*
* 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
- *
- * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_acl.h>
#include <lustre_mds.h>
+#include <lustre_swab.h>
#include "mdt_internal.h"
#include <lustre_nodemap.h>
{
}
-static struct portals_handle_ops mfd_handle_ops = {
+static struct portals_handle_ops mfd_open_handle_ops = {
.hop_addref = mdt_mfd_get,
.hop_free = NULL,
};
OBD_ALLOC_PTR(mfd);
if (mfd != NULL) {
- INIT_LIST_HEAD(&mfd->mfd_handle.h_link);
- mfd->mfd_handle.h_owner = med;
+ INIT_LIST_HEAD_RCU(&mfd->mfd_open_handle.h_link);
+ mfd->mfd_open_handle.h_owner = med;
INIT_LIST_HEAD(&mfd->mfd_list);
- class_handle_hash(&mfd->mfd_handle, &mfd_handle_ops);
+ class_handle_hash(&mfd->mfd_open_handle, &mfd_open_handle_ops);
}
RETURN(mfd);
* but mfd can be found in mfd list by that handle.
* Callers need to be holding med_open_lock.
*/
-struct mdt_file_data *mdt_handle2mfd(struct mdt_export_data *med,
- const struct lustre_handle *handle,
- bool is_replay_or_resent)
+struct mdt_file_data *mdt_open_handle2mfd(struct mdt_export_data *med,
+ const struct lustre_handle *open_handle,
+ bool is_replay_or_resent)
{
struct mdt_file_data *mfd;
ENTRY;
- LASSERT(handle != NULL);
- mfd = class_handle2object(handle->cookie, med);
+ LASSERT(open_handle != NULL);
+ mfd = class_handle2object(open_handle->cookie, med);
/* during dw/setattr replay the mfd can be found by old handle */
if (mfd == NULL && is_replay_or_resent) {
list_for_each_entry(mfd, &med->med_open_head, mfd_list) {
- if (mfd->mfd_old_handle.cookie == handle->cookie)
+ if (mfd->mfd_open_handle_old.cookie ==
+ open_handle->cookie)
RETURN(mfd);
}
mfd = NULL;
void mdt_mfd_free(struct mdt_file_data *mfd)
{
LASSERT(list_empty(&mfd->mfd_list));
- OBD_FREE_RCU(mfd, sizeof *mfd, &mfd->mfd_handle);
+ OBD_FREE_RCU(mfd, sizeof *mfd, &mfd->mfd_open_handle);
}
static int mdt_create_data(struct mdt_thread_info *info,
ma->ma_need = MA_INODE | MA_LOV;
ma->ma_valid = 0;
mutex_lock(&o->mot_lov_mutex);
- if (!(o->mot_flags & MOF_LOV_CREATED)) {
+ if (!o->mot_lov_created) {
rc = mdo_create_data(info->mti_env,
p ? mdt_object_child(p) : NULL,
mdt_object_child(o), spec, ma);
rc = mdt_attr_get_complex(info, o, ma);
if (rc == 0 && ma->ma_valid & MA_LOV)
- o->mot_flags |= MOF_LOV_CREATED;
+ o->mot_lov_created = 1;
}
mutex_unlock(&o->mot_lov_mutex);
struct ptlrpc_request *req = mdt_info_req(info);
struct tg_export_data *ted;
struct lsd_client_data *lcd;
-
ENTRY;
+
+ if (mdt_rdonly(req->rq_export))
+ RETURN_EXIT;
+
/* transaction has occurred already */
if (lustre_msg_get_transno(req->rq_repmsg) != 0)
RETURN_EXIT;
if (info->mti_transno != 0) {
struct obd_export *exp = req->rq_export;
- CERROR("%s: replay trans "LPU64" NID %s: rc = %d\n",
+ CERROR("%s: replay trans %llu NID %s: rc = %d\n",
mdt_obd_name(mdt), info->mti_transno,
- libcfs_nid2str(exp->exp_connection->c_peer.nid),
- rc);
+ obd_export_nid2str(exp), rc);
spin_unlock(&mdt->mdt_lut.lut_translock);
RETURN_EXIT;
}
}
spin_unlock(&mdt->mdt_lut.lut_translock);
- CDEBUG(D_INODE, "transno = "LPU64", last_committed = "LPU64"\n",
+ CDEBUG(D_INODE, "transno = %llu, last_committed = %llu\n",
info->mti_transno,
req->rq_export->exp_obd->obd_last_committed);
* otherwise the following resend(after replay) can not
* be checked correctly by xid */
mutex_unlock(&ted->ted_lcd_lock);
- CDEBUG(D_HA, "%s: transno = "LPU64" < last_transno = "LPU64"\n",
+ CDEBUG(D_HA, "%s: transno = %llu < last_transno = %llu\n",
mdt_obd_name(mdt), info->mti_transno,
lcd->lcd_last_transno);
RETURN_EXIT;
EXIT;
}
-void mdt_mfd_set_mode(struct mdt_file_data *mfd, __u64 mode)
+void mdt_mfd_set_mode(struct mdt_file_data *mfd, u64 open_flags)
{
LASSERT(mfd != NULL);
- CDEBUG(D_HA, DFID " Change mfd mode "LPO64" -> "LPO64".\n",
- PFID(mdt_object_fid(mfd->mfd_object)), mfd->mfd_mode, mode);
+ CDEBUG(D_DENTRY, DFID " Change mfd open_flags %#llo -> %#llo.\n",
+ PFID(mdt_object_fid(mfd->mfd_object)), mfd->mfd_open_flags,
+ open_flags);
- mfd->mfd_mode = mode;
+ mfd->mfd_open_flags = open_flags;
}
/**
}
static int mdt_mfd_open(struct mdt_thread_info *info, struct mdt_object *p,
- struct mdt_object *o, __u64 flags, int created,
+ struct mdt_object *o, u64 open_flags, int created,
struct ldlm_reply *rep)
{
- struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_export_data *med = &req->rq_export->exp_mdt_data;
- struct mdt_file_data *mfd;
- struct md_attr *ma = &info->mti_attr;
- struct lu_attr *la = &ma->ma_attr;
- struct mdt_body *repbody;
- int rc = 0, isdir, isreg;
- ENTRY;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_export_data *med = &req->rq_export->exp_mdt_data;
+ struct mdt_file_data *mfd;
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_attr *la = &ma->ma_attr;
+ struct mdt_body *repbody;
+ bool isdir, isreg;
+ int rc = 0;
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ ENTRY;
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- isreg = S_ISREG(la->la_mode);
- isdir = S_ISDIR(la->la_mode);
- if (isreg && !(ma->ma_valid & MA_LOV) && !(flags & MDS_OPEN_RELEASE)) {
- /*
- * No EA, check whether it is will set regEA and dirEA since in
- * above attr get, these size might be zero, so reset it, to
- * retrieve the MD after create obj.
- */
- ma->ma_lmm_size = req_capsule_get_size(info->mti_pill,
- &RMF_MDT_MD,
- RCL_SERVER);
- /* in replay case, p == NULL */
- rc = mdt_create_data(info, p, o);
- if (rc)
- RETURN(rc);
+ isreg = S_ISREG(la->la_mode);
+ isdir = S_ISDIR(la->la_mode);
+ if (isreg && !(ma->ma_valid & MA_LOV) &&
+ !(open_flags & MDS_OPEN_RELEASE)) {
+ /*
+ * No EA, check whether it is will set regEA and dirEA since in
+ * above attr get, these size might be zero, so reset it, to
+ * retrieve the MD after create obj.
+ */
+ ma->ma_lmm_size = req_capsule_get_size(info->mti_pill,
+ &RMF_MDT_MD,
+ RCL_SERVER);
+ /* in replay case, p == NULL */
+ rc = mdt_create_data(info, p, o);
+ if (rc)
+ RETURN(rc);
if (exp_connect_flags(req->rq_export) & OBD_CONNECT_DISP_STRIPE)
mdt_set_disposition(info, rep, DISP_OPEN_STRIPE);
- }
+ }
- CDEBUG(D_INODE, "after open, ma_valid bit = "LPX64" lmm_size = %d\n",
- ma->ma_valid, ma->ma_lmm_size);
+ CDEBUG(D_INODE, "after open, ma_valid bit = %#llx lmm_size = %d\n",
+ ma->ma_valid, ma->ma_lmm_size);
- if (ma->ma_valid & MA_LOV) {
- LASSERT(ma->ma_lmm_size != 0);
+ if (ma->ma_valid & MA_LOV) {
+ LASSERT(ma->ma_lmm_size != 0);
repbody->mbo_eadatasize = ma->ma_lmm_size;
if (isdir)
repbody->mbo_valid |= OBD_MD_FLDIREA;
repbody->mbo_valid |= OBD_MD_FLDIREA | OBD_MD_MEA;
}
- if (flags & FMODE_WRITE)
+ if (open_flags & MDS_FMODE_WRITE)
rc = mdt_write_get(o);
- else if (flags & MDS_FMODE_EXEC)
+ else if (open_flags & MDS_FMODE_EXEC)
rc = mdt_write_deny(o);
- if (rc)
- RETURN(rc);
+ if (rc)
+ RETURN(rc);
- rc = mo_open(info->mti_env, mdt_object_child(o),
- created ? flags | MDS_OPEN_CREATED : flags);
+ rc = mo_open(info->mti_env, mdt_object_child(o),
+ created ? open_flags | MDS_OPEN_CREATED : open_flags);
if (rc != 0) {
/* If we allow the client to chgrp (CFS_SETGRP_PERM), but the
* client does not know which suppgid should be sent to the MDS,
mfd->mfd_xid = req->rq_xid;
/*
- * @flags is always not zero. At least it should be FMODE_READ,
+ * @open_flags is always not zero. At least it should be FMODE_READ,
* FMODE_WRITE or MDS_FMODE_EXEC.
*/
- LASSERT(flags != 0);
+ LASSERT(open_flags != 0);
/* Open handling. */
- mdt_mfd_set_mode(mfd, flags);
+ mdt_mfd_set_mode(mfd, open_flags);
atomic_inc(&o->mot_open_count);
- if (flags & MDS_OPEN_LEASE)
+ if (open_flags & MDS_OPEN_LEASE)
atomic_inc(&o->mot_lease_count);
/* replay handle */
* might be disconnected from server, and
* restart replay, so there maybe some orphan
* mfd here, we should remove them */
- LASSERT(info->mti_rr.rr_handle != NULL);
+ LASSERT(info->mti_rr.rr_open_handle != NULL);
spin_lock(&med->med_open_lock);
- old_mfd = mdt_handle2mfd(med, info->mti_rr.rr_handle, true);
+ old_mfd = mdt_open_handle2mfd(med, info->mti_rr.rr_open_handle,
+ true);
if (old_mfd != NULL) {
CDEBUG(D_HA, "delete orphan mfd = %p, fid = "DFID", "
- "cookie = "LPX64"\n", mfd,
+ "cookie = %#llx\n", mfd,
PFID(mdt_object_fid(mfd->mfd_object)),
- info->mti_rr.rr_handle->cookie);
- class_handle_unhash(&old_mfd->mfd_handle);
+ info->mti_rr.rr_open_handle->cookie);
+ class_handle_unhash(&old_mfd->mfd_open_handle);
list_del_init(&old_mfd->mfd_list);
spin_unlock(&med->med_open_lock);
/* no attr update for that close */
} else {
spin_unlock(&med->med_open_lock);
CDEBUG(D_HA, "orphan mfd not found, fid = "DFID", "
- "cookie = "LPX64"\n",
+ "cookie = %#llx\n",
PFID(mdt_object_fid(mfd->mfd_object)),
- info->mti_rr.rr_handle->cookie);
+ info->mti_rr.rr_open_handle->cookie);
}
- CDEBUG(D_HA, "Store old cookie "LPX64" in new mfd\n",
- info->mti_rr.rr_handle->cookie);
+ CDEBUG(D_HA, "Store old cookie %#llx in new mfd\n",
+ info->mti_rr.rr_open_handle->cookie);
- mfd->mfd_old_handle.cookie = info->mti_rr.rr_handle->cookie;
+ mfd->mfd_open_handle_old = *info->mti_rr.rr_open_handle;
}
- repbody->mbo_handle.cookie = mfd->mfd_handle.h_cookie;
+ repbody->mbo_open_handle.cookie = mfd->mfd_open_handle.h_cookie;
if (req->rq_export->exp_disconnected) {
spin_lock(&med->med_open_lock);
- class_handle_unhash(&mfd->mfd_handle);
+ class_handle_unhash(&mfd->mfd_open_handle);
list_del_init(&mfd->mfd_list);
spin_unlock(&med->med_open_lock);
mdt_mfd_close(info, mfd);
} else {
spin_lock(&med->med_open_lock);
- list_add(&mfd->mfd_list, &med->med_open_head);
+ list_add_tail(&mfd->mfd_list, &med->med_open_head);
spin_unlock(&med->med_open_lock);
}
mdt_empty_transno(info, rc);
- RETURN(rc);
+ RETURN(rc);
err_out:
- if (flags & FMODE_WRITE)
+ if (open_flags & MDS_FMODE_WRITE)
mdt_write_put(o);
- else if (flags & MDS_FMODE_EXEC)
+ else if (open_flags & MDS_FMODE_EXEC)
mdt_write_allow(o);
return rc;
static int mdt_finish_open(struct mdt_thread_info *info,
struct mdt_object *p, struct mdt_object *o,
- __u64 flags, int created, struct ldlm_reply *rep)
+ u64 open_flags, int created,
+ struct ldlm_reply *rep)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct obd_export *exp = req->rq_export;
islnk = S_ISLNK(la->la_mode);
mdt_pack_attr2body(info, repbody, la, mdt_object_fid(o));
+ /* compatibility check for 2.10 clients when it tries to open mirrored
+ * files. 2.10 clients don't verify overlapping components so they
+ * would read and write mirrored files just as if they were normal
+ * PFL files, which will cause the problem that sycned mirrors actually
+ * contain different data.
+ * Older clients are not a concern here because they don't even
+ * understand PFL layout. */
+ if (isreg && !exp_connect_flr(exp) && ma->ma_valid & MA_LOV &&
+ mdt_lmm_is_flr(ma->ma_lmm)) {
+ /* LU-10286: for simplicity clients who don't understand
+ * mirrored layout(with connect flag OBD_CONNECT2_FLR) won't
+ * be able to open mirrored files */
+ RETURN(-EOPNOTSUPP);
+ }
+
+ /* Overstriped files can crash older clients */
+ if (isreg && !exp_connect_overstriping(exp) &&
+ mdt_lmm_is_overstriping(ma->ma_lmm))
+ RETURN(-EOPNOTSUPP);
+
/* LU-2275, simulate broken behaviour (esp. prevalent in
* pre-2.4 servers where a very strange reply is sent on error
* that looks like it was actually almost successful and a
DISP_LOOKUP_NEG |
DISP_LOOKUP_POS);
- if (flags & MDS_OPEN_LOCK)
+ if (open_flags & MDS_OPEN_LOCK)
mdt_set_disposition(info, rep, DISP_OPEN_LOCK);
RETURN(-ENOENT);
}
- if (exp_connect_rmtclient(exp)) {
- void *buf = req_capsule_server_get(info->mti_pill, &RMF_ACL);
-
- rc = mdt_pack_remote_perm(info, o, buf);
- if (rc) {
- repbody->mbo_valid &= ~OBD_MD_FLRMTPERM;
- repbody->mbo_aclsize = 0;
- } else {
- repbody->mbo_valid |= OBD_MD_FLRMTPERM;
- repbody->mbo_aclsize = sizeof(struct mdt_remote_perm);
- }
- }
#ifdef CONFIG_FS_POSIX_ACL
- else if (exp_connect_flags(exp) & OBD_CONNECT_ACL)
- rc = mdt_pack_acl2body(info, repbody, o,
- exp->exp_target_data.ted_nodemap);
+ if (exp_connect_flags(exp) & OBD_CONNECT_ACL) {
+ struct lu_nodemap *nodemap = nodemap_get_from_exp(exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
+
+ rc = mdt_pack_acl2body(info, repbody, o, nodemap);
+ nodemap_putref(nodemap);
+ if (rc)
+ RETURN(rc);
+ }
#endif
- /*
- * If we are following a symlink, don't open; and do not return open
- * handle for special nodes as client required.
- */
+ /*
+ * If we are following a symlink, don't open; and do not return open
+ * handle for special nodes as client required.
+ */
if (islnk || (!isreg && !isdir &&
(exp_connect_flags(req->rq_export) & OBD_CONNECT_NODEVOH))) {
lustre_msg_set_transno(req->rq_repmsg, 0);
RETURN(0);
}
- /*
- * We need to return the existing object's fid back, so it is done here,
- * after preparing the reply.
- */
- if (!created && (flags & MDS_OPEN_EXCL) && (flags & MDS_OPEN_CREAT))
- RETURN(-EEXIST);
-
- /* This can't be done earlier, we need to return reply body */
- if (isdir) {
- if (flags & (MDS_OPEN_CREAT | FMODE_WRITE)) {
- /* We are trying to create or write an existing dir. */
- RETURN(-EISDIR);
- }
- } else if (flags & MDS_OPEN_DIRECTORY)
- RETURN(-ENOTDIR);
+ /*
+ * We need to return the existing object's fid back, so it is done here,
+ * after preparing the reply.
+ */
+ if (!created && (open_flags & MDS_OPEN_EXCL) &&
+ (open_flags & MDS_OPEN_CREAT))
+ RETURN(-EEXIST);
+
+ /* This can't be done earlier, we need to return reply body */
+ if (isdir) {
+ if (open_flags & (MDS_OPEN_CREAT | MDS_FMODE_WRITE)) {
+ /* We are trying to create or write an existing dir. */
+ RETURN(-EISDIR);
+ }
+ } else if (open_flags & MDS_OPEN_DIRECTORY)
+ RETURN(-ENOTDIR);
- if (OBD_FAIL_CHECK_RESET(OBD_FAIL_MDS_OPEN_CREATE,
- OBD_FAIL_LDLM_REPLY | OBD_FAIL_ONCE)) {
- RETURN(-EAGAIN);
- }
+ if (OBD_FAIL_CHECK_RESET(OBD_FAIL_MDS_OPEN_CREATE,
+ OBD_FAIL_MDS_LDLM_REPLY_NET | OBD_FAIL_ONCE))
+ RETURN(-EAGAIN);
mfd = NULL;
if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
}
spin_unlock(&med->med_open_lock);
- if (mfd != NULL) {
- repbody->mbo_handle.cookie = mfd->mfd_handle.h_cookie;
+ if (mfd != NULL) {
+ repbody->mbo_open_handle.cookie =
+ mfd->mfd_open_handle.h_cookie;
/* set repbody->ea_size for resent case */
if (ma->ma_valid & MA_LOV) {
LASSERT(ma->ma_lmm_size != 0);
}
}
- rc = mdt_mfd_open(info, p, o, flags, created, rep);
+ rc = mdt_mfd_open(info, p, o, open_flags, created, rep);
if (!rc)
mdt_set_disposition(info, rep, DISP_OPEN_OPEN);
}
void mdt_reconstruct_open(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc)
+ struct mdt_lock_handle *lhc)
{
- const struct lu_env *env = info->mti_env;
- struct mdt_device *mdt = info->mti_mdt;
- struct req_capsule *pill = info->mti_pill;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct md_attr *ma = &info->mti_attr;
- struct mdt_reint_record *rr = &info->mti_rr;
- __u64 flags = info->mti_spec.sp_cr_flags;
- struct ldlm_reply *ldlm_rep;
- struct mdt_object *parent;
- struct mdt_object *child;
- struct mdt_body *repbody;
- int rc;
- __u64 opdata;
+ const struct lu_env *env = info->mti_env;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct req_capsule *pill = info->mti_pill;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct md_attr *ma = &info->mti_attr;
+ struct mdt_reint_record *rr = &info->mti_rr;
+ u64 open_flags = info->mti_spec.sp_cr_flags;
+ struct ldlm_reply *ldlm_rep;
+ struct mdt_object *parent;
+ struct mdt_object *child;
+ struct mdt_body *repbody;
+ u64 opdata;
+ int rc;
ENTRY;
- LASSERT(pill->rc_fmt == &RQF_LDLM_INTENT_OPEN);
- ldlm_rep = req_capsule_server_get(pill, &RMF_DLM_REP);
- repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ LASSERT(pill->rc_fmt == &RQF_LDLM_INTENT_OPEN);
+ ldlm_rep = req_capsule_server_get(pill, &RMF_DLM_REP);
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
ma->ma_need = MA_INODE | MA_HSM;
ma->ma_valid = 0;
opdata = mdt_req_from_lrd(req, info->mti_reply_data);
mdt_set_disposition(info, ldlm_rep, opdata);
- CDEBUG(D_INODE, "This is reconstruct open: disp="LPX64", result=%d\n",
+ CDEBUG(D_INODE, "This is reconstruct open: disp=%#llx, result=%d\n",
ldlm_rep->lock_policy_res1, req->rq_status);
if (mdt_get_disposition(ldlm_rep, DISP_OPEN_CREATE) &&
}
if (unlikely(mdt_object_remote(child))) {
+ mdt_object_put(env, parent);
+ mdt_object_put(env, child);
/* the child object was created on remote server */
- if (!mdt_is_dne_client(exp)) {
+ if (!mdt_is_dne_client(exp))
/* Return -EIO for old client */
- mdt_object_put(env, parent);
- mdt_object_put(env, child);
GOTO(out, rc = -EIO);
- }
repbody->mbo_fid1 = *rr->rr_fid2;
repbody->mbo_valid |= (OBD_MD_FLID | OBD_MD_MDS);
- rc = 0;
- } else {
- if (mdt_object_exists(child)) {
- mdt_prep_ma_buf_from_rep(info, child, ma);
- rc = mdt_attr_get_complex(info, child, ma);
- if (rc == 0)
- rc = mdt_finish_open(info, parent,
- child, flags,
- 1, ldlm_rep);
- } else {
- /* the child does not exist, we should do
- * regular open */
- mdt_object_put(env, parent);
- mdt_object_put(env, child);
- GOTO(regular_open, 0);
- }
+ GOTO(out, rc = 0);
}
- mdt_object_put(env, parent);
- mdt_object_put(env, child);
- GOTO(out, rc);
- } else {
-regular_open:
- /* We did not try to create, so we are a pure open */
- rc = mdt_reint_open(info, lhc);
- }
-
- EXIT;
+ if (mdt_object_exists(child)) {
+ mdt_prep_ma_buf_from_rep(info, child, ma);
+ rc = mdt_attr_get_complex(info, child, ma);
+ if (!rc)
+ rc = mdt_finish_open(info, parent, child,
+ open_flags, 1, ldlm_rep);
+ mdt_object_put(env, parent);
+ mdt_object_put(env, child);
+ if (!rc)
+ mdt_pack_size2body(info, rr->rr_fid2,
+ &lhc->mlh_reg_lh);
+ GOTO(out, rc);
+ }
+ /* the child does not exist, we should do regular open */
+ mdt_object_put(env, parent);
+ mdt_object_put(env, child);
+ }
+ /* We did not try to create, so we are a pure open */
+ rc = mdt_reint_open(info, lhc);
+ EXIT;
out:
- req->rq_status = rc;
- lustre_msg_set_status(req->rq_repmsg, req->rq_status);
- LASSERT(ergo(rc < 0, lustre_msg_get_transno(req->rq_repmsg) == 0));
+ req->rq_status = rc;
+ lustre_msg_set_status(req->rq_repmsg, req->rq_status);
+ LASSERT(ergo(rc < 0, lustre_msg_get_transno(req->rq_repmsg) == 0));
}
static int mdt_open_by_fid(struct mdt_thread_info *info, struct ldlm_reply *rep)
{
- __u64 flags = info->mti_spec.sp_cr_flags;
- struct mdt_reint_record *rr = &info->mti_rr;
- struct md_attr *ma = &info->mti_attr;
- struct mdt_object *o;
- int rc;
- ENTRY;
+ u64 open_flags = info->mti_spec.sp_cr_flags;
+ struct mdt_reint_record *rr = &info->mti_rr;
+ struct md_attr *ma = &info->mti_attr;
+ struct mdt_object *o;
+ int rc;
- o = mdt_object_find(info->mti_env, info->mti_mdt, rr->rr_fid2);
- if (IS_ERR(o))
- RETURN(rc = PTR_ERR(o));
+ ENTRY;
+ o = mdt_object_find(info->mti_env, info->mti_mdt, rr->rr_fid2);
+ if (IS_ERR(o))
+ RETURN(rc = PTR_ERR(o));
if (unlikely(mdt_object_remote(o))) {
- /* the child object was created on remote server */
- struct mdt_body *repbody;
+ /* the child object was created on remote server */
+ struct mdt_body *repbody;
mdt_set_disposition(info, rep, (DISP_IT_EXECD |
DISP_LOOKUP_EXECD |
DISP_LOOKUP_POS));
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
repbody->mbo_fid1 = *rr->rr_fid2;
repbody->mbo_valid |= (OBD_MD_FLID | OBD_MD_MDS);
- rc = 0;
+ rc = 0;
} else {
if (mdt_object_exists(o)) {
mdt_set_disposition(info, rep, (DISP_IT_EXECD |
mdt_prep_ma_buf_from_rep(info, o, ma);
rc = mdt_attr_get_complex(info, o, ma);
if (rc == 0)
- rc = mdt_finish_open(info, NULL, o, flags, 0,
- rep);
+ rc = mdt_finish_open(info, NULL, o, open_flags,
+ 0, rep);
} else {
rc = -ENOENT;
}
}
- mdt_object_put(info->mti_env, o);
- RETURN(rc);
+ mdt_object_put(info->mti_env, o);
+ RETURN(rc);
}
/* lock object for open */
{
struct md_attr *ma = &info->mti_attr;
__u64 open_flags = info->mti_spec.sp_cr_flags;
+ __u64 trybits = 0;
enum ldlm_mode lm = LCK_CR;
bool acq_lease = !!(open_flags & MDS_OPEN_LEASE);
bool try_layout = false;
bool create_layout = false;
int rc = 0;
+ int dom_stripes = LMM_NO_DOM;
+ bool dom_lock = false;
+
ENTRY;
*ibits = 0;
if (exp_connect_layout(info->mti_exp) && !create_layout &&
ma->ma_need & MA_LOV)
try_layout = true;
+
+ /* DoM files can have just MDT stripe or combined MDT + OST
+ * stripes.
+ * - In the first case the open for read/write will do IO to
+ * the MDT stripe and it makes sense to take IO lock in
+ * advance along with OPEN even if it is blocking lock.
+ * - In the second case it is just size of MDT stripe and it
+ * is quite unlikely that client will write into it, though
+ * it may read it. So IO lock will be taken optionally if it
+ * is non-blocking one.
+ */
+ if (ma->ma_valid & MA_LOV && ma->ma_lmm != NULL)
+ dom_stripes = mdt_lmm_dom_entry(ma->ma_lmm);
+
+ if (dom_stripes == LMM_DOM_ONLY &&
+ info->mti_mdt->mdt_opts.mo_dom_lock > 0 &&
+ !mdt_dom_client_has_lock(info, mdt_object_fid(obj)))
+ dom_lock = true;
}
if (acq_lease) {
/* Lease must be with open lock */
if (!(open_flags & MDS_OPEN_LOCK)) {
- CERROR("Request lease for file:"DFID ", but open lock "
- "is missed, open_flags = "LPO64".\n",
- PFID(mdt_object_fid(obj)), open_flags);
+ CERROR("%s: Request lease for file:"DFID ", but open lock "
+ "is missed, open_flags = %#llo : rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(obj)), open_flags, -EPROTO);
GOTO(out, rc = -EPROTO);
}
down_read(&obj->mot_open_sem);
if (open_flags & MDS_OPEN_LOCK) {
- if (open_flags & FMODE_WRITE)
+ if (open_flags & MDS_FMODE_WRITE)
lm = LCK_CW;
else if (open_flags & MDS_FMODE_EXEC)
lm = LCK_PR;
*ibits = MDS_INODELOCK_LOOKUP | MDS_INODELOCK_OPEN;
} else if (atomic_read(&obj->mot_lease_count) > 0) {
- if (open_flags & FMODE_WRITE)
+ if (open_flags & MDS_FMODE_WRITE)
lm = LCK_CW;
else
lm = LCK_CR;
try_layout = false;
lhc = &info->mti_lh[MDT_LH_LOCAL];
+ } else if (dom_lock) {
+ lm = (open_flags & MDS_FMODE_WRITE) ? LCK_PW : LCK_PR;
+ if (info->mti_mdt->mdt_opts.mo_dom_lock ==
+ TRYLOCK_DOM_ON_OPEN) {
+ trybits |= MDS_INODELOCK_DOM |
+ MDS_INODELOCK_LAYOUT;
+ } else {
+ /* mo_dom_lock == ALWAYS_DOM_LOCK_ON_OPEN */
+ *ibits = MDS_INODELOCK_DOM;
+ if (info->mti_mdt->mdt_opts.mo_dom_read_open) {
+ trybits |= MDS_INODELOCK_LAYOUT;
+ }
+ }
}
+
CDEBUG(D_INODE, "normal open:"DFID" lease count: %d, lm: %d\n",
PFID(mdt_object_fid(obj)),
- atomic_read(&obj->mot_open_count), lm);
+ atomic_read(&obj->mot_lease_count), lm);
}
mdt_lock_reg_init(lhc, lm);
- /* one problem to return layout lock on open is that it may result
- * in too many layout locks cached on the client side. */
+ /* Return lookup lock to validate inode at the client side.
+ * This is pretty important otherwise MDT will return layout
+ * lock for each open.
+ * However this is a double-edged sword because changing
+ * permission will revoke a huge number of LOOKUP locks.
+ */
if (!OBD_FAIL_CHECK(OBD_FAIL_MDS_NO_LL_OPEN) && try_layout) {
- /* return lookup lock to validate inode at the client side,
- * this is pretty important otherwise mdt will return layout
- * lock for each open.
- * However this is a double-edged sword because changing
- * permission will revoke huge # of LOOKUP locks. */
- *ibits |= MDS_INODELOCK_LAYOUT | MDS_INODELOCK_LOOKUP;
- if (!mdt_object_lock_try(info, obj, lhc, *ibits)) {
- *ibits &= ~(MDS_INODELOCK_LAYOUT|MDS_INODELOCK_LOOKUP);
- if (*ibits != 0)
- rc = mdt_object_lock(info, obj, lhc, *ibits);
- }
- } else if (*ibits != 0) {
- rc = mdt_object_lock(info, obj, lhc, *ibits);
+ if (!(*ibits & MDS_INODELOCK_LOOKUP))
+ trybits |= MDS_INODELOCK_LOOKUP;
+ trybits |= MDS_INODELOCK_LAYOUT;
}
- CDEBUG(D_INODE, "Requested bits lock:"DFID ", ibits = "LPX64
- ", open_flags = "LPO64", try_layout = %d, rc = %d\n",
- PFID(mdt_object_fid(obj)), *ibits, open_flags, try_layout, rc);
+ if (*ibits | trybits)
+ rc = mdt_object_lock_try(info, obj, lhc, ibits, trybits, false);
+
+ CDEBUG(D_INODE, "%s: Requested bits lock:"DFID ", ibits = %#llx/%#llx"
+ ", open_flags = %#llo, try_layout = %d : rc = %d\n",
+ mdt_obd_name(info->mti_mdt), PFID(mdt_object_fid(obj)),
+ *ibits, trybits, open_flags, try_layout, rc);
/* will change layout, revoke layout locks by enqueuing EX lock. */
if (rc == 0 && create_layout) {
struct mdt_lock_handle *ll = &info->mti_lh[MDT_LH_LAYOUT];
CDEBUG(D_INODE, "Will create layout, get EX layout lock:"DFID
- ", open_flags = "LPO64"\n",
+ ", open_flags = %#llo\n",
PFID(mdt_object_fid(obj)), open_flags);
/* We cannot enqueue another lock for the same resource we
is_replay_or_resent = req_is_replay(req) ||
lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT;
- /* if the request is _not_ a replay request, rr_handle
- * may be used to hold an openhandle which is issuing the
+ /* if the request is _not_ a replay request, rr_open_handle
+ * may be used to hold an open file handle which is issuing the
* lease request, so that this openhandle doesn't count. */
- mfd = mdt_handle2mfd(med, info->mti_rr.rr_handle,
- is_replay_or_resent);
+ mfd = mdt_open_handle2mfd(med, info->mti_rr.rr_open_handle,
+ is_replay_or_resent);
if (mfd != NULL)
++open_count;
if (ibits == 0 || rc == -MDT_EREMOTE_OPEN)
RETURN_EXIT;
- if (!(open_flags & MDS_OPEN_LOCK) && !(ibits & MDS_INODELOCK_LAYOUT)) {
+ if (!(open_flags & MDS_OPEN_LOCK) && !(ibits & MDS_INODELOCK_LAYOUT) &&
+ !(ibits & MDS_INODELOCK_DOM)) {
/* for the open request, the lock will only return to client
* if open or layout lock is granted. */
rc = 1;
struct ldlm_reply *rep,
struct mdt_lock_handle *lhc)
{
- const struct lu_env *env = info->mti_env;
- struct mdt_device *mdt = info->mti_mdt;
- __u64 flags = info->mti_spec.sp_cr_flags;
- struct mdt_reint_record *rr = &info->mti_rr;
- struct md_attr *ma = &info->mti_attr;
- struct mdt_object *parent= NULL;
- struct mdt_object *o;
- int rc;
- bool object_locked = false;
- __u64 ibits = 0;
- ENTRY;
+ const struct lu_env *env = info->mti_env;
+ struct mdt_device *mdt = info->mti_mdt;
+ u64 open_flags = info->mti_spec.sp_cr_flags;
+ struct mdt_reint_record *rr = &info->mti_rr;
+ struct md_attr *ma = &info->mti_attr;
+ struct mdt_object *parent = NULL;
+ struct mdt_object *o;
+ bool object_locked = false;
+ u64 ibits = 0;
+ int rc;
- if (md_should_create(flags) && !(flags & MDS_OPEN_HAS_EA)) {
- if (!lu_fid_eq(rr->rr_fid1, rr->rr_fid2)) {
- parent = mdt_object_find(env, mdt, rr->rr_fid1);
- if (IS_ERR(parent)) {
- CDEBUG(D_INODE, "Fail to find parent "DFID
- " for anonymous created %ld, try to"
- " use server-side parent.\n",
- PFID(rr->rr_fid1), PTR_ERR(parent));
- parent = NULL;
- }
- }
- if (parent == NULL)
- ma->ma_need |= MA_PFID;
- }
+ ENTRY;
+ if (md_should_create(open_flags)) {
+ if (!lu_fid_eq(rr->rr_fid1, rr->rr_fid2)) {
+ parent = mdt_object_find(env, mdt, rr->rr_fid1);
+ if (IS_ERR(parent)) {
+ CDEBUG(D_INODE, "Fail to find parent "DFID
+ " for anonymous created %ld, try to"
+ " use server-side parent.\n",
+ PFID(rr->rr_fid1), PTR_ERR(parent));
+ parent = NULL;
+ }
+ }
+ if (parent == NULL)
+ ma->ma_need |= MA_PFID;
+ }
o = mdt_object_find(env, mdt, rr->rr_fid2);
if (IS_ERR(o))
mdt_set_disposition(info, rep, (DISP_IT_EXECD | DISP_LOOKUP_EXECD));
mdt_prep_ma_buf_from_rep(info, o, ma);
- if (flags & MDS_OPEN_RELEASE)
+ if (open_flags & MDS_OPEN_RELEASE)
ma->ma_need |= MA_HSM;
rc = mdt_attr_get_complex(info, o, ma);
if (rc)
/* We should not change file's existing LOV EA */
if (S_ISREG(lu_object_attr(&o->mot_obj)) &&
- flags & MDS_OPEN_HAS_EA && ma->ma_valid & MA_LOV)
+ open_flags & MDS_OPEN_HAS_EA && ma->ma_valid & MA_LOV)
GOTO(out, rc = -EEXIST);
- /* If a release request, check file flags are fine and ask for an
+ /* If a release request, check file open flags are fine and ask for an
* exclusive open access. */
- if (flags & MDS_OPEN_RELEASE && !mdt_hsm_release_allow(ma))
+ if (open_flags & MDS_OPEN_RELEASE && !mdt_hsm_release_allow(ma))
GOTO(out, rc = -EPERM);
rc = mdt_check_resent_lock(info, o, lhc);
GOTO(out_unlock, rc);
}
- if (ma->ma_valid & MA_PFID) {
- parent = mdt_object_find(env, mdt, &ma->ma_pfid);
- if (IS_ERR(parent)) {
- CDEBUG(D_INODE, "Fail to find parent "DFID
- " for anonymous created %ld, try to"
- " use system default.\n",
- PFID(&ma->ma_pfid), PTR_ERR(parent));
- parent = NULL;
- }
- }
+ if (ma->ma_valid & MA_PFID) {
+ parent = mdt_object_find(env, mdt, &ma->ma_pfid);
+ if (IS_ERR(parent)) {
+ CDEBUG(D_INODE, "Fail to find parent "DFID
+ " for anonymous created %ld, try to"
+ " use system default.\n",
+ PFID(&ma->ma_pfid), PTR_ERR(parent));
+ parent = NULL;
+ }
+ }
- rc = mdt_finish_open(info, parent, o, flags, 0, rep);
+ rc = mdt_finish_open(info, parent, o, open_flags, 0, rep);
if (!rc) {
mdt_set_disposition(info, rep, DISP_LOOKUP_POS);
- if (flags & MDS_OPEN_LOCK)
+ if (open_flags & MDS_OPEN_LOCK)
mdt_set_disposition(info, rep, DISP_OPEN_LOCK);
- if (flags & MDS_OPEN_LEASE)
+ if (open_flags & MDS_OPEN_LEASE)
mdt_set_disposition(info, rep, DISP_OPEN_LEASE);
}
GOTO(out_unlock, rc);
mdt_object_open_unlock(info, o, lhc, ibits, rc);
out:
mdt_object_put(env, o);
+ if (rc == 0)
+ mdt_pack_size2body(info, rr->rr_fid2, &lhc->mlh_reg_lh);
out_parent_put:
if (parent != NULL)
mdt_object_put(env, parent);
static int mdt_cross_open(struct mdt_thread_info *info,
const struct lu_fid *parent_fid,
const struct lu_fid *fid,
- struct ldlm_reply *rep, __u32 flags)
+ struct ldlm_reply *rep, u64 open_flags)
{
- struct md_attr *ma = &info->mti_attr;
- struct mdt_object *o;
- int rc;
- ENTRY;
+ struct md_attr *ma = &info->mti_attr;
+ struct mdt_object *o;
+ int rc;
+ ENTRY;
- o = mdt_object_find(info->mti_env, info->mti_mdt, fid);
- if (IS_ERR(o))
- RETURN(rc = PTR_ERR(o));
+ o = mdt_object_find(info->mti_env, info->mti_mdt, fid);
+ if (IS_ERR(o))
+ RETURN(rc = PTR_ERR(o));
if (mdt_object_remote(o)) {
/* Something is wrong here, the object is on another MDS! */
LU_OBJECT_DEBUG(D_WARNING, info->mti_env,
&o->mot_obj,
"Object isn't on this server! FLD error?");
- rc = -EFAULT;
+ rc = -EFAULT;
} else {
if (mdt_object_exists(o)) {
- /* Do permission check for cross-open. */
+ int mask;
+
+ /* Do permission check for cross-open after converting
+ * MDS_OPEN_* flags to MAY_* permission mask.
+ */
+ mask = mds_accmode(open_flags);
+
rc = mo_permission(info->mti_env, NULL,
- mdt_object_child(o),
- NULL, flags | MDS_OPEN_CROSS);
+ mdt_object_child(o), NULL, mask);
if (rc)
goto out;
if (rc != 0)
GOTO(out, rc);
- rc = mdt_finish_open(info, NULL, o, flags, 0, rep);
+ mdt_pack_secctx_in_reply(info, o);
+
+ rc = mdt_finish_open(info, NULL, o, open_flags, 0, rep);
} else {
/*
* Something is wrong here. lookup was positive but
mdt_obd_name(info->mti_mdt), PFID(fid), -EFAULT);
rc = -EFAULT;
}
- }
+ }
out:
- mdt_object_put(info->mti_env, o);
- RETURN(rc);
+ mdt_object_put(info->mti_env, o);
+
+ RETURN(rc);
+}
+
+/*
+ * find root object and take its xattr lock if it's on remote MDT, later create
+ * may use fs default striping (which is stored in root xattr).
+ */
+static int mdt_lock_root_xattr(struct mdt_thread_info *info,
+ struct mdt_device *mdt)
+{
+ struct mdt_object *md_root = mdt->mdt_md_root;
+ struct lustre_handle lhroot;
+ int rc;
+
+ if (md_root == NULL) {
+ lu_root_fid(&info->mti_tmp_fid1);
+ md_root = mdt_object_find(info->mti_env, mdt,
+ &info->mti_tmp_fid1);
+ if (IS_ERR(md_root))
+ return PTR_ERR(md_root);
+
+ spin_lock(&mdt->mdt_lock);
+ if (mdt->mdt_md_root != NULL) {
+ spin_unlock(&mdt->mdt_lock);
+
+ LASSERTF(mdt->mdt_md_root == md_root,
+ "Different root object ("
+ DFID") instances, %p, %p\n",
+ PFID(&info->mti_tmp_fid1),
+ mdt->mdt_md_root, md_root);
+ LASSERT(atomic_read(
+ &md_root->mot_obj.lo_header->loh_ref) > 1);
+
+ mdt_object_put(info->mti_env, md_root);
+ } else {
+ mdt->mdt_md_root = md_root;
+ spin_unlock(&mdt->mdt_lock);
+ }
+ }
+
+ if (md_root->mot_cache_attr || !mdt_object_remote(md_root))
+ return 0;
+
+ rc = mdt_remote_object_lock(info, md_root, mdt_object_fid(md_root),
+ &lhroot, LCK_PR, MDS_INODELOCK_XATTR,
+ true);
+ if (rc < 0)
+ return rc;
+
+ md_root->mot_cache_attr = 1;
+
+ /* don't cancel this lock, so that we know the cached xattr is valid. */
+ ldlm_lock_decref(&lhroot, LCK_PR);
+
+ return 0;
}
int mdt_reint_open(struct mdt_thread_info *info, struct mdt_lock_handle *lhc)
{
- struct mdt_device *mdt = info->mti_mdt;
- struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_object *parent;
- struct mdt_object *child;
- struct mdt_lock_handle *lh;
- struct ldlm_reply *ldlm_rep;
- struct mdt_body *repbody;
- struct lu_fid *child_fid = &info->mti_tmp_fid1;
- struct md_attr *ma = &info->mti_attr;
- __u64 create_flags = info->mti_spec.sp_cr_flags;
- __u64 ibits = 0;
- struct mdt_reint_record *rr = &info->mti_rr;
- int result, rc;
- int created = 0;
- int object_locked = 0;
- __u32 msg_flags;
- ENTRY;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct ptlrpc_request *req = mdt_info_req(info);
+ struct mdt_object *parent;
+ struct mdt_object *child;
+ struct mdt_lock_handle *lh;
+ struct ldlm_reply *ldlm_rep;
+ struct mdt_body *repbody;
+ struct lu_fid *child_fid = &info->mti_tmp_fid1;
+ struct md_attr *ma = &info->mti_attr;
+ u64 open_flags = info->mti_spec.sp_cr_flags;
+ u64 ibits = 0;
+ struct mdt_reint_record *rr = &info->mti_rr;
+ int result, rc;
+ int created = 0;
+ int object_locked = 0;
+ u32 msg_flags;
- OBD_FAIL_TIMEOUT_ORSET(OBD_FAIL_MDS_PAUSE_OPEN, OBD_FAIL_ONCE,
- (obd_timeout + 1) / 4);
+ ENTRY;
+ OBD_FAIL_TIMEOUT_ORSET(OBD_FAIL_MDS_PAUSE_OPEN, OBD_FAIL_ONCE,
+ (obd_timeout + 1) / 4);
mdt_counter_incr(req, LPROC_MDT_OPEN);
- repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
- ma->ma_need = MA_INODE;
- ma->ma_valid = 0;
+ ma->ma_need = MA_INODE;
+ ma->ma_valid = 0;
- LASSERT(info->mti_pill->rc_fmt == &RQF_LDLM_INTENT_OPEN);
- ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
+ LASSERT(info->mti_pill->rc_fmt == &RQF_LDLM_INTENT_OPEN);
+ ldlm_rep = req_capsule_server_get(info->mti_pill, &RMF_DLM_REP);
- if (unlikely(create_flags & MDS_OPEN_JOIN_FILE)) {
- CERROR("file join is not supported anymore.\n");
- GOTO(out, result = err_serious(-EOPNOTSUPP));
- }
- msg_flags = lustre_msg_get_flags(req->rq_reqmsg);
+ if (unlikely(open_flags & MDS_OPEN_JOIN_FILE)) {
+ CERROR("file join is not supported anymore.\n");
+ GOTO(out, result = err_serious(-EOPNOTSUPP));
+ }
+ msg_flags = lustre_msg_get_flags(req->rq_reqmsg);
- if ((create_flags & (MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS)) &&
- info->mti_spec.u.sp_ea.eadata == NULL)
- GOTO(out, result = err_serious(-EINVAL));
+ if ((open_flags & (MDS_OPEN_HAS_EA | MDS_OPEN_HAS_OBJS)) &&
+ info->mti_spec.u.sp_ea.eadata == NULL)
+ GOTO(out, result = err_serious(-EINVAL));
- if (create_flags & FMODE_WRITE &&
+ if (open_flags & MDS_FMODE_WRITE &&
exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
GOTO(out, result = -EROFS);
CDEBUG(D_INODE, "I am going to open "DFID"/("DNAME"->"DFID") "
- "cr_flag="LPO64" mode=0%06o msg_flag=0x%x\n",
- PFID(rr->rr_fid1), PNAME(&rr->rr_name),
- PFID(rr->rr_fid2), create_flags,
- ma->ma_attr.la_mode, msg_flags);
+ "cr_flag=%#llo mode=0%06o msg_flag=0x%x\n",
+ PFID(rr->rr_fid1), PNAME(&rr->rr_name), PFID(rr->rr_fid2),
+ open_flags, ma->ma_attr.la_mode, msg_flags);
if (info->mti_cross_ref) {
/* This is cross-ref open */
(DISP_IT_EXECD | DISP_LOOKUP_EXECD |
DISP_LOOKUP_POS));
result = mdt_cross_open(info, rr->rr_fid2, rr->rr_fid1,
- ldlm_rep, create_flags);
+ ldlm_rep, open_flags);
GOTO(out, result);
- } else if (req_is_replay(req) ||
- (req->rq_export->exp_libclient && create_flags & MDS_OPEN_HAS_EA)) {
- /* This is a replay request or from liblustre with ea. */
+ } else if (req_is_replay(req)) {
result = mdt_open_by_fid(info, ldlm_rep);
- if (result != -ENOENT) {
- if (req->rq_export->exp_libclient &&
- create_flags & MDS_OPEN_HAS_EA)
- GOTO(out, result = 0);
+ if (result != -ENOENT)
GOTO(out, result);
- }
+
/* We didn't find the correct object, so we need to re-create it
* via a regular replay. */
- if (!(create_flags & MDS_OPEN_CREAT)) {
+ if (!(open_flags & MDS_OPEN_CREAT)) {
DEBUG_REQ(D_ERROR, req,
"OPEN & CREAT not in open replay/by_fid.");
GOTO(out, result = -EFAULT);
}
CDEBUG(D_INFO, "No object(1), continue as regular open.\n");
- } else if (create_flags & (MDS_OPEN_BY_FID | MDS_OPEN_LOCK)) {
- /*
- * MDS_OPEN_LOCK is checked for backward compatibility with 2.1
- * client.
- */
+ } else if (open_flags & MDS_OPEN_BY_FID) {
result = mdt_open_by_fid_lock(info, ldlm_rep, lhc);
if (result < 0)
CDEBUG(D_INFO, "no object for "DFID": %d\n",
GOTO(out, result);
}
- if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OPEN_PACK))
- GOTO(out, result = err_serious(-ENOMEM));
+ if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OPEN_PACK))
+ GOTO(out, result = err_serious(-ENOMEM));
- mdt_set_disposition(info, ldlm_rep,
- (DISP_IT_EXECD | DISP_LOOKUP_EXECD));
+ mdt_set_disposition(info, ldlm_rep,
+ (DISP_IT_EXECD | DISP_LOOKUP_EXECD));
if (!lu_name_is_valid(&rr->rr_name))
GOTO(out, result = -EPROTO);
+ result = mdt_lock_root_xattr(info, mdt);
+ if (result < 0)
+ GOTO(out, result);
+
again:
- lh = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(lh,
- (create_flags & MDS_OPEN_CREAT) ? LCK_PW : LCK_PR,
+ lh = &info->mti_lh[MDT_LH_PARENT];
+ mdt_lock_pdo_init(lh, (open_flags & MDS_OPEN_CREAT) ? LCK_PW : LCK_PR,
&rr->rr_name);
parent = mdt_object_find(info->mti_env, mdt, rr->rr_fid1);
GOTO(out, result);
}
- /* get and check version of parent */
- result = mdt_version_get_check(info, parent, 0);
- if (result)
- GOTO(out_parent, result);
+ /* get and check version of parent */
+ result = mdt_version_get_check(info, parent, 0);
+ if (result)
+ GOTO(out_parent, result);
- fid_zero(child_fid);
+ fid_zero(child_fid);
result = mdo_lookup(info->mti_env, mdt_object_child(parent),
&rr->rr_name, child_fid, &info->mti_spec);
PFID(mdt_object_fid(parent)), PNAME(&rr->rr_name),
PFID(child_fid));
- if (result != 0 && result != -ENOENT && result != -ESTALE)
- GOTO(out_parent, result);
+ if (result != 0 && result != -ENOENT && result != -ESTALE)
+ GOTO(out_parent, result);
if (result == -ENOENT || result == -ESTALE) {
/* If the object is dead, let's check if the object
GOTO(out_parent, result = -ENOENT);
}
- if (!(create_flags & MDS_OPEN_CREAT))
- GOTO(out_parent, result);
- if (exp_connect_flags(req->rq_export) & OBD_CONNECT_RDONLY)
+ if (!(open_flags & MDS_OPEN_CREAT))
+ GOTO(out_parent, result);
+ if (mdt_rdonly(req->rq_export))
GOTO(out_parent, result = -EROFS);
- *child_fid = *info->mti_rr.rr_fid2;
- LASSERTF(fid_is_sane(child_fid), "fid="DFID"\n",
- PFID(child_fid));
+ *child_fid = *info->mti_rr.rr_fid2;
+ LASSERTF(fid_is_sane(child_fid), "fid="DFID"\n",
+ PFID(child_fid));
/* In the function below, .hs_keycmp resolves to
* lu_obj_hop_keycmp() */
/* coverity[overrun-buffer-val] */
child = mdt_object_new(info->mti_env, mdt, child_fid);
} else {
/*
- * Check for O_EXCL is moved to the mdt_finish_open(), we need to
- * return FID back in that case.
+ * Check for O_EXCL is moved to the mdt_finish_open(),
+ * we need to return FID back in that case.
*/
mdt_set_disposition(info, ldlm_rep, DISP_LOOKUP_POS);
child = mdt_object_find(info->mti_env, mdt, child_fid);
}
- if (IS_ERR(child))
- GOTO(out_parent, result = PTR_ERR(child));
+ if (IS_ERR(child))
+ GOTO(out_parent, result = PTR_ERR(child));
- /** check version of child */
- rc = mdt_version_get_check(info, child, 1);
- if (rc)
- GOTO(out_child, result = rc);
+ /** check version of child */
+ rc = mdt_version_get_check(info, child, 1);
+ if (rc)
+ GOTO(out_child, result = rc);
- if (result == -ENOENT) {
+ if (result == -ENOENT) {
/* Create under OBF and .lustre is not permitted */
if (!fid_is_md_operative(rr->rr_fid1))
GOTO(out_child, result = -EPERM);
/* version of child will be changed */
tgt_vbr_obj_set(info->mti_env, mdt_obj2dt(child));
- /* Not found and with MDS_OPEN_CREAT: let's create it. */
- mdt_set_disposition(info, ldlm_rep, DISP_OPEN_CREATE);
+ /* Not found and with MDS_OPEN_CREAT: let's create it. */
+ mdt_set_disposition(info, ldlm_rep, DISP_OPEN_CREATE);
- /* Let lower layers know what is lock mode on directory. */
- info->mti_spec.sp_cr_mode =
- mdt_dlm_mode2mdl_mode(lh->mlh_pdo_mode);
+ /* Let lower layers know what is lock mode on directory. */
+ info->mti_spec.sp_cr_mode =
+ mdt_dlm_mode2mdl_mode(lh->mlh_pdo_mode);
- /*
- * Do not perform lookup sanity check. We know that name does
- * not exist.
- */
- info->mti_spec.sp_cr_lookup = 0;
- info->mti_spec.sp_feat = &dt_directory_features;
-
- result = mdo_create(info->mti_env,
- mdt_object_child(parent),
- &rr->rr_name,
- mdt_object_child(child),
- &info->mti_spec,
- &info->mti_attr);
- if (result == -ERESTART) {
- mdt_clear_disposition(info, ldlm_rep, DISP_OPEN_CREATE);
- GOTO(out_child, result);
- } else {
+ /* Don't do lookup sanity check. We know name doesn't exist. */
+ info->mti_spec.sp_cr_lookup = 0;
+ info->mti_spec.sp_feat = &dt_directory_features;
+
+ result = mdo_create(info->mti_env, mdt_object_child(parent),
+ &rr->rr_name, mdt_object_child(child),
+ &info->mti_spec, &info->mti_attr);
+ if (result == -ERESTART) {
+ mdt_clear_disposition(info, ldlm_rep, DISP_OPEN_CREATE);
+ GOTO(out_child, result);
+ } else {
mdt_prep_ma_buf_from_rep(info, child, ma);
/* XXX: we should call this once, see few lines below */
if (result == 0)
if (result != 0)
GOTO(out_child, result);
}
- created = 1;
+ created = 1;
+ mdt_counter_incr(req, LPROC_MDT_MKNOD);
} else {
/*
* The object is on remote node, return its FID for remote open.
PNAME(&rr->rr_name), PFID(child_fid));
GOTO(out_child, result = -EIO);
}
- }
+ }
+
+ mdt_pack_secctx_in_reply(info, child);
rc = mdt_check_resent_lock(info, child, lhc);
if (rc < 0) {
/* the open lock might already be gotten in
* ldlm_handle_enqueue() */
LASSERT(lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT);
- if (create_flags & MDS_OPEN_LOCK)
+ if (open_flags & MDS_OPEN_LOCK)
mdt_set_disposition(info, ldlm_rep, DISP_OPEN_LOCK);
} else {
/* get openlock if this isn't replay and client requested it */
object_locked = 1;
if (rc != 0)
GOTO(out_child_unlock, result = rc);
- else if (create_flags & MDS_OPEN_LOCK)
+ else if (open_flags & MDS_OPEN_LOCK)
mdt_set_disposition(info, ldlm_rep,
DISP_OPEN_LOCK);
}
}
/* Try to open it now. */
- rc = mdt_finish_open(info, parent, child, create_flags,
+ rc = mdt_finish_open(info, parent, child, open_flags,
created, ldlm_rep);
if (rc) {
result = rc;
- /* openlock will be released if mdt_finish_open failed */
+ /* openlock will be released if mdt_finish_open() failed */
mdt_clear_disposition(info, ldlm_rep, DISP_OPEN_LOCK);
- if (created && create_flags & MDS_OPEN_VOLATILE) {
+ if (created && (open_flags & MDS_OPEN_VOLATILE)) {
CERROR("%s: cannot open volatile file "DFID", orphan "
"file will be left in PENDING directory until "
"next reboot, rc = %d\n", mdt_obd_name(mdt),
mdt_object_open_unlock(info, child, lhc, ibits, result);
out_child:
mdt_object_put(info->mti_env, child);
+ if (result == 0)
+ mdt_pack_size2body(info, child_fid, &lhc->mlh_reg_lh);
out_parent:
mdt_object_unlock_put(info, parent, lh, result || !created);
out:
return obj;
}
+/* XXX Look into layout in MDT layer. */
+static inline int mdt_hsm_set_released(struct lov_mds_md *lmm)
+{
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_mds_md *v1;
+ __u32 off;
+ int i;
+
+ if (lmm->lmm_magic == cpu_to_le32(LOV_MAGIC_COMP_V1_DEFINED)) {
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+
+ if (comp_v1->lcm_entry_count == 0)
+ return -EINVAL;
+
+ for (i = 0; i < le16_to_cpu(comp_v1->lcm_entry_count); i++) {
+ off = le32_to_cpu(comp_v1->lcm_entries[i].lcme_offset);
+ v1 = (struct lov_mds_md *)((char *)comp_v1 + off);
+ v1->lmm_pattern |= cpu_to_le32(LOV_PATTERN_F_RELEASED);
+ }
+ } else {
+ lmm->lmm_pattern |= cpu_to_le32(LOV_PATTERN_F_RELEASED);
+ }
+ return 0;
+}
+
+static inline int mdt_get_lmm_gen(struct lov_mds_md *lmm, __u32 *gen)
+{
+ struct lov_comp_md_v1 *comp_v1;
+
+ if (le32_to_cpu(lmm->lmm_magic == LOV_MAGIC_COMP_V1)) {
+ comp_v1 = (struct lov_comp_md_v1 *)lmm;
+ *gen = le32_to_cpu(comp_v1->lcm_layout_gen);
+ } else if (le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V1 ||
+ le32_to_cpu(lmm->lmm_magic) == LOV_MAGIC_V3) {
+ *gen = le16_to_cpu(lmm->lmm_layout_gen);
+ } else {
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int mdt_hsm_release(struct mdt_thread_info *info, struct mdt_object *o,
struct md_attr *ma)
{
struct mdt_lock_handle *lh = &info->mti_lh[MDT_LH_LAYOUT];
+ struct lu_ucred *uc = mdt_ucred(info);
struct close_data *data;
struct ldlm_lock *lease;
struct mdt_object *orphan;
struct md_attr *orp_ma;
struct lu_buf *buf;
+ cfs_cap_t cap;
bool lease_broken;
int rc;
int rc2;
ENTRY;
- if (exp_connect_flags(info->mti_exp) & OBD_CONNECT_RDONLY)
+ if (mdt_rdonly(info->mti_exp))
RETURN(-EROFS);
data = req_capsule_client_get(info->mti_pill, &RMF_CLOSE_DATA);
if (rc != 0)
GOTO(out_unlock, rc);
- if (!mdt_hsm_release_allow(ma))
- GOTO(out_unlock, rc = -EPERM);
-
- /* already released? */
- if (ma->ma_hsm.mh_flags & HS_RELEASED)
- GOTO(out_unlock, rc = 0);
+ if (ma->ma_attr_flags & MDS_PCC_ATTACH) {
+ if (ma->ma_valid & MA_HSM) {
+ if (ma->ma_hsm.mh_flags & HS_RELEASED)
+ GOTO(out_unlock, rc = -EALREADY);
+
+ if (ma->ma_hsm.mh_arch_id != data->cd_archive_id)
+ CDEBUG(D_CACHE,
+ DFID" archive id diff: %llu:%u\n",
+ PFID(mdt_object_fid(o)),
+ ma->ma_hsm.mh_arch_id,
+ data->cd_archive_id);
+
+ if (!(ma->ma_hsm.mh_flags & HS_DIRTY) &&
+ ma->ma_hsm.mh_arch_ver == data->cd_data_version) {
+ CDEBUG(D_CACHE,
+ DFID" data version matches: packed=%llu "
+ "and on-disk=%llu\n",
+ PFID(mdt_object_fid(o)),
+ data->cd_data_version,
+ ma->ma_hsm.mh_arch_ver);
+ ma->ma_hsm.mh_flags = HS_ARCHIVED | HS_EXISTS;
+ }
- /* Compare on-disk and packed data_version */
- if (data->cd_data_version != ma->ma_hsm.mh_arch_ver) {
- CDEBUG(D_HSM, DFID" data_version mismatches: packed="LPU64
- " and on-disk="LPU64"\n", PFID(mdt_object_fid(o)),
- data->cd_data_version, ma->ma_hsm.mh_arch_ver);
- GOTO(out_unlock, rc = -EPERM);
+ if (ma->ma_hsm.mh_flags & HS_DIRTY)
+ ma->ma_hsm.mh_flags = HS_ARCHIVED | HS_EXISTS;
+ } else {
+ /* Set up HSM attribte for PCC archived object */
+ CLASSERT(sizeof(struct hsm_attrs) <=
+ sizeof(info->mti_xattr_buf));
+ buf = &info->mti_buf;
+ buf->lb_buf = info->mti_xattr_buf;
+ buf->lb_len = sizeof(struct hsm_attrs);
+ memset(&ma->ma_hsm, 0, sizeof(ma->ma_hsm));
+ ma->ma_hsm.mh_flags = HS_ARCHIVED | HS_EXISTS;
+ ma->ma_hsm.mh_arch_id = data->cd_archive_id;
+ ma->ma_hsm.mh_arch_ver = data->cd_data_version;
+ lustre_hsm2buf(buf->lb_buf, &ma->ma_hsm);
+
+ rc = mo_xattr_set(info->mti_env, mdt_object_child(o),
+ buf, XATTR_NAME_HSM, 0);
+ if (rc)
+ GOTO(out_unlock, rc);
+ }
+ } else {
+ if (!mdt_hsm_release_allow(ma))
+ GOTO(out_unlock, rc = -EPERM);
+
+ /* already released? */
+ if (ma->ma_hsm.mh_flags & HS_RELEASED)
+ GOTO(out_unlock, rc = 0);
+
+ /* Compare on-disk and packed data_version */
+ if (data->cd_data_version != ma->ma_hsm.mh_arch_ver) {
+ CDEBUG(D_HSM, DFID" data_version mismatches: "
+ "packed=%llu and on-disk=%llu\n",
+ PFID(mdt_object_fid(o)),
+ data->cd_data_version,
+ ma->ma_hsm.mh_arch_ver);
+ GOTO(out_unlock, rc = -EPERM);
+ }
}
ma->ma_valid = MA_INODE;
if (rc < 0)
GOTO(out_unlock, rc);
+ mutex_lock(&o->mot_som_mutex);
+ rc2 = mdt_set_som(info, o, SOM_FL_STRICT, ma->ma_attr.la_size,
+ ma->ma_attr.la_blocks);
+ mutex_unlock(&o->mot_som_mutex);
+ if (rc2 < 0)
+ CDEBUG(D_INODE,
+ "%s: File "DFID" SOM update failed: rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(mdt_object_fid(o)), rc2);
+
+
ma->ma_need = MA_INODE | MA_LOV;
rc = mdt_attr_get_complex(info, o, ma);
if (rc < 0)
if (!(ma->ma_valid & MA_LOV)) {
/* Even empty file are released */
memset(ma->ma_lmm, 0, sizeof(*ma->ma_lmm));
- ma->ma_lmm->lmm_magic = cpu_to_le32(LOV_MAGIC_V1_DEF);
+ ma->ma_lmm->lmm_magic = cpu_to_le32(LOV_MAGIC_V1_DEFINED);
ma->ma_lmm->lmm_pattern = cpu_to_le32(LOV_PATTERN_RAID0);
ma->ma_lmm->lmm_stripe_size = cpu_to_le32(LOV_MIN_STRIPE_SIZE);
ma->ma_lmm_size = sizeof(*ma->ma_lmm);
} else {
- /* Magic must be LOV_MAGIC_Vx_DEF otherwise LOD will interpret
+ /* Magic must be LOV_MAGIC_*_DEFINED or LOD will interpret
* ma_lmm as lov_user_md, then it will be confused by union of
* layout_gen and stripe_offset. */
- if (le32_to_cpu(ma->ma_lmm->lmm_magic) == LOV_MAGIC_V1)
- ma->ma_lmm->lmm_magic = cpu_to_le32(LOV_MAGIC_V1_DEF);
- else if (le32_to_cpu(ma->ma_lmm->lmm_magic) == LOV_MAGIC_V3)
- ma->ma_lmm->lmm_magic = cpu_to_le32(LOV_MAGIC_V3_DEF);
+ if ((le32_to_cpu(ma->ma_lmm->lmm_magic) & LOV_MAGIC_MASK) ==
+ LOV_MAGIC_MAGIC)
+ ma->ma_lmm->lmm_magic |= cpu_to_le32(LOV_MAGIC_DEFINED);
else
GOTO(out_unlock, rc = -EINVAL);
}
- /* Set file as released */
- ma->ma_lmm->lmm_pattern |= cpu_to_le32(LOV_PATTERN_F_RELEASED);
+ /* Set file as released. */
+ rc = mdt_hsm_set_released(ma->ma_lmm);
+ if (rc)
+ GOTO(out_unlock, rc);
orp_ma = &info->mti_u.hsm.attr;
orp_ma->ma_attr.la_mode = S_IFREG | S_IWUSR;
- orp_ma->ma_attr.la_uid = ma->ma_attr.la_uid;
- orp_ma->ma_attr.la_gid = ma->ma_attr.la_gid;
+ /* We use root ownership to bypass potential quota
+ * restrictions on the user and group of the file. */
+ orp_ma->ma_attr.la_uid = 0;
+ orp_ma->ma_attr.la_gid = 0;
orp_ma->ma_attr.la_valid = LA_MODE | LA_UID | LA_GID;
orp_ma->ma_lmm = ma->ma_lmm;
orp_ma->ma_lmm_size = ma->ma_lmm_size;
orp_ma->ma_valid = MA_INODE | MA_LOV;
orphan = mdt_orphan_open(info, info->mti_mdt, &data->cd_fid, orp_ma,
- FMODE_WRITE);
+ MDS_FMODE_WRITE);
if (IS_ERR(orphan)) {
CERROR("%s: cannot open orphan file "DFID": rc = %ld\n",
mdt_obd_name(info->mti_mdt), PFID(&data->cd_fid),
if (rc != 0)
GOTO(out_close, rc);
+ /* The orphan has root ownership so we need to raise
+ * CAP_FOWNER to set the HSM attributes. */
+ cap = uc->uc_cap;
+ uc->uc_cap |= MD_CAP_TO_MASK(CFS_CAP_FOWNER);
rc = mo_xattr_set(info->mti_env, mdt_object_child(orphan), buf,
XATTR_NAME_HSM, 0);
+ uc->uc_cap = cap;
+ if (rc != 0)
+ GOTO(out_layout_lock, rc);
- if (rc == 0)
- /* Swap layout with orphan object */
- rc = mo_swap_layouts(info->mti_env, mdt_object_child(o),
- mdt_object_child(orphan),
- SWAP_LAYOUTS_MDS_HSM);
+ /* Swap layout with orphan objects. */
+ rc = mo_swap_layouts(info->mti_env, mdt_object_child(o),
+ mdt_object_child(orphan),
+ SWAP_LAYOUTS_MDS_HSM);
- /* Release exclusive LL */
- mdt_object_unlock(info, o, lh, 1);
+ if (!rc && ma->ma_attr_flags & MDS_PCC_ATTACH) {
+ ma->ma_need = MA_LOV;
+ rc = mdt_attr_get_complex(info, o, ma);
+ }
EXIT;
+out_layout_lock:
+ /* Release exclusive LL */
+ mdt_object_unlock(info, o, lh, 1);
out_close:
/* Close orphan object anyway */
rc2 = mo_close(info->mti_env, mdt_object_child(orphan), orp_ma,
- FMODE_WRITE);
+ MDS_FMODE_WRITE);
if (rc2 < 0)
CERROR("%s: error closing volatile file "DFID": rc = %d\n",
mdt_obd_name(info->mti_mdt), PFID(&data->cd_fid), rc2);
repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
LASSERT(repbody != NULL);
repbody->mbo_valid |= OBD_MD_CLOSE_INTENT_EXECED;
+ if (ma->ma_attr_flags & MDS_PCC_ATTACH) {
+ LASSERT(ma->ma_valid & MA_LOV);
+ rc = mdt_get_lmm_gen(ma->ma_lmm,
+ &repbody->mbo_layout_gen);
+ if (!rc)
+ repbody->mbo_valid |= OBD_MD_LAYOUT_VERSION;
+ }
}
out_reprocess:
return rc;
}
-int mdt_close_swap_layouts(struct mdt_thread_info *info,
- struct mdt_object *o, struct md_attr *ma)
+int mdt_close_handle_layouts(struct mdt_thread_info *info,
+ struct mdt_object *o, struct md_attr *ma)
{
struct mdt_lock_handle *lh1 = &info->mti_lh[MDT_LH_NEW];
struct mdt_lock_handle *lh2 = &info->mti_lh[MDT_LH_OLD];
GOTO(out_unlock1, rc);
/* Swap layout with orphan object */
- rc = mo_swap_layouts(info->mti_env, mdt_object_child(o1),
- mdt_object_child(o2), 0);
+ if (ma->ma_attr_flags & MDS_CLOSE_LAYOUT_SWAP) {
+ rc = mo_swap_layouts(info->mti_env, mdt_object_child(o1),
+ mdt_object_child(o2), 0);
+ } else if (ma->ma_attr_flags & MDS_CLOSE_LAYOUT_MERGE ||
+ ma->ma_attr_flags & MDS_CLOSE_LAYOUT_SPLIT) {
+ struct lu_buf *buf = &info->mti_buf;
+ struct md_rejig_data mrd;
+
+ mrd.mrd_obj = mdt_object_child(o == o1 ? o2 : o1);
+ if (ma->ma_attr_flags & MDS_CLOSE_LAYOUT_SPLIT)
+ mrd.mrd_mirror_id = data->cd_mirror_id;
+
+ buf->lb_len = sizeof(mrd);
+ buf->lb_buf = &mrd;
+ rc = mo_xattr_set(info->mti_env, mdt_object_child(o), buf,
+ XATTR_LUSTRE_LOV,
+ ma->ma_attr_flags & MDS_CLOSE_LAYOUT_SPLIT ?
+ LU_XATTR_SPLIT : LU_XATTR_MERGE);
+ if (rc == 0 && ma->ma_attr.la_valid & (LA_SIZE | LA_BLOCKS)) {
+ int rc2;
+
+ mutex_lock(&o->mot_som_mutex);
+ rc2 = mdt_set_som(info, o, SOM_FL_STRICT,
+ ma->ma_attr.la_size,
+ ma->ma_attr.la_blocks);
+ mutex_unlock(&o->mot_som_mutex);
+ if (rc2 < 0)
+ CERROR(DFID": Setting i_blocks error: %d, "
+ "i_blocks will be reported wrongly and "
+ "can only be fixed in next resync\n",
+ PFID(mdt_object_fid(o)), rc2);
+ }
+ }
if (rc < 0)
GOTO(out_unlock2, rc);
return rc;
}
-#define MFD_CLOSED(mode) ((mode) == MDS_FMODE_CLOSED)
+static int mdt_close_resync_done(struct mdt_thread_info *info,
+ struct mdt_object *o, struct md_attr *ma)
+{
+ struct close_data *data;
+ struct ldlm_lock *lease;
+ struct md_layout_change layout = { 0 };
+ __u32 *resync_ids = NULL;
+ size_t resync_count = 0;
+ bool lease_broken;
+ int rc;
+ ENTRY;
+
+ if (exp_connect_flags(info->mti_exp) & OBD_CONNECT_RDONLY)
+ RETURN(-EROFS);
+
+ if (!S_ISREG(lu_object_attr(&o->mot_obj)))
+ RETURN(-EINVAL);
+
+ data = req_capsule_client_get(info->mti_pill, &RMF_CLOSE_DATA);
+ if (data == NULL)
+ RETURN(-EPROTO);
+
+ if (ptlrpc_req_need_swab(mdt_info_req(info)))
+ lustre_swab_close_data_resync_done(&data->cd_resync);
+
+ if (!fid_is_zero(&data->cd_fid))
+ RETURN(-EPROTO);
+
+ lease = ldlm_handle2lock(&data->cd_handle);
+ if (lease == NULL)
+ RETURN(-ESTALE);
+
+ /* try to hold open_sem so that nobody else can open the file */
+ if (!down_write_trylock(&o->mot_open_sem)) {
+ ldlm_lock_cancel(lease);
+ GOTO(out_reprocess, rc = -EBUSY);
+ }
+
+ /* Check if the lease open lease has already canceled */
+ lock_res_and_lock(lease);
+ lease_broken = ldlm_is_cancel(lease);
+ unlock_res_and_lock(lease);
+
+ LDLM_DEBUG(lease, DFID " lease broken? %d\n",
+ PFID(mdt_object_fid(o)), lease_broken);
+
+ /* Cancel server side lease. Client side counterpart should
+ * have been cancelled. It's okay to cancel it now as we've
+ * held mot_open_sem. */
+ ldlm_lock_cancel(lease);
+
+ if (lease_broken) /* don't perform release task */
+ GOTO(out_unlock, rc = -ESTALE);
+
+ resync_count = data->cd_resync.resync_count;
+
+ if (resync_count > INLINE_RESYNC_ARRAY_SIZE) {
+ void *data;
+
+ if (!req_capsule_has_field(info->mti_pill, &RMF_U32,
+ RCL_CLIENT))
+ GOTO(out_unlock, rc = -EPROTO);
+
+ OBD_ALLOC(resync_ids, resync_count * sizeof(__u32));
+ if (!resync_ids)
+ GOTO(out_unlock, rc = -ENOMEM);
+
+ data = req_capsule_client_get(info->mti_pill, &RMF_U32);
+ memcpy(resync_ids, data, resync_count * sizeof(__u32));
+
+ layout.mlc_resync_ids = resync_ids;
+ } else {
+ layout.mlc_resync_ids = data->cd_resync.resync_ids_inline;
+ }
+
+ layout.mlc_opc = MD_LAYOUT_RESYNC_DONE;
+ layout.mlc_resync_count = resync_count;
+ if (ma->ma_attr.la_valid & (LA_SIZE | LA_BLOCKS)) {
+ layout.mlc_som.lsa_valid = SOM_FL_STRICT;
+ layout.mlc_som.lsa_size = ma->ma_attr.la_size;
+ layout.mlc_som.lsa_blocks = ma->ma_attr.la_blocks;
+ }
+ rc = mdt_layout_change(info, o, &layout);
+ if (rc)
+ GOTO(out_unlock, rc);
+
+ EXIT;
+
+out_unlock:
+ up_write(&o->mot_open_sem);
+
+ /* already released */
+ if (rc == 0) {
+ struct mdt_body *repbody;
+
+ repbody = req_capsule_server_get(info->mti_pill, &RMF_MDT_BODY);
+ LASSERT(repbody != NULL);
+ repbody->mbo_valid |= OBD_MD_CLOSE_INTENT_EXECED;
+ }
+
+ if (resync_ids)
+ OBD_FREE(resync_ids, resync_count * sizeof(__u32));
+
+out_reprocess:
+ ldlm_reprocess_all(lease->l_resource);
+ LDLM_LOCK_PUT(lease);
+
+ ma->ma_valid = 0;
+ ma->ma_need = 0;
+
+ return rc;
+}
+
+#define MFD_CLOSED(open_flags) ((open_flags) == MDS_FMODE_CLOSED)
+
static int mdt_mfd_closed(struct mdt_file_data *mfd)
{
- return ((mfd == NULL) || MFD_CLOSED(mfd->mfd_mode));
+ return ((mfd == NULL) || MFD_CLOSED(mfd->mfd_open_flags));
}
int mdt_mfd_close(struct mdt_thread_info *info, struct mdt_file_data *mfd)
{
- struct mdt_object *o = mfd->mfd_object;
- struct md_object *next = mdt_object_child(o);
- struct md_attr *ma = &info->mti_attr;
- int rc = 0;
- __u64 mode;
- ENTRY;
+ struct mdt_object *o = mfd->mfd_object;
+ struct md_object *next = mdt_object_child(o);
+ struct md_attr *ma = &info->mti_attr;
+ struct lu_fid *ofid = &info->mti_tmp_fid1;
+ int rc = 0;
+ u64 open_flags;
+ u64 intent;
- mode = mfd->mfd_mode;
+ ENTRY;
+
+ open_flags = mfd->mfd_open_flags;
+ intent = ma->ma_attr_flags & MDS_CLOSE_INTENT;
+ *ofid = *mdt_object_fid(o);
- if (ma->ma_attr_flags & MDS_HSM_RELEASE) {
+ CDEBUG(D_INODE, "%s: close file "DFID" with intent: %llx\n",
+ mdt_obd_name(info->mti_mdt), PFID(ofid), intent);
+
+ switch (intent) {
+ case MDS_HSM_RELEASE: {
rc = mdt_hsm_release(info, o, ma);
if (rc < 0) {
CDEBUG(D_HSM, "%s: File " DFID " release failed: %d\n",
mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
+ PFID(ofid), rc);
/* continue to close even error occurred. */
}
+ break;
}
-
- if (ma->ma_attr_flags & MDS_CLOSE_LAYOUT_SWAP) {
- rc = mdt_close_swap_layouts(info, o, ma);
+ case MDS_CLOSE_LAYOUT_MERGE:
+ case MDS_CLOSE_LAYOUT_SPLIT:
+ case MDS_CLOSE_LAYOUT_SWAP: {
+ rc = mdt_close_handle_layouts(info, o, ma);
if (rc < 0) {
CDEBUG(D_INODE,
- "%s: cannot swap layout of "DFID": rc=%d\n",
+ "%s: cannot swap layout of "DFID": rc = %d\n",
mdt_obd_name(info->mti_mdt),
- PFID(mdt_object_fid(o)), rc);
+ PFID(ofid), rc);
/* continue to close even if error occurred. */
}
+ break;
+ }
+ case MDS_CLOSE_RESYNC_DONE:
+ rc = mdt_close_resync_done(info, o, ma);
+ break;
+ default:
+ /* nothing */
+ break;
+ }
+
+ if (S_ISREG(lu_object_attr(&o->mot_obj)) &&
+ ma->ma_attr.la_valid & (LA_LSIZE | LA_LBLOCKS)) {
+ int rc2;
+
+ rc2 = mdt_lsom_update(info, o, false);
+ if (rc2 < 0)
+ CDEBUG(D_INODE,
+ "%s: File " DFID " LSOM failed: rc = %d\n",
+ mdt_obd_name(info->mti_mdt),
+ PFID(ofid), rc2);
+ /* continue to close even if error occured. */
}
- if (mode & FMODE_WRITE)
+ if (open_flags & MDS_FMODE_WRITE)
mdt_write_put(o);
- else if (mode & MDS_FMODE_EXEC)
+ else if (open_flags & MDS_FMODE_EXEC)
mdt_write_allow(o);
/* Update atime on close only. */
- if ((mode & MDS_FMODE_EXEC || mode & FMODE_READ || mode & FMODE_WRITE)
- && (ma->ma_valid & MA_INODE) && (ma->ma_attr.la_valid & LA_ATIME)) {
+ if ((open_flags & MDS_FMODE_EXEC || open_flags & MDS_FMODE_READ ||
+ open_flags & MDS_FMODE_WRITE) && (ma->ma_valid & MA_INODE) &&
+ (ma->ma_attr.la_valid & LA_ATIME)) {
/* Set the atime only. */
ma->ma_valid = MA_INODE;
ma->ma_attr.la_valid = LA_ATIME;
ma->ma_need |= MA_INODE;
ma->ma_valid &= ~MA_INODE;
- if (!MFD_CLOSED(mode))
- rc = mo_close(info->mti_env, next, ma, mode);
+ LASSERT(atomic_read(&o->mot_open_count) > 0);
+ atomic_dec(&o->mot_open_count);
+ mdt_handle_last_unlink(info, o, ma);
+
+ if (!MFD_CLOSED(open_flags)) {
+ rc = mo_close(info->mti_env, next, ma, open_flags);
+ if (mdt_dom_check_for_discard(info, o))
+ mdt_dom_discard_data(info, o);
+ }
/* adjust open and lease count */
- if (mode & MDS_OPEN_LEASE) {
+ if (open_flags & MDS_OPEN_LEASE) {
LASSERT(atomic_read(&o->mot_lease_count) > 0);
atomic_dec(&o->mot_lease_count);
}
- LASSERT(atomic_read(&o->mot_open_count) > 0);
- atomic_dec(&o->mot_open_count);
mdt_mfd_free(mfd);
mdt_object_put(info->mti_env, o);
{
struct mdt_export_data *med;
struct mdt_file_data *mfd;
- struct mdt_object *o;
- struct md_attr *ma = &info->mti_attr;
int ret = 0;
int rc = 0;
ENTRY;
med = &req->rq_export->exp_mdt_data;
spin_lock(&med->med_open_lock);
- mfd = mdt_handle2mfd(med, &info->mti_close_handle, req_is_replay(req));
+ mfd = mdt_open_handle2mfd(med, &info->mti_open_handle,
+ req_is_replay(req));
if (mdt_mfd_closed(mfd)) {
spin_unlock(&med->med_open_lock);
CDEBUG(D_INODE, "no handle for file close: fid = "DFID
- ": cookie = "LPX64"\n", PFID(info->mti_rr.rr_fid1),
- info->mti_close_handle.cookie);
+ ": cookie = %#llx\n", PFID(info->mti_rr.rr_fid1),
+ info->mti_open_handle.cookie);
/** not serious error since bug 3633 */
rc = -ESTALE;
} else {
- class_handle_unhash(&mfd->mfd_handle);
+ class_handle_unhash(&mfd->mfd_open_handle);
list_del_init(&mfd->mfd_list);
spin_unlock(&med->med_open_lock);
-
- /* Do not lose object before last unlink. */
- o = mfd->mfd_object;
- mdt_object_get(info->mti_env, o);
ret = mdt_mfd_close(info, mfd);
- if (repbody != NULL)
- rc = mdt_handle_last_unlink(info, o, ma);
- mdt_object_put(info->mti_env, o);
}
RETURN(rc ? rc : ret);
ma->ma_need = MA_INODE | MA_LOV;
repbody->mbo_eadatasize = 0;
repbody->mbo_aclsize = 0;
- } else {
- rc = err_serious(rc);
- }
+ } else {
+ rc = err_serious(rc);
+ }
rc = mdt_close_internal(info, req, repbody);
if (rc != -ESTALE)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff