#include <lustre_acl.h>
#include <lustre_param.h>
#include <lustre_quota.h>
-#include <lustre_linkea.h>
#include <lustre_lfsck.h>
mdl_mode_t mdt_mdl_lock_modes[] = {
}
void mdt_clear_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag)
+ struct ldlm_reply *rep, int flag)
{
- if (info)
- info->mti_opdata &= ~flag;
- if (rep)
- rep->lock_policy_res1 &= ~flag;
+ if (info) {
+ info->mti_opdata &= ~flag;
+ tgt_opdata_clear(info->mti_env, flag);
+ }
+ if (rep)
+ rep->lock_policy_res1 &= ~flag;
}
void mdt_set_disposition(struct mdt_thread_info *info,
- struct ldlm_reply *rep, int flag)
+ struct ldlm_reply *rep, int flag)
{
- if (info)
- info->mti_opdata |= flag;
- if (rep)
- rep->lock_policy_res1 |= flag;
+ if (info) {
+ info->mti_opdata |= flag;
+ tgt_opdata_set(info->mti_env, flag);
+ }
+ if (rep)
+ rep->lock_policy_res1 |= flag;
}
void mdt_lock_reg_init(struct mdt_lock_handle *lh, ldlm_mode_t lm)
lh->mlh_type = MDT_REG_LOCK;
}
-void mdt_lock_pdo_init(struct mdt_lock_handle *lh, ldlm_mode_t lm,
- const char *name, int namelen)
+void mdt_lock_pdo_init(struct mdt_lock_handle *lh, ldlm_mode_t lock_mode,
+ const struct lu_name *lname)
{
- lh->mlh_reg_mode = lm;
- lh->mlh_rreg_mode = lm;
- lh->mlh_type = MDT_PDO_LOCK;
+ lh->mlh_reg_mode = lock_mode;
+ lh->mlh_rreg_mode = lock_mode;
+ lh->mlh_type = MDT_PDO_LOCK;
- if (name != NULL && (name[0] != '\0')) {
- LASSERT(namelen > 0);
- lh->mlh_pdo_hash = full_name_hash(name, namelen);
+ if (lu_name_is_valid(lname)) {
+ lh->mlh_pdo_hash = full_name_hash(lname->ln_name,
+ lname->ln_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))
+ *
+ * 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 == 0))
lh->mlh_pdo_hash = 1;
- } else {
- LASSERT(namelen == 0);
- lh->mlh_pdo_hash = 0ull;
- }
+ } else {
+ lh->mlh_pdo_hash = 0;
+ }
}
static void mdt_lock_pdo_mode(struct mdt_thread_info *info, struct mdt_object *o,
EXIT;
}
-int mdt_getstatus(struct mdt_thread_info *info)
+static int mdt_getstatus(struct tgt_session_info *tsi)
{
- struct mdt_device *mdt = info->mti_mdt;
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ struct mdt_device *mdt = info->mti_mdt;
struct mdt_body *repbody;
- int rc;
+ int rc;
+
ENTRY;
- rc = mdt_check_ucred(info);
- if (rc)
- RETURN(err_serious(rc));
+ rc = mdt_check_ucred(info);
+ if (rc)
+ GOTO(out, rc = err_serious(rc));
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETSTATUS_PACK))
- RETURN(err_serious(-ENOMEM));
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_GETSTATUS_PACK))
+ GOTO(out, rc = err_serious(-ENOMEM));
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
repbody->fid1 = mdt->mdt_md_root_fid;
- repbody->valid |= OBD_MD_FLID;
+ repbody->valid |= OBD_MD_FLID;
- if (mdt->mdt_opts.mo_mds_capa &&
+ if (tsi->tsi_tgt->lut_mds_capa &&
exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
- struct mdt_object *root;
- struct lustre_capa *capa;
+ struct mdt_object *root;
+ struct lustre_capa *capa;
- root = mdt_object_find(info->mti_env, mdt, &repbody->fid1);
- if (IS_ERR(root))
- RETURN(PTR_ERR(root));
+ root = mdt_object_find(info->mti_env, mdt, &repbody->fid1);
+ if (IS_ERR(root))
+ GOTO(out, rc = PTR_ERR(root));
capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA1);
LASSERT(capa);
if (rc == 0)
repbody->valid |= OBD_MD_FLMDSCAPA;
}
-
- RETURN(rc);
+ EXIT;
+out:
+ mdt_thread_info_fini(info);
+ return rc;
}
-int mdt_statfs(struct mdt_thread_info *info)
+static int mdt_statfs(struct tgt_session_info *tsi)
{
- struct ptlrpc_request *req = mdt_info_req(info);
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct md_device *next = info->mti_mdt->mdt_child;
struct ptlrpc_service_part *svcpt;
struct obd_statfs *osfs;
ENTRY;
- svcpt = info->mti_pill->rc_req->rq_rqbd->rqbd_svcpt;
+ svcpt = req->rq_rqbd->rqbd_svcpt;
/* This will trigger a watchdog timeout */
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_STATFS_LCW_SLEEP,
(MDT_SERVICE_WATCHDOG_FACTOR *
at_get(&svcpt->scp_at_estimate)) + 1);
- rc = mdt_check_ucred(info);
- if (rc)
- RETURN(err_serious(rc));
+ rc = mdt_check_ucred(info);
+ if (rc)
+ GOTO(out, rc = err_serious(rc));
if (OBD_FAIL_CHECK(OBD_FAIL_MDS_STATFS_PACK))
- RETURN(err_serious(-ENOMEM));
+ GOTO(out, rc = err_serious(-ENOMEM));
osfs = req_capsule_server_get(info->mti_pill, &RMF_OBD_STATFS);
if (!osfs)
- RETURN(-EPROTO);
+ GOTO(out, rc = -EPROTO);
/** statfs information are cached in the mdt_device */
if (cfs_time_before_64(info->mti_mdt->mdt_osfs_age,
/** statfs data is too old, get up-to-date one */
rc = next->md_ops->mdo_statfs(info->mti_env, next, osfs);
if (rc)
- RETURN(rc);
+ GOTO(out, rc);
spin_lock(&info->mti_mdt->mdt_osfs_lock);
info->mti_mdt->mdt_osfs = *osfs;
info->mti_mdt->mdt_osfs_age = cfs_time_current_64();
if (rc == 0)
mdt_counter_incr(req, LPROC_MDT_STATFS);
-
+out:
+ mdt_thread_info_fini(info);
RETURN(rc);
}
EXIT;
}
+int mdt_attr_get_eabuf_size(struct mdt_thread_info *info, struct mdt_object *o)
+{
+ const struct lu_env *env = info->mti_env;
+ int rc, rc2;
+
+ rc = mo_xattr_get(env, mdt_object_child(o), &LU_BUF_NULL,
+ XATTR_NAME_LOV);
+
+ if (rc == -ENODATA)
+ rc = 0;
+
+ if (rc < 0)
+ goto out;
+
+ /* Is it a directory? Let's check for the LMV as well */
+ if (S_ISDIR(lu_object_attr(&mdt_object_child(o)->mo_lu))) {
+ rc2 = mo_xattr_get(env, mdt_object_child(o), &LU_BUF_NULL,
+ XATTR_NAME_LMV);
+ if ((rc2 < 0 && rc2 != -ENODATA) || (rc2 > rc))
+ rc = rc2;
+ }
+
+out:
+ return rc;
+}
+
static int mdt_big_xattr_get(struct mdt_thread_info *info, struct mdt_object *o,
- char *name)
+ const char *name)
{
const struct lu_env *env = info->mti_env;
int rc;
RETURN(rc);
}
-int mdt_attr_get_lov(struct mdt_thread_info *info,
- struct mdt_object *o, struct md_attr *ma)
+int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
+ struct md_attr *ma, const char *name)
{
struct md_object *next = mdt_object_child(o);
struct lu_buf *buf = &info->mti_buf;
int rc;
- buf->lb_buf = ma->ma_lmm;
- buf->lb_len = ma->ma_lmm_size;
- rc = mo_xattr_get(info->mti_env, next, buf, XATTR_NAME_LOV);
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ buf->lb_buf = ma->ma_lmm;
+ buf->lb_len = ma->ma_lmm_size;
+ LASSERT(!(ma->ma_valid & MA_LOV));
+ } else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ buf->lb_buf = ma->ma_lmv;
+ buf->lb_len = ma->ma_lmv_size;
+ LASSERT(!(ma->ma_valid & MA_LMV));
+ } else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
+ buf->lb_buf = ma->ma_lmv;
+ buf->lb_len = ma->ma_lmv_size;
+ LASSERT(!(ma->ma_valid & MA_LMV_DEF));
+ } else {
+ return -EINVAL;
+ }
+
+ rc = mo_xattr_get(info->mti_env, next, buf, name);
if (rc > 0) {
- ma->ma_lmm_size = rc;
- ma->ma_valid |= MA_LOV;
+ if (strcmp(name, XATTR_NAME_LOV) == 0) {
+ ma->ma_lmm_size = rc;
+ ma->ma_valid |= MA_LOV;
+ } else if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ ma->ma_lmv_size = rc;
+ ma->ma_valid |= MA_LMV;
+ } else if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0) {
+ ma->ma_lmv_size = rc;
+ ma->ma_valid |= MA_LMV_DEF;
+ }
+
rc = 0;
} else if (rc == -ENODATA) {
/* no LOV EA */
rc = 0;
} else if (rc == -ERANGE) {
- rc = mdt_big_xattr_get(info, o, XATTR_NAME_LOV);
+ /* Default LMV has fixed size, so it must be able to fit
+ * in the original buffer */
+ if (strcmp(name, XATTR_NAME_DEFAULT_LMV) == 0)
+ return rc;
+ rc = mdt_big_xattr_get(info, o, name);
if (rc > 0) {
info->mti_big_lmm_used = 1;
- ma->ma_valid |= MA_LOV;
- ma->ma_lmm = info->mti_big_lmm;
- ma->ma_lmm_size = rc;
+ if (!strcmp(name, XATTR_NAME_LOV)) {
+ ma->ma_valid |= MA_LOV;
+ ma->ma_lmm = info->mti_big_lmm;
+ ma->ma_lmm_size = rc;
+ } else if (!strcmp(name, XATTR_NAME_LMV)) {
+ ma->ma_valid |= MA_LMV;
+ ma->ma_lmv = info->mti_big_lmm;
+ ma->ma_lmv_size = rc;
+ } else {
+ return -EINVAL;
+ }
+
/* update mdt_max_mdsize so all clients
* will be aware about that */
if (info->mti_mdt->mdt_max_mdsize < rc)
return rc;
}
-int mdt_attr_get_pfid(struct mdt_thread_info *info,
- struct mdt_object *o, struct lu_fid *pfid)
+static int mdt_attr_get_pfid(struct mdt_thread_info *info,
+ struct mdt_object *o, struct lu_fid *pfid)
{
struct lu_buf *buf = &info->mti_buf;
struct link_ea_header *leh;
}
if (need & MA_LOV && (S_ISREG(mode) || S_ISDIR(mode))) {
- rc = mdt_attr_get_lov(info, o, ma);
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LOV);
if (rc)
GOTO(out, rc);
}
if (need & MA_LMV && S_ISDIR(mode)) {
- buf->lb_buf = ma->ma_lmv;
- buf->lb_len = ma->ma_lmv_size;
- rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LMV);
- if (rc2 > 0) {
- ma->ma_lmv_size = rc2;
- ma->ma_valid |= MA_LMV;
- } else if (rc2 == -ENODATA) {
- /* no LMV EA */
- ma->ma_lmv_size = 0;
- } else
- GOTO(out, rc = rc2);
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_LMV);
+ if (rc != 0)
+ GOTO(out, rc);
+ }
+
+ if (need & MA_LMV_DEF && S_ISDIR(mode)) {
+ rc = mdt_stripe_get(info, o, ma, XATTR_NAME_DEFAULT_LMV);
+ if (rc != 0)
+ GOTO(out, rc);
}
if (need & MA_SOM && S_ISREG(mode)) {
GOTO(out, rc = 0);
}
- buffer->lb_len = reqbody->eadatasize;
- if (buffer->lb_len > 0)
+ if (reqbody->eadatasize > 0) {
buffer->lb_buf = req_capsule_server_get(pill, &RMF_MDT_MD);
- else
+ if (buffer->lb_buf == NULL)
+ GOTO(out, rc = -EPROTO);
+ buffer->lb_len = req_capsule_get_size(pill, &RMF_MDT_MD,
+ RCL_SERVER);
+ } else {
buffer->lb_buf = NULL;
+ buffer->lb_len = 0;
+ ma_need &= ~(MA_LOV | MA_LMV);
+ CDEBUG(D_INFO, "%s: RPC from %s: does not need LOVEA.\n",
+ mdt_obd_name(info->mti_mdt),
+ req->rq_export->exp_client_uuid.uuid);
+ }
- /* If it is dir object and client require MEA, then we got MEA */
- if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
- reqbody->valid & OBD_MD_MEA) {
- /* Assumption: MDT_MD size is enough for lmv size. */
- ma->ma_lmv = buffer->lb_buf;
- ma->ma_lmv_size = buffer->lb_len;
- ma->ma_need = MA_LMV | MA_INODE;
- } else {
- ma->ma_lmm = buffer->lb_buf;
- ma->ma_lmm_size = buffer->lb_len;
- ma->ma_need = MA_LOV | MA_INODE | MA_HSM;
- }
+ /* If it is dir object and client require MEA, then we got MEA */
+ if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
+ (reqbody->valid & (OBD_MD_MEA | OBD_MD_DEFAULT_MEA))) {
+ /* Assumption: MDT_MD size is enough for lmv size. */
+ ma->ma_lmv = buffer->lb_buf;
+ ma->ma_lmv_size = buffer->lb_len;
+ ma->ma_need = MA_INODE;
+ if (ma->ma_lmv_size > 0) {
+ if (reqbody->valid & OBD_MD_MEA)
+ ma->ma_need |= MA_LMV;
+ else if (reqbody->valid & OBD_MD_DEFAULT_MEA)
+ ma->ma_need |= MA_LMV_DEF;
+ }
+ } else {
+ ma->ma_lmm = buffer->lb_buf;
+ ma->ma_lmm_size = buffer->lb_len;
+ ma->ma_need = MA_INODE | MA_HSM;
+ if (ma->ma_lmm_size > 0)
+ ma->ma_need |= MA_LOV;
+ }
if (S_ISDIR(lu_object_attr(&next->mo_lu)) &&
reqbody->valid & OBD_MD_FLDIREA &&
root = mdt_object_find(env, mdt, &rootfid);
if (IS_ERR(root))
RETURN(PTR_ERR(root));
- rc = mdt_attr_get_lov(info, root, ma);
+ rc = mdt_stripe_get(info, root, ma, XATTR_NAME_LOV);
mdt_object_put(info->mti_env, root);
if (unlikely(rc)) {
CERROR("%s: getattr error for "DFID": rc = %d\n",
if (mdt_body_has_lov(la, reqbody)) {
if (ma->ma_valid & MA_LOV) {
LASSERT(ma->ma_lmm_size);
- mdt_dump_lmm(D_INFO, ma->ma_lmm);
repbody->eadatasize = ma->ma_lmm_size;
if (S_ISDIR(la->la_mode))
repbody->valid |= OBD_MD_FLDIREA;
else
repbody->valid |= OBD_MD_FLEASIZE;
+ mdt_dump_lmm(D_INFO, ma->ma_lmm, repbody->valid);
}
- if (ma->ma_valid & MA_LMV) {
- LASSERT(S_ISDIR(la->la_mode));
- repbody->eadatasize = ma->ma_lmv_size;
- repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
- }
+ if (ma->ma_valid & MA_LMV) {
+ LASSERT(S_ISDIR(la->la_mode));
+ mdt_dump_lmv(D_INFO, ma->ma_lmv);
+ repbody->eadatasize = ma->ma_lmv_size;
+ repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_MEA);
+ }
+ if (ma->ma_valid & MA_LMV_DEF) {
+ LASSERT(S_ISDIR(la->la_mode));
+ repbody->eadatasize = ma->ma_lmv_size;
+ repbody->valid |= (OBD_MD_FLDIREA|OBD_MD_DEFAULT_MEA);
+ }
} else if (S_ISLNK(la->la_mode) &&
reqbody->valid & OBD_MD_LINKNAME) {
buffer->lb_buf = ma->ma_lmm;
#endif
if (reqbody->valid & OBD_MD_FLMDSCAPA &&
- info->mti_mdt->mdt_opts.mo_mds_capa &&
+ info->mti_mdt->mdt_lut.lut_mds_capa &&
exp_connect_flags(info->mti_exp) & OBD_CONNECT_MDS_CAPA) {
struct lustre_capa *capa;
* return directly, client will find body->valid OBD_MD_FLOSSCAPA
* flag not set.
*/
- if (!obj || !info->mti_mdt->mdt_opts.mo_oss_capa ||
+ if (!obj || !info->mti_mdt->mdt_lut.lut_oss_capa ||
!(exp_connect_flags(info->mti_exp) & OBD_CONNECT_OSS_CAPA))
RETURN(0);
RETURN(rc);
}
-int mdt_getattr(struct mdt_thread_info *info)
+static int mdt_getattr(struct tgt_session_info *tsi)
{
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_object *obj = info->mti_object;
struct req_capsule *pill = info->mti_pill;
struct mdt_body *reqbody;
struct mdt_body *repbody;
- mode_t mode;
int rc, rc2;
ENTRY;
LASSERT(obj != NULL);
LASSERT(lu_object_assert_exists(&obj->mot_obj));
- mode = lu_object_attr(&obj->mot_obj);
+ /* Unlike intent case where we need to pre-fill out buffers early on
+ * in intent policy for ldlm reasons, here we can have a much better
+ * guess at EA size by just reading it from disk.
+ * Exceptions are readdir and (missing) directory striping */
+ /* Readlink */
+ if (reqbody->valid & OBD_MD_LINKNAME) {
+ /* No easy way to know how long is the symlink, but it cannot
+ * be more than PATH_MAX, so we allocate +1 */
+ rc = PATH_MAX + 1;
+
+ /* A special case for fs ROOT: getattr there might fetch
+ * default EA for entire fs, not just for this dir!
+ */
+ } else if (lu_fid_eq(mdt_object_fid(obj),
+ &info->mti_mdt->mdt_md_root_fid) &&
+ (reqbody->valid & OBD_MD_FLDIREA) &&
+ (lustre_msg_get_opc(mdt_info_req(info)->rq_reqmsg) ==
+ MDS_GETATTR)) {
+ /* Should the default strping be bigger, mdt_fix_reply
+ * will reallocate */
+ rc = DEF_REP_MD_SIZE;
+ } else {
+ /* Read the actual EA size from disk */
+ rc = mdt_attr_get_eabuf_size(info, obj);
+ }
+
+ if (rc < 0)
+ GOTO(out_shrink, rc);
- /* old clients may not report needed easize, use max value then */
- req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- reqbody->eadatasize == 0 ?
- info->mti_mdt->mdt_max_mdsize :
- reqbody->eadatasize);
+ req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, rc);
- rc = req_capsule_server_pack(pill);
- if (unlikely(rc != 0))
- RETURN(err_serious(rc));
+ rc = req_capsule_server_pack(pill);
+ if (unlikely(rc != 0))
+ GOTO(out, rc = err_serious(rc));
repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
rc2 = mdt_fix_reply(info);
if (rc == 0)
rc = rc2;
- return rc;
+out:
+ mdt_thread_info_fini(info);
+ return rc;
}
-int mdt_is_subdir(struct mdt_thread_info *info)
+static int mdt_is_subdir(struct tgt_session_info *tsi)
{
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_object *o = info->mti_object;
struct req_capsule *pill = info->mti_pill;
const struct mdt_body *body = info->mti_body;
if (rc == 0 || rc == -EREMOTE)
repbody->valid |= OBD_MD_FLID;
+ mdt_thread_info_fini(info);
RETURN(rc);
}
-int mdt_swap_layouts(struct mdt_thread_info *info)
+static int mdt_swap_layouts(struct tgt_session_info *tsi)
{
- struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_thread_info *info;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
struct obd_export *exp = req->rq_export;
struct mdt_object *o1, *o2, *o;
struct mdt_lock_handle *lh1, *lh2;
if (!exp_connect_layout(exp))
RETURN(-EOPNOTSUPP);
+ info = tsi2mdt_info(tsi);
+
+ if (info->mti_dlm_req != NULL)
+ ldlm_request_cancel(req, info->mti_dlm_req, 0);
+
if (req_capsule_get_size(info->mti_pill, &RMF_CAPA1, RCL_CLIENT))
mdt_set_capainfo(info, 0, &info->mti_body->fid1,
req_capsule_client_get(info->mti_pill,
put:
mdt_object_put(info->mti_env, o);
out:
+ mdt_thread_info_fini(info);
RETURN(rc);
}
struct md_object *next = mdt_object_child(parent);
struct lu_fid *child_fid = &info->mti_tmp_fid1;
struct lu_name *lname = NULL;
- const char *name = NULL;
- int namelen = 0;
struct mdt_lock_handle *lhp = NULL;
struct ldlm_lock *lock;
- struct ldlm_res_id *res_id;
- int is_resent;
- int ma_need = 0;
- int rc;
+ bool is_resent;
+ bool try_layout;
+ int ma_need = 0;
+ int rc;
+ ENTRY;
- ENTRY;
+ is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
+ LASSERT(ergo(is_resent,
+ lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT));
+
+ LASSERT(parent != NULL);
+
+ if (info->mti_cross_ref) {
+ /* Only getattr on the child. Parent is on another node. */
+ mdt_set_disposition(info, ldlm_rep,
+ DISP_LOOKUP_EXECD | DISP_LOOKUP_POS);
+ child = parent;
+ CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
+ "ldlm_rep = %p\n",
+ PFID(mdt_object_fid(child)), ldlm_rep);
+
+ if (is_resent) {
+ /* Do not take lock for resent case. */
+ lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
+ LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
+ lhc->mlh_reg_lh.cookie);
+ LASSERT(fid_res_name_eq(mdt_object_fid(child),
+ &lock->l_resource->lr_name));
+ LDLM_LOCK_PUT(lock);
+ } else {
+ mdt_lock_handle_init(lhc);
+ mdt_lock_reg_init(lhc, LCK_PR);
- is_resent = lustre_handle_is_used(&lhc->mlh_reg_lh);
- LASSERT(ergo(is_resent,
- lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT));
+ /*
+ * Object's name is on another MDS, no lookup or layout
+ * lock is needed here but update lock is.
+ */
+ child_bits &= ~(MDS_INODELOCK_LOOKUP |
+ MDS_INODELOCK_LAYOUT);
+ child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
- LASSERT(parent != NULL);
- name = req_capsule_client_get(info->mti_pill, &RMF_NAME);
- if (name == NULL)
- RETURN(err_serious(-EFAULT));
+ rc = mdt_object_lock(info, child, lhc, child_bits,
+ MDT_LOCAL_LOCK);
+ if (rc < 0)
+ RETURN(rc);
+ }
- namelen = req_capsule_get_size(info->mti_pill, &RMF_NAME,
- RCL_CLIENT) - 1;
- if (!info->mti_cross_ref) {
- /*
- * XXX: Check for "namelen == 0" is for getattr by fid
- * (OBD_CONNECT_ATTRFID), otherwise do not allow empty name,
- * that is the name must contain at least one character and
- * the terminating '\0'
- */
- if (namelen == 0) {
- reqbody = req_capsule_client_get(info->mti_pill,
- &RMF_MDT_BODY);
- if (unlikely(reqbody == NULL))
- RETURN(err_serious(-EFAULT));
-
- if (unlikely(!fid_is_sane(&reqbody->fid2)))
- RETURN(err_serious(-EINVAL));
-
- name = NULL;
- CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
- "ldlm_rep = %p\n",
- PFID(mdt_object_fid(parent)),
- PFID(&reqbody->fid2), ldlm_rep);
- } else {
- lname = mdt_name(info->mti_env, (char *)name, namelen);
- CDEBUG(D_INODE, "getattr with lock for "DFID"/%s, "
- "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
- name, ldlm_rep);
- }
+ /* Finally, we can get attr for child. */
+ if (!mdt_object_exists(child)) {
+ LU_OBJECT_DEBUG(D_INFO, info->mti_env,
+ &child->mot_obj,
+ "remote object doesn't exist.\n");
+ mdt_object_unlock(info, child, lhc, 1);
+ RETURN(-ENOENT);
+ }
+
+ mdt_set_capainfo(info, 0, mdt_object_fid(child), BYPASS_CAPA);
+ rc = mdt_getattr_internal(info, child, 0);
+ if (unlikely(rc != 0))
+ mdt_object_unlock(info, child, lhc, 1);
+
+ RETURN(rc);
}
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
- if (unlikely(!mdt_object_exists(parent))) {
+ lname = &info->mti_name;
+ mdt_name_unpack(info->mti_pill, &RMF_NAME, lname, MNF_FIX_ANON);
+
+ if (lu_name_is_valid(lname)) {
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DNAME", "
+ "ldlm_rep = %p\n", PFID(mdt_object_fid(parent)),
+ PNAME(lname), ldlm_rep);
+ } else {
+ reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+ if (unlikely(reqbody == NULL))
+ RETURN(err_serious(-EPROTO));
+
+ *child_fid = reqbody->fid2;
+
+ if (unlikely(!fid_is_sane(child_fid)))
+ RETURN(err_serious(-EINVAL));
+
+ CDEBUG(D_INODE, "getattr with lock for "DFID"/"DFID", "
+ "ldlm_rep = %p\n",
+ PFID(mdt_object_fid(parent)),
+ PFID(&reqbody->fid2), ldlm_rep);
+ }
+
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_EXECD);
+
+ if (unlikely(!mdt_object_exists(parent)) && lu_name_is_valid(lname)) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
&parent->mot_obj,
"Parent doesn't exist!\n");
RETURN(-ESTALE);
- } else if (!info->mti_cross_ref) {
- LASSERTF(!mdt_object_remote(parent),
- "Parent "DFID" is on remote server\n",
- PFID(mdt_object_fid(parent)));
}
- if (lname) {
- rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
- if (rc != 0) {
- if (rc > 0)
- rc = 0;
- RETURN(rc);
- }
- }
-
- if (info->mti_cross_ref) {
- /* Only getattr on the child. Parent is on another node. */
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- child = parent;
- CDEBUG(D_INODE, "partial getattr_name child_fid = "DFID", "
- "ldlm_rep=%p\n", PFID(mdt_object_fid(child)), ldlm_rep);
-
- if (is_resent) {
- /* Do not take lock for resent case. */
- lock = ldlm_handle2lock(&lhc->mlh_reg_lh);
- LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
- lhc->mlh_reg_lh.cookie);
- LASSERT(fid_res_name_eq(mdt_object_fid(child),
- &lock->l_resource->lr_name));
- LDLM_LOCK_PUT(lock);
- rc = 0;
- } else {
- mdt_lock_handle_init(lhc);
- mdt_lock_reg_init(lhc, LCK_PR);
- /*
- * Object's name is on another MDS, no lookup lock is
- * needed here but update is.
- */
- child_bits &= ~MDS_INODELOCK_LOOKUP;
- child_bits |= MDS_INODELOCK_PERM | MDS_INODELOCK_UPDATE;
+ if (mdt_object_remote(parent)) {
+ CERROR("%s: parent "DFID" is on remote target\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(parent)));
+ RETURN(-EIO);
+ }
- rc = mdt_object_lock(info, child, lhc, child_bits,
- MDT_LOCAL_LOCK);
- }
- if (rc == 0) {
- /* Finally, we can get attr for child. */
- mdt_set_capainfo(info, 0, mdt_object_fid(child),
- BYPASS_CAPA);
- rc = mdt_getattr_internal(info, child, 0);
- if (unlikely(rc != 0))
- mdt_object_unlock(info, child, lhc, 1);
- }
- RETURN(rc);
- }
+ if (lu_name_is_valid(lname)) {
+ rc = mdt_raw_lookup(info, parent, lname, ldlm_rep);
+ if (rc != 0) {
+ if (rc > 0)
+ rc = 0;
+ RETURN(rc);
+ }
- if (lname) {
- /* step 1: lock parent only if parent is a directory */
+ /* step 1: lock parent only if parent is a directory */
if (S_ISDIR(lu_object_attr(&parent->mot_obj))) {
- lhp = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(lhp, LCK_PR, name, namelen);
+ lhp = &info->mti_lh[MDT_LH_PARENT];
+ mdt_lock_pdo_init(lhp, LCK_PR, lname);
rc = mdt_object_lock(info, parent, lhp,
MDS_INODELOCK_UPDATE,
MDT_LOCAL_LOCK);
fid_zero(child_fid);
rc = mdo_lookup(info->mti_env, next, lname, child_fid,
&info->mti_spec);
+ if (rc == -ENOENT)
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_NEG);
- if (rc != 0) {
- if (rc == -ENOENT)
- mdt_set_disposition(info, ldlm_rep,
- DISP_LOOKUP_NEG);
- GOTO(out_parent, rc);
- } else
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- } else {
- *child_fid = reqbody->fid2;
- mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
- }
+ if (rc != 0)
+ GOTO(out_parent, rc);
+ }
- /*
- *step 3: find the child object by fid & lock it.
- * regardless if it is local or remote.
- */
- child = mdt_object_find(info->mti_env, info->mti_mdt, child_fid);
+ mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
+
+ /*
+ *step 3: find the child object by fid & lock it.
+ * regardless if it is local or remote.
+ *
+ *Note: LU-3240 (commit 762f2114d282a98ebfa4dbbeea9298a8088ad24e)
+ * set parent dir fid the same as child fid in getattr by fid case
+ * we should not lu_object_find() the object again, could lead
+ * to hung if there is a concurrent unlink destroyed the object.
+ */
+ if (lu_fid_eq(mdt_object_fid(parent), child_fid)) {
+ mdt_object_get(info->mti_env, parent);
+ child = parent;
+ } else {
+ child = mdt_object_find(info->mti_env, info->mti_mdt,
+ child_fid);
+ }
if (unlikely(IS_ERR(child)))
GOTO(out_parent, rc = PTR_ERR(child));
LASSERTF(lock != NULL, "Invalid lock handle "LPX64"\n",
lhc->mlh_reg_lh.cookie);
- res_id = &lock->l_resource->lr_name;
if (!fid_res_name_eq(mdt_object_fid(child),
&lock->l_resource->lr_name)) {
LASSERTF(fid_res_name_eq(mdt_object_fid(parent),
GOTO(relock, 0);
}
LDLM_LOCK_PUT(lock);
- rc = 0;
} else {
- bool try_layout = false;
-
relock:
OBD_FAIL_TIMEOUT(OBD_FAIL_MDS_RESEND, obd_timeout*2);
mdt_lock_handle_init(lhc);
mdt_lock_reg_init(lhc, LCK_PR);
+ try_layout = false;
if (!mdt_object_exists(child)) {
LU_OBJECT_DEBUG(D_INODE, info->mti_env,
if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_GETATTR) &&
exp_connect_layout(info->mti_exp) &&
S_ISREG(lu_object_attr(&child->mot_obj)) &&
- ldlm_rep != NULL) {
+ !mdt_object_remote(child) && ldlm_rep != NULL) {
/* try to grant layout lock for regular file. */
try_layout = true;
}
ma_need |= MA_LOV;
}
} else {
+ /* Do not enqueue the UPDATE lock from MDT(cross-MDT),
+ * client will enqueue the lock to the remote MDT */
+ if (mdt_object_remote(child))
+ child_bits &= ~MDS_INODELOCK_UPDATE;
rc = mdt_object_lock(info, child, lhc, child_bits,
MDT_CROSS_LOCK);
}
mdt_object_unlock(info, child, lhc, 1);
} else if (lock) {
/* Debugging code. */
- res_id = &lock->l_resource->lr_name;
LDLM_DEBUG(lock, "Returning lock to client");
LASSERTF(fid_res_name_eq(mdt_object_fid(child),
&lock->l_resource->lr_name),
}
/* normal handler: should release the child lock */
-int mdt_getattr_name(struct mdt_thread_info *info)
+static int mdt_getattr_name(struct tgt_session_info *tsi)
{
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
struct mdt_lock_handle *lhc = &info->mti_lh[MDT_LH_CHILD];
struct mdt_body *reqbody;
struct mdt_body *repbody;
rc2 = mdt_fix_reply(info);
if (rc == 0)
rc = rc2;
- return rc;
+ mdt_thread_info_fini(info);
+ return rc;
}
static int mdt_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg);
-int mdt_set_info(struct mdt_thread_info *info)
+static int mdt_set_info(struct tgt_session_info *tsi)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- char *key;
- void *val;
- int keylen, vallen, rc = 0;
- ENTRY;
-
- rc = req_capsule_server_pack(info->mti_pill);
- if (rc)
- RETURN(rc);
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ char *key;
+ void *val;
+ int keylen, vallen, rc = 0;
- key = req_capsule_client_get(info->mti_pill, &RMF_SETINFO_KEY);
- if (key == NULL) {
- DEBUG_REQ(D_HA, req, "no set_info key");
- RETURN(-EFAULT);
- }
+ ENTRY;
- keylen = req_capsule_get_size(info->mti_pill, &RMF_SETINFO_KEY,
- RCL_CLIENT);
+ key = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_KEY);
+ if (key == NULL) {
+ DEBUG_REQ(D_HA, req, "no set_info key");
+ RETURN(err_serious(-EFAULT));
+ }
- val = req_capsule_client_get(info->mti_pill, &RMF_SETINFO_VAL);
- if (val == NULL) {
- DEBUG_REQ(D_HA, req, "no set_info val");
- RETURN(-EFAULT);
- }
+ keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_KEY,
+ RCL_CLIENT);
- vallen = req_capsule_get_size(info->mti_pill, &RMF_SETINFO_VAL,
- RCL_CLIENT);
+ val = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_VAL);
+ if (val == NULL) {
+ DEBUG_REQ(D_HA, req, "no set_info val");
+ RETURN(err_serious(-EFAULT));
+ }
- /* Swab any part of val you need to here */
- if (KEY_IS(KEY_READ_ONLY)) {
- req->rq_status = 0;
- lustre_msg_set_status(req->rq_repmsg, 0);
+ vallen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_VAL,
+ RCL_CLIENT);
+ /* Swab any part of val you need to here */
+ if (KEY_IS(KEY_READ_ONLY)) {
spin_lock(&req->rq_export->exp_lock);
if (*(__u32 *)val)
*exp_connect_flags_ptr(req->rq_export) |=
*exp_connect_flags_ptr(req->rq_export) &=
~OBD_CONNECT_RDONLY;
spin_unlock(&req->rq_export->exp_lock);
+ } else if (KEY_IS(KEY_CHANGELOG_CLEAR)) {
+ struct changelog_setinfo *cs = val;
- } else if (KEY_IS(KEY_CHANGELOG_CLEAR)) {
- struct changelog_setinfo *cs =
- (struct changelog_setinfo *)val;
- if (vallen != sizeof(*cs)) {
- CERROR("Bad changelog_clear setinfo size %d\n", vallen);
- RETURN(-EINVAL);
- }
- if (ptlrpc_req_need_swab(req)) {
- __swab64s(&cs->cs_recno);
- __swab32s(&cs->cs_id);
- }
-
- rc = mdt_iocontrol(OBD_IOC_CHANGELOG_CLEAR, info->mti_exp,
- vallen, val, NULL);
- lustre_msg_set_status(req->rq_repmsg, rc);
+ if (vallen != sizeof(*cs)) {
+ CERROR("%s: bad changelog_clear setinfo size %d\n",
+ tgt_name(tsi->tsi_tgt), vallen);
+ RETURN(-EINVAL);
+ }
+ if (ptlrpc_req_need_swab(req)) {
+ __swab64s(&cs->cs_recno);
+ __swab32s(&cs->cs_id);
+ }
- } else {
- RETURN(-EINVAL);
- }
- RETURN(0);
+ rc = mdt_iocontrol(OBD_IOC_CHANGELOG_CLEAR, req->rq_export,
+ vallen, val, NULL);
+ } else {
+ RETURN(-EINVAL);
+ }
+ RETURN(rc);
}
-int mdt_connect_check_sptlrpc(struct mdt_device *mdt, struct obd_export *exp,
- struct ptlrpc_request *req);
-
-/**
- * Top-level handler for MDT connection requests.
- */
-int mdt_connect(struct mdt_thread_info *info)
+static int mdt_readpage(struct tgt_session_info *tsi)
{
- int rc;
- struct obd_connect_data *reply;
- struct obd_export *exp;
- struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_thread_info *info = mdt_th_info(tsi->tsi_env);
+ struct mdt_object *object = mdt_obj(tsi->tsi_corpus);
+ struct lu_rdpg *rdpg = &info->mti_u.rdpg.mti_rdpg;
+ const struct mdt_body *reqbody = tsi->tsi_mdt_body;
+ struct mdt_body *repbody;
+ int rc;
+ int i;
ENTRY;
- rc = target_handle_connect(req);
- if (rc != 0)
- RETURN(err_serious(rc));
-
- LASSERT(req->rq_export != NULL);
- exp = req->rq_export;
- info->mti_exp = exp;
- info->mti_mdt = mdt_dev(exp->exp_obd->obd_lu_dev);
- rc = mdt_init_sec_level(info);
- if (rc != 0)
- GOTO(err, rc);
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READPAGE_PACK))
+ RETURN(err_serious(-ENOMEM));
- rc = mdt_connect_check_sptlrpc(info->mti_mdt, exp, req);
- if (rc)
- GOTO(err, rc);
+ repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_MDT_BODY);
+ if (repbody == NULL || reqbody == NULL)
+ RETURN(err_serious(-EFAULT));
- /* To avoid exposing partially initialized connection flags, changes up
- * to this point have been staged in reply->ocd_connect_flags. Now that
- * connection handling has completed successfully, atomically update
- * the connect flags in the shared export data structure. LU-1623 */
- reply = req_capsule_server_get(info->mti_pill, &RMF_CONNECT_DATA);
- spin_lock(&exp->exp_lock);
- *exp_connect_flags_ptr(exp) = reply->ocd_connect_flags;
- exp->exp_mdt_data.med_ibits_known = reply->ocd_ibits_known;
- exp->exp_connect_data.ocd_brw_size = reply->ocd_brw_size;
- spin_unlock(&exp->exp_lock);
+ /*
+ * prepare @rdpg before calling lower layers and transfer itself. Here
+ * reqbody->size contains offset of where to start to read and
+ * reqbody->nlink contains number bytes to read.
+ */
+ rdpg->rp_hash = reqbody->size;
+ if (rdpg->rp_hash != reqbody->size) {
+ CERROR("Invalid hash: "LPX64" != "LPX64"\n",
+ rdpg->rp_hash, reqbody->size);
+ RETURN(-EFAULT);
+ }
- rc = mdt_init_idmap(info);
- if (rc != 0)
- GOTO(err, rc);
- RETURN(0);
-err:
- obd_disconnect(class_export_get(req->rq_export));
- return rc;
-}
-
-int mdt_disconnect(struct mdt_thread_info *info)
-{
- int rc;
- ENTRY;
-
- rc = target_handle_disconnect(mdt_info_req(info));
- if (rc)
- rc = err_serious(rc);
- RETURN(rc);
-}
-
-static int mdt_sendpage(struct mdt_thread_info *info,
- struct lu_rdpg *rdpg, int nob)
-{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct obd_export *exp = req->rq_export;
- struct ptlrpc_bulk_desc *desc;
- struct l_wait_info *lwi = &info->mti_u.rdpg.mti_wait_info;
- int tmpcount;
- int tmpsize;
- int i;
- int rc;
- ENTRY;
-
- desc = ptlrpc_prep_bulk_exp(req, rdpg->rp_npages, 1, BULK_PUT_SOURCE,
- MDS_BULK_PORTAL);
- if (desc == NULL)
- RETURN(-ENOMEM);
-
- if (!(exp_connect_flags(exp) & OBD_CONNECT_BRW_SIZE))
- /* old client requires reply size in it's PAGE_SIZE,
- * which is rdpg->rp_count */
- nob = rdpg->rp_count;
-
- for (i = 0, tmpcount = nob; i < rdpg->rp_npages && tmpcount > 0;
- i++, tmpcount -= tmpsize) {
- tmpsize = min_t(int, tmpcount, PAGE_CACHE_SIZE);
- ptlrpc_prep_bulk_page_pin(desc, rdpg->rp_pages[i], 0, tmpsize);
- }
-
- LASSERT(desc->bd_nob == nob);
- rc = target_bulk_io(exp, desc, lwi);
- ptlrpc_free_bulk_pin(desc);
- RETURN(rc);
-}
-
-int mdt_readpage(struct mdt_thread_info *info)
-{
- struct mdt_object *object = info->mti_object;
- struct lu_rdpg *rdpg = &info->mti_u.rdpg.mti_rdpg;
- struct mdt_body *reqbody;
- struct mdt_body *repbody;
- int rc;
- int i;
- ENTRY;
-
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_READPAGE_PACK))
- RETURN(err_serious(-ENOMEM));
-
- reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- if (reqbody == NULL || repbody == NULL)
- RETURN(err_serious(-EFAULT));
-
- /*
- * prepare @rdpg before calling lower layers and transfer itself. Here
- * reqbody->size contains offset of where to start to read and
- * reqbody->nlink contains number bytes to read.
- */
- rdpg->rp_hash = reqbody->size;
- if (rdpg->rp_hash != reqbody->size) {
- CERROR("Invalid hash: "LPX64" != "LPX64"\n",
- rdpg->rp_hash, reqbody->size);
- RETURN(-EFAULT);
- }
-
- rdpg->rp_attrs = reqbody->mode;
- if (exp_connect_flags(info->mti_exp) & OBD_CONNECT_64BITHASH)
- rdpg->rp_attrs |= LUDA_64BITHASH;
- rdpg->rp_count = min_t(unsigned int, reqbody->nlink,
- exp_max_brw_size(info->mti_exp));
- rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
- OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
- if (rdpg->rp_pages == NULL)
- RETURN(-ENOMEM);
+ rdpg->rp_attrs = reqbody->mode;
+ if (exp_connect_flags(tsi->tsi_exp) & OBD_CONNECT_64BITHASH)
+ rdpg->rp_attrs |= LUDA_64BITHASH;
+ rdpg->rp_count = min_t(unsigned int, reqbody->nlink,
+ exp_max_brw_size(tsi->tsi_exp));
+ rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT;
+ OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
+ if (rdpg->rp_pages == NULL)
+ RETURN(-ENOMEM);
for (i = 0; i < rdpg->rp_npages; ++i) {
rdpg->rp_pages[i] = alloc_page(GFP_IOFS);
}
/* call lower layers to fill allocated pages with directory data */
- rc = mo_readpage(info->mti_env, mdt_object_child(object), rdpg);
- if (rc < 0)
- GOTO(free_rdpg, rc);
+ rc = mo_readpage(tsi->tsi_env, mdt_object_child(object), rdpg);
+ if (rc < 0)
+ GOTO(free_rdpg, rc);
- /* send pages to client */
- rc = mdt_sendpage(info, rdpg, rc);
+ /* send pages to client */
+ rc = tgt_sendpage(tsi, rdpg, rc);
- EXIT;
+ EXIT;
free_rdpg:
- for (i = 0; i < rdpg->rp_npages; i++)
- if (rdpg->rp_pages[i] != NULL)
+ for (i = 0; i < rdpg->rp_npages; i++)
+ if (rdpg->rp_pages[i] != NULL)
__free_page(rdpg->rp_pages[i]);
- OBD_FREE(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
+ OBD_FREE(rdpg->rp_pages, rdpg->rp_npages * sizeof rdpg->rp_pages[0]);
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
- RETURN(0);
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SENDPAGE))
+ RETURN(0);
- return rc;
+ return rc;
}
static int mdt_reint_internal(struct mdt_thread_info *info,
struct mdt_lock_handle *lhc,
__u32 op)
{
- struct req_capsule *pill = info->mti_pill;
- struct mdt_body *repbody;
- int rc = 0, rc2;
- ENTRY;
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_body *repbody;
+ int rc = 0, rc2;
+ ENTRY;
rc = mdt_reint_unpack(info, op);
if (rc != 0) {
/* for replay (no_create) lmm is not needed, client has it already */
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- info->mti_rr.rr_eadatalen);
+ DEF_REP_MD_SIZE);
/* llog cookies are always 0, the field is kept for compatibility */
if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
GOTO(out_ucred, rc = err_serious(rc));
if (mdt_check_resent(info, mdt_reconstruct, lhc)) {
- rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
+ DEBUG_REQ(D_INODE, mdt_info_req(info), "resent opt.");
+ rc = lustre_msg_get_status(mdt_info_req(info)->rq_repmsg);
GOTO(out_ucred, rc);
}
rc = mdt_reint_rec(info, lhc);
return rc;
}
-static long mdt_reint_opcode(struct mdt_thread_info *info,
+static long mdt_reint_opcode(struct ptlrpc_request *req,
const struct req_format **fmt)
{
- struct mdt_rec_reint *rec;
- long opc;
+ struct mdt_device *mdt;
+ struct mdt_rec_reint *rec;
+ long opc;
- rec = req_capsule_client_get(info->mti_pill, &RMF_REC_REINT);
+ rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
if (rec != NULL) {
opc = rec->rr_opcode;
- DEBUG_REQ(D_INODE, mdt_info_req(info), "reint opt = %ld", opc);
+ DEBUG_REQ(D_INODE, req, "reint opt = %ld", opc);
if (opc < REINT_MAX && fmt[opc] != NULL)
- req_capsule_extend(info->mti_pill, fmt[opc]);
+ req_capsule_extend(&req->rq_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);
+ mdt = mdt_exp2dev(req->rq_export);
+ CERROR("%s: Unsupported opcode '%ld' from client '%s':"
+ " rc = %d\n", req->rq_export->exp_obd->obd_name,
+ opc, mdt->mdt_ldlm_client->cli_name, -EFAULT);
opc = err_serious(-EFAULT);
}
} else {
return opc;
}
-int mdt_reint(struct mdt_thread_info *info)
+static int mdt_reint(struct tgt_session_info *tsi)
{
long opc;
int rc;
-
static const struct req_format *reint_fmts[REINT_MAX] = {
[REINT_SETATTR] = &RQF_MDS_REINT_SETATTR,
[REINT_CREATE] = &RQF_MDS_REINT_CREATE,
[REINT_RENAME] = &RQF_MDS_REINT_RENAME,
[REINT_OPEN] = &RQF_MDS_REINT_OPEN,
[REINT_SETXATTR] = &RQF_MDS_REINT_SETXATTR,
- [REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK
+ [REINT_RMENTRY] = &RQF_MDS_REINT_UNLINK,
+ [REINT_MIGRATE] = &RQF_MDS_REINT_RENAME
};
- ENTRY;
+ ENTRY;
- opc = mdt_reint_opcode(info, reint_fmts);
- if (opc >= 0) {
- /*
- * No lock possible here from client to pass it to reint code
- * path.
- */
- rc = mdt_reint_internal(info, NULL, opc);
- } else {
- rc = opc;
- }
+ opc = mdt_reint_opcode(tgt_ses_req(tsi), reint_fmts);
+ if (opc >= 0) {
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ /*
+ * No lock possible here from client to pass it to reint code
+ * path.
+ */
+ rc = mdt_reint_internal(info, NULL, opc);
+ mdt_thread_info_fini(info);
+ } else {
+ rc = opc;
+ }
- info->mti_fail_id = OBD_FAIL_MDS_REINT_NET_REP;
- RETURN(rc);
+ tsi->tsi_reply_fail_id = OBD_FAIL_MDS_REINT_NET_REP;
+ RETURN(rc);
}
/* this should sync the whole device */
RETURN(rc);
}
-int mdt_sync(struct mdt_thread_info *info)
-{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct req_capsule *pill = info->mti_pill;
- struct mdt_body *body;
- int rc;
- ENTRY;
-
- /* The fid may be zero, so we req_capsule_set manually */
- req_capsule_set(pill, &RQF_MDS_SYNC);
-
- body = req_capsule_client_get(pill, &RMF_MDT_BODY);
- if (body == NULL)
- RETURN(err_serious(-EINVAL));
-
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SYNC_PACK))
- RETURN(err_serious(-ENOMEM));
-
- if (fid_seq(&body->fid1) == 0) {
- /* sync the whole device */
- rc = req_capsule_server_pack(pill);
- if (rc == 0)
- rc = mdt_device_sync(info->mti_env, info->mti_mdt);
- else
- rc = err_serious(rc);
- } else {
- /* sync an object */
- rc = mdt_unpack_req_pack_rep(info, HABEO_CORPUS|HABEO_REFERO);
- if (rc == 0) {
- rc = mdt_object_sync(info);
- if (rc == 0) {
- const struct lu_fid *fid;
- struct lu_attr *la = &info->mti_attr.ma_attr;
-
- info->mti_attr.ma_need = MA_INODE;
- info->mti_attr.ma_valid = 0;
- rc = mdt_attr_get_complex(info, info->mti_object,
- &info->mti_attr);
- if (rc == 0) {
- body = req_capsule_server_get(pill,
- &RMF_MDT_BODY);
- fid = mdt_object_fid(info->mti_object);
- mdt_pack_attr2body(info, body, la, fid);
- }
- }
- } else
- rc = err_serious(rc);
- }
- if (rc == 0)
- mdt_counter_incr(req, LPROC_MDT_SYNC);
-
- RETURN(rc);
-}
-
-/*
- * Quotacheck handler.
- * in-kernel quotacheck isn't supported any more.
- */
-int mdt_quotacheck(struct mdt_thread_info *info)
+static int mdt_sync(struct tgt_session_info *tsi)
{
- struct obd_quotactl *oqctl;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct req_capsule *pill = tsi->tsi_pill;
+ struct mdt_body *body;
int rc;
+
ENTRY;
- oqctl = req_capsule_client_get(info->mti_pill, &RMF_OBD_QUOTACTL);
- if (oqctl == NULL)
- RETURN(err_serious(-EPROTO));
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_SYNC_PACK))
+ RETURN(err_serious(-ENOMEM));
- rc = req_capsule_server_pack(info->mti_pill);
- if (rc)
- RETURN(err_serious(rc));
+ if (fid_seq(&tsi->tsi_mdt_body->fid1) == 0) {
+ rc = mdt_device_sync(tsi->tsi_env, mdt_exp2dev(tsi->tsi_exp));
+ } else {
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+
+ /* sync an object */
+ rc = mdt_object_sync(info);
+ if (rc == 0) {
+ const struct lu_fid *fid;
+ struct lu_attr *la = &info->mti_attr.ma_attr;
+
+ info->mti_attr.ma_need = MA_INODE;
+ info->mti_attr.ma_valid = 0;
+ rc = mdt_attr_get_complex(info, info->mti_object,
+ &info->mti_attr);
+ if (rc == 0) {
+ body = req_capsule_server_get(pill,
+ &RMF_MDT_BODY);
+ fid = mdt_object_fid(info->mti_object);
+ mdt_pack_attr2body(info, body, la, fid);
+ }
+ }
+ mdt_thread_info_fini(info);
+ }
+ if (rc == 0)
+ mdt_counter_incr(req, LPROC_MDT_SYNC);
- /* deprecated, not used any more */
- RETURN(-EOPNOTSUPP);
+ RETURN(rc);
}
/*
* Handle quota control requests to consult current usage/limit, but also
* to configure quota enforcement
*/
-int mdt_quotactl(struct mdt_thread_info *info)
+static int mdt_quotactl(struct tgt_session_info *tsi)
{
- struct obd_export *exp = info->mti_exp;
- struct req_capsule *pill = info->mti_pill;
+ struct obd_export *exp = tsi->tsi_exp;
+ struct req_capsule *pill = tsi->tsi_pill;
struct obd_quotactl *oqctl, *repoqc;
int id, rc;
- struct lu_device *qmt = info->mti_mdt->mdt_qmt_dev;
+ struct mdt_device *mdt = mdt_exp2dev(exp);
+ struct lu_device *qmt = mdt->mdt_qmt_dev;
ENTRY;
oqctl = req_capsule_client_get(pill, &RMF_OBD_QUOTACTL);
if (exp_connect_rmtclient(exp)) {
struct lustre_idmap_table *idmap;
- idmap = mdt_req2med(mdt_info_req(info))->med_idmap;
+ idmap = exp->exp_mdt_data.med_idmap;
if (unlikely(oqctl->qc_cmd != Q_GETQUOTA &&
oqctl->qc_cmd != Q_GETINFO))
case Q_SETQUOTA:
case Q_GETQUOTA:
/* forward quotactl request to QMT */
- rc = qmt_hdls.qmth_quotactl(info->mti_env, qmt, oqctl);
+ rc = qmt_hdls.qmth_quotactl(tsi->tsi_env, qmt, oqctl);
break;
case Q_GETOINFO:
case Q_GETOQUOTA:
/* slave quotactl */
- rc = lquotactl_slv(info->mti_env, info->mti_mdt->mdt_bottom,
+ rc = lquotactl_slv(tsi->tsi_env, tsi->tsi_tgt->lut_bottom,
oqctl);
break;
RETURN(rc);
}
-/*
- * OBD PING and other handlers.
- */
-int mdt_obd_ping(struct mdt_thread_info *info)
-{
- int rc;
- ENTRY;
-
- req_capsule_set(info->mti_pill, &RQF_OBD_PING);
-
- rc = target_handle_ping(mdt_info_req(info));
- if (rc < 0)
- rc = err_serious(rc);
- RETURN(rc);
-}
-
-/*
- * OBD_IDX_READ handler
- */
-int mdt_obd_idx_read(struct mdt_thread_info *info)
-{
- struct mdt_device *mdt = info->mti_mdt;
- struct lu_rdpg *rdpg = &info->mti_u.rdpg.mti_rdpg;
- struct idx_info *req_ii, *rep_ii;
- int rc, i;
- ENTRY;
-
- memset(rdpg, 0, sizeof(*rdpg));
- req_capsule_set(info->mti_pill, &RQF_OBD_IDX_READ);
-
- /* extract idx_info buffer from request & reply */
- req_ii = req_capsule_client_get(info->mti_pill, &RMF_IDX_INFO);
- if (req_ii == NULL || req_ii->ii_magic != IDX_INFO_MAGIC)
- RETURN(err_serious(-EPROTO));
-
- rc = req_capsule_server_pack(info->mti_pill);
- if (rc)
- RETURN(err_serious(rc));
-
- rep_ii = req_capsule_server_get(info->mti_pill, &RMF_IDX_INFO);
- if (rep_ii == NULL)
- RETURN(err_serious(-EFAULT));
- rep_ii->ii_magic = IDX_INFO_MAGIC;
-
- /* extract hash to start with */
- rdpg->rp_hash = req_ii->ii_hash_start;
-
- /* extract requested attributes */
- rdpg->rp_attrs = req_ii->ii_attrs;
-
- /* check that fid packed in request is valid and supported */
- if (!fid_is_sane(&req_ii->ii_fid))
- RETURN(-EINVAL);
- rep_ii->ii_fid = req_ii->ii_fid;
-
- /* copy flags */
- rep_ii->ii_flags = req_ii->ii_flags;
-
- /* compute number of pages to allocate, ii_count is the number of 4KB
- * containers */
- if (req_ii->ii_count <= 0)
- GOTO(out, rc = -EFAULT);
- rdpg->rp_count = min_t(unsigned int, req_ii->ii_count << LU_PAGE_SHIFT,
- exp_max_brw_size(info->mti_exp));
- rdpg->rp_npages = (rdpg->rp_count + PAGE_CACHE_SIZE - 1) >>
- PAGE_CACHE_SHIFT;
-
- /* allocate pages to store the containers */
- OBD_ALLOC(rdpg->rp_pages, rdpg->rp_npages * sizeof(rdpg->rp_pages[0]));
- if (rdpg->rp_pages == NULL)
- GOTO(out, rc = -ENOMEM);
- for (i = 0; i < rdpg->rp_npages; i++) {
- rdpg->rp_pages[i] = alloc_page(GFP_IOFS);
- if (rdpg->rp_pages[i] == NULL)
- GOTO(out, rc = -ENOMEM);
- }
-
- /* populate pages with key/record pairs */
- rc = dt_index_read(info->mti_env, mdt->mdt_bottom, rep_ii, rdpg);
- if (rc < 0)
- GOTO(out, rc);
-
- LASSERTF(rc <= rdpg->rp_count, "dt_index_read() returned more than "
- "asked %d > %d\n", rc, rdpg->rp_count);
-
- /* send pages to client */
- rc = mdt_sendpage(info, rdpg, rc);
-
- GOTO(out, rc);
-out:
- if (rdpg->rp_pages) {
- for (i = 0; i < rdpg->rp_npages; i++)
- if (rdpg->rp_pages[i])
- __free_page(rdpg->rp_pages[i]);
- OBD_FREE(rdpg->rp_pages,
- rdpg->rp_npages * sizeof(rdpg->rp_pages[0]));
- }
- return rc;
-}
-
-int mdt_obd_log_cancel(struct mdt_thread_info *info)
-{
- return err_serious(-EOPNOTSUPP);
-}
-
-int mdt_obd_qc_callback(struct mdt_thread_info *info)
-{
- return err_serious(-EOPNOTSUPP);
-}
-
-/*
- * LLOG handlers.
- */
-
/** clone llog ctxt from child (mdd)
* This allows remote llog (replicator) access.
* We can either pass all llog RPCs (eg mdt_llog_create) on to child where the
return 0;
}
-int mdt_llog_create(struct mdt_thread_info *info)
-{
- int rc;
-
- req_capsule_set(info->mti_pill, &RQF_LLOG_ORIGIN_HANDLE_CREATE);
- rc = llog_origin_handle_open(mdt_info_req(info));
- return (rc < 0 ? err_serious(rc) : rc);
-}
-
-int mdt_llog_destroy(struct mdt_thread_info *info)
-{
- int rc;
-
- req_capsule_set(info->mti_pill, &RQF_LLOG_ORIGIN_HANDLE_DESTROY);
- rc = llog_origin_handle_destroy(mdt_info_req(info));
- return (rc < 0 ? err_serious(rc) : rc);
-}
-
-int mdt_llog_read_header(struct mdt_thread_info *info)
-{
- int rc;
-
- req_capsule_set(info->mti_pill, &RQF_LLOG_ORIGIN_HANDLE_READ_HEADER);
- rc = llog_origin_handle_read_header(mdt_info_req(info));
- return (rc < 0 ? err_serious(rc) : rc);
-}
-
-int mdt_llog_next_block(struct mdt_thread_info *info)
-{
- int rc;
-
- req_capsule_set(info->mti_pill, &RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK);
- rc = llog_origin_handle_next_block(mdt_info_req(info));
- return (rc < 0 ? err_serious(rc) : rc);
-}
-
-int mdt_llog_prev_block(struct mdt_thread_info *info)
-{
- int rc;
-
- req_capsule_set(info->mti_pill, &RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK);
- rc = llog_origin_handle_prev_block(mdt_info_req(info));
- return (rc < 0 ? err_serious(rc) : rc);
-}
-
-
-/*
- * DLM handlers.
- */
-
-static struct ldlm_callback_suite cbs = {
- .lcs_completion = ldlm_server_completion_ast,
- .lcs_blocking = ldlm_server_blocking_ast,
- .lcs_glimpse = ldlm_server_glimpse_ast
-};
-
-int mdt_enqueue(struct mdt_thread_info *info)
-{
- struct ptlrpc_request *req;
- int rc;
-
- /*
- * info->mti_dlm_req already contains swapped and (if necessary)
- * converted dlm request.
- */
- LASSERT(info->mti_dlm_req != NULL);
-
- req = mdt_info_req(info);
- rc = ldlm_handle_enqueue0(info->mti_mdt->mdt_namespace,
- req, info->mti_dlm_req, &cbs);
- info->mti_fail_id = OBD_FAIL_LDLM_REPLY;
- return rc ? err_serious(rc) : req->rq_status;
-}
-
-int mdt_convert(struct mdt_thread_info *info)
-{
- int rc;
- struct ptlrpc_request *req;
-
- LASSERT(info->mti_dlm_req);
- req = mdt_info_req(info);
- rc = ldlm_handle_convert0(req, info->mti_dlm_req);
- return rc ? err_serious(rc) : req->rq_status;
-}
-
-int mdt_bl_callback(struct mdt_thread_info *info)
-{
- CERROR("bl callbacks should not happen on MDS\n");
- LBUG();
- return err_serious(-EOPNOTSUPP);
-}
-
-int mdt_cp_callback(struct mdt_thread_info *info)
-{
- CERROR("cp callbacks should not happen on MDS\n");
- LBUG();
- return err_serious(-EOPNOTSUPP);
-}
-
/*
* sec context handlers
*/
-int mdt_sec_ctx_handle(struct mdt_thread_info *info)
+static int mdt_sec_ctx_handle(struct tgt_session_info *tsi)
{
- int rc;
-
- rc = mdt_handle_idmap(info);
+ int rc;
- if (unlikely(rc)) {
- struct ptlrpc_request *req = mdt_info_req(info);
- __u32 opc;
+ rc = mdt_handle_idmap(tsi);
+ if (unlikely(rc)) {
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ __u32 opc;
- opc = lustre_msg_get_opc(req->rq_reqmsg);
- if (opc == SEC_CTX_INIT || opc == SEC_CTX_INIT_CONT)
- sptlrpc_svc_ctx_invalidate(req);
- }
+ opc = lustre_msg_get_opc(req->rq_reqmsg);
+ if (opc == SEC_CTX_INIT || opc == SEC_CTX_INIT_CONT)
+ sptlrpc_svc_ctx_invalidate(req);
+ }
- CFS_FAIL_TIMEOUT(OBD_FAIL_SEC_CTX_HDL_PAUSE, cfs_fail_val);
+ CFS_FAIL_TIMEOUT(OBD_FAIL_SEC_CTX_HDL_PAUSE, cfs_fail_val);
- return rc;
+ return rc;
}
/*
* quota request handlers
*/
-int mdt_quota_dqacq(struct mdt_thread_info *info)
+static int mdt_quota_dqacq(struct tgt_session_info *tsi)
{
- struct lu_device *qmt = info->mti_mdt->mdt_qmt_dev;
+ struct mdt_device *mdt = mdt_exp2dev(tsi->tsi_exp);
+ struct lu_device *qmt = mdt->mdt_qmt_dev;
int rc;
ENTRY;
if (qmt == NULL)
RETURN(err_serious(-EOPNOTSUPP));
- rc = qmt_hdls.qmth_dqacq(info->mti_env, qmt, mdt_info_req(info));
+ rc = qmt_hdls.qmth_dqacq(tsi->tsi_env, qmt, tgt_ses_req(tsi));
RETURN(rc);
}
-static struct mdt_object *mdt_obj(struct lu_object *o)
-{
- LASSERT(lu_device_is_mdt(o->lo_dev));
- return container_of0(o, struct mdt_object, mot_obj);
-}
-
struct mdt_object *mdt_object_new(const struct lu_env *env,
struct mdt_device *d,
const struct lu_fid *f)
RETURN(rc);
}
-int mdt_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
- void *data, int flag)
+/* Used for cross-MDT lock */
+int mdt_remote_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
+ void *data, int flag)
{
struct lustre_handle lockh;
int rc;
}
int mdt_remote_object_lock(struct mdt_thread_info *mti,
- struct mdt_object *o, struct lustre_handle *lh,
- ldlm_mode_t mode, __u64 ibits)
+ struct mdt_object *o, const struct lu_fid *fid,
+ struct lustre_handle *lh, ldlm_mode_t mode,
+ __u64 ibits)
{
struct ldlm_enqueue_info *einfo = &mti->mti_einfo;
ldlm_policy_data_t *policy = &mti->mti_policy;
+ struct ldlm_res_id *res_id = &mti->mti_res_id;
int rc = 0;
ENTRY;
LASSERT(mdt_object_remote(o));
- LASSERT(ibits & MDS_INODELOCK_UPDATE);
+ LASSERT(ibits == MDS_INODELOCK_UPDATE);
+
+ fid_build_reg_res_name(fid, res_id);
memset(einfo, 0, sizeof(*einfo));
einfo->ei_type = LDLM_IBITS;
einfo->ei_mode = mode;
- einfo->ei_cb_bl = mdt_md_blocking_ast;
+ einfo->ei_cb_bl = mdt_remote_blocking_ast;
einfo->ei_cb_cp = ldlm_completion_ast;
+ einfo->ei_enq_slave = 0;
+ einfo->ei_res_id = res_id;
memset(policy, 0, sizeof(*policy));
policy->l_inodebits.bits = ibits;
RETURN(rc);
}
-static int mdt_object_lock0(struct mdt_thread_info *info, struct mdt_object *o,
- struct mdt_lock_handle *lh, __u64 ibits,
- bool nonblock, int locality)
+static int mdt_object_local_lock(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ bool nonblock, int locality)
{
struct ldlm_namespace *ns = info->mti_mdt->mdt_namespace;
ldlm_policy_data_t *policy = &info->mti_policy;
LASSERT(lh->mlh_reg_mode != LCK_MINMODE);
LASSERT(lh->mlh_type != MDT_NUL_LOCK);
- if (mdt_object_remote(o)) {
- if (locality == MDT_CROSS_LOCK) {
- ibits &= ~(MDS_INODELOCK_UPDATE | MDS_INODELOCK_PERM);
- ibits |= MDS_INODELOCK_LOOKUP;
- } else {
- LASSERTF(!(ibits &
- (MDS_INODELOCK_UPDATE | MDS_INODELOCK_PERM)),
- "%s: wrong bit "LPX64" for remote obj "DFID"\n",
- mdt_obd_name(info->mti_mdt), ibits,
- PFID(mdt_object_fid(o)));
- LASSERT(ibits & MDS_INODELOCK_LOOKUP);
- }
- /* No PDO lock on remote object */
- LASSERT(lh->mlh_type != MDT_PDO_LOCK);
- }
+ /* Only enqueue LOOKUP lock for remote object */
+ if (mdt_object_remote(o))
+ LASSERT(ibits == MDS_INODELOCK_LOOKUP);
if (lh->mlh_type == MDT_PDO_LOCK) {
/* check for exists after object is locked */
* want it slowed down due to possible cancels.
*/
policy->l_inodebits.bits = MDS_INODELOCK_UPDATE;
- rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
- policy, res_id, dlmflags,
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(ns, &lh->mlh_pdo_lh, lh->mlh_pdo_mode,
+ policy, res_id, dlmflags,
+ info->mti_exp == NULL ? NULL :
+ &info->mti_exp->exp_handle.h_cookie);
if (unlikely(rc))
RETURN(rc);
}
* 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 | dlmflags,
- &info->mti_exp->exp_handle.h_cookie);
+ rc = mdt_fid_lock(ns, &lh->mlh_reg_lh, lh->mlh_reg_mode, policy,
+ res_id, LDLM_FL_LOCAL_ONLY | dlmflags,
+ info->mti_exp == NULL ? NULL :
+ &info->mti_exp->exp_handle.h_cookie);
if (rc)
mdt_object_unlock(info, o, lh, 1);
else if (unlikely(OBD_FAIL_PRECHECK(OBD_FAIL_MDS_PDO_LOCK)) &&
RETURN(rc);
}
+static int
+mdt_object_lock_internal(struct mdt_thread_info *info, struct mdt_object *o,
+ struct mdt_lock_handle *lh, __u64 ibits,
+ bool nonblock, int locality)
+{
+ int rc;
+ ENTRY;
+
+ if (!mdt_object_remote(o))
+ return mdt_object_local_lock(info, o, lh, ibits, nonblock,
+ locality);
+
+ if (locality == MDT_LOCAL_LOCK) {
+ CERROR("%s: try to get local lock for remote object"
+ DFID".\n", mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)));
+ RETURN(-EPROTO);
+ }
+
+ /* XXX do not support PERM/LAYOUT/XATTR lock for remote object yet */
+ ibits &= ~(MDS_INODELOCK_PERM | MDS_INODELOCK_LAYOUT |
+ MDS_INODELOCK_XATTR);
+ if (ibits & MDS_INODELOCK_UPDATE) {
+ /* Sigh, PDO needs to enqueue 2 locks right now, but
+ * enqueue RPC can only request 1 lock, to avoid extra
+ * RPC, so it will instead enqueue EX lock for remote
+ * object anyway XXX*/
+ if (lh->mlh_type == MDT_PDO_LOCK &&
+ lh->mlh_pdo_hash != 0) {
+ CDEBUG(D_INFO, "%s: "DFID" convert PDO lock to"
+ "EX lock.\n", mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)));
+ lh->mlh_pdo_hash = 0;
+ lh->mlh_rreg_mode = LCK_EX;
+ lh->mlh_type = MDT_REG_LOCK;
+ }
+ rc = mdt_remote_object_lock(info, o, mdt_object_fid(o),
+ &lh->mlh_rreg_lh,
+ lh->mlh_rreg_mode,
+ MDS_INODELOCK_UPDATE);
+ if (rc != ELDLM_OK)
+ RETURN(rc);
+ }
+
+ /* Only enqueue LOOKUP lock for remote object */
+ if (ibits & MDS_INODELOCK_LOOKUP) {
+ rc = mdt_object_local_lock(info, o, lh,
+ MDS_INODELOCK_LOOKUP,
+ nonblock, locality);
+ if (rc != ELDLM_OK)
+ RETURN(rc);
+ }
+
+ RETURN(0);
+}
+
int mdt_object_lock(struct mdt_thread_info *info, struct mdt_object *o,
struct mdt_lock_handle *lh, __u64 ibits, int locality)
{
- return mdt_object_lock0(info, o, lh, ibits, false, locality);
+ return mdt_object_lock_internal(info, o, lh, ibits, false, locality);
}
int mdt_object_lock_try(struct mdt_thread_info *info, struct mdt_object *o,
struct mdt_lock_handle tmp = *lh;
int rc;
- rc = mdt_object_lock0(info, o, &tmp, ibits, true, locality);
+ rc = mdt_object_lock_internal(info, o, &tmp, ibits, true, locality);
if (rc == 0)
*lh = tmp;
LASSERTF(lock != NULL, "no lock for cookie "LPX64"\n",
h->cookie);
- CDEBUG(D_HA, "request = %p reply state = %p"
- " transno = "LPD64"\n",
- req, req->rq_reply_state, req->rq_transno);
- if (mdt_cos_is_enabled(mdt)) {
- no_ack = 1;
- ldlm_lock_downgrade(lock, LCK_COS);
- mode = LCK_COS;
- }
- ptlrpc_save_lock(req, h, mode, no_ack);
+ /* there is no request if mdt_object_unlock() is called
+ * from mdt_export_cleanup()->mdt_add_dirty_flag() */
+ if (likely(req != NULL)) {
+ CDEBUG(D_HA, "request = %p reply state = %p"
+ " transno = "LPD64"\n", req,
+ req->rq_reply_state, req->rq_transno);
+ if (mdt_cos_is_enabled(mdt)) {
+ no_ack = 1;
+ ldlm_lock_downgrade(lock, LCK_COS);
+ mode = LCK_COS;
+ }
+ ptlrpc_save_lock(req, h, mode, no_ack);
+ } else {
+ ldlm_lock_decref(h, mode);
+ }
if (mdt_is_lock_sync(lock)) {
CDEBUG(D_HA, "found sync-lock,"
" async commit started\n");
mdt_object_put(info->mti_env, o);
}
-struct mdt_handler *mdt_handler_find(__u32 opc, struct mdt_opc_slice *supported)
-{
- struct mdt_opc_slice *s;
- struct mdt_handler *h;
-
- h = NULL;
- for (s = supported; s->mos_hs != NULL; s++) {
- if (s->mos_opc_start <= opc && opc < s->mos_opc_end) {
- h = s->mos_hs + (opc - s->mos_opc_start);
- if (likely(h->mh_opc != 0))
- LASSERTF(h->mh_opc == opc,
- "opcode mismatch %d != %d\n",
- h->mh_opc, opc);
- else
- h = NULL; /* unsupported opc */
- break;
- }
- }
- return h;
-}
-
-static int mdt_lock_resname_compat(struct mdt_device *m,
- struct ldlm_request *req)
-{
- /* XXX something... later. */
- return 0;
-}
-
-static int mdt_lock_reply_compat(struct mdt_device *m, struct ldlm_reply *rep)
-{
- /* XXX something... later. */
- return 0;
-}
-
/*
* Generic code handling requests that have struct mdt_body passed in:
*
/* Pack reply. */
if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER))
req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER,
- info->mti_body->eadatasize);
+ DEF_REP_MD_SIZE);
if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
req_capsule_set_size(pill, &RMF_LOGCOOKIES,
RCL_SERVER, 0);
static int mdt_init_capa_ctxt(const struct lu_env *env, struct mdt_device *m)
{
- struct md_device *next = m->mdt_child;
-
- return next->md_ops->mdo_init_capa_ctxt(env, next,
- m->mdt_opts.mo_mds_capa,
- m->mdt_capa_timeout,
- m->mdt_capa_alg,
- m->mdt_capa_keys);
-}
-
-/*
- * Invoke handler for this request opc. Also do necessary preprocessing
- * (according to handler ->mh_flags), and post-processing (setting of
- * ->last_{xid,committed}).
- */
-static int mdt_req_handle(struct mdt_thread_info *info,
- struct mdt_handler *h, struct ptlrpc_request *req)
-{
- int rc, serious = 0;
- __u32 flags;
-
- ENTRY;
-
- LASSERT(h->mh_act != NULL);
- LASSERT(h->mh_opc == lustre_msg_get_opc(req->rq_reqmsg));
- LASSERT(current->journal_info == NULL);
-
- /*
- * Checking for various OBD_FAIL_$PREF_$OPC_NET codes. _Do_ not try
- * to put same checks into handlers like mdt_close(), mdt_reint(),
- * etc., without talking to mdt authors first. Checking same thing
- * there again is useless and returning 0 error without packing reply
- * is buggy! Handlers either pack reply or return error.
- *
- * We return 0 here and do not send any reply in order to emulate
- * network failure. Do not send any reply in case any of NET related
- * fail_id has occured.
- */
- if (OBD_FAIL_CHECK_ORSET(h->mh_fail_id, OBD_FAIL_ONCE))
- RETURN(0);
-
- rc = 0;
- flags = h->mh_flags;
- LASSERT(ergo(flags & (HABEO_CORPUS|HABEO_REFERO), h->mh_fmt != NULL));
-
- if (h->mh_fmt != NULL) {
- req_capsule_set(info->mti_pill, h->mh_fmt);
- rc = mdt_unpack_req_pack_rep(info, flags);
- }
-
- if (rc == 0 && flags & MUTABOR &&
- exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
- /* should it be rq_status? */
- rc = -EROFS;
-
- if (rc == 0 && flags & HABEO_CLAVIS) {
- struct ldlm_request *dlm_req;
-
- LASSERT(h->mh_fmt != NULL);
-
- dlm_req = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
- if (dlm_req != NULL) {
- if (unlikely(dlm_req->lock_desc.l_resource.lr_type ==
- LDLM_IBITS &&
- dlm_req->lock_desc.l_policy_data.\
- l_inodebits.bits == 0)) {
- /*
- * Lock without inodebits makes no sense and
- * will oops later in ldlm. If client miss to
- * set such bits, do not trigger ASSERTION.
- *
- * For liblustre flock case, it maybe zero.
- */
- rc = -EPROTO;
- } else {
- if (info->mti_mdt &&
- info->mti_mdt->mdt_opts.mo_compat_resname)
- rc = mdt_lock_resname_compat(
- info->mti_mdt,
- dlm_req);
- info->mti_dlm_req = dlm_req;
- }
- } else {
- rc = -EFAULT;
- }
- }
-
- /* capability setting changed via /proc, needs reinitialize ctxt */
- if (info->mti_mdt && info->mti_mdt->mdt_capa_conf) {
- mdt_init_capa_ctxt(info->mti_env, info->mti_mdt);
- info->mti_mdt->mdt_capa_conf = 0;
- }
-
- if (likely(rc == 0)) {
- /*
- * Process request, there can be two types of rc:
- * 1) errors with msg unpack/pack, other failures outside the
- * operation itself. This is counted as serious errors;
- * 2) errors during fs operation, should be placed in rq_status
- * only
- */
- rc = h->mh_act(info);
- if (rc == 0 &&
- !req->rq_no_reply && req->rq_reply_state == NULL) {
- DEBUG_REQ(D_ERROR, req, "MDT \"handler\" %s did not "
- "pack reply and returned 0 error\n",
- h->mh_name);
- LBUG();
- }
- serious = is_serious(rc);
- rc = clear_serious(rc);
- } else
- serious = 1;
-
- req->rq_status = rc;
-
- /*
- * ELDLM_* codes which > 0 should be in rq_status only as well as
- * all non-serious errors.
- */
- if (rc > 0 || !serious)
- rc = 0;
-
- LASSERT(current->journal_info == NULL);
-
- if (rc == 0 && (flags & HABEO_CLAVIS) && info->mti_mdt &&
- info->mti_mdt->mdt_opts.mo_compat_resname) {
- struct ldlm_reply *dlmrep;
-
- dlmrep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
- if (dlmrep != NULL)
- rc = mdt_lock_reply_compat(info->mti_mdt, dlmrep);
- }
-
- /* If we're DISCONNECTing, the mdt_export_data is already freed */
- if (likely(rc == 0 && req->rq_export && h->mh_opc != MDS_DISCONNECT))
- target_committed_to_req(req);
+ struct md_device *next = m->mdt_child;
- if (unlikely(req_is_replay(req) &&
- lustre_msg_get_transno(req->rq_reqmsg) == 0)) {
- DEBUG_REQ(D_ERROR, req, "transno is 0 during REPLAY");
- LBUG();
- }
-
- target_send_reply(req, rc, info->mti_fail_id);
- RETURN(0);
+ return next->md_ops->mdo_init_capa_ctxt(env, next,
+ m->mdt_lut.lut_mds_capa,
+ m->mdt_capa_timeout,
+ m->mdt_capa_alg,
+ m->mdt_capa_keys);
}
void mdt_lock_handle_init(struct mdt_lock_handle *lh)
info->mti_exp = req->rq_export;
} else
info->mti_mdt = NULL;
- info->mti_env = req->rq_svc_thread->t_env;
- info->mti_fail_id = OBD_FAIL_MDS_ALL_REPLY_NET;
- info->mti_transno = lustre_msg_get_transno(req->rq_reqmsg);
- info->mti_mos = NULL;
+ info->mti_env = req->rq_svc_thread->t_env;
+ info->mti_transno = lustre_msg_get_transno(req->rq_reqmsg);
memset(&info->mti_attr, 0, sizeof(info->mti_attr));
info->mti_big_buf = LU_BUF_NULL;
info->mti_opdata = 0;
info->mti_big_lmm_used = 0;
- /* To not check for split by default. */
info->mti_spec.no_create = 0;
info->mti_spec.sp_rm_entry = 0;
+
+ info->mti_spec.u.sp_ea.eadata = NULL;
+ info->mti_spec.u.sp_ea.eadatalen = 0;
}
void mdt_thread_info_fini(struct mdt_thread_info *info)
info->mti_pill = NULL;
info->mti_exp = NULL;
- if (unlikely(info->mti_big_buf.lb_buf != NULL))
- lu_buf_free(&info->mti_big_buf);
-}
-
-int mdt_tgt_connect(struct tgt_session_info *tsi)
-{
- struct ptlrpc_request *req = tgt_ses_req(tsi);
- struct mdt_thread_info *mti;
- int rc;
-
- ENTRY;
-
- rc = tgt_connect(tsi);
- if (rc != 0)
- RETURN(rc);
-
- /* XXX: switch mdt_init_idmap() to use tgt_session_info */
- lu_env_refill((void *)tsi->tsi_env);
- mti = lu_context_key_get(&tsi->tsi_env->le_ctx, &mdt_thread_key);
- LASSERT(mti != NULL);
-
- mdt_thread_info_init(req, mti);
- rc = mdt_init_idmap(mti);
- mdt_thread_info_fini(mti);
- if (rc != 0)
- GOTO(err, rc);
- RETURN(0);
-err:
- obd_disconnect(class_export_get(req->rq_export));
- return rc;
-}
-
-static int mdt_filter_recovery_request(struct ptlrpc_request *req,
- struct obd_device *obd, int *process)
-{
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case MDS_CONNECT: /* This will never get here, but for completeness. */
- case OST_CONNECT: /* This will never get here, but for completeness. */
- case MDS_DISCONNECT:
- case OST_DISCONNECT:
- case OBD_IDX_READ:
- *process = 1;
- RETURN(0);
-
- case MDS_CLOSE:
- case MDS_DONE_WRITING:
- case MDS_SYNC: /* used in unmounting */
- case OBD_PING:
- case MDS_REINT:
- case UPDATE_OBJ:
- case SEQ_QUERY:
- case FLD_QUERY:
- case LDLM_ENQUEUE:
- *process = target_queue_recovery_request(req, obd);
- RETURN(0);
-
- default:
- DEBUG_REQ(D_ERROR, req, "not permitted during recovery");
- *process = -EAGAIN;
- RETURN(0);
- }
-}
-
-/*
- * Handle recovery. Return:
- * +1: continue request processing;
- * -ve: abort immediately with the given error code;
- * 0: send reply with error code in req->rq_status;
- */
-static int mdt_recovery(struct mdt_thread_info *info)
-{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct obd_device *obd;
-
- ENTRY;
-
- switch (lustre_msg_get_opc(req->rq_reqmsg)) {
- case MDS_CONNECT:
- case SEC_CTX_INIT:
- case SEC_CTX_INIT_CONT:
- case SEC_CTX_FINI:
- {
-#if 0
- int rc;
-
- rc = mdt_handle_idmap(info);
- if (rc)
- RETURN(rc);
- else
-#endif
- RETURN(+1);
- }
- }
-
- if (unlikely(!class_connected_export(req->rq_export))) {
- CDEBUG(D_HA, "operation %d on unconnected MDS from %s\n",
- lustre_msg_get_opc(req->rq_reqmsg),
- libcfs_id2str(req->rq_peer));
- /* FIXME: For CMD cleanup, when mds_B stop, the req from
- * mds_A will get -ENOTCONN(especially for ping req),
- * which will cause that mds_A deactive timeout, then when
- * mds_A cleanup, the cleanup process will be suspended since
- * deactive timeout is not zero.
- */
- req->rq_status = -ENOTCONN;
- target_send_reply(req, -ENOTCONN, info->mti_fail_id);
- RETURN(0);
- }
-
- /* sanity check: if the xid matches, the request must be marked as a
- * resent or replayed */
- if (req_xid_is_last(req)) {
- if (!(lustre_msg_get_flags(req->rq_reqmsg) &
- (MSG_RESENT | MSG_REPLAY))) {
- DEBUG_REQ(D_WARNING, req, "rq_xid "LPU64" matches last_xid, "
- "expected REPLAY or RESENT flag (%x)", req->rq_xid,
- lustre_msg_get_flags(req->rq_reqmsg));
- LBUG();
- req->rq_status = -ENOTCONN;
- RETURN(-ENOTCONN);
- }
- }
-
- /* else: note the opposite is not always true; a RESENT req after a
- * failover will usually not match the last_xid, since it was likely
- * never committed. A REPLAYed request will almost never match the
- * last xid, however it could for a committed, but still retained,
- * open. */
-
- obd = req->rq_export->exp_obd;
-
- /* Check for aborted recovery... */
- if (unlikely(obd->obd_recovering)) {
- int rc;
- int should_process;
- DEBUG_REQ(D_INFO, req, "Got new replay");
- rc = mdt_filter_recovery_request(req, obd, &should_process);
- if (rc != 0 || !should_process)
- RETURN(rc);
- else if (should_process < 0) {
- req->rq_status = should_process;
- rc = ptlrpc_error(req);
- RETURN(rc);
- }
- }
- RETURN(+1);
-}
-
-static int mdt_msg_check_version(struct lustre_msg *msg)
-{
- int rc;
-
- switch (lustre_msg_get_opc(msg)) {
- case MDS_CONNECT:
- case MDS_DISCONNECT:
- case OBD_PING:
- case SEC_CTX_INIT:
- case SEC_CTX_INIT_CONT:
- case SEC_CTX_FINI:
- case OBD_IDX_READ:
- rc = lustre_msg_check_version(msg, LUSTRE_OBD_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_OBD_VERSION);
- break;
- case MDS_GETSTATUS:
- case MDS_GETATTR:
- case MDS_GETATTR_NAME:
- case MDS_STATFS:
- case MDS_READPAGE:
- case MDS_WRITEPAGE:
- case MDS_IS_SUBDIR:
- case MDS_REINT:
- case MDS_CLOSE:
- case MDS_DONE_WRITING:
- case MDS_PIN:
- case MDS_SYNC:
- case MDS_GETXATTR:
- case MDS_SETXATTR:
- case MDS_SET_INFO:
- case MDS_GET_INFO:
- case MDS_HSM_PROGRESS:
- case MDS_HSM_REQUEST:
- case MDS_HSM_CT_REGISTER:
- case MDS_HSM_CT_UNREGISTER:
- case MDS_HSM_STATE_GET:
- case MDS_HSM_STATE_SET:
- case MDS_HSM_ACTION:
- case MDS_QUOTACHECK:
- case MDS_QUOTACTL:
- case UPDATE_OBJ:
- case MDS_SWAP_LAYOUTS:
- case QUOTA_DQACQ:
- case QUOTA_DQREL:
- case SEQ_QUERY:
- case FLD_QUERY:
- rc = lustre_msg_check_version(msg, LUSTRE_MDS_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_MDS_VERSION);
- break;
- case LDLM_ENQUEUE:
- case LDLM_CONVERT:
- case LDLM_BL_CALLBACK:
- case LDLM_CP_CALLBACK:
- rc = lustre_msg_check_version(msg, LUSTRE_DLM_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_DLM_VERSION);
- break;
- case OBD_LOG_CANCEL:
- case LLOG_ORIGIN_HANDLE_CREATE:
- case LLOG_ORIGIN_HANDLE_NEXT_BLOCK:
- case LLOG_ORIGIN_HANDLE_READ_HEADER:
- case LLOG_ORIGIN_HANDLE_CLOSE:
- case LLOG_ORIGIN_HANDLE_DESTROY:
- case LLOG_ORIGIN_HANDLE_PREV_BLOCK:
- case LLOG_CATINFO:
- rc = lustre_msg_check_version(msg, LUSTRE_LOG_VERSION);
- if (rc)
- CERROR("bad opc %u version %08x, expecting %08x\n",
- lustre_msg_get_opc(msg),
- lustre_msg_get_version(msg),
- LUSTRE_LOG_VERSION);
- break;
- default:
- CERROR("MDS unknown opcode %d\n", lustre_msg_get_opc(msg));
- rc = -ENOTSUPP;
- }
- return rc;
-}
-
-static int mdt_handle0(struct ptlrpc_request *req,
- struct mdt_thread_info *info,
- struct mdt_opc_slice *supported)
-{
- struct mdt_handler *h;
- struct lustre_msg *msg;
- int rc;
-
- ENTRY;
-
- if (OBD_FAIL_CHECK_ORSET(OBD_FAIL_MDS_ALL_REQUEST_NET, OBD_FAIL_ONCE))
- RETURN(0);
-
- LASSERT(current->journal_info == NULL);
-
- msg = req->rq_reqmsg;
- rc = mdt_msg_check_version(msg);
- if (likely(rc == 0)) {
- rc = mdt_recovery(info);
- if (likely(rc == +1)) {
- h = mdt_handler_find(lustre_msg_get_opc(msg),
- supported);
- if (likely(h != NULL)) {
- rc = mdt_req_handle(info, h, req);
- } else {
- CERROR("%s: opc unsupported: 0x%x\n",
- mdt_obd_name(info->mti_mdt),
- lustre_msg_get_opc(msg));
- req->rq_status = -ENOTSUPP;
- rc = ptlrpc_error(req);
- RETURN(rc);
- }
- }
- } else {
- CDEBUG(D_INFO, "%s: drops mal-formed request: rc = %d\n",
- mdt_obd_name(info->mti_mdt), rc);
- req->rq_status = rc;
- rc = ptlrpc_error(req);
- }
- RETURN(rc);
+ if (unlikely(info->mti_big_buf.lb_buf != NULL))
+ lu_buf_free(&info->mti_big_buf);
}
-/*
- * MDT handler function called by ptlrpc service thread when request comes.
- *
- * XXX common "target" functionality should be factored into separate module
- * shared by mdt, ost and stand-alone services like fld.
- */
-int mdt_handle_common(struct ptlrpc_request *req,
- struct mdt_opc_slice *supported)
+struct mdt_thread_info *tsi2mdt_info(struct tgt_session_info *tsi)
{
- struct lu_env *env;
- struct mdt_thread_info *info;
- int rc;
- ENTRY;
+ struct mdt_thread_info *mti;
+ struct lustre_capa *lc;
- env = req->rq_svc_thread->t_env;
- LASSERT(env != NULL);
- /* Refill(initilize) the context(mdt_thread_info), in case it is
- * not initialized yet. Usually it happens during start up, after
- * MDS(ptlrpc threads) is start up, it gets the first CONNECT request,
- * before MDT_thread_info is initialized */
- lu_env_refill(env);
- LASSERT(env->le_ses != NULL);
- LASSERT(env->le_ctx.lc_thread == req->rq_svc_thread);
- info = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
- LASSERT(info != NULL);
+ mti = mdt_th_info(tsi->tsi_env);
+ LASSERT(mti != NULL);
- req_capsule_init(&req->rq_pill, req, RCL_SERVER);
- mdt_thread_info_init(req, info);
+ mdt_thread_info_init(tgt_ses_req(tsi), mti);
+ if (tsi->tsi_corpus != NULL) {
+ struct req_capsule *pill = tsi->tsi_pill;
- rc = mdt_handle0(req, info, supported);
+ mti->mti_object = mdt_obj(tsi->tsi_corpus);
+ lu_object_get(tsi->tsi_corpus);
- mdt_thread_info_fini(info);
- req_capsule_fini(&req->rq_pill);
- RETURN(rc);
+ /*
+ * XXX: must be part of tgt_mdt_body_unpack but moved here
+ * due to mdt_set_capainfo().
+ */
+ if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_CLIENT) &&
+ req_capsule_get_size(pill, &RMF_CAPA1, RCL_CLIENT) > 0) {
+ lc = req_capsule_client_get(pill, &RMF_CAPA1);
+ mdt_set_capainfo(mti, 0, &tsi->tsi_mdt_body->fid1, lc);
+ }
+ }
+ mti->mti_body = tsi->tsi_mdt_body;
+ mti->mti_dlm_req = tsi->tsi_dlm_req;
+
+ return mti;
}
-/*
- * This is called from recovery code as handler of _all_ RPC types, FLD and SEQ
- * as well.
- */
-int mdt_recovery_handle(struct ptlrpc_request *req)
+static int mdt_tgt_connect(struct tgt_session_info *tsi)
{
- int rc;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ int rc;
ENTRY;
- rc = mdt_handle_common(req, mdt_regular_handlers);
+ rc = tgt_connect(tsi);
+ if (rc != 0)
+ RETURN(rc);
- RETURN(rc);
+ rc = mdt_init_idmap(tsi);
+ if (rc != 0)
+ GOTO(err, rc);
+ RETURN(0);
+err:
+ obd_disconnect(class_export_get(req->rq_export));
+ return rc;
}
enum mdt_it_code {
}
};
-int mdt_intent_lock_replace(struct mdt_thread_info *info,
- struct ldlm_lock **lockp,
- struct ldlm_lock *new_lock,
- struct mdt_lock_handle *lh,
- __u64 flags)
+static int
+mdt_intent_lock_replace(struct mdt_thread_info *info, struct ldlm_lock **lockp,
+ struct ldlm_lock *new_lock, struct mdt_lock_handle *lh,
+ __u64 flags)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct ldlm_lock *lock = *lockp;
}
static void mdt_intent_fixup_resent(struct mdt_thread_info *info,
- struct ldlm_lock *new_lock,
- struct ldlm_lock **old_lock,
- struct mdt_lock_handle *lh)
+ struct ldlm_lock *new_lock,
+ struct ldlm_lock **old_lock,
+ struct mdt_lock_handle *lh,
+ enum mdt_it_code opcode)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct obd_export *exp = req->rq_export;
dlmreq = req_capsule_client_get(info->mti_pill, &RMF_DLM_REQ);
remote_hdl = dlmreq->lock_handle[0];
-
- /* In the function below, .hs_keycmp resolves to
- * ldlm_export_lock_keycmp() */
- /* coverity[overrun-buffer-val] */
- lock = cfs_hash_lookup(exp->exp_lock_hash, &remote_hdl);
- if (lock) {
- if (lock != new_lock) {
- lh->mlh_reg_lh.cookie = lock->l_handle.h_cookie;
- lh->mlh_reg_mode = lock->l_granted_mode;
-
- LDLM_DEBUG(lock, "Restoring lock cookie");
- DEBUG_REQ(D_DLMTRACE, req,
- "restoring lock cookie "LPX64,
- lh->mlh_reg_lh.cookie);
- if (old_lock)
- *old_lock = LDLM_LOCK_GET(lock);
- cfs_hash_put(exp->exp_lock_hash, &lock->l_exp_hash);
- return;
- }
-
- cfs_hash_put(exp->exp_lock_hash, &lock->l_exp_hash);
- }
-
+ /* If the client does not require open lock, it does not need to
+ * search lock in exp_lock_hash, since the server thread will
+ * make sure the lock will be released, and the resend request
+ * can always re-enqueue the lock */
+ if ((opcode != MDT_IT_OPEN) || (opcode == MDT_IT_OPEN &&
+ info->mti_spec.sp_cr_flags & MDS_OPEN_LOCK)) {
+ /* In the function below, .hs_keycmp resolves to
+ * ldlm_export_lock_keycmp() */
+ /* coverity[overrun-buffer-val] */
+ lock = cfs_hash_lookup(exp->exp_lock_hash, &remote_hdl);
+ if (lock) {
+ lock_res_and_lock(lock);
+ if (lock != new_lock) {
+ lh->mlh_reg_lh.cookie = lock->l_handle.h_cookie;
+ lh->mlh_reg_mode = lock->l_granted_mode;
+
+ LDLM_DEBUG(lock, "Restoring lock cookie");
+ DEBUG_REQ(D_DLMTRACE, req,
+ "restoring lock cookie "LPX64,
+ lh->mlh_reg_lh.cookie);
+ if (old_lock)
+ *old_lock = LDLM_LOCK_GET(lock);
+ cfs_hash_put(exp->exp_lock_hash,
+ &lock->l_exp_hash);
+ unlock_res_and_lock(lock);
+ return;
+ }
+ cfs_hash_put(exp->exp_lock_hash, &lock->l_exp_hash);
+ unlock_res_and_lock(lock);
+ }
+ }
/*
* If the xid matches, then we know this is a resent request, and allow
* it. (It's probably an OPEN, for which we don't send a lock.
* (for the resend case) or a new lock. Below we will use it to
* replace the original lock.
*/
- mdt_intent_fixup_resent(info, *lockp, NULL, lhc);
+ mdt_intent_fixup_resent(info, *lockp, NULL, lhc, opcode);
if (!lustre_handle_is_used(&lhc->mlh_reg_lh)) {
mdt_lock_reg_init(lhc, (*lockp)->l_req_mode);
rc = mdt_object_lock(info, info->mti_object, lhc,
struct ldlm_lock *new_lock = NULL;
__u64 child_bits;
struct ldlm_reply *ldlm_rep;
- struct ptlrpc_request *req;
struct mdt_body *reqbody;
struct mdt_body *repbody;
int rc, rc2;
if (rc)
GOTO(out_shrink, rc);
- req = info->mti_pill->rc_req;
ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
mdt_set_disposition(info, ldlm_rep, DISP_IT_EXECD);
- /* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, &new_lock, lhc);
+ /* Get lock from request for possible resent case. */
+ mdt_intent_fixup_resent(info, *lockp, &new_lock, lhc, opcode);
rc = mdt_getattr_name_lock(info, lhc, child_bits, ldlm_rep);
ldlm_rep->lock_policy_res2 = clear_serious(rc);
struct layout_intent *layout;
struct lu_fid *fid;
struct mdt_object *obj = NULL;
- struct md_object *child = NULL;
- int rc;
+ int rc = 0;
ENTRY;
if (opcode != MDT_IT_LAYOUT) {
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);
+ rc = mdt_attr_get_eabuf_size(info, obj);
+ if (rc < 0)
+ RETURN(rc);
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));
+ req_capsule_set_size(info->mti_pill, &RMF_DLM_LVB, RCL_SERVER, rc);
rc = req_capsule_server_pack(info->mti_pill);
if (rc != 0)
RETURN(-EINVAL);
ENTRY;
- opc = mdt_reint_opcode(info, intent_fmts);
+ opc = mdt_reint_opcode(mdt_info_req(info), intent_fmts);
if (opc < 0)
RETURN(opc);
RETURN(err_serious(-EPROTO));
}
- /* Get lock from request for possible resent case. */
- mdt_intent_fixup_resent(info, *lockp, NULL, lhc);
+ /* Get lock from request for possible resent case. */
+ mdt_intent_fixup_resent(info, *lockp, NULL, lhc, opcode);
rc = mdt_reint_internal(info, lhc, opc);
struct ldlm_lock **lockp, void *req_cookie,
ldlm_mode_t mode, __u64 flags, void *data)
{
- struct mdt_thread_info *info;
- struct ptlrpc_request *req = req_cookie;
- struct ldlm_intent *it;
- struct req_capsule *pill;
- int rc;
+ struct tgt_session_info *tsi;
+ struct mdt_thread_info *info;
+ struct ptlrpc_request *req = req_cookie;
+ struct ldlm_intent *it;
+ struct req_capsule *pill;
+ int rc;
- ENTRY;
+ ENTRY;
- LASSERT(req != NULL);
+ LASSERT(req != NULL);
- info = lu_context_key_get(&req->rq_svc_thread->t_env->le_ctx,
- &mdt_thread_key);
+ tsi = tgt_ses_info(req->rq_svc_thread->t_env);
+
+ info = tsi2mdt_info(tsi);
LASSERT(info != NULL);
pill = info->mti_pill;
LASSERT(pill->rc_req == req);
if (rc)
rc = err_serious(rc);
}
- RETURN(rc);
+ mdt_thread_info_fini(info);
+ RETURN(rc);
}
-static int mdt_seq_fini(const struct lu_env *env,
- struct mdt_device *m)
+static void mdt_deregister_seq_exp(struct mdt_device *mdt)
+{
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+
+ if (ss->ss_node_id == 0)
+ return;
+
+ if (ss->ss_client_seq != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ }
+
+ if (ss->ss_server_fld != NULL) {
+ lustre_deregister_lwp_item(&ss->ss_server_fld->lsf_control_exp);
+ ss->ss_server_fld->lsf_control_exp = NULL;
+ }
+}
+
+static void mdt_seq_fini_cli(struct mdt_device *mdt)
{
- return seq_site_fini(env, mdt_seq_site(m));
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+
+ if (ss == NULL)
+ return;
+
+ if (ss->ss_server_seq != NULL)
+ seq_server_set_cli(NULL, ss->ss_server_seq, NULL);
}
-static int mdt_seq_init(const struct lu_env *env,
- const char *uuid,
- struct mdt_device *m)
+static int mdt_seq_fini(const struct lu_env *env, struct mdt_device *mdt)
{
- struct seq_server_site *ss;
- char *prefix;
- int rc;
+ mdt_seq_fini_cli(mdt);
+ mdt_deregister_seq_exp(mdt);
+
+ return seq_site_fini(env, mdt_seq_site(mdt));
+}
+
+/**
+ * It will retrieve its FLDB entries from MDT0, and it only happens
+ * when upgrading existent FS to 2.6 or when local FLDB is corrupted,
+ * and it needs to refresh FLDB from the MDT0.
+ **/
+static int mdt_register_lwp_callback(void *data)
+{
+ struct lu_env env;
+ struct mdt_device *mdt = data;
+ struct lu_server_fld *fld = mdt_seq_site(mdt)->ss_server_fld;
+ int rc;
ENTRY;
- ss = mdt_seq_site(m);
+ LASSERT(mdt_seq_site(mdt)->ss_node_id != 0);
- /*
- * This is sequence-controller node. Init seq-controller server on local
- * MDT.
- */
- if (ss->ss_node_id == 0) {
- LASSERT(ss->ss_control_seq == NULL);
+ if (!likely(fld->lsf_new))
+ RETURN(0);
- OBD_ALLOC_PTR(ss->ss_control_seq);
- if (ss->ss_control_seq == NULL)
- RETURN(-ENOMEM);
+ rc = lu_env_init(&env, LCT_MD_THREAD);
+ if (rc) {
+ CERROR("%s: cannot init env: rc = %d\n", mdt_obd_name(mdt), rc);
+ RETURN(rc);
+ }
+
+ rc = fld_update_from_controller(&env, fld);
+ if (rc != 0) {
+ CERROR("%s: cannot update controller: rc = %d\n",
+ mdt_obd_name(mdt), rc);
+ GOTO(out, rc);
+ }
+out:
+ lu_env_fini(&env);
+ RETURN(rc);
+}
- rc = seq_server_init(ss->ss_control_seq,
- m->mdt_bottom, uuid,
- LUSTRE_SEQ_CONTROLLER,
- ss,
- env);
+static int mdt_register_seq_exp(struct mdt_device *mdt)
+{
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+ char *lwp_name = NULL;
+ int rc;
- if (rc)
- GOTO(out_seq_fini, rc);
+ if (ss->ss_node_id == 0)
+ return 0;
- OBD_ALLOC_PTR(ss->ss_client_seq);
- if (ss->ss_client_seq == NULL)
- GOTO(out_seq_fini, rc = -ENOMEM);
+ OBD_ALLOC(lwp_name, MAX_OBD_NAME);
+ if (lwp_name == NULL)
+ GOTO(out_free, rc = -ENOMEM);
- OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
- if (prefix == NULL) {
- OBD_FREE_PTR(ss->ss_client_seq);
- GOTO(out_seq_fini, rc = -ENOMEM);
- }
+ rc = tgt_name2lwp_name(mdt_obd_name(mdt), lwp_name, MAX_OBD_NAME, 0);
+ if (rc != 0)
+ GOTO(out_free, rc);
- snprintf(prefix, MAX_OBD_NAME + 5, "ctl-%s",
- uuid);
+ rc = lustre_register_lwp_item(lwp_name, &ss->ss_client_seq->lcs_exp,
+ NULL, NULL);
+ if (rc != 0)
+ GOTO(out_free, rc);
- /*
- * Init seq-controller client after seq-controller server is
- * ready. Pass ss->ss_control_seq to it for direct talking.
- */
- rc = seq_client_init(ss->ss_client_seq, NULL,
- LUSTRE_SEQ_METADATA, prefix,
- ss->ss_control_seq);
- OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ rc = lustre_register_lwp_item(lwp_name,
+ &ss->ss_server_fld->lsf_control_exp,
+ mdt_register_lwp_callback, mdt);
+ if (rc != 0) {
+ lustre_deregister_lwp_item(&ss->ss_client_seq->lcs_exp);
+ ss->ss_client_seq->lcs_exp = NULL;
+ GOTO(out_free, rc);
+ }
+out_free:
+ if (lwp_name != NULL)
+ OBD_FREE(lwp_name, MAX_OBD_NAME);
+
+ return rc;
+}
+
+/*
+ * Init client sequence manager which is used by local MDS to talk to sequence
+ * controller on remote node.
+ */
+static int mdt_seq_init_cli(const struct lu_env *env, struct mdt_device *mdt)
+{
+ struct seq_server_site *ss = mdt_seq_site(mdt);
+ int rc;
+ char *prefix;
+ ENTRY;
+
+ /* check if this is adding the first MDC and controller is not yet
+ * initialized. */
+ OBD_ALLOC_PTR(ss->ss_client_seq);
+ if (ss->ss_client_seq == NULL)
+ RETURN(-ENOMEM);
+
+ OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
+ if (prefix == NULL) {
+ OBD_FREE_PTR(ss->ss_client_seq);
+ ss->ss_client_seq = NULL;
+ RETURN(-ENOMEM);
+ }
+
+ /* Note: seq_client_fini will be called in seq_site_fini */
+ snprintf(prefix, MAX_OBD_NAME + 5, "ctl-%s", mdt_obd_name(mdt));
+ rc = seq_client_init(ss->ss_client_seq, NULL, LUSTRE_SEQ_METADATA,
+ prefix, ss->ss_node_id == 0 ? ss->ss_control_seq :
+ NULL);
+ OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ if (rc != 0) {
+ OBD_FREE_PTR(ss->ss_client_seq);
+ ss->ss_client_seq = NULL;
+ RETURN(rc);
+ }
+
+ rc = seq_server_set_cli(env, ss->ss_server_seq, ss->ss_client_seq);
+ RETURN(rc);
+}
+
+static int mdt_seq_init(const struct lu_env *env, struct mdt_device *mdt)
+{
+ struct seq_server_site *ss;
+ int rc;
+ ENTRY;
+
+ ss = mdt_seq_site(mdt);
+ /* init sequence controller server(MDT0) */
+ if (ss->ss_node_id == 0) {
+ OBD_ALLOC_PTR(ss->ss_control_seq);
+ if (ss->ss_control_seq == NULL)
+ RETURN(-ENOMEM);
+
+ rc = seq_server_init(env, ss->ss_control_seq, mdt->mdt_bottom,
+ mdt_obd_name(mdt), LUSTRE_SEQ_CONTROLLER,
+ ss);
if (rc)
GOTO(out_seq_fini, rc);
}
- /* Init seq-server on local MDT */
- LASSERT(ss->ss_server_seq == NULL);
-
+ /* Init normal sequence server */
OBD_ALLOC_PTR(ss->ss_server_seq);
if (ss->ss_server_seq == NULL)
GOTO(out_seq_fini, rc = -ENOMEM);
- rc = seq_server_init(ss->ss_server_seq,
- m->mdt_bottom, uuid,
- LUSTRE_SEQ_SERVER,
- ss,
- env);
+ rc = seq_server_init(env, ss->ss_server_seq, mdt->mdt_bottom,
+ mdt_obd_name(mdt), LUSTRE_SEQ_SERVER, ss);
if (rc)
- GOTO(out_seq_fini, rc = -ENOMEM);
+ GOTO(out_seq_fini, rc);
- /* Assign seq-controller client to local seq-server. */
- if (ss->ss_node_id == 0) {
- LASSERT(ss->ss_client_seq != NULL);
+ /* init seq client for seq server to talk to seq controller(MDT0) */
+ rc = mdt_seq_init_cli(env, mdt);
+ if (rc != 0)
+ GOTO(out_seq_fini, rc);
- rc = seq_server_set_cli(ss->ss_server_seq,
- ss->ss_client_seq,
- env);
- }
+ if (ss->ss_node_id != 0)
+ /* register controler export through lwp */
+ rc = mdt_register_seq_exp(mdt);
EXIT;
out_seq_fini:
if (rc)
- mdt_seq_fini(env, m);
+ mdt_seq_fini(env, mdt);
return rc;
}
RETURN(rc = -ENOMEM);
rc = fld_server_init(env, ss->ss_server_fld, m->mdt_bottom, uuid,
- ss->ss_node_id, LU_SEQ_RANGE_MDT);
+ LU_SEQ_RANGE_MDT);
if (rc) {
OBD_FREE_PTR(ss->ss_server_fld);
ss->ss_server_fld = NULL;
static void mdt_stack_pre_fini(const struct lu_env *env,
struct mdt_device *m, struct lu_device *top)
{
- struct obd_device *obd;
struct lustre_cfg_bufs *bufs;
struct lustre_cfg *lcfg;
struct mdt_thread_info *info;
LASSERT(m->mdt_child_exp);
LASSERT(m->mdt_child_exp->exp_obd);
- obd = m->mdt_child_exp->exp_obd;
/* process cleanup, pass mdt obd name to get obd umount flags */
/* XXX: this is needed because all layers are referenced by
strcpy(name, dev);
p = strstr(name, "-MDT");
if (p == NULL)
- GOTO(cleanup_mem, rc = -ENOMEM);
+ GOTO(free_bufs, rc = -ENOMEM);
p[3] = 'D';
snprintf(uuid, MAX_OBD_NAME, "%s_UUID", name);
if (lprof == NULL || lprof->lp_dt == NULL) {
CERROR("can't find the profile: %s\n",
lustre_cfg_string(cfg, 0));
- GOTO(cleanup_mem, rc = -EINVAL);
+ GOTO(free_bufs, rc = -EINVAL);
}
lustre_cfg_bufs_reset(bufs, name);
/* connect to MDD we just setup */
rc = mdt_connect_to_next(env, mdt, name, &mdt->mdt_child_exp);
if (rc)
- RETURN(rc);
+ GOTO(class_detach, rc);
site = mdt->mdt_child_exp->exp_obd->obd_lu_dev->ld_site;
LASSERT(site);
site->ls_top_dev = &mdt->mdt_lu_dev;
mdt->mdt_child = lu2md_dev(mdt->mdt_child_exp->exp_obd->obd_lu_dev);
-
/* now connect to bottom OSD */
snprintf(name, MAX_OBD_NAME, "%s-osd", dev);
rc = mdt_connect_to_next(env, mdt, name, &mdt->mdt_bottom_exp);
if (rc)
- RETURN(rc);
+ GOTO(class_detach, rc);
mdt->mdt_bottom =
lu2dt_dev(mdt->mdt_bottom_exp->exp_obd->obd_lu_dev);
-
rc = lu_env_refill((struct lu_env *)env);
if (rc != 0)
CERROR("Failure to refill session: '%d'\n", rc);
EXIT;
}
+/* mdt_getxattr() is used from mdt_intent_getxattr(), use this wrapper
+ * for now. This will be removed along with converting rest of MDT code
+ * to use tgt_session_info */
+int mdt_tgt_getxattr(struct tgt_session_info *tsi)
+{
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+ int rc;
+
+ rc = mdt_getxattr(info);
+
+ mdt_thread_info_fini(info);
+ return rc;
+}
+
static struct tgt_handler mdt_tgt_handlers[] = {
TGT_RPC_HANDLER(MDS_FIRST_OPC,
0, MDS_CONNECT, mdt_tgt_connect,
TGT_RPC_HANDLER(MDS_FIRST_OPC,
0, MDS_DISCONNECT, tgt_disconnect,
&RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
+TGT_RPC_HANDLER(MDS_FIRST_OPC,
+ HABEO_REFERO, MDS_SET_INFO, mdt_set_info,
+ &RQF_OBD_SET_INFO, LUSTRE_MDS_VERSION),
+TGT_MDT_HDL(0, MDS_GET_INFO, mdt_get_info),
+TGT_MDT_HDL(0 | HABEO_REFERO, MDS_GETSTATUS, mdt_getstatus),
+TGT_MDT_HDL(HABEO_CORPUS, MDS_GETATTR, mdt_getattr),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_GETATTR_NAME,
+ mdt_getattr_name),
+TGT_MDT_HDL(HABEO_CORPUS, MDS_GETXATTR, mdt_tgt_getxattr),
+TGT_MDT_HDL(0 | HABEO_REFERO, MDS_STATFS, mdt_statfs),
+TGT_MDT_HDL(0 | MUTABOR, MDS_REINT, mdt_reint),
+TGT_MDT_HDL(HABEO_CORPUS, MDS_CLOSE, mdt_close),
+TGT_MDT_HDL(HABEO_CORPUS, MDS_DONE_WRITING,
+ mdt_done_writing),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_READPAGE, mdt_readpage),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_SYNC, mdt_sync),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_IS_SUBDIR, mdt_is_subdir),
+TGT_MDT_HDL(0, MDS_QUOTACTL, mdt_quotactl),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_PROGRESS,
+ mdt_hsm_progress),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_CT_REGISTER,
+ mdt_hsm_ct_register),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_CT_UNREGISTER,
+ mdt_hsm_ct_unregister),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_STATE_GET,
+ mdt_hsm_state_get),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, MDS_HSM_STATE_SET,
+ mdt_hsm_state_set),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_ACTION, mdt_hsm_action),
+TGT_MDT_HDL(HABEO_CORPUS| HABEO_REFERO, MDS_HSM_REQUEST,
+ mdt_hsm_request),
+TGT_MDT_HDL(HABEO_CLAVIS | HABEO_CORPUS | HABEO_REFERO | MUTABOR,
+ MDS_SWAP_LAYOUTS,
+ mdt_swap_layouts),
+};
+
+static struct tgt_handler mdt_sec_ctx_ops[] = {
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT, mdt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT,mdt_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, mdt_sec_ctx_handle)
+};
+
+static struct tgt_handler mdt_quota_ops[] = {
+TGT_QUOTA_HDL(HABEO_REFERO, QUOTA_DQACQ, mdt_quota_dqacq),
};
static struct tgt_opc_slice mdt_common_slice[] = {
{
.tos_opc_start = SEC_FIRST_OPC,
.tos_opc_end = SEC_LAST_OPC,
- .tos_hs = tgt_sec_ctx_handlers
+ .tos_hs = mdt_sec_ctx_ops
},
{
- .tos_opc_start = UPDATE_OBJ,
- .tos_opc_end = UPDATE_LAST_OPC,
+ .tos_opc_start = OUT_UPDATE_FIRST_OPC,
+ .tos_opc_end = OUT_UPDATE_LAST_OPC,
.tos_hs = tgt_out_handlers
},
{
.tos_hs = seq_handlers
},
{
+ .tos_opc_start = QUOTA_DQACQ,
+ .tos_opc_end = QUOTA_LAST_OPC,
+ .tos_hs = mdt_quota_ops
+ },
+ {
+ .tos_opc_start = LLOG_FIRST_OPC,
+ .tos_opc_end = LLOG_LAST_OPC,
+ .tos_hs = tgt_llog_handlers
+ },
+ {
+ .tos_opc_start = LFSCK_FIRST_OPC,
+ .tos_opc_end = LFSCK_LAST_OPC,
+ .tos_hs = tgt_lfsck_handlers
+ },
+
+ {
.tos_hs = NULL
}
};
static void mdt_fini(const struct lu_env *env, struct mdt_device *m)
{
- struct md_device *next = m->mdt_child;
- struct lu_device *d = &m->mdt_lu_dev;
- struct obd_device *obd = mdt2obd_dev(m);
- ENTRY;
-
- target_recovery_fini(obd);
+ struct md_device *next = m->mdt_child;
+ struct lu_device *d = &m->mdt_lu_dev;
+ struct obd_device *obd = mdt2obd_dev(m);
+ struct lfsck_stop stop;
+ ENTRY;
- ping_evictor_stop();
+ stop.ls_status = LS_PAUSED;
+ stop.ls_flags = 0;
+ next->md_ops->mdo_iocontrol(env, next, OBD_IOC_STOP_LFSCK, 0, &stop);
+ target_recovery_fini(obd);
+ ping_evictor_stop();
mdt_stack_pre_fini(env, m, md2lu_dev(m->mdt_child));
if (m->mdt_opts.mo_coordinator)
m->mdt_nosquash_strlen = 0;
}
- next->md_ops->mdo_iocontrol(env, next, OBD_IOC_PAUSE_LFSCK, 0, NULL);
-
mdt_seq_fini(env, m);
mdt_fld_fini(env, m);
- sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
next->md_ops->mdo_init_capa_ctxt(env, next, 0, 0, 0, NULL);
cfs_timer_disarm(&m->mdt_ck_timer);
*/
mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
- LASSERT(cfs_atomic_read(&d->ld_ref) == 0);
+ LASSERT(atomic_read(&d->ld_ref) == 0);
- server_put_mount(mdt_obd_name(m), NULL);
+ server_put_mount(mdt_obd_name(m));
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;
-
- 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);
-
- write_lock(&m->mdt_sptlrpc_lock);
- sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
- m->mdt_sptlrpc_rset = tmp_rset;
- write_unlock(&m->mdt_sptlrpc_lock);
-
- return 0;
-}
-
-int mdt_postrecov(const struct lu_env *, struct mdt_device *);
+static int mdt_postrecov(const struct lu_env *, struct mdt_device *);
static int mdt_init0(const struct lu_env *env, struct mdt_device *m,
struct lu_device_type *ldt, struct lustre_cfg *cfg)
LASSERT(num);
node_id = simple_strtol(num, NULL, 10);
obd->u.obt.obt_magic = OBT_MAGIC;
- }
-
- rwlock_init(&m->mdt_sptlrpc_lock);
- sptlrpc_rule_set_init(&m->mdt_sptlrpc_rset);
+ }
spin_lock_init(&m->mdt_ioepoch_lock);
- m->mdt_opts.mo_compat_resname = 0;
- m->mdt_opts.mo_mds_capa = 1;
- m->mdt_opts.mo_oss_capa = 1;
m->mdt_capa_timeout = CAPA_TIMEOUT;
m->mdt_capa_alg = CAPA_HMAC_ALG_SHA1;
m->mdt_ck_timeout = CAPA_KEY_TIMEOUT;
if (rc)
GOTO(err_fini_stack, rc);
- rc = mdt_seq_init(env, mdt_obd_name(m), m);
+ rc = mdt_seq_init(env, m);
if (rc)
GOTO(err_fini_fld, rc);
if (rc)
GOTO(err_tgt, rc);
- mdt_adapt_sptlrpc_conf(obd, 1);
+ tgt_adapt_sptlrpc_conf(&m->mdt_lut, 1);
next = m->mdt_child;
rc = next->md_ops->mdo_iocontrol(env, next, OBD_IOC_GET_MNTOPT, 0,
mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
err_lmi:
if (lmi)
- server_put_mount(dev, lmi->lmi_mnt);
+ server_put_mount(dev);
return(rc);
}
lprocfs_mdt_init_vars(&lvars);
rc = class_process_proc_param(PARAM_MDT, lvars.obd_vars,
cfg, obd);
- if (rc > 0 || rc == -ENOSYS)
- /* we don't understand; pass it on */
- rc = next->ld_ops->ldo_process_config(env, next, cfg);
+ if (rc > 0 || rc == -ENOSYS) {
+ /* is it an HSM var ? */
+ rc = class_process_proc_param(PARAM_HSM,
+ hsm_cdt_get_proc_vars(),
+ cfg, obd);
+ if (rc > 0 || rc == -ENOSYS)
+ /* we don't understand; pass it on */
+ rc = next->ld_ops->ldo_process_config(env, next,
+ cfg);
+ }
if (old_cfg != NULL)
lustre_cfg_free(cfg);
}
static struct lu_object *mdt_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *d)
+ const struct lu_object_header *hdr,
+ struct lu_device *d)
{
- struct mdt_object *mo;
+ struct mdt_object *mo;
- ENTRY;
+ ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, __GFP_IO);
- if (mo != NULL) {
- struct lu_object *o;
- struct lu_object_header *h;
+ OBD_SLAB_ALLOC_PTR_GFP(mo, mdt_object_kmem, GFP_NOFS);
+ if (mo != NULL) {
+ struct lu_object *o;
+ struct lu_object_header *h;
o = &mo->mot_obj;
- h = &mo->mot_header;
- lu_object_header_init(h);
- lu_object_init(o, h, d);
- lu_object_add_top(h, o);
- o->lo_ops = &mdt_obj_ops;
+ h = &mo->mot_header;
+ lu_object_header_init(h);
+ lu_object_init(o, h, d);
+ lu_object_add_top(h, o);
+ o->lo_ops = &mdt_obj_ops;
mutex_init(&mo->mot_ioepoch_mutex);
mutex_init(&mo->mot_lov_mutex);
init_rwsem(&mo->mot_open_sem);
if (rc)
RETURN(rc);
+ rc = lfsck_register_namespace(env, mdt->mdt_bottom, mdt->mdt_namespace);
+ /* The LFSCK instance is registered just now, so it must be there when
+ * register the namespace to such instance. */
+ LASSERTF(rc == 0, "register namespace failed: rc = %d\n", rc);
+
lsp.lsp_start = NULL;
- lsp.lsp_namespace = mdt->mdt_namespace;
+ lsp.lsp_index_valid = 0;
rc = mdt->mdt_child->md_ops->mdo_iocontrol(env, mdt->mdt_child,
OBD_IOC_START_LFSCK,
0, &lsp);
}
LASSERT(!test_bit(MDT_FL_CFGLOG, &mdt->mdt_state));
- target_recovery_init(&mdt->mdt_lut, mdt_recovery_handle);
+ target_recovery_init(&mdt->mdt_lut, tgt_request_handle);
set_bit(MDT_FL_CFGLOG, &mdt->mdt_state);
LASSERT(obd->obd_no_conn);
spin_lock(&obd->obd_dev_lock);
__u32 vallen, void *val,
struct ptlrpc_request_set *set)
{
- struct obd_device *obd = exp->exp_obd;
- int rc;
- ENTRY;
+ int rc;
- LASSERT(obd);
+ ENTRY;
- if (KEY_IS(KEY_SPTLRPC_CONF)) {
- rc = mdt_adapt_sptlrpc_conf(obd, 0);
- RETURN(rc);
- }
+ if (KEY_IS(KEY_SPTLRPC_CONF)) {
+ rc = tgt_adapt_sptlrpc_conf(class_exp2tgt(exp), 0);
+ RETURN(rc);
+ }
- RETURN(0);
+ RETURN(0);
}
/**
return 0;
}
-int mdt_connect_check_sptlrpc(struct mdt_device *mdt, struct obd_export *exp,
- struct ptlrpc_request *req)
-{
- struct sptlrpc_flavor flvr;
- int rc = 0;
-
- if (exp->exp_flvr.sf_rpc == SPTLRPC_FLVR_INVALID) {
- read_lock(&mdt->mdt_sptlrpc_lock);
- sptlrpc_target_choose_flavor(&mdt->mdt_sptlrpc_rset,
- req->rq_sp_from,
- req->rq_peer.nid,
- &flvr);
- read_unlock(&mdt->mdt_sptlrpc_lock);
-
- spin_lock(&exp->exp_lock);
-
- exp->exp_sp_peer = req->rq_sp_from;
- exp->exp_flvr = flvr;
-
- if (exp->exp_flvr.sf_rpc != SPTLRPC_FLVR_ANY &&
- exp->exp_flvr.sf_rpc != req->rq_flvr.sf_rpc) {
- CERROR("unauthorized rpc flavor %x from %s, "
- "expect %x\n", req->rq_flvr.sf_rpc,
- libcfs_nid2str(req->rq_peer.nid),
- exp->exp_flvr.sf_rpc);
- rc = -EACCES;
- }
-
- spin_unlock(&exp->exp_lock);
- } else {
- if (exp->exp_sp_peer != req->rq_sp_from) {
- CERROR("RPC source %s doesn't match %s\n",
- sptlrpc_part2name(req->rq_sp_from),
- sptlrpc_part2name(exp->exp_sp_peer));
- rc = -EACCES;
- } else {
- rc = sptlrpc_target_export_check(exp, req);
- }
- }
-
- return rc;
-}
-
/* mds_connect copy */
static int mdt_obd_connect(const struct lu_env *env,
struct obd_export **exp, struct obd_device *obd,
*/
if (!test_bit(MDT_FL_SYNCED, &mdt->mdt_state) && data != NULL &&
!(data->ocd_connect_flags & OBD_CONNECT_LIGHTWEIGHT)) {
- rc = obd_health_check(env, mdt->mdt_child_exp->exp_obd);
+ rc = obd_get_info(env, mdt->mdt_child_exp,
+ sizeof(KEY_OSP_CONNECTED),
+ KEY_OSP_CONNECTED, NULL, NULL, NULL);
if (rc)
RETURN(-EAGAIN);
set_bit(MDT_FL_SYNCED, &mdt->mdt_state);
rc = tgt_client_new(env, lexp);
if (rc == 0)
mdt_export_stats_init(obd, lexp, localdata);
+
+ /* For phase I, sync for cross-ref operation. */
+ lexp->exp_keep_sync = 1;
}
if (rc != 0) {
int rc;
ENTRY;
- rc = lu_context_init(&ses, LCT_SESSION);
+ rc = lu_context_init(&ses, LCT_SERVER_SESSION);
if (rc)
RETURN(rc);
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)
+int mdt_links_read(struct mdt_thread_info *info, struct mdt_object *mdt_obj,
+ struct linkea_data *ldata)
{
int rc;
RETURN(rc);
}
-int mdt_get_info(struct mdt_thread_info *info)
+int mdt_get_info(struct tgt_session_info *tsi)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- char *key;
- int keylen;
- __u32 *vallen;
- void *valout;
- int rc;
- ENTRY;
+ char *key;
+ int keylen;
+ __u32 *vallen;
+ void *valout;
+ int rc;
- key = req_capsule_client_get(info->mti_pill, &RMF_GETINFO_KEY);
- if (key == NULL) {
- CDEBUG(D_IOCTL, "No GETINFO key");
- RETURN(-EFAULT);
- }
- keylen = req_capsule_get_size(info->mti_pill, &RMF_GETINFO_KEY,
- RCL_CLIENT);
+ ENTRY;
- vallen = req_capsule_client_get(info->mti_pill, &RMF_GETINFO_VALLEN);
- if (vallen == NULL) {
- CDEBUG(D_IOCTL, "Unable to get RMF_GETINFO_VALLEN buffer");
- RETURN(-EFAULT);
- }
+ key = req_capsule_client_get(tsi->tsi_pill, &RMF_GETINFO_KEY);
+ if (key == NULL) {
+ CDEBUG(D_IOCTL, "No GETINFO key");
+ RETURN(err_serious(-EFAULT));
+ }
+ keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_GETINFO_KEY,
+ RCL_CLIENT);
- req_capsule_set_size(info->mti_pill, &RMF_GETINFO_VAL, RCL_SERVER,
- *vallen);
- rc = req_capsule_server_pack(info->mti_pill);
- valout = req_capsule_server_get(info->mti_pill, &RMF_GETINFO_VAL);
- if (valout == NULL) {
- CDEBUG(D_IOCTL, "Unable to get get-info RPC out buffer");
- RETURN(-EFAULT);
- }
+ vallen = req_capsule_client_get(tsi->tsi_pill, &RMF_GETINFO_VALLEN);
+ if (vallen == NULL) {
+ CDEBUG(D_IOCTL, "Unable to get RMF_GETINFO_VALLEN buffer");
+ RETURN(err_serious(-EFAULT));
+ }
- if (KEY_IS(KEY_FID2PATH))
- rc = mdt_rpc_fid2path(info, key, valout, *vallen);
- else
- rc = -EINVAL;
+ req_capsule_set_size(tsi->tsi_pill, &RMF_GETINFO_VAL, RCL_SERVER,
+ *vallen);
+ rc = req_capsule_server_pack(tsi->tsi_pill);
+ if (rc)
+ RETURN(err_serious(rc));
- lustre_msg_set_status(req->rq_repmsg, rc);
+ valout = req_capsule_server_get(tsi->tsi_pill, &RMF_GETINFO_VAL);
+ if (valout == NULL) {
+ CDEBUG(D_IOCTL, "Unable to get get-info RPC out buffer");
+ RETURN(err_serious(-EFAULT));
+ }
- RETURN(rc);
+ if (KEY_IS(KEY_FID2PATH)) {
+ struct mdt_thread_info *info = tsi2mdt_info(tsi);
+
+ rc = mdt_rpc_fid2path(info, key, valout, *vallen);
+ mdt_thread_info_fini(info);
+ } else {
+ rc = -EINVAL;
+ }
+ RETURN(rc);
}
/* Pass the ioc down */
int rc;
ENTRY;
- rc = lu_context_init(&ioctl_session, LCT_SESSION);
+ rc = lu_context_init(&ioctl_session, LCT_SERVER_SESSION);
if (rc)
RETURN(rc);
ioctl_session.lc_thread = (struct ptlrpc_thread *)current;
}
lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
- lsp.lsp_namespace = mdt->mdt_namespace;
+ lsp.lsp_index_valid = 0;
rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &lsp);
break;
}
case OBD_IOC_STOP_LFSCK: {
- struct md_device *next = mdt->mdt_child;
+ struct md_device *next = mdt->mdt_child;
+ struct obd_ioctl_data *data = karg;
+ struct lfsck_stop stop;
+
+ stop.ls_status = LS_STOPPED;
+ /* Old lfsck utils may pass NULL @stop. */
+ if (data->ioc_inlbuf1 == NULL)
+ stop.ls_flags = 0;
+ else
+ stop.ls_flags =
+ ((struct lfsck_stop *)(data->ioc_inlbuf1))->ls_flags;
- rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, NULL);
+ rc = next->md_ops->mdo_iocontrol(&env, next, cmd, 0, &stop);
break;
}
case OBD_IOC_GET_OBJ_VERSION: {
rc = mdt_ioc_version_get(mti, karg);
break;
}
+ case OBD_IOC_CATLOGLIST: {
+ struct mdt_thread_info *mti;
+
+ mti = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
+ lu_local_obj_fid(&mti->mti_tmp_fid1, LLOG_CATALOGS_OID);
+ rc = llog_catalog_list(&env, mdt->mdt_bottom, 0, karg,
+ &mti->mti_tmp_fid1);
+ break;
+ }
default:
rc = -EOPNOTSUPP;
CERROR("%s: Not supported cmd = %d, rc = %d\n",
RETURN(rc);
}
-int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
+static int mdt_postrecov(const struct lu_env *env, struct mdt_device *mdt)
{
struct lu_device *ld = md2lu_dev(mdt->mdt_child);
int rc;
RETURN(rc);
}
-int mdt_obd_postrecov(struct obd_device *obd)
+static int mdt_obd_postrecov(struct obd_device *obd)
{
struct lu_env env;
int rc;
GOTO(lu_fini, rc);
lprocfs_mdt_init_vars(&lvars);
- rc = class_register_type(&mdt_obd_device_ops, NULL,
- lvars.module_vars, LUSTRE_MDT_NAME,
- &mdt_device_type);
+ rc = class_register_type(&mdt_obd_device_ops, NULL, true, NULL,
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ lvars.module_vars,
+#endif
+ LUSTRE_MDT_NAME, &mdt_device_type);
if (rc)
GOTO(mds_fini, rc);
lu_fini:
git://git.whamcloud.com / fs / lustre-release.git / blobdiff