-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * lustre/mdt/mdt_lib.c
- * Lustre Metadata Target (mdt) request unpacking helper.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Mike Shaver <shaver@clusterfs.com>
- * Author: Nikita Danilov <nikita@clusterfs.com>
- * Author: Huang Hua <huanghua@clusterfs.com>
- * Author: Fan Yong <fanyong@clusterfs.com>
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdt/mdt_lib.c
+ *
+ * Lustre Metadata Target (mdt) request unpacking helper.
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Mike Shaver <shaver@clusterfs.com>
+ * Author: Nikita Danilov <nikita@clusterfs.com>
+ * Author: Huang Hua <huanghua@clusterfs.com>
+ * Author: Fan Yong <fanyong@clusterfs.com>
*/
-
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MDS
#include "mdt_internal.h"
+#include <lnet/lib-lnet.h>
typedef enum ucred_init_type {
if (uc->mu_valid != UCRED_INIT) {
uc->mu_suppgids[0] = uc->mu_suppgids[1] = -1;
if (uc->mu_ginfo) {
- groups_free(uc->mu_ginfo);
+ cfs_put_group_info(uc->mu_ginfo);
uc->mu_ginfo = NULL;
}
if (uc->mu_identity) {
}
}
-/* XXX: root_squash will be redesigned in Lustre 1.7.
- * Do not root_squash for inter-MDS operations */
-static int mdt_root_squash(struct mdt_thread_info *info)
+static int match_nosquash_list(cfs_rw_semaphore_t *sem,
+ cfs_list_t *nidlist,
+ lnet_nid_t peernid)
{
- return 0;
+ int rc;
+ ENTRY;
+ cfs_down_read(sem);
+ rc = cfs_match_nid(peernid, nidlist);
+ cfs_up_read(sem);
+ RETURN(rc);
+}
+
+/* root_squash for inter-MDS operations */
+static int mdt_root_squash(struct mdt_thread_info *info, lnet_nid_t peernid)
+{
+ struct md_ucred *ucred = mdt_ucred(info);
+ ENTRY;
+
+ if (!info->mti_mdt->mdt_squash_uid || ucred->mu_fsuid)
+ RETURN(0);
+
+ if (match_nosquash_list(&info->mti_mdt->mdt_squash_sem,
+ &info->mti_mdt->mdt_nosquash_nids,
+ peernid)) {
+ CDEBUG(D_OTHER, "%s is in nosquash_nids list\n",
+ libcfs_nid2str(peernid));
+ RETURN(0);
+ }
+
+ CDEBUG(D_OTHER, "squash req from %s, (%d:%d/%x)=>(%d:%d/%x)\n",
+ libcfs_nid2str(peernid),
+ ucred->mu_fsuid, ucred->mu_fsgid, ucred->mu_cap,
+ info->mti_mdt->mdt_squash_uid, info->mti_mdt->mdt_squash_gid,
+ 0);
+
+ ucred->mu_fsuid = info->mti_mdt->mdt_squash_uid;
+ ucred->mu_fsgid = info->mti_mdt->mdt_squash_gid;
+ ucred->mu_cap = 0;
+ ucred->mu_suppgids[0] = -1;
+ ucred->mu_suppgids[1] = -1;
+
+ RETURN(0);
}
static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type,
void *buf)
{
struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_export_data *med = mdt_req2med(req);
struct mdt_device *mdt = info->mti_mdt;
struct ptlrpc_user_desc *pud = req->rq_user_desc;
struct md_ucred *ucred = mdt_ucred(info);
- lnet_nid_t peernid = req->rq_peer.nid;
+ lnet_nid_t peernid = req->rq_peer.nid;
__u32 perm = 0;
- int setuid;
- int setgid;
- int rc = 0;
+ __u32 remote = exp_connect_rmtclient(info->mti_exp);
+ int setuid;
+ int setgid;
+ int rc = 0;
ENTRY;
LASSERT(req->rq_auth_gss);
LASSERT(!req->rq_auth_usr_mdt);
LASSERT(req->rq_user_desc);
-
+
ucred->mu_valid = UCRED_INVALID;
ucred->mu_o_uid = pud->pud_uid;
}
/* sanity check: we expect the uid which client claimed is true */
- if (med->med_rmtclient) {
+ if (remote) {
if (req->rq_auth_mapped_uid == INVALID_UID) {
- CWARN("remote user not mapped, deny access!\n");
+ CDEBUG(D_SEC, "remote user not mapped, deny access!\n");
RETURN(-EACCES);
}
RETURN(-EACCES);
if (req->rq_auth_mapped_uid != pud->pud_uid) {
- CERROR("remote client "LPU64": auth/mapped uid %u/%u "
- "while client claim %u:%u/%u:%u\n",
- peernid, req->rq_auth_uid,
+ CDEBUG(D_SEC, "remote client %s: auth/mapped uid %u/%u "
+ "while client claims %u:%u/%u:%u\n",
+ libcfs_nid2str(peernid), req->rq_auth_uid,
req->rq_auth_mapped_uid,
pud->pud_uid, pud->pud_gid,
pud->pud_fsuid, pud->pud_fsgid);
}
} else {
if (req->rq_auth_uid != pud->pud_uid) {
- CERROR("local client "LPU64": auth uid %u "
- "while client claim %u:%u/%u:%u\n",
- peernid, req->rq_auth_uid, pud->pud_uid,
- pud->pud_gid, pud->pud_fsuid, pud->pud_fsgid);
+ CDEBUG(D_SEC, "local client %s: auth uid %u "
+ "while client claims %u:%u/%u:%u\n",
+ libcfs_nid2str(peernid), req->rq_auth_uid,
+ pud->pud_uid, pud->pud_gid,
+ pud->pud_fsuid, pud->pud_fsgid);
RETURN(-EACCES);
}
}
if (is_identity_get_disabled(mdt->mdt_identity_cache)) {
- if (med->med_rmtclient) {
- CERROR("remote client must run with identity_get "
+ if (remote) {
+ CDEBUG(D_SEC, "remote client must run with identity_get "
"enabled!\n");
RETURN(-EACCES);
} else {
CFS_SETGRP_PERM;
}
} else {
- ucred->mu_identity = mdt_identity_get(mdt->mdt_identity_cache,
- pud->pud_uid);
- if (!ucred->mu_identity) {
- CERROR("Deny access without identity: uid %d\n",
- pud->pud_uid);
- RETURN(-EACCES);
+ struct md_identity *identity;
+
+ identity = mdt_identity_get(mdt->mdt_identity_cache,
+ pud->pud_uid);
+ if (IS_ERR(identity)) {
+ if (unlikely(PTR_ERR(identity) == -EREMCHG &&
+ !remote)) {
+ ucred->mu_identity = NULL;
+ perm = CFS_SETUID_PERM | CFS_SETGID_PERM |
+ CFS_SETGRP_PERM;
+ } else {
+ CDEBUG(D_SEC, "Deny access without identity: uid %u\n",
+ pud->pud_uid);
+ RETURN(-EACCES);
+ }
} else {
+ ucred->mu_identity = identity;
perm = mdt_identity_get_perm(ucred->mu_identity,
- med->med_rmtclient,
- peernid);
+ remote, peernid);
}
}
/* check permission of setuid */
if (setuid && !(perm & CFS_SETUID_PERM)) {
- CWARN("mdt blocked setuid attempt (%u -> %u) from "
- LPX64"\n", pud->pud_uid, pud->pud_fsuid, peernid);
+ CDEBUG(D_SEC, "mdt blocked setuid attempt (%u -> %u) from %s\n",
+ pud->pud_uid, pud->pud_fsuid, libcfs_nid2str(peernid));
GOTO(out, rc = -EACCES);
}
/* check permission of setgid */
if (setgid && !(perm & CFS_SETGID_PERM)) {
- CWARN("mdt blocked setgid attempt (%u:%u/%u:%u -> %u) "
- "from "LPX64"\n", pud->pud_uid, pud->pud_gid,
- pud->pud_fsuid, pud->pud_fsgid,
- ucred->mu_identity->mi_gid, peernid);
+ CDEBUG(D_SEC, "mdt blocked setgid attempt (%u:%u/%u:%u -> %u) "
+ "from %s\n", pud->pud_uid, pud->pud_gid,
+ pud->pud_fsuid, pud->pud_fsgid,
+ ucred->mu_identity->mi_gid, libcfs_nid2str(peernid));
GOTO(out, rc = -EACCES);
}
/*
* NB: remote client not allowed to setgroups anyway.
*/
- if (!med->med_rmtclient && perm & CFS_SETGRP_PERM) {
+ if (!remote && perm & CFS_SETGRP_PERM) {
if (pud->pud_ngroups) {
- /* setgroups for local client */
- ucred->mu_ginfo = groups_alloc(pud->pud_ngroups);
+ /* setgroups for local client */
+ ucred->mu_ginfo = cfs_groups_alloc(pud->pud_ngroups);
if (!ucred->mu_ginfo) {
- CERROR("failed to alloc %d groups\n",
- pud->pud_ngroups);
- GOTO(out, rc = -ENOMEM);
- }
+ CERROR("failed to alloc %d groups\n",
+ pud->pud_ngroups);
+ GOTO(out, rc = -ENOMEM);
+ }
lustre_groups_from_list(ucred->mu_ginfo,
pud->pud_groups);
lustre_groups_sort(ucred->mu_ginfo);
- } else {
- ucred->mu_ginfo = NULL;
- }
+ } else {
+ ucred->mu_ginfo = NULL;
+ }
} else {
ucred->mu_suppgids[0] = -1;
ucred->mu_suppgids[1] = -1;
ucred->mu_fsuid = pud->pud_fsuid;
ucred->mu_fsgid = pud->pud_fsgid;
- /* XXX: need to process root_squash here. */
- mdt_root_squash(info);
+ /* process root_squash here. */
+ mdt_root_squash(info, peernid);
- /* remove fs privilege for non-root user */
+ /* remove fs privilege for non-root user. */
if (ucred->mu_fsuid)
- ucred->mu_cap = pud->pud_cap & ~CAP_FS_MASK;
+ ucred->mu_cap = pud->pud_cap & ~CFS_CAP_FS_MASK;
else
ucred->mu_cap = pud->pud_cap;
+ if (remote && !(perm & CFS_RMTOWN_PERM))
+ ucred->mu_cap &= ~(CFS_CAP_SYS_RESOURCE_MASK |
+ CFS_CAP_CHOWN_MASK);
ucred->mu_valid = UCRED_NEW;
EXIT;
out:
if (rc) {
if (ucred->mu_ginfo) {
- groups_free(ucred->mu_ginfo);
+ cfs_put_group_info(ucred->mu_ginfo);
ucred->mu_ginfo = NULL;
}
if (ucred->mu_identity) {
int mdt_check_ucred(struct mdt_thread_info *info)
{
struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_export_data *med = mdt_req2med(req);
struct mdt_device *mdt = info->mti_mdt;
struct ptlrpc_user_desc *pud = req->rq_user_desc;
struct md_ucred *ucred = mdt_ucred(info);
struct md_identity *identity = NULL;
- lnet_nid_t peernid = req->rq_peer.nid;
+ lnet_nid_t peernid = req->rq_peer.nid;
__u32 perm = 0;
+ __u32 remote = exp_connect_rmtclient(info->mti_exp);
int setuid;
int setgid;
int rc = 0;
/* sanity check: if we use strong authentication, we expect the
* uid which client claimed is true */
- if (med->med_rmtclient) {
- if (req->rq_auth_mapped_uid == INVALID_UID) {
- CWARN("remote user not mapped, deny access!\n");
- RETURN(-EACCES);
- }
+ if (remote) {
+ if (req->rq_auth_mapped_uid == INVALID_UID) {
+ CDEBUG(D_SEC, "remote user not mapped, deny access!\n");
+ RETURN(-EACCES);
+ }
- if (ptlrpc_user_desc_do_idmap(req, pud))
- RETURN(-EACCES);
+ if (ptlrpc_user_desc_do_idmap(req, pud))
+ RETURN(-EACCES);
- if (req->rq_auth_mapped_uid != pud->pud_uid) {
- CERROR("remote client "LPU64": auth/mapped uid %u/%u "
- "while client claim %u:%u/%u:%u\n",
- peernid, req->rq_auth_uid,
+ if (req->rq_auth_mapped_uid != pud->pud_uid) {
+ CDEBUG(D_SEC, "remote client %s: auth/mapped uid %u/%u "
+ "while client claims %u:%u/%u:%u\n",
+ libcfs_nid2str(peernid), req->rq_auth_uid,
req->rq_auth_mapped_uid,
pud->pud_uid, pud->pud_gid,
pud->pud_fsuid, pud->pud_fsgid);
- RETURN(-EACCES);
- }
- } else {
- if (req->rq_auth_uid != pud->pud_uid) {
- CERROR("local client "LPU64": auth uid %u "
- "while client claim %u:%u/%u:%u\n",
- peernid, req->rq_auth_uid, pud->pud_uid,
- pud->pud_gid, pud->pud_fsuid,
- pud->pud_fsgid);
- RETURN(-EACCES);
- }
+ RETURN(-EACCES);
+ }
+ } else {
+ if (req->rq_auth_uid != pud->pud_uid) {
+ CDEBUG(D_SEC, "local client %s: auth uid %u "
+ "while client claims %u:%u/%u:%u\n",
+ libcfs_nid2str(peernid), req->rq_auth_uid,
+ pud->pud_uid, pud->pud_gid,
+ pud->pud_fsuid, pud->pud_fsgid);
+ RETURN(-EACCES);
}
+ }
if (is_identity_get_disabled(mdt->mdt_identity_cache)) {
- if (med->med_rmtclient) {
- CERROR("remote client must run with identity_get "
+ if (remote) {
+ CDEBUG(D_SEC, "remote client must run with identity_get "
"enabled!\n");
RETURN(-EACCES);
}
}
identity = mdt_identity_get(mdt->mdt_identity_cache, pud->pud_uid);
- if (!identity) {
- CERROR("Deny access without identity: uid %d\n", pud->pud_uid);
- RETURN(-EACCES);
+ if (IS_ERR(identity)) {
+ if (unlikely(PTR_ERR(identity) == -EREMCHG &&
+ !remote)) {
+ RETURN(0);
+ } else {
+ CDEBUG(D_SEC, "Deny access without identity: uid %u\n",
+ pud->pud_uid);
+ RETURN(-EACCES);
+ }
}
- perm = mdt_identity_get_perm(identity, med->med_rmtclient, peernid);
+ perm = mdt_identity_get_perm(identity, remote, peernid);
/* find out the setuid/setgid attempt */
setuid = (pud->pud_uid != pud->pud_fsuid);
setgid = (pud->pud_gid != pud->pud_fsgid ||
/* check permission of setuid */
if (setuid && !(perm & CFS_SETUID_PERM)) {
- CWARN("mdt blocked setuid attempt (%u -> %u) from "
- LPX64"\n", pud->pud_uid, pud->pud_fsuid, peernid);
+ CDEBUG(D_SEC, "mdt blocked setuid attempt (%u -> %u) from %s\n",
+ pud->pud_uid, pud->pud_fsuid, libcfs_nid2str(peernid));
GOTO(out, rc = -EACCES);
}
/* check permission of setgid */
if (setgid && !(perm & CFS_SETGID_PERM)) {
- CWARN("mdt blocked setgid attempt (%u:%u/%u:%u -> %u) "
- "from "LPX64"\n", pud->pud_uid, pud->pud_gid,
- pud->pud_fsuid, pud->pud_fsgid, identity->mi_gid,
- peernid);
+ CDEBUG(D_SEC, "mdt blocked setgid attempt (%u:%u/%u:%u -> %u) "
+ "from %s\n", pud->pud_uid, pud->pud_gid,
+ pud->pud_fsuid, pud->pud_fsgid, identity->mi_gid,
+ libcfs_nid2str(peernid));
GOTO(out, rc = -EACCES);
}
if (!is_identity_get_disabled(mdt->mdt_identity_cache)) {
identity = mdt_identity_get(mdt->mdt_identity_cache,
uc->mu_fsuid);
- if (!identity) {
- CERROR("Deny access without identity: uid %d\n",
- uc->mu_fsuid);
- RETURN(-EACCES);
+ if (IS_ERR(identity)) {
+ if (unlikely(PTR_ERR(identity) == -EREMCHG)) {
+ identity = NULL;
+ } else {
+ CDEBUG(D_SEC, "Deny access without identity: "
+ "uid %u\n", uc->mu_fsuid);
+ RETURN(-EACCES);
+ }
}
}
uc->mu_identity = identity;
- /* XXX: need to process root_squash here. */
- mdt_root_squash(info);
+ /* process root_squash here. */
+ mdt_root_squash(info, mdt_info_req(info)->rq_peer.nid);
- /* remove fs privilege for non-root user */
+ /* remove fs privilege for non-root user. */
if (uc->mu_fsuid)
- uc->mu_cap = body->capability & ~CAP_FS_MASK;
+ uc->mu_cap = body->capability & ~CFS_CAP_FS_MASK;
else
uc->mu_cap = body->capability;
uc->mu_valid = UCRED_OLD;
if (!is_identity_get_disabled(mdt->mdt_identity_cache)) {
identity = mdt_identity_get(mdt->mdt_identity_cache,
uc->mu_fsuid);
- if (!identity) {
- CERROR("Deny access without identity: uid %d\n",
- uc->mu_fsuid);
- RETURN(-EACCES);
- }
+ if (IS_ERR(identity)) {
+ if (unlikely(PTR_ERR(identity) == -EREMCHG)) {
+ identity = NULL;
+ } else {
+ CDEBUG(D_SEC, "Deny access without identity: "
+ "uid %u\n", uc->mu_fsuid);
+ RETURN(-EACCES);
+ }
+ }
}
uc->mu_identity = identity;
- /* XXX: need to process root_squash here. */
- mdt_root_squash(info);
+ /* process root_squash here. */
+ mdt_root_squash(info, mdt_info_req(info)->rq_peer.nid);
- /* remove fs privilege for non-root user */
+ /* remove fs privilege for non-root user. */
if (uc->mu_fsuid)
- uc->mu_cap &= ~CAP_FS_MASK;
+ uc->mu_cap &= ~CFS_CAP_FS_MASK;
uc->mu_valid = UCRED_OLD;
RETURN(0);
void mdt_dump_lmm(int level, const struct lov_mds_md *lmm)
{
const struct lov_ost_data_v1 *lod;
- int i;
- __s16 stripe_count =
- le16_to_cpu(((struct lov_user_md*)lmm)->lmm_stripe_count);
+ int i;
+ __u16 count;
+
+ count = le16_to_cpu(((struct lov_user_md*)lmm)->lmm_stripe_count);
CDEBUG(level, "objid "LPX64", magic 0x%08X, pattern %#X\n",
le64_to_cpu(lmm->lmm_object_id), le32_to_cpu(lmm->lmm_magic),
le32_to_cpu(lmm->lmm_pattern));
CDEBUG(level,"stripe_size=0x%x, stripe_count=0x%x\n",
- le32_to_cpu(lmm->lmm_stripe_size),
- le32_to_cpu(lmm->lmm_stripe_count));
- LASSERT(stripe_count <= (__s16)LOV_MAX_STRIPE_COUNT);
- for (i = 0, lod = lmm->lmm_objects; i < stripe_count; i++, lod++) {
+ le32_to_cpu(lmm->lmm_stripe_size), count);
+ if (count == LOV_ALL_STRIPES)
+ return;
+ LASSERT(count <= LOV_MAX_STRIPE_COUNT);
+ for (i = 0, lod = lmm->lmm_objects; i < count; i++, lod++)
CDEBUG(level, "stripe %u idx %u subobj "LPX64"/"LPX64"\n",
i, le32_to_cpu(lod->l_ost_idx),
- le64_to_cpu(lod->l_object_gr),
+ le64_to_cpu(lod->l_object_seq),
le64_to_cpu(lod->l_object_id));
- }
}
-void mdt_shrink_reply(struct mdt_thread_info *info)
+/* Shrink and/or grow reply buffers */
+int mdt_fix_reply(struct mdt_thread_info *info)
{
- struct req_capsule *pill = &info->mti_pill;
- struct mdt_body *body;
- int acl_size, md_size, adjust = 0;
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_body *body;
+ int md_size, md_packed = 0;
+ int acl_size;
+ int rc = 0;
ENTRY;
body = req_capsule_server_get(pill, &RMF_MDT_BODY);
acl_size = body->aclsize;
- CDEBUG(D_INFO, "Shrink to md_size = %d cookie/acl_size = %d"
- " MDSCAPA = %d, OSSCAPA = %d\n",
+ /* this replay - not send info to client */
+ if (info->mti_spec.no_create == 1) {
+ md_size = 0;
+ acl_size = 0;
+ }
+
+ CDEBUG(D_INFO, "Shrink to md_size = %d cookie/acl_size = %d"
+ " MDSCAPA = %llx, OSSCAPA = %llx\n",
md_size, acl_size,
- (int)(body->valid & OBD_MD_FLMDSCAPA),
- (int)(body->valid & OBD_MD_FLOSSCAPA));
+ (unsigned long long)(body->valid & OBD_MD_FLMDSCAPA),
+ (unsigned long long)(body->valid & OBD_MD_FLOSSCAPA));
/*
&RMF_MDT_BODY,
&RMF_MDT_MD,
(optional) &RMF_CAPA2,
(optional) something else
*/
- adjust += req_capsule_shrink(pill, &RMF_MDT_MD,
- md_size, adjust, 1);
+
+ /* MDT_MD buffer may be bigger than packed value, let's shrink all
+ * buffers before growing it */
+ if (info->mti_big_lmm_used) {
+ LASSERT(req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER));
+ md_packed = req_capsule_get_size(pill, &RMF_MDT_MD,
+ RCL_SERVER);
+ LASSERT(md_packed > 0);
+ /* buffer must be allocated separately */
+ LASSERT(info->mti_attr.ma_lmm !=
+ req_capsule_server_get(pill, &RMF_MDT_MD));
+ req_capsule_shrink(pill, &RMF_MDT_MD, 0, RCL_SERVER);
+ /* free big lmm if md_size is not needed */
+ if (md_size == 0)
+ info->mti_big_lmm_used = 0;
+ } else if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER)) {
+ req_capsule_shrink(pill, &RMF_MDT_MD, md_size, RCL_SERVER);
+ }
if (req_capsule_has_field(pill, &RMF_ACL, RCL_SERVER))
- adjust += req_capsule_shrink(pill, &RMF_ACL,
- acl_size, adjust, 1);
+ req_capsule_shrink(pill, &RMF_ACL, acl_size, RCL_SERVER);
else if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
- adjust += req_capsule_shrink(pill, &RMF_LOGCOOKIES,
- acl_size, adjust, 1);
-
- /* RMF_CAPA1 on server-side maybe for OBD_MD_FLMDSCAPA or
- * OBD_MD_FLOSSCAPA. If RMF_CAPA2 exist also, RMF_CAPA1 is
- * for OBD_MD_FLMDSCAPA only. */
- if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_SERVER)) {
- if ((req_capsule_has_field(pill, &RMF_CAPA2, RCL_SERVER) &&
- !(body->valid & OBD_MD_FLMDSCAPA)) ||
- (!req_capsule_has_field(pill, &RMF_CAPA2, RCL_SERVER) &&
- !(body->valid & OBD_MD_FLMDSCAPA) &&
- !(body->valid & OBD_MD_FLOSSCAPA)))
- adjust += req_capsule_shrink(pill, &RMF_CAPA1,
- 0, adjust, 1);
- }
+ req_capsule_shrink(pill, &RMF_LOGCOOKIES,
+ acl_size, RCL_SERVER);
+
+ if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_SERVER) &&
+ !(body->valid & OBD_MD_FLMDSCAPA))
+ req_capsule_shrink(pill, &RMF_CAPA1, 0, RCL_SERVER);
- /* RMF_CAPA2 on server-side is for OBD_MD_FLOSSCAPA only. */
- if ((req_capsule_has_field(pill, &RMF_CAPA2, RCL_SERVER) &&
- !(body->valid & OBD_MD_FLOSSCAPA)))
- adjust += req_capsule_shrink(pill, &RMF_CAPA2, 0, adjust, 0);
+ if (req_capsule_has_field(pill, &RMF_CAPA2, RCL_SERVER) &&
+ !(body->valid & OBD_MD_FLOSSCAPA))
+ req_capsule_shrink(pill, &RMF_CAPA2, 0, RCL_SERVER);
/*
* Some more field should be shrinked if needed.
* This should be done by those who added fields to reply message.
*/
- EXIT;
+
+ /* Grow MD buffer if needed finally */
+ if (info->mti_big_lmm_used) {
+ void *lmm;
+
+ LASSERT(md_size > md_packed);
+ CDEBUG(D_INFO, "Enlarge reply buffer, need extra %d bytes\n",
+ md_size - md_packed);
+ rc = req_capsule_server_grow(pill, &RMF_MDT_MD, md_size);
+ if (rc) {
+ /* we can't answer with proper LOV EA, drop flags,
+ * the rc is also returned so this request is
+ * considered as failed */
+ body->valid &= ~(OBD_MD_FLDIREA | OBD_MD_FLEASIZE);
+ /* don't return transno along with error */
+ lustre_msg_set_transno(pill->rc_req->rq_repmsg, 0);
+ } else {
+ /* now we need to pack right LOV EA */
+ lmm = req_capsule_server_get(pill, &RMF_MDT_MD);
+ LASSERT(req_capsule_get_size(pill, &RMF_MDT_MD,
+ RCL_SERVER) ==
+ info->mti_attr.ma_lmm_size);
+ memcpy(lmm, info->mti_attr.ma_lmm,
+ info->mti_attr.ma_lmm_size);
+ }
+ /* update mdt_max_mdsize so clients will be aware about that */
+ if (info->mti_mdt->mdt_max_mdsize < info->mti_attr.ma_lmm_size)
+ info->mti_mdt->mdt_max_mdsize =
+ info->mti_attr.ma_lmm_size;
+ info->mti_big_lmm_used = 0;
+ }
+ RETURN(rc);
}
{
struct mdt_body *repbody;
const struct lu_attr *la = &ma->ma_attr;
+ int rc;
ENTRY;
- repbody = req_capsule_server_get(&info->mti_pill, &RMF_MDT_BODY);
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
if (ma->ma_valid & MA_INODE)
repbody->valid |= OBD_MD_FLCOOKIE;
}
+ if (info->mti_mdt->mdt_opts.mo_oss_capa &&
+ info->mti_exp->exp_connect_flags & OBD_CONNECT_OSS_CAPA &&
+ repbody->valid & OBD_MD_FLEASIZE) {
+ struct lustre_capa *capa;
+
+ capa = req_capsule_server_get(info->mti_pill, &RMF_CAPA2);
+ LASSERT(capa);
+ capa->lc_opc = CAPA_OPC_OSS_DESTROY;
+ rc = mo_capa_get(info->mti_env, mdt_object_child(mo), capa, 0);
+ if (rc)
+ RETURN(rc);
+
+ repbody->valid |= OBD_MD_FLOSSCAPA;
+ }
+
RETURN(0);
}
out |= LA_BLOCKS;
if (in & ATTR_FROM_OPEN)
- rr->rr_flags |= MRF_SETATTR_LOCKED;
+ rr->rr_flags |= MRF_OPEN_TRUNC;
if (in & ATTR_ATIME_SET)
out |= LA_ATIME;
if (in & ATTR_ATTR_FLAG)
out |= LA_FLAGS;
+ if (in & ATTR_KILL_SUID)
+ out |= LA_KILL_SUID;
+
+ if (in & ATTR_KILL_SGID)
+ out |= LA_KILL_SGID;
+
if (in & MDS_OPEN_OWNEROVERRIDE)
- out |= MDS_OPEN_OWNEROVERRIDE;
+ ma->ma_attr_flags |= MDS_OPEN_OWNEROVERRIDE;
+
+ if (in & ATTR_FORCE)
+ ma->ma_attr_flags |= MDS_PERM_BYPASS;
/*XXX need ATTR_RAW?*/
in &= ~(ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_SIZE|ATTR_BLOCKS|
ATTR_ATIME|ATTR_MTIME|ATTR_CTIME|ATTR_FROM_OPEN|
ATTR_ATIME_SET|ATTR_CTIME_SET|ATTR_MTIME_SET|
- ATTR_ATTR_FLAG|ATTR_RAW|MDS_OPEN_OWNEROVERRIDE);
+ ATTR_ATTR_FLAG|ATTR_RAW|MDS_OPEN_OWNEROVERRIDE|
+ ATTR_FORCE|ATTR_KILL_SUID|ATTR_KILL_SGID);
if (in != 0)
- CERROR("Unknown attr bits: %#llx\n", in);
+ CERROR("Unknown attr bits: "LPX64"\n", in);
return out;
}
/* unpacking */
struct md_ucred *uc = mdt_ucred(info);
struct md_attr *ma = &info->mti_attr;
struct lu_attr *la = &ma->ma_attr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
struct mdt_reint_record *rr = &info->mti_rr;
struct mdt_rec_setattr *rec;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_SETATTR);
+ CLASSERT(sizeof(struct mdt_rec_setattr)== sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
RETURN(0);
}
-static int mdt_epoch_unpack(struct mdt_thread_info *info)
+static int mdt_ioepoch_unpack(struct mdt_thread_info *info)
{
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
ENTRY;
if (req_capsule_get_size(pill, &RMF_MDT_EPOCH, RCL_CLIENT))
- info->mti_epoch = req_capsule_client_get(pill, &RMF_MDT_EPOCH);
+ info->mti_ioepoch =
+ req_capsule_client_get(pill, &RMF_MDT_EPOCH);
else
- info->mti_epoch = NULL;
- RETURN(info->mti_epoch == NULL ? -EFAULT : 0);
+ info->mti_ioepoch = NULL;
+ RETURN(info->mti_ioepoch == NULL ? -EFAULT : 0);
}
static inline int mdt_dlmreq_unpack(struct mdt_thread_info *info) {
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
if (req_capsule_get_size(pill, &RMF_DLM_REQ, RCL_CLIENT)) {
info->mti_dlm_req = req_capsule_client_get(pill, &RMF_DLM_REQ);
if (info->mti_dlm_req == NULL)
RETURN(-EFAULT);
}
-
+
RETURN(0);
}
static int mdt_setattr_unpack(struct mdt_thread_info *info)
{
+ struct mdt_reint_record *rr = &info->mti_rr;
struct md_attr *ma = &info->mti_attr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
int rc;
ENTRY;
RETURN(rc);
/* Epoch may be absent */
- mdt_epoch_unpack(info);
-
- ma->ma_lmm_size = req_capsule_get_size(pill, &RMF_EADATA, RCL_CLIENT);
- if (ma->ma_lmm_size) {
- ma->ma_lmm = req_capsule_client_get(pill, &RMF_EADATA);
- ma->ma_valid |= MA_LOV;
+ mdt_ioepoch_unpack(info);
+
+ if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
+ rr->rr_eadata = req_capsule_client_get(pill, &RMF_EADATA);
+ rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
+ RCL_CLIENT);
+ ma->ma_lmm_size = rr->rr_eadatalen;
+ if (ma->ma_lmm_size > 0) {
+ ma->ma_lmm = (void *)rr->rr_eadata;
+ ma->ma_valid |= MA_LOV;
+ }
}
ma->ma_cookie_size = req_capsule_get_size(pill, &RMF_LOGCOOKIES,
int rc;
ENTRY;
- rc = mdt_epoch_unpack(info);
+ rc = mdt_ioepoch_unpack(info);
if (rc)
RETURN(rc);
struct mdt_rec_create *rec;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
struct md_op_spec *sp = &info->mti_spec;
int rc;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_CREATE);
+ CLASSERT(sizeof(struct mdt_rec_create) == sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
attr->la_valid = LA_MODE | LA_RDEV | LA_UID | LA_GID |
LA_CTIME | LA_MTIME | LA_ATIME;
memset(&sp->u, 0, sizeof(sp->u));
- sp->sp_cr_flags = rec->cr_flags;
+ sp->sp_cr_flags = get_mrc_cr_flags(rec);
sp->sp_ck_split = !!(rec->cr_bias & MDS_CHECK_SPLIT);
info->mti_cross_ref = !!(rec->cr_bias & MDS_CROSS_REF);
req_capsule_client_get(pill, &RMF_CAPA1));
mdt_set_capainfo(info, 1, rr->rr_fid2, BYPASS_CAPA);
- rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
- rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
- LASSERT(rr->rr_namelen > 0);
-
+ if (!info->mti_cross_ref) {
+ rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
+ rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME,
+ RCL_CLIENT) - 1;
+ LASSERT(rr->rr_name && rr->rr_namelen > 0);
+ } else {
+ rr->rr_name = NULL;
+ rr->rr_namelen = 0;
+ }
+
#ifdef CONFIG_FS_POSIX_ACL
if (sp->sp_cr_flags & MDS_CREATE_RMT_ACL) {
if (S_ISDIR(attr->la_mode))
req_capsule_extend(pill, &RQF_MDS_REINT_CREATE_RMT_ACL);
LASSERT(req_capsule_field_present(pill, &RMF_EADATA,
RCL_CLIENT));
- sp->u.sp_ea.eadata = req_capsule_client_get(pill, &RMF_EADATA);
- sp->u.sp_ea.eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
- RCL_CLIENT);
+ rr->rr_eadata = req_capsule_client_get(pill, &RMF_EADATA);
+ rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
+ RCL_CLIENT);
+ sp->u.sp_ea.eadata = rr->rr_eadata;
+ sp->u.sp_ea.eadatalen = rr->rr_eadatalen;
sp->u.sp_ea.fid = rr->rr_fid1;
RETURN(0);
}
req_capsule_extend(pill, &RQF_MDS_REINT_CREATE_SLAVE);
LASSERT(req_capsule_field_present(pill, &RMF_EADATA,
RCL_CLIENT));
- sp->u.sp_ea.eadata = req_capsule_client_get(pill,
- &RMF_EADATA);
- sp->u.sp_ea.eadatalen = req_capsule_get_size(pill,
- &RMF_EADATA,
- RCL_CLIENT);
+ rr->rr_eadata = req_capsule_client_get(pill,
+ &RMF_EADATA);
+ rr->rr_eadatalen = req_capsule_get_size(pill,
+ &RMF_EADATA,
+ RCL_CLIENT);
+ sp->u.sp_ea.eadata = rr->rr_eadata;
+ sp->u.sp_ea.eadatalen = rr->rr_eadatalen;
sp->u.sp_ea.fid = rr->rr_fid1;
RETURN(0);
}
struct mdt_rec_link *rec;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
int rc;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_LINK);
+ CLASSERT(sizeof(struct mdt_rec_link) == sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
mdt_set_capainfo(info, 1, rr->rr_fid2,
req_capsule_client_get(pill, &RMF_CAPA2));
+ info->mti_spec.sp_ck_split = !!(rec->lk_bias & MDS_CHECK_SPLIT);
+ info->mti_cross_ref = !!(rec->lk_bias & MDS_CROSS_REF);
rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
if (rr->rr_name == NULL)
RETURN(-EFAULT);
rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
- LASSERT(rr->rr_namelen > 0);
- info->mti_spec.sp_ck_split = !!(rec->lk_bias & MDS_CHECK_SPLIT);
- info->mti_cross_ref = !!(rec->lk_bias & MDS_CROSS_REF);
+ if (!info->mti_cross_ref)
+ LASSERT(rr->rr_namelen > 0);
rc = mdt_dlmreq_unpack(info);
RETURN(rc);
struct md_attr *ma = &info->mti_attr;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
int rc;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_UNLINK);
+ CLASSERT(sizeof(struct mdt_rec_unlink) == sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
uc->mu_fsuid = rec->ul_fsuid;
uc->mu_fsgid = rec->ul_fsgid;
uc->mu_cap = rec->ul_cap;
- uc->mu_suppgids[0] = rec->ul_suppgid;
+ uc->mu_suppgids[0] = rec->ul_suppgid1;
uc->mu_suppgids[1] = -1;
attr->la_uid = rec->ul_fsuid;
mdt_set_capainfo(info, 0, rr->rr_fid1,
req_capsule_client_get(pill, &RMF_CAPA1));
- rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
- if (rr->rr_name == NULL)
- RETURN(-EFAULT);
- rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
- LASSERT(rr->rr_namelen > 0);
- info->mti_spec.sp_ck_split = !!(rec->ul_bias & MDS_CHECK_SPLIT);
info->mti_cross_ref = !!(rec->ul_bias & MDS_CROSS_REF);
+ if (!info->mti_cross_ref) {
+ rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
+ rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
+ if (rr->rr_name == NULL || rr->rr_namelen == 0)
+ RETURN(-EFAULT);
+ } else {
+ rr->rr_name = NULL;
+ rr->rr_namelen = 0;
+ }
+ info->mti_spec.sp_ck_split = !!(rec->ul_bias & MDS_CHECK_SPLIT);
if (rec->ul_bias & MDS_VTX_BYPASS)
ma->ma_attr_flags |= MDS_VTX_BYPASS;
else
ma->ma_attr_flags &= ~MDS_VTX_BYPASS;
+ info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info));
+ /* last unlink need LOV EA sent back */
+ rr->rr_eadatalen = info->mti_mdt->mdt_max_mdsize;
+
rc = mdt_dlmreq_unpack(info);
RETURN(rc);
}
struct md_attr *ma = &info->mti_attr;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
int rc;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_RENAME);
+ CLASSERT(sizeof(struct mdt_rec_rename) == sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
mdt_set_capainfo(info, 1, rr->rr_fid2,
req_capsule_client_get(pill, &RMF_CAPA2));
+ info->mti_spec.sp_ck_split = !!(rec->rn_bias & MDS_CHECK_SPLIT);
+ info->mti_cross_ref = !!(rec->rn_bias & MDS_CROSS_REF);
rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
rr->rr_tgt = req_capsule_client_get(pill, &RMF_SYMTGT);
if (rr->rr_name == NULL || rr->rr_tgt == NULL)
RETURN(-EFAULT);
rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
- LASSERT(rr->rr_namelen > 0);
rr->rr_tgtlen = req_capsule_get_size(pill, &RMF_SYMTGT, RCL_CLIENT) - 1;
- LASSERT(rr->rr_tgtlen > 0);
- info->mti_spec.sp_ck_split = !!(rec->rn_bias & MDS_CHECK_SPLIT);
- info->mti_cross_ref = !!(rec->rn_bias & MDS_CROSS_REF);
+ if (!info->mti_cross_ref)
+ LASSERT(rr->rr_namelen > 0 && rr->rr_tgtlen > 0);
if (rec->rn_bias & MDS_VTX_BYPASS)
ma->ma_attr_flags |= MDS_VTX_BYPASS;
else
ma->ma_attr_flags &= ~MDS_VTX_BYPASS;
+ info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info));
+ /* rename may contain unlink so we might need LOV EA sent back */
+ rr->rr_eadatalen = info->mti_mdt->mdt_max_mdsize;
+
rc = mdt_dlmreq_unpack(info);
RETURN(rc);
}
struct md_ucred *uc = mdt_ucred(info);
struct mdt_rec_create *rec;
struct lu_attr *attr = &info->mti_attr.ma_attr;
- struct req_capsule *pill = &info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
struct mdt_reint_record *rr = &info->mti_rr;
struct ptlrpc_request *req = mdt_info_req(info);
struct md_op_spec *sp = &info->mti_spec;
ENTRY;
- rec = req_capsule_client_get(pill, &RMF_REC_CREATE);
+ CLASSERT(sizeof(struct mdt_rec_create) == sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
attr->la_valid = LA_MODE | LA_RDEV | LA_UID | LA_GID |
LA_CTIME | LA_MTIME | LA_ATIME;
memset(&info->mti_spec.u, 0, sizeof(info->mti_spec.u));
- info->mti_spec.sp_cr_flags = rec->cr_flags;
+ info->mti_spec.sp_cr_flags = get_mrc_cr_flags(rec);
+ /* Do not trigger ASSERTION if client miss to set such flags. */
+ if (unlikely(info->mti_spec.sp_cr_flags == 0))
+ RETURN(-EPROTO);
info->mti_replayepoch = rec->cr_ioepoch;
info->mti_spec.sp_ck_split = !!(rec->cr_bias & MDS_CHECK_SPLIT);
if (req_capsule_get_size(pill, &RMF_CAPA1, RCL_CLIENT))
mdt_set_capainfo(info, 0, rr->rr_fid1,
req_capsule_client_get(pill, &RMF_CAPA1));
- if ((lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) &&
- (req_capsule_get_size(pill, &RMF_CAPA2, RCL_CLIENT))) {
+ if (req_is_replay(req) &&
+ req_capsule_get_size(pill, &RMF_CAPA2, RCL_CLIENT)) {
#if 0
mdt_set_capainfo(info, 1, rr->rr_fid2,
req_capsule_client_get(pill, &RMF_CAPA2));
RETURN(-EFAULT);
rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
- sp->u.sp_ea.eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
- RCL_CLIENT);
- if (sp->u.sp_ea.eadatalen) {
- sp->u.sp_ea.eadata = req_capsule_client_get(pill, &RMF_EADATA);
- if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY)
- sp->u.sp_ea.no_lov_create = 1;
+ if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
+ rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
+ RCL_CLIENT);
+ if (rr->rr_eadatalen > 0) {
+ rr->rr_eadata = req_capsule_client_get(pill,
+ &RMF_EADATA);
+ sp->u.sp_ea.eadatalen = rr->rr_eadatalen;
+ sp->u.sp_ea.eadata = rr->rr_eadata;
+ sp->no_create = !!req_is_replay(req);
+ }
+
+ /*
+ * Client default md_size may be 0 right after client start,
+ * until all osc are connected, set here just some reasonable
+ * value to prevent misbehavior.
+ */
+ if (rr->rr_eadatalen == 0 &&
+ !(info->mti_spec.sp_cr_flags & MDS_OPEN_DELAY_CREATE))
+ rr->rr_eadatalen = MIN_MD_SIZE;
+ }
+
+ RETURN(0);
+}
+
+static int mdt_setxattr_unpack(struct mdt_thread_info *info)
+{
+ struct mdt_reint_record *rr = &info->mti_rr;
+ struct md_ucred *uc = mdt_ucred(info);
+ struct lu_attr *attr = &info->mti_attr.ma_attr;
+ struct req_capsule *pill = info->mti_pill;
+ struct mdt_rec_setxattr *rec;
+ ENTRY;
+
+
+ CLASSERT(sizeof(struct mdt_rec_setxattr) ==
+ sizeof(struct mdt_rec_reint));
+
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
+ if (rec == NULL)
+ RETURN(-EFAULT);
+
+ uc->mu_fsuid = rec->sx_fsuid;
+ uc->mu_fsgid = rec->sx_fsgid;
+ uc->mu_cap = rec->sx_cap;
+ uc->mu_suppgids[0] = rec->sx_suppgid1;
+ uc->mu_suppgids[1] = -1;
+
+ rr->rr_opcode = rec->sx_opcode;
+ rr->rr_fid1 = &rec->sx_fid;
+ attr->la_valid = rec->sx_valid;
+ attr->la_ctime = rec->sx_time;
+ attr->la_size = rec->sx_size;
+ attr->la_flags = rec->sx_flags;
+
+ if (req_capsule_get_size(pill, &RMF_CAPA1, RCL_CLIENT))
+ mdt_set_capainfo(info, 0, rr->rr_fid1,
+ req_capsule_client_get(pill, &RMF_CAPA1));
+ else
+ mdt_set_capainfo(info, 0, rr->rr_fid1, BYPASS_CAPA);
+
+ rr->rr_name = req_capsule_client_get(pill, &RMF_NAME);
+ if (rr->rr_name == NULL)
+ RETURN(-EFAULT);
+ rr->rr_namelen = req_capsule_get_size(pill, &RMF_NAME, RCL_CLIENT) - 1;
+ LASSERT(rr->rr_namelen > 0);
+
+ if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
+ rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
+ RCL_CLIENT);
+ if (rr->rr_eadatalen > 0) {
+ rr->rr_eadata = req_capsule_client_get(pill,
+ &RMF_EADATA);
+ if (rr->rr_eadata == NULL)
+ RETURN(-EFAULT);
+ } else {
+ rr->rr_eadata = NULL;
+ }
+ } else if (!(attr->la_valid & OBD_MD_FLXATTRRM)) {
+ CDEBUG(D_INFO, "no xattr data supplied\n");
+ RETURN(-EFAULT);
}
RETURN(0);
}
+
typedef int (*reint_unpacker)(struct mdt_thread_info *info);
static reint_unpacker mdt_reint_unpackers[REINT_MAX] = {
[REINT_LINK] = mdt_link_unpack,
[REINT_UNLINK] = mdt_unlink_unpack,
[REINT_RENAME] = mdt_rename_unpack,
- [REINT_OPEN] = mdt_open_unpack
+ [REINT_OPEN] = mdt_open_unpack,
+ [REINT_SETXATTR] = mdt_setxattr_unpack
};
int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff