if (repbody->valid & OBD_MD_FLMDSCAPA)
RETURN(rc);
- if (rc == 0 && info->mti_mdt->mdt_opts.mo_mds_capa) {
+ if (rc == 0 && info->mti_mdt->mdt_opts.mo_mds_capa &&
+ info->mti_exp->exp_connect_flags & OBD_CONNECT_MDS_CAPA) {
struct lustre_capa *capa;
capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA1);
RETURN(rc);
}
+int mdt_version_get_check(struct mdt_thread_info *info, int index)
+{
+ /** version recovery */
+ struct md_object *mo;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ __u64 curr_version, *pre_versions;
+ ENTRY;
+
+ if (!exp_connect_vbr(req->rq_export))
+ RETURN(0);
+
+ LASSERT(info->mti_mos[index]);
+ if (mdt_object_exists(info->mti_mos[index]) == 0)
+ RETURN(-ESTALE);
+ mo = mdt_object_child(info->mti_mos[index]);
+
+ curr_version = mo_version_get(info->mti_env, mo);
+ CDEBUG(D_INODE, "Version is "LPX64"\n", curr_version);
+ /** VBR: version is checked always because costs nothing */
+ if (lustre_msg_get_transno(req->rq_reqmsg) != 0) {
+ pre_versions = lustre_msg_get_versions(req->rq_reqmsg);
+ LASSERT(index < PTLRPC_NUM_VERSIONS);
+ /** Sanity check for malformed buffers */
+ if (pre_versions == NULL) {
+ CERROR("No versions in request buffer\n");
+ cfs_spin_lock(&req->rq_export->exp_lock);
+ req->rq_export->exp_vbr_failed = 1;
+ cfs_spin_unlock(&req->rq_export->exp_lock);
+ RETURN(-EOVERFLOW);
+ } else if (pre_versions[index] != curr_version) {
+ CDEBUG(D_INODE, "Version mismatch "LPX64" != "LPX64"\n",
+ pre_versions[index], curr_version);
+ cfs_spin_lock(&req->rq_export->exp_lock);
+ req->rq_export->exp_vbr_failed = 1;
+ cfs_spin_unlock(&req->rq_export->exp_lock);
+ RETURN(-EOVERFLOW);
+ }
+ }
+ /** save pre-versions in reply */
+ LASSERT(req->rq_repmsg != NULL);
+ pre_versions = lustre_msg_get_versions(req->rq_repmsg);
+ if (pre_versions)
+ pre_versions[index] = curr_version;
+ RETURN(0);
+}
+
static int mdt_md_create(struct mdt_thread_info *info)
{
struct mdt_device *mdt = info->mti_mdt;
mdt_fail_write(info->mti_env, info->mti_mdt->mdt_bottom,
OBD_FAIL_MDS_REINT_CREATE_WRITE);
+ info->mti_mos[0] = parent;
+ info->mti_mos[1] = child;
+ rc = mdt_version_get_check(info, 0);
+ if (rc)
+ GOTO(out_put_child, rc);
+
/* Let lower layer know current lock mode. */
info->mti_spec.sp_cr_mode =
mdt_dlm_mode2mdl_mode(lh->mlh_pdo_mode);
* or not.
*/
info->mti_spec.sp_cr_lookup = 1;
+ info->mti_spec.sp_feat = &dt_directory_features;
lname = mdt_name(info->mti_env, (char *)rr->rr_name,
rr->rr_namelen);
mdt_pack_attr2body(info, repbody, &ma->ma_attr,
mdt_object_fid(child));
}
+out_put_child:
mdt_object_put(info->mti_env, child);
} else
rc = PTR_ERR(child);
* the client holds a lock already.
* We use the ATTR_FROM_OPEN (translated into MRF_SETATTR_LOCKED by
* mdt_setattr_unpack()) flag to tell these cases apart. */
-int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo, int flags)
+int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
+ struct md_attr *ma, int flags)
{
- struct md_attr *ma = &info->mti_attr;
struct mdt_lock_handle *lh;
- int som_update = 0;
+ int do_vbr = ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID|LA_FLAGS);
int rc;
ENTRY;
/* attr shouldn't be set on remote object */
LASSERT(mdt_object_exists(mo) >= 0);
- if (info->mti_epoch)
- som_update = (info->mti_epoch->flags & MF_SOM_CHANGE);
-
- /* Try to avoid object_lock if another epoch has been started
- * already. */
- if (som_update && (info->mti_epoch->ioepoch != mo->mot_ioepoch))
- RETURN(0);
-
lh = &info->mti_lh[MDT_LH_PARENT];
mdt_lock_reg_init(lh, LCK_PW);
RETURN(rc);
}
- /* Setattrs are syncronized through dlm lock taken above. If another
- * epoch started, its attributes may be already flushed on disk,
- * skip setattr. */
- if (som_update && (info->mti_epoch->ioepoch != mo->mot_ioepoch))
- GOTO(out_unlock, rc = 0);
-
if (mdt_object_exists(mo) == 0)
GOTO(out_unlock, rc = -ENOENT);
if (unlikely(ma->ma_attr.la_valid == LA_CTIME))
ma->ma_attr_flags |= MDS_VTX_BYPASS;
+ /* VBR: update version if attr changed are important for recovery */
+ if (do_vbr) {
+ info->mti_mos[0] = mo;
+ rc = mdt_version_get_check(info, 0);
+ if (rc)
+ GOTO(out_unlock, rc);
+ }
+
/* all attrs are packed into mti_attr in unpack_setattr */
rc = mo_attr_set(info->mti_env, mdt_object_child(mo), ma);
if (rc != 0)
GOTO(out_unlock, rc);
- /* Re-enable SIZEONMDS. */
- if (som_update) {
- CDEBUG(D_INODE, "Closing epoch "LPU64" on "DFID". Count %d\n",
- mo->mot_ioepoch, PFID(mdt_object_fid(mo)),
- mo->mot_epochcount);
- mdt_sizeonmds_enable(info, mo);
- }
-
EXIT;
out_unlock:
mdt_object_unlock(info, mo, lh, rc);
static int mdt_reint_setattr(struct mdt_thread_info *info,
struct mdt_lock_handle *lhc)
{
- struct mdt_device *mdt = info->mti_mdt;
struct md_attr *ma = &info->mti_attr;
struct mdt_reint_record *rr = &info->mti_rr;
struct ptlrpc_request *req = mdt_info_req(info);
struct mdt_object *mo;
struct md_object *next;
struct mdt_body *repbody;
- int rc;
+ int som_au, rc;
ENTRY;
DEBUG_REQ(D_INODE, req, "setattr "DFID" %x", PFID(rr->rr_fid1),
if (info->mti_dlm_req)
ldlm_request_cancel(req, info->mti_dlm_req, 0);
-
+
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
mo = mdt_object_find(info->mti_env, info->mti_mdt, rr->rr_fid1);
if (IS_ERR(mo))
GOTO(out, rc = PTR_ERR(mo));
+ /* start a log jounal handle if needed */
if (!(mdt_conn_flags(info) & OBD_CONNECT_SOM)) {
if ((ma->ma_attr.la_valid & LA_SIZE) ||
(rr->rr_flags & MRF_SETATTR_LOCKED)) {
/* Check write access for the O_TRUNC case */
- if (mdt_write_read(info->mti_mdt, mo) < 0)
+ if (mdt_write_read(mo) < 0)
GOTO(out_put, rc = -ETXTBSY);
}
- } else if (info->mti_epoch &&
- (info->mti_epoch->flags & MF_EPOCH_OPEN)) {
- /* Truncate case. */
- rc = mdt_write_get(info->mti_mdt, mo);
+ } else if (info->mti_ioepoch &&
+ (info->mti_ioepoch->flags & MF_EPOCH_OPEN)) {
+ /* Truncate case. IOEpoch is opened. */
+ rc = mdt_write_get(mo);
if (rc)
GOTO(out_put, rc);
mfd = mdt_mfd_new();
- if (mfd == NULL)
+ if (mfd == NULL) {
+ mdt_write_put(mo);
GOTO(out_put, rc = -ENOMEM);
+ }
- mdt_epoch_open(info, mo);
+ mdt_ioepoch_open(info, mo, 0);
repbody->ioepoch = mo->mot_ioepoch;
mdt_object_get(info->mti_env, mo);
- mdt_mfd_set_mode(mfd, FMODE_EPOCHLCK);
+ mdt_mfd_set_mode(mfd, FMODE_TRUNC);
mfd->mfd_object = mo;
mfd->mfd_xid = req->rq_xid;
- spin_lock(&med->med_open_lock);
- list_add(&mfd->mfd_list, &med->med_open_head);
- spin_unlock(&med->med_open_lock);
+ cfs_spin_lock(&med->med_open_lock);
+ cfs_list_add(&mfd->mfd_list, &med->med_open_head);
+ cfs_spin_unlock(&med->med_open_lock);
repbody->handle.cookie = mfd->mfd_handle.h_cookie;
}
- if (info->mti_epoch && (info->mti_epoch->flags & MF_SOM_CHANGE))
- ma->ma_attr_flags |= MDS_PERM_BYPASS | MDS_SOM;
-
- rc = mdt_attr_set(info, mo, rr->rr_flags);
- if (rc)
- GOTO(out_put, rc);
-
- if (info->mti_epoch && (info->mti_epoch->flags & MF_SOM_CHANGE)) {
+ som_au = info->mti_ioepoch && info->mti_ioepoch->flags & MF_SOM_CHANGE;
+ if (som_au) {
+ /* SOM Attribute update case. Find the proper mfd and update
+ * SOM attributes on the proper object. */
LASSERT(mdt_conn_flags(info) & OBD_CONNECT_SOM);
- LASSERT(info->mti_epoch);
+ LASSERT(info->mti_ioepoch);
- spin_lock(&med->med_open_lock);
- /* Size-on-MDS Update. Find and free mfd. */
- mfd = mdt_handle2mfd(info, &info->mti_epoch->handle);
+ cfs_spin_lock(&med->med_open_lock);
+ mfd = mdt_handle2mfd(info, &info->mti_ioepoch->handle);
if (mfd == NULL) {
- spin_unlock(&med->med_open_lock);
- CDEBUG(D_INODE | D_ERROR, "no handle for file close: "
- "fid = "DFID": cookie = "LPX64"\n",
- PFID(info->mti_rr.rr_fid1),
- info->mti_epoch->handle.cookie);
+ cfs_spin_unlock(&med->med_open_lock);
+ CDEBUG(D_INODE, "no handle for file close: "
+ "fid = "DFID": cookie = "LPX64"\n",
+ PFID(info->mti_rr.rr_fid1),
+ info->mti_ioepoch->handle.cookie);
GOTO(out_put, rc = -ESTALE);
}
LASSERT(mfd->mfd_mode == FMODE_SOM);
- LASSERT(!(info->mti_epoch->flags & MF_EPOCH_CLOSE));
+ LASSERT(!(info->mti_ioepoch->flags & MF_EPOCH_CLOSE));
class_handle_unhash(&mfd->mfd_handle);
- list_del_init(&mfd->mfd_list);
- spin_unlock(&med->med_open_lock);
+ cfs_list_del_init(&mfd->mfd_list);
+ cfs_spin_unlock(&med->med_open_lock);
+
+ /* Close the found mfd, update attributes. */
+ ma->ma_lmm_size = info->mti_mdt->mdt_max_mdsize;
+ OBD_ALLOC(ma->ma_lmm, ma->ma_lmm_size);
+ if (ma->ma_lmm == NULL)
+ GOTO(out_put, rc = -ENOMEM);
mdt_mfd_close(info, mfd);
+
+ OBD_FREE(ma->ma_lmm, ma->ma_lmm_size);
+ } else {
+ rc = mdt_attr_set(info, mo, ma, rr->rr_flags);
+ if (rc)
+ GOTO(out_put, rc);
}
ma->ma_need = MA_INODE;
mdt_pack_attr2body(info, repbody, &ma->ma_attr, mdt_object_fid(mo));
- if (mdt->mdt_opts.mo_oss_capa &&
+ if (info->mti_mdt->mdt_opts.mo_oss_capa &&
+ info->mti_exp->exp_connect_flags & OBD_CONNECT_OSS_CAPA &&
S_ISREG(lu_object_attr(&mo->mot_obj.mo_lu)) &&
- (ma->ma_attr.la_valid & LA_SIZE)) {
+ (ma->ma_attr.la_valid & LA_SIZE) && !som_au) {
struct lustre_capa *capa;
capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA2);
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_UNLINK))
RETURN(err_serious(-ENOENT));
- /* step 1: lock the parent */
+ /*
+ * step 1: lock the parent. Note, this may be child in case of
+ * remote operation denoted by ->mti_cross_ref flag.
+ */
parent_lh = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(parent_lh, LCK_PW, rr->rr_name,
- rr->rr_namelen);
-
+ if (info->mti_cross_ref) {
+ /*
+ * Init reg lock for cross ref case when we need to do only
+ * ref del locally.
+ */
+ mdt_lock_reg_init(parent_lh, LCK_PW);
+ } else {
+ mdt_lock_pdo_init(parent_lh, LCK_PW, rr->rr_name,
+ rr->rr_namelen);
+ }
mp = mdt_object_find_lock(info, rr->rr_fid1, parent_lh,
MDS_INODELOCK_UPDATE);
if (IS_ERR(mp)) {
rc = PTR_ERR(mp);
- /* errors are possible here in cross-ref cases, see below */
+ /* errors are possible here in cross-ref cases, see below */
if (info->mti_cross_ref)
rc = 0;
GOTO(out, rc);
}
+ info->mti_mos[0] = mp;
+ rc = mdt_version_get_check(info, 0);
+ if (rc)
+ GOTO(out_unlock_parent, rc);
+
mdt_reint_init_ma(info, ma);
if (!ma->ma_lmm || !ma->ma_cookie)
GOTO(out_unlock_parent, rc = -EINVAL);
mdt_set_capainfo(info, 0, rr->rr_fid1, BYPASS_CAPA);
rc = mo_ref_del(info->mti_env,
mdt_object_child(mp), ma);
- mdt_handle_last_unlink(info, mp, ma);
+ if (rc == 0)
+ mdt_handle_last_unlink(info, mp, ma);
} else
rc = 0;
GOTO(out_unlock_parent, rc);
mdt_fail_write(info->mti_env, info->mti_mdt->mdt_bottom,
OBD_FAIL_MDS_REINT_UNLINK_WRITE);
+ info->mti_mos[1] = mc;
+ rc = mdt_version_get_check(info, 1);
+ if (rc)
+ GOTO(out_unlock_child, rc);
+
/*
* Now we can only make sure we need MA_INODE, in mdd layer, will check
* whether need MA_LOV and MA_COOKIE.
mdt_handle_last_unlink(info, mc, ma);
EXIT;
+out_unlock_child:
mdt_object_unlock_put(info, mc, child_lh, rc);
out_unlock_parent:
mdt_object_unlock_put(info, mp, parent_lh, rc);
if (IS_ERR(mp))
RETURN(PTR_ERR(mp));
+ info->mti_mos[0] = mp;
+ rc = mdt_version_get_check(info, 0);
+ if (rc)
+ GOTO(out_unlock_parent, rc);
+
/* step 2: find & lock the source */
lhs = &info->mti_lh[MDT_LH_CHILD];
mdt_lock_reg_init(lhs, LCK_EX);
mdt_fail_write(info->mti_env, info->mti_mdt->mdt_bottom,
OBD_FAIL_MDS_REINT_LINK_WRITE);
+ info->mti_mos[1] = ms;
+ rc = mdt_version_get_check(info, 1);
+ if (rc)
+ GOTO(out_unlock_child, rc);
+
lname = mdt_name(info->mti_env, (char *)rr->rr_name, rr->rr_namelen);
rc = mdo_link(info->mti_env, mdt_object_child(mp),
mdt_object_child(ms), lname, ma);
EXIT;
+out_unlock_child:
mdt_object_unlock_put(info, ms, lhs, rc);
out_unlock_parent:
mdt_object_unlock_put(info, mp, lhp, rc);
return rc;
}
+/**
+ * lock the part of the directory according to the hash of the name
+ * (lh->mlh_pdo_hash) in parallel directory lock.
+ */
+static int mdt_pdir_hash_lock(struct mdt_thread_info *info,
+ struct mdt_lock_handle *lh,
+ struct mdt_object *obj, __u64 ibits)
+{
+ struct ldlm_res_id *res_id = &info->mti_res_id;
+ struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
+ ldlm_policy_data_t *policy = &info->mti_policy;
+ int rc;
+
+ /*
+ * Finish res_id initializing by name hash marking part of
+ * directory which is taking modification.
+ */
+ LASSERT(lh->mlh_pdo_hash != 0);
+ fid_build_pdo_res_name(mdt_object_fid(obj), lh->mlh_pdo_hash, res_id);
+ memset(policy, 0, sizeof(*policy));
+ policy->l_inodebits.bits = ibits;
+ /*
+ * Use LDLM_FL_LOCAL_ONLY for this lock. We do not know yet if it is
+ * going to be sent to client. If it is - mdt_intent_policy() path will
+ * fix it up and turn FL_LOCAL flag off.
+ */
+ rc = mdt_fid_lock(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
+ res_id, LDLM_FL_LOCAL_ONLY | LDLM_FL_ATOMIC_CB,
+ &info->mti_exp->exp_handle.h_cookie);
+ return rc;
+}
/* partial operation for rename */
static int mdt_reint_rename_tgt(struct mdt_thread_info *info)
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
ldlm_policy_data_t *policy = &info->mti_policy;
struct ldlm_res_id *res_id = &info->mti_res_id;
- struct lu_site *ls;
+ struct md_site *ms;
int rc;
ENTRY;
- /*
- * Disable global rename BFL lock temporarily because
- * when a mds do rename recoverying, which might enqueue
- * BFL lock to the controller mds. and this req might be
- * replay req for controller mds. but we did not have
- * such handling in controller mds. XXX
- */
- RETURN(0);
- ls = info->mti_mdt->mdt_md_dev.md_lu_dev.ld_site;
+ ms = mdt_md_site(info->mti_mdt);
fid_build_reg_res_name(&LUSTRE_BFL_FID, res_id);
memset(policy, 0, sizeof *policy);
policy->l_inodebits.bits = MDS_INODELOCK_UPDATE;
- if (ls->ls_control_exp == NULL) {
+ if (ms->ms_control_exp == NULL) {
int flags = LDLM_FL_LOCAL_ONLY | LDLM_FL_ATOMIC_CB;
/*
rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
LCK_EX, &flags, ldlm_blocking_ast,
ldlm_completion_ast, NULL, NULL, 0,
- NULL, lh);
+ &info->mti_exp->exp_handle.h_cookie,
+ lh);
} else {
struct ldlm_enqueue_info einfo = { LDLM_IBITS, LCK_EX,
- ldlm_blocking_ast, ldlm_completion_ast, NULL, NULL };
+ ldlm_blocking_ast, ldlm_completion_ast, NULL, NULL, NULL };
int flags = 0;
/*
* This is the case mdt0 is remote node, issue DLM lock like
* other clients.
*/
- rc = ldlm_cli_enqueue(ls->ls_control_exp, NULL, &einfo, res_id,
- policy, &flags, NULL, 0, NULL, lh, 0);
+ rc = ldlm_cli_enqueue(ms->ms_control_exp, NULL, &einfo, res_id,
+ policy, &flags, NULL, 0, lh, 0);
}
RETURN(rc);
static void mdt_rename_unlock(struct lustre_handle *lh)
{
ENTRY;
- /* Disable global rename BFL lock temporarily. see above XXX*/
- EXIT;
- return;
LASSERT(lustre_handle_is_used(lh));
ldlm_lock_decref(lh, LCK_EX);
EXIT;
if (IS_ERR(msrcdir))
GOTO(out_rename_lock, rc = PTR_ERR(msrcdir));
+ info->mti_mos[0] = msrcdir;
+ rc = mdt_version_get_check(info, 0);
+ if (rc)
+ GOTO(out_unlock_source, rc);
+
/* step 2: find & lock the target dir. */
lh_tgtdirp = &info->mti_lh[MDT_LH_CHILD];
mdt_lock_pdo_init(lh_tgtdirp, LCK_PW, rr->rr_tgt,
if (lu_fid_eq(rr->rr_fid1, rr->rr_fid2)) {
mdt_object_get(info->mti_env, msrcdir);
mtgtdir = msrcdir;
+ if (lh_tgtdirp->mlh_pdo_hash != lh_srcdirp->mlh_pdo_hash) {
+ rc = mdt_pdir_hash_lock(info, lh_tgtdirp, mtgtdir,
+ MDS_INODELOCK_UPDATE);
+ if (rc)
+ GOTO(out_unlock_source, rc);
+ }
} else {
mtgtdir = mdt_object_find(info->mti_env, info->mti_mdt,
rr->rr_fid2);
rc = mdt_object_lock(info, mtgtdir, lh_tgtdirp,
MDS_INODELOCK_UPDATE,
MDT_LOCAL_LOCK);
- if (rc != 0)
+ if (rc != 0) {
+ mdt_object_put(info->mti_env, mtgtdir);
+ GOTO(out_unlock_source, rc);
+ }
+
+ info->mti_mos[1] = mtgtdir;
+ rc = mdt_version_get_check(info, 1);
+ if (rc)
GOTO(out_unlock_target, rc);
}
}
mdt_object_put(info->mti_env, mold);
GOTO(out_unlock_target, rc);
}
+
+ info->mti_mos[2] = mold;
+ rc = mdt_version_get_check(info, 2);
+ if (rc)
+ GOTO(out_unlock_old, rc);
+
mdt_set_capainfo(info, 2, old_fid, BYPASS_CAPA);
/* step 4: find & lock the new object. */
mdt_object_put(info->mti_env, mnew);
GOTO(out_unlock_old, rc);
}
+
+ info->mti_mos[3] = mnew;
+ rc = mdt_version_get_check(info, 3);
+ if (rc)
+ GOTO(out_unlock_new, rc);
+
mdt_set_capainfo(info, 3, new_fid, BYPASS_CAPA);
} else if (rc != -EREMOTE && rc != -ENOENT)
GOTO(out_unlock_old, rc);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff