+ mdt_obd_name(m), rc);
GOTO(err_lmi, rc);
}
- s = m->mdt_md_dev.md_lu_dev.ld_site;
- ss_site = &m->mdt_seq_site;
+ s = mdt_lu_site(m);
+ ss_site = mdt_seq_site(m);
s->ld_seq_site = ss_site;
ss_site->ss_lu = s;
/* No connection accepted until configurations will finish */
obd->obd_no_conn = 1;
- if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
- char *str = lustre_cfg_string(cfg, 4);
- if (strchr(str, 'n')) {
- CWARN("%s: recovery disabled\n", obd->obd_name);
- obd->obd_replayable = 0;
- }
- }
+ if (cfg->lcfg_bufcount > 4 && LUSTRE_CFG_BUFLEN(cfg, 4) > 0) {
+ char *str = lustre_cfg_string(cfg, 4);
+ if (strchr(str, 'n')) {
+ CWARN("%s: recovery disabled\n", mdt_obd_name(m));
+ obd->obd_replayable = 0;
+ }
+ }
rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom);
if (rc)
GOTO(err_fini_stack, rc);
- rc = mdt_fld_init(env, obd->obd_name, m);
+ rc = mdt_fld_init(env, mdt_obd_name(m), m);
if (rc)
GOTO(err_lut, rc);
- rc = mdt_seq_init(env, obd->obd_name, m);
+ rc = mdt_seq_init(env, mdt_obd_name(m), m);
if (rc)
GOTO(err_fini_fld, rc);
- snprintf(info->mti_u.ns_name, sizeof info->mti_u.ns_name,
- LUSTRE_MDT_NAME"-%p", m);
+ snprintf(info->mti_u.ns_name, sizeof(info->mti_u.ns_name), "%s-%s",
+ LUSTRE_MDT_NAME, obd->obd_uuid.uuid);
m->mdt_namespace = ldlm_namespace_new(obd, info->mti_u.ns_name,
LDLM_NAMESPACE_SERVER,
LDLM_NAMESPACE_GREEDY,
else
m->mdt_opts.mo_acl = 0;
- /* XXX: to support suppgid for ACL, we enable identity_upcall
- * by default, otherwise, maybe got unexpected -EACCESS. */
- if (m->mdt_opts.mo_acl)
- identity_upcall = MDT_IDENTITY_UPCALL_PATH;
-
- m->mdt_identity_cache = upcall_cache_init(obd->obd_name,identity_upcall,
- &mdt_identity_upcall_cache_ops);
- if (IS_ERR(m->mdt_identity_cache)) {
- rc = PTR_ERR(m->mdt_identity_cache);
- m->mdt_identity_cache = NULL;
+ /* XXX: to support suppgid for ACL, we enable identity_upcall
+ * by default, otherwise, maybe got unexpected -EACCESS. */
+ if (m->mdt_opts.mo_acl)
+ identity_upcall = MDT_IDENTITY_UPCALL_PATH;
+
+ m->mdt_identity_cache = upcall_cache_init(mdt_obd_name(m),
+ identity_upcall,
+ &mdt_identity_upcall_cache_ops);
+ if (IS_ERR(m->mdt_identity_cache)) {
+ rc = PTR_ERR(m->mdt_identity_cache);
+ m->mdt_identity_cache = NULL;
GOTO(err_llog_cleanup, rc);
- }
+ }
rc = mdt_procfs_init(m, dev);
if (rc) {
rc = mdt->mdt_child->md_ops->mdo_iocontrol(env, mdt->mdt_child,
OBD_IOC_START_LFSCK,
0, NULL);
- if (rc != 0)
- CWARN("Fail to auto trigger paused LFSCK.\n");
-
- rc = mdt->mdt_child->md_ops->mdo_root_get(env, mdt->mdt_child,
- &mdt->mdt_md_root_fid);
- if (rc)
- RETURN(rc);
+ if (rc != 0) {
+ CWARN("%s: auto trigger paused LFSCK failed: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ rc = 0;
+ }
+ if (mdt->mdt_seq_site.ss_node_id == 0) {
+ rc = mdt->mdt_child->md_ops->mdo_root_get(env, mdt->mdt_child,
+ &mdt->mdt_md_root_fid);
+ if (rc)
+ RETURN(rc);
+ }
LASSERT(!test_bit(MDT_FL_CFGLOG, &mdt->mdt_state));
target_recovery_init(&mdt->mdt_lut, mdt_recovery_handle);
set_bit(MDT_FL_CFGLOG, &mdt->mdt_state);
"unexpectedly zero, network data "
"corruption? Refusing connection of this"
" client\n",
- exp->exp_obd->obd_name,
+ mdt_obd_name(mdt),
exp->exp_client_uuid.uuid,
exp, data->ocd_connect_flags, data->ocd_version,
data->ocd_grant, data->ocd_index);
if ((data->ocd_connect_flags & OBD_CONNECT_FID) == 0) {
CWARN("%s: MDS requires FID support, but client not\n",
- mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name);
+ mdt_obd_name(mdt));
return -EBADE;
}
OBD_CONNECT_MDS_MDS |
OBD_CONNECT_SOM))) {
CWARN("%s: MDS has SOM enabled, but client does not support "
- "it\n", mdt->mdt_md_dev.md_lu_dev.ld_obd->obd_name);
+ "it\n", mdt_obd_name(mdt));
return -EBADE;
}
- if (data->ocd_connect_flags & OBD_CONNECT_PINGLESS) {
- if (suppress_pings) {
+ if (OCD_HAS_FLAG(data, PINGLESS)) {
+ if (ptlrpc_pinger_suppress_pings()) {
spin_lock(&exp->exp_obd->obd_dev_lock);
list_del_init(&exp->exp_obd_chain_timed);
spin_unlock(&exp->exp_obd->obd_dev_lock);
RETURN(0);
}
-static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
- void *val, int vallen)
+/** The maximum depth that fid2path() will search.
+ * This is limited only because we want to store the fids for
+ * historical path lookup purposes.
+ */
+#define MAX_PATH_DEPTH 100
+
+/** mdt_path() lookup structure. */
+struct path_lookup_info {
+ __u64 pli_recno; /**< history point */
+ __u64 pli_currec; /**< current record */
+ struct lu_fid pli_fid;
+ struct lu_fid pli_fids[MAX_PATH_DEPTH]; /**< path, in fids */
+ struct mdt_object *pli_mdt_obj;
+ char *pli_path; /**< full path */
+ int pli_pathlen;
+ int pli_linkno; /**< which hardlink to follow */
+ int pli_fidcount; /**< number of \a pli_fids */
+};
+
+static int mdt_links_read(struct mdt_thread_info *info,
+ struct mdt_object *mdt_obj, struct linkea_data *ldata)
{
- struct mdt_device *mdt = mdt_dev(info->mti_exp->exp_obd->obd_lu_dev);
- struct getinfo_fid2path *fpout, *fpin;
- int rc = 0;
+ int rc;
- fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
- fpout = val;
+ LASSERT(ldata->ld_buf->lb_buf != NULL);
+
+ if (!mdt_object_exists(mdt_obj))
+ return -ENODATA;
+
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ if (rc == -ERANGE) {
+ /* Buf was too small, figure out what we need. */
+ lu_buf_free(ldata->ld_buf);
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ if (rc < 0)
+ return rc;
+ ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ ldata->ld_buf, XATTR_NAME_LINK);
+ }
+ if (rc < 0)
+ return rc;
- if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
- lustre_swab_fid2path(fpin);
+ linkea_init(ldata);
- memcpy(fpout, fpin, sizeof(*fpin));
- if (fpout->gf_pathlen != vallen - sizeof(*fpin))
- RETURN(-EINVAL);
+ return 0;
+}
- rc = mdt_fid2path(info->mti_env, mdt, fpout);
- RETURN(rc);
+static int mdt_path_current(struct mdt_thread_info *info,
+ struct path_lookup_info *pli)
+{
+ struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_object *mdt_obj;
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ struct lu_name *tmpname = &info->mti_name;
+ struct lu_fid *tmpfid = &info->mti_tmp_fid1;
+ struct lu_buf *buf = &info->mti_big_buf;
+ char *ptr;
+ int reclen;
+ struct linkea_data ldata = { 0 };
+ int rc = 0;
+ ENTRY;
+
+ /* temp buffer for path element, the buffer will be finally freed
+ * in mdt_thread_info_fini */
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+
+ ldata.ld_buf = buf;
+ ptr = pli->pli_path + pli->pli_pathlen - 1;
+ *ptr = 0;
+ --ptr;
+ pli->pli_fidcount = 0;
+ pli->pli_fids[0] = *(struct lu_fid *)mdt_object_fid(pli->pli_mdt_obj);
+
+ /* root FID only exists on MDT0, and fid2path should also ends at MDT0,
+ * so checking root_fid can only happen on MDT0. */
+ while (!lu_fid_eq(&mdt->mdt_md_root_fid,
+ &pli->pli_fids[pli->pli_fidcount])) {
+ mdt_obj = mdt_object_find(info->mti_env, mdt,
+ &pli->pli_fids[pli->pli_fidcount]);
+ if (IS_ERR(mdt_obj))
+ GOTO(out, rc = PTR_ERR(mdt_obj));
+ if (mdt_object_remote(mdt_obj)) {
+ mdt_object_put(info->mti_env, mdt_obj);
+ GOTO(remote_out, rc = -EREMOTE);
+ }
+ if (!mdt_object_exists(mdt_obj)) {
+ mdt_object_put(info->mti_env, mdt_obj);
+ GOTO(out, rc = -ENOENT);
+ }
+
+ rc = mdt_links_read(info, mdt_obj, &ldata);
+ mdt_object_put(info->mti_env, mdt_obj);
+ if (rc != 0)
+ GOTO(out, rc = PTR_ERR(buf));
+
+ leh = buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
+ linkea_entry_unpack(lee, &reclen, tmpname, tmpfid);
+ /* If set, use link #linkno for path lookup, otherwise use
+ link #0. Only do this for the final path element. */
+ if ((pli->pli_fidcount == 0) &&
+ (pli->pli_linkno < leh->leh_reccount)) {
+ int count;
+ for (count = 0; count < pli->pli_linkno; count++) {
+ lee = (struct link_ea_entry *)
+ ((char *)lee + reclen);
+ linkea_entry_unpack(lee, &reclen, tmpname,
+ tmpfid);
+ }
+ if (pli->pli_linkno < leh->leh_reccount - 1)
+ /* indicate to user there are more links */
+ pli->pli_linkno++;
+ }
+
+ /* Pack the name in the end of the buffer */
+ ptr -= tmpname->ln_namelen;
+ if (ptr - 1 <= pli->pli_path)
+ GOTO(out, rc = -EOVERFLOW);
+ strncpy(ptr, tmpname->ln_name, tmpname->ln_namelen);
+ *(--ptr) = '/';
+
+ /* Store the parent fid for historic lookup */
+ if (++pli->pli_fidcount >= MAX_PATH_DEPTH)
+ GOTO(out, rc = -EOVERFLOW);
+ pli->pli_fids[pli->pli_fidcount] = *tmpfid;
+ }
+
+remote_out:
+ ptr++; /* skip leading / */
+ memmove(pli->pli_path, ptr, pli->pli_path + pli->pli_pathlen - ptr);
+
+ EXIT;
+out:
+ return rc;
+}
+
+/* Returns the full path to this fid, as of changelog record recno. */
+static int mdt_path(struct mdt_thread_info *info, struct mdt_object *obj,
+ char *path, int pathlen, __u64 *recno, int *linkno,
+ struct lu_fid *fid)
+{
+ struct mdt_device *mdt = info->mti_mdt;
+ struct path_lookup_info *pli;
+ int tries = 3;
+ int rc = -EAGAIN;
+ ENTRY;
+
+ if (pathlen < 3)
+ RETURN(-EOVERFLOW);
+
+ if (lu_fid_eq(&mdt->mdt_md_root_fid, mdt_object_fid(obj))) {
+ path[0] = '\0';
+ RETURN(0);
+ }
+
+ OBD_ALLOC_PTR(pli);
+ if (pli == NULL)
+ RETURN(-ENOMEM);
+
+ pli->pli_mdt_obj = obj;
+ pli->pli_recno = *recno;
+ pli->pli_path = path;
+ pli->pli_pathlen = pathlen;
+ pli->pli_linkno = *linkno;
+
+ /* Retry multiple times in case file is being moved */
+ while (tries-- && rc == -EAGAIN)
+ rc = mdt_path_current(info, pli);
+
+ /* return the last resolved fids to the client, so the client will
+ * build the left path on another MDT for remote object */
+ *fid = pli->pli_fids[pli->pli_fidcount];
+
+ *recno = pli->pli_currec;
+ /* Return next link index to caller */
+ *linkno = pli->pli_linkno;
+
+ OBD_FREE_PTR(pli);
+
+ RETURN(rc);
}
-static int mdt_fid2path(const struct lu_env *env, struct mdt_device *mdt,
- struct getinfo_fid2path *fp)
+static int mdt_fid2path(struct mdt_thread_info *info,
+ struct getinfo_fid2path *fp)
{
+ struct mdt_device *mdt = info->mti_mdt;
struct mdt_object *obj;
- struct obd_device *obd = mdt2obd_dev(mdt);
int rc;
ENTRY;
if (!fid_is_sane(&fp->gf_fid))
RETURN(-EINVAL);
- if (!fid_is_client_mdt_visible(&fp->gf_fid)) {
+ if (!fid_is_namespace_visible(&fp->gf_fid)) {
CWARN("%s: "DFID" is invalid, sequence should be "
- ">= "LPX64"\n", obd->obd_name,
- PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
+ ">= "LPX64"\n", mdt_obd_name(mdt),
+ PFID(&fp->gf_fid), (__u64)FID_SEQ_NORMAL);
RETURN(-EINVAL);
}
- obj = mdt_object_find(env, mdt, &fp->gf_fid);
+ obj = mdt_object_find(info->mti_env, mdt, &fp->gf_fid);
if (obj == NULL || IS_ERR(obj)) {
CDEBUG(D_IOCTL, "no object "DFID": %ld\n", PFID(&fp->gf_fid),
- PTR_ERR(obj));
+ PTR_ERR(obj));
RETURN(-EINVAL);
}
rc = -EREMOTE;
else if (!mdt_object_exists(obj))
rc = -ENOENT;
+ else
+ rc = 0;
if (rc < 0) {
- mdt_object_put(env, obj);
+ mdt_object_put(info->mti_env, obj);
CDEBUG(D_IOCTL, "nonlocal object "DFID": %d\n",
- PFID(&fp->gf_fid), rc);
+ PFID(&fp->gf_fid), rc);
RETURN(rc);
}
- rc = mo_path(env, md_object_next(&obj->mot_obj), fp->gf_path,
- fp->gf_pathlen, &fp->gf_recno, &fp->gf_linkno);
- mdt_object_put(env, obj);
+ rc = mdt_path(info, obj, fp->gf_path, fp->gf_pathlen, &fp->gf_recno,
+ &fp->gf_linkno, &fp->gf_fid);
+
+ CDEBUG(D_INFO, "fid "DFID", path %s recno "LPX64" linkno %u\n",
+ PFID(&fp->gf_fid), fp->gf_path, fp->gf_recno, fp->gf_linkno);
+
+ mdt_object_put(info->mti_env, obj);
RETURN(rc);
}
+static int mdt_rpc_fid2path(struct mdt_thread_info *info, void *key,
+ void *val, int vallen)
+{
+ struct getinfo_fid2path *fpout, *fpin;
+ int rc = 0;
+
+ fpin = key + cfs_size_round(sizeof(KEY_FID2PATH));
+ fpout = val;
+
+ if (ptlrpc_req_need_swab(info->mti_pill->rc_req))
+ lustre_swab_fid2path(fpin);
+
+ memcpy(fpout, fpin, sizeof(*fpin));
+ if (fpout->gf_pathlen != vallen - sizeof(*fpin))
+ RETURN(-EINVAL);
+
+ rc = mdt_fid2path(info, fpout);
+ RETURN(rc);
+}
+
int mdt_get_info(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
static int mdt_ioc_version_get(struct mdt_thread_info *mti, void *karg)
{
- struct obd_ioctl_data *data = karg;
- struct lu_fid *fid = (struct lu_fid *)data->ioc_inlbuf1;
- __u64 version;
- struct mdt_object *obj;
- struct mdt_lock_handle *lh;
- int rc;
- ENTRY;
+ struct obd_ioctl_data *data = karg;
+ struct lu_fid *fid;
+ __u64 version;
+ struct mdt_object *obj;
+ struct mdt_lock_handle *lh;
+ int rc;
+ ENTRY;
- CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
- if (!fid_is_sane(fid))
- RETURN(-EINVAL);
+ if (data->ioc_inlbuf1 == NULL || data->ioc_inllen1 != sizeof(*fid) ||
+ data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
+ RETURN(-EINVAL);
+
+ fid = (struct lu_fid *)data->ioc_inlbuf1;
+
+ if (!fid_is_sane(fid))
+ RETURN(-EINVAL);
+
+ CDEBUG(D_IOCTL, "getting version for "DFID"\n", PFID(fid));
lh = &mti->mti_lh[MDT_LH_PARENT];
mdt_lock_reg_init(lh, LCK_CR);
case OBD_IOC_SET_READONLY:
rc = dt->dd_ops->dt_ro(&env, dt);
break;
- case OBD_IOC_ABORT_RECOVERY:
- CERROR("Aborting recovery for device %s\n", obd->obd_name);
- target_stop_recovery_thread(obd);
- rc = 0;
- break;
+ case OBD_IOC_ABORT_RECOVERY:
+ CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
+ target_stop_recovery_thread(obd);
+ rc = 0;
+ break;
case OBD_IOC_CHANGELOG_REG:
case OBD_IOC_CHANGELOG_DEREG:
case OBD_IOC_CHANGELOG_CLEAR:
rc = mdt_ioc_version_get(mti, karg);
break;
}
- default:
- CERROR("Not supported cmd = %d for device %s\n",
- cmd, obd->obd_name);
- rc = -EOPNOTSUPP;
- }
+ default:
+ rc = -EOPNOTSUPP;
+ CERROR("%s: Not supported cmd = %d, rc = %d\n",
+ mdt_obd_name(mdt), cmd, rc);
+ }
lu_env_fini(&env);
RETURN(rc);
struct lprocfs_static_vars lvars;
int rc;
+ CLASSERT(sizeof("0x0123456789ABCDEF:0x01234567:0x01234567") ==
+ FID_NOBRACE_LEN + 1);
+ CLASSERT(sizeof("[0x0123456789ABCDEF:0x01234567:0x01234567]") ==
+ FID_LEN + 1);
rc = lu_kmem_init(mdt_caches);
if (rc)
return rc;