OBD_ALLOC_PTR(mfd);
if (mfd != NULL) {
- INIT_LIST_HEAD(&mfd->mfd_open_handle.h_link);
+ 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_open_handle, &mfd_open_handle_ops);
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_DENTRY, DFID " Change mfd mode %#llo -> %#llo.\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 = %#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 & MDS_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 */
mdt_empty_transno(info, rc);
- RETURN(rc);
+ RETURN(rc);
err_out:
- if (flags & MDS_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;
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);
}
#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 | MDS_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) {
}
}
- 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;
}
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 */
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) {
+ if (!(*ibits & MDS_INODELOCK_LOOKUP))
+ trybits |= MDS_INODELOCK_LOOKUP;
trybits |= MDS_INODELOCK_LAYOUT;
}
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)) {
- 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);
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);
}
/*
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 & MDS_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=%#llo 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);
+ 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)) {
result = mdt_open_by_fid(info, ldlm_rep);
/* 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",
again:
lh = &info->mti_lh[MDT_LH_PARENT];
- mdt_lock_pdo_init(lh,
- (create_flags & MDS_OPEN_CREAT) ? LCK_PW : LCK_PR,
+ 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 (!(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);
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),
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)
{
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=%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);
+ 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;
rc = mo_swap_layouts(info->mti_env, mdt_object_child(o),
mdt_object_child(orphan),
SWAP_LAYOUTS_MDS_HSM);
+
+ 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:
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;
}
-#define MFD_CLOSED(mode) ((mode) == MDS_FMODE_CLOSED)
+#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 md_attr *ma = &info->mti_attr;
struct lu_fid *ofid = &info->mti_tmp_fid1;
int rc = 0;
- __u64 mode;
- __u64 intent;
- bool discard = false;
+ u64 open_flags;
+ u64 intent;
ENTRY;
- mode = mfd->mfd_mode;
+ open_flags = mfd->mfd_open_flags;
intent = ma->ma_attr_flags & MDS_CLOSE_INTENT;
*ofid = *mdt_object_fid(o);
/* continue to close even if error occured. */
}
- if (mode & MDS_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 & MDS_FMODE_READ ||
- mode & MDS_FMODE_WRITE) && (ma->ma_valid & MA_INODE) &&
+ 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;
atomic_dec(&o->mot_open_count);
mdt_handle_last_unlink(info, o, ma);
- if (!MFD_CLOSED(mode)) {
- rc = mo_close(info->mti_env, next, ma, mode);
- discard = mdt_dom_check_for_discard(info, o);
+ 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);
}
mdt_mfd_free(mfd);
mdt_object_put(info->mti_env, o);
- if (discard)
- mdt_dom_discard_data(info, ofid);
-
RETURN(rc);
}