*
* 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, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
static const char dotdot[] = "..";
static struct lu_name lname_dotdot = {
- (char *) dotdot,
- sizeof(dotdot) - 1
+ .ln_name = (char *) dotdot,
+ .ln_namelen = sizeof(dotdot) - 1,
};
+static inline int
+mdd_name_check(struct mdd_device *m, const struct lu_name *ln)
+{
+ if (!lu_name_is_valid(ln))
+ return -EINVAL;
+ else if (ln->ln_namelen > m->mdd_dt_conf.ddp_max_name_len)
+ return -ENAMETOOLONG;
+ else
+ return 0;
+}
+
/* Get FID from name and parent */
static int
__mdd_lookup(const struct lu_env *env, struct md_object *pobj,
if (unlikely(mdd_is_dead_obj(mdd_obj)))
RETURN(-ESTALE);
+ if (!mdd_object_exists(mdd_obj))
+ RETURN(-ESTALE);
+
if (mdd_object_remote(mdd_obj)) {
CDEBUG(D_INFO, "%s: Object "DFID" locates on remote server\n",
mdd2obd_dev(m)->obd_name, PFID(mdo2fid(mdd_obj)));
- } else if (!mdd_object_exists(mdd_obj)) {
- RETURN(-ESTALE);
}
- /* The common filename length check. */
- if (unlikely(lname->ln_namelen > m->mdd_dt_conf.ddp_max_name_len))
- RETURN(-ENAMETOOLONG);
-
rc = mdd_permission_internal_locked(env, mdd_obj, pattr, mask,
MOR_TGT_PARENT);
if (rc)
RETURN(rc);
if (likely(S_ISDIR(mdd_object_type(mdd_obj)) &&
- dt_try_as_dir(env, dir))) {
-
- rc = dir->do_index_ops->dio_lookup(env, dir,
- (struct dt_rec *)fid, key,
- mdd_object_capa(env, mdd_obj));
- if (rc > 0)
- rc = 0;
- else if (rc == 0)
- rc = -ENOENT;
- } else
+ dt_try_as_dir(env, dir)))
+ rc = dt_lookup(env, dir, (struct dt_rec *)fid, key);
+ else
rc = -ENOTDIR;
RETURN(rc);
int rc;
ENTRY;
- rc = mdd_la_get(env, md2mdd_obj(pobj), pattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, md2mdd_obj(pobj), pattr);
if (rc != 0)
RETURN(rc);
- rc = __mdd_lookup(env, pobj, pattr, lname, fid, MAY_EXEC);
+ rc = __mdd_lookup(env, pobj, pattr, lname, fid,
+ (spec != NULL && spec->sp_permitted) ? 0 : MAY_EXEC);
RETURN(rc);
}
+/** Read the link EA into a temp buffer.
+ * Uses the mdd_thread_info::mti_big_buf since it is generally large.
+ * A pointer to the buffer is stored in \a ldata::ld_buf.
+ *
+ * \retval 0 or error
+ */
+static int __mdd_links_read(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct linkea_data *ldata)
+{
+ int rc;
+
+ if (!mdd_object_exists(mdd_obj))
+ return -ENODATA;
+
+ /* First try a small buf */
+ LASSERT(env != NULL);
+ ldata->ld_buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_link_buf,
+ PAGE_SIZE);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf, XATTR_NAME_LINK);
+ if (rc == -ERANGE) {
+ /* Buf was too small, figure out what we need. */
+ lu_buf_free(ldata->ld_buf);
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
+ XATTR_NAME_LINK);
+ if (rc < 0)
+ return rc;
+ ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
+ if (ldata->ld_buf->lb_buf == NULL)
+ return -ENOMEM;
+ rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
+ XATTR_NAME_LINK);
+ }
+ if (rc < 0) {
+ lu_buf_free(ldata->ld_buf);
+ ldata->ld_buf = NULL;
+ return rc;
+ }
+
+ return linkea_init(ldata);
+}
+
+static int mdd_links_read(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct linkea_data *ldata)
+{
+ int rc;
+
+ rc = __mdd_links_read(env, mdd_obj, ldata);
+ if (!rc)
+ rc = linkea_init(ldata);
+
+ return rc;
+}
+
+static int mdd_links_read_with_rec(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct linkea_data *ldata)
+{
+ int rc;
+
+ rc = __mdd_links_read(env, mdd_obj, ldata);
+ if (!rc)
+ rc = linkea_init_with_rec(ldata);
+
+ return rc;
+}
+
+/**
+ * Get parent FID of the directory
+ *
+ * Read parent FID from linkEA, if that fails, then do lookup
+ * dotdot to get the parent FID.
+ *
+ * \param[in] env execution environment
+ * \param[in] obj object from which to find the parent FID
+ * \param[in] attr attribute of the object
+ * \param[out] fid fid to get the parent FID
+ *
+ * \retval 0 if getting the parent FID succeeds.
+ * \retval negative errno if getting the parent FID fails.
+ **/
static inline int mdd_parent_fid(const struct lu_env *env,
struct mdd_object *obj,
const struct lu_attr *attr,
struct lu_fid *fid)
{
- return __mdd_lookup(env, &obj->mod_obj, attr, &lname_dotdot, fid, 0);
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct linkea_data ldata = { NULL };
+ struct lu_buf *buf = &info->mti_link_buf;
+ struct lu_name lname;
+ int rc = 0;
+
+ ENTRY;
+
+ LASSERT(S_ISDIR(mdd_object_type(obj)));
+
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (buf->lb_buf == NULL)
+ GOTO(lookup, rc = 0);
+
+ ldata.ld_buf = buf;
+ rc = mdd_links_read_with_rec(env, obj, &ldata);
+ if (rc != 0)
+ GOTO(lookup, rc);
+
+ LASSERT(ldata.ld_leh != NULL);
+ /* Directory should only have 1 parent */
+ if (ldata.ld_leh->leh_reccount > 1)
+ GOTO(lookup, rc);
+
+ ldata.ld_lee = (struct link_ea_entry *)(ldata.ld_leh + 1);
+
+ linkea_entry_unpack(ldata.ld_lee, &ldata.ld_reclen, &lname, fid);
+ if (likely(fid_is_sane(fid)))
+ RETURN(0);
+lookup:
+ rc = __mdd_lookup(env, &obj->mod_obj, attr, &lname_dotdot, fid, 0);
+ RETURN(rc);
}
/*
RETURN(0);
for(;;) {
- /* this is done recursively, bypass capa for each obj */
- mdd_set_capainfo(env, 4, p1, BYPASS_CAPA);
+ /* this is done recursively */
rc = mdd_parent_fid(env, p1, attr, pfid);
if (rc)
GOTO(out, rc);
GOTO(out, rc = 0);
if (lu_fid_eq(pfid, lf))
GOTO(out, rc = 1);
- if (parent)
- mdd_object_put(env, parent);
+ if (parent != NULL)
+ mdd_object_put(env, parent);
parent = mdd_object_find(env, mdd, pfid);
- if (IS_ERR(parent)) {
+ if (IS_ERR(parent))
GOTO(out, rc = PTR_ERR(parent));
- } else if (mdd_object_remote(parent)) {
- /*FIXME: Because of the restriction of rename in Phase I.
- * If the parent is remote, we just assumed lf is not the
- * parent of P1 for now */
- GOTO(out, rc = 0);
- }
+
+ if (!mdd_object_exists(parent))
+ GOTO(out, rc = -EINVAL);
+
p1 = parent;
}
EXIT;
* No permission check is needed.
*
* returns 1: if fid is ancestor of @mo;
- * returns 0: if fid is not a ancestor of @mo;
+ * returns 0: if fid is not an ancestor of @mo;
*
* returns EREMOTE if remote object is found, fid of remote object is saved to
* @fid;
if (!S_ISDIR(mdd_object_type(md2mdd_obj(mo))))
RETURN(0);
- rc = mdd_la_get(env, md2mdd_obj(mo), attr, BYPASS_CAPA);
+ rc = mdd_la_get(env, md2mdd_obj(mo), attr);
if (rc != 0)
RETURN(rc);
static int mdd_dir_is_empty(const struct lu_env *env,
struct mdd_object *dir)
{
- struct dt_it *it;
- struct dt_object *obj;
- const struct dt_it_ops *iops;
- int result;
- ENTRY;
+ struct dt_it *it;
+ struct dt_object *obj;
+ const struct dt_it_ops *iops;
+ int result;
+ ENTRY;
- obj = mdd_object_child(dir);
- if (!dt_try_as_dir(env, obj))
- RETURN(-ENOTDIR);
-
- iops = &obj->do_index_ops->dio_it;
- it = iops->init(env, obj, LUDA_64BITHASH, BYPASS_CAPA);
- if (!IS_ERR(it)) {
- result = iops->get(env, it, (const void *)"");
- if (result > 0) {
- int i;
- for (result = 0, i = 0; result == 0 && i < 3; ++i)
- result = iops->next(env, it);
- if (result == 0)
- result = -ENOTEMPTY;
- else if (result == +1)
- result = 0;
- } else if (result == 0)
- /*
- * Huh? Index contains no zero key?
- */
- result = -EIO;
-
- iops->put(env, it);
- iops->fini(env, it);
- } else
- result = PTR_ERR(it);
- RETURN(result);
+ obj = mdd_object_child(dir);
+ if (!dt_try_as_dir(env, obj))
+ RETURN(-ENOTDIR);
+
+ iops = &obj->do_index_ops->dio_it;
+ it = iops->init(env, obj, LUDA_64BITHASH);
+ if (!IS_ERR(it)) {
+ result = iops->get(env, it, (const struct dt_key *)"");
+ if (result > 0) {
+ int i;
+ for (result = 0, i = 0; result == 0 && i < 3; ++i)
+ result = iops->next(env, it);
+ if (result == 0)
+ result = -ENOTEMPTY;
+ else if (result == 1)
+ result = 0;
+ } else if (result == 0)
+ /*
+ * Huh? Index contains no zero key?
+ */
+ result = -EIO;
+
+ iops->put(env, it);
+ iops->fini(env, it);
+ } else
+ result = PTR_ERR(it);
+ RETURN(result);
}
+/**
+ * Determine if the target object can be hard linked, and right now it only
+ * checks if the link count reach the maximum limit. Note: for ldiskfs, the
+ * directory nlink count might exceed the maximum link count(see
+ * osd_object_ref_add), so it only check nlink for non-directories.
+ *
+ * \param[in] env thread environment
+ * \param[in] obj object being linked to
+ * \param[in] la attributes of \a obj
+ *
+ * \retval 0 if \a obj can be hard linked
+ * \retval negative error if \a obj is a directory or has too
+ * many links
+ */
static int __mdd_may_link(const struct lu_env *env, struct mdd_object *obj,
const struct lu_attr *la)
{
LASSERT(la != NULL);
- if (!S_ISDIR(la->la_mode))
- RETURN(0);
-
- /*
- * Subdir count limitation can be broken through.
- */
- if (la->la_nlink >= m->mdd_dt_conf.ddp_max_nlink)
+ /* Subdir count limitation can be broken through
+ * (see osd_object_ref_add), so only check non-directory here. */
+ if (!S_ISDIR(la->la_mode) &&
+ la->la_nlink >= m->mdd_dt_conf.ddp_max_nlink)
RETURN(-EMLINK);
- else
- RETURN(0);
+
+ RETURN(0);
}
-/*
+/**
* Check whether it may create the cobj under the pobj.
- * cobj maybe NULL
+ *
+ * \param[in] env execution environment
+ * \param[in] pobj the parent directory
+ * \param[in] pattr the attribute of the parent directory
+ * \param[in] cobj the child to be created
+ * \param[in] check_perm if check WRITE|EXEC permission for parent
+ *
+ * \retval = 0 create the child under this dir is allowed
+ * \retval negative errno create the child under this dir is
+ * not allowed
*/
-int mdd_may_create(const struct lu_env *env,
- struct mdd_object *pobj, const struct lu_attr *pattr,
- struct mdd_object *cobj, int check_perm, int check_nlink)
+int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
+ const struct lu_attr *pattr, struct mdd_object *cobj,
+ bool check_perm)
{
int rc = 0;
ENTRY;
rc = mdd_permission_internal_locked(env, pobj, pattr,
MAY_WRITE | MAY_EXEC,
MOR_TGT_PARENT);
- if (!rc && check_nlink)
- rc = __mdd_may_link(env, pobj, pattr);
-
RETURN(rc);
}
if (mdd_is_dead_obj(pobj))
RETURN(-ENOENT);
- if ((attr->la_valid & LA_FLAGS) &&
- (attr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
+ if (attr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL))
RETURN(-EPERM);
rc = mdd_permission_internal_locked(env, pobj, pattr,
MAY_WRITE | MAY_EXEC,
MOR_TGT_PARENT);
- if (rc)
+ if (rc != 0)
RETURN(rc);
- if (mdd_is_append(pobj))
+ if (pattr->la_flags & LUSTRE_APPEND_FL)
RETURN(-EPERM);
RETURN(rc);
RETURN(rc);
}
- if (mdd_is_append(pobj))
+ if (pattr->la_flags & LUSTRE_APPEND_FL)
RETURN(-EPERM);
RETURN(0);
if (mdd_is_sticky(env, tpobj, tpattr, tobj, tattr))
RETURN(-EPERM);
- if (mdd_is_immutable(tobj) || mdd_is_append(tobj))
- RETURN(-EPERM);
-
- if ((tattr->la_valid & LA_FLAGS) &&
- (tattr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL)))
+ if (tattr->la_flags & (LUSTRE_APPEND_FL | LUSTRE_IMMUTABLE_FL))
RETURN(-EPERM);
/* additional check the rename case */
RETURN(rc);
}
-/*
- * tgt maybe NULL
- * has mdd_write_lock on src already, but not on tgt yet
+/**
+ * Check whether it can create the link file(linked to @src_obj) under
+ * the target directory(@tgt_obj), and src_obj has been locked by
+ * mdd_write_lock.
+ *
+ * \param[in] env execution environment
+ * \param[in] tgt_obj the target directory
+ * \param[in] tattr attributes of target directory
+ * \param[in] lname the link name
+ * \param[in] src_obj source object for link
+ * \param[in] cattr attributes for source object
+ *
+ * \retval = 0 it is allowed to create the link file under tgt_obj
+ * \retval negative error not allowed to create the link file
*/
static int mdd_link_sanity_check(const struct lu_env *env,
struct mdd_object *tgt_obj,
RETURN(-ESTALE);
/* Local ops, no lookup before link, check filename length here. */
- if (lname && (lname->ln_namelen > m->mdd_dt_conf.ddp_max_name_len))
- RETURN(-ENAMETOOLONG);
+ rc = mdd_name_check(m, lname);
+ if (rc < 0)
+ RETURN(rc);
- if (mdd_is_immutable(src_obj) || mdd_is_append(src_obj))
- RETURN(-EPERM);
+ if (cattr->la_flags & (LUSTRE_IMMUTABLE_FL | LUSTRE_APPEND_FL))
+ RETURN(-EPERM);
- if (S_ISDIR(mdd_object_type(src_obj)))
- RETURN(-EPERM);
+ if (S_ISDIR(mdd_object_type(src_obj)))
+ RETURN(-EPERM);
LASSERT(src_obj != tgt_obj);
- if (tgt_obj) {
- rc = mdd_may_create(env, tgt_obj, tattr, NULL, 1, 0);
- if (rc)
- RETURN(rc);
- }
+ rc = mdd_may_create(env, tgt_obj, tattr, NULL, true);
+ if (rc != 0)
+ RETURN(rc);
rc = __mdd_may_link(env, src_obj, cattr);
}
static int __mdd_index_delete_only(const struct lu_env *env, struct mdd_object *pobj,
- const char *name, struct thandle *handle,
- struct lustre_capa *capa)
+ const char *name, struct thandle *handle)
{
- struct dt_object *next = mdd_object_child(pobj);
- int rc;
- ENTRY;
+ struct dt_object *next = mdd_object_child(pobj);
+ int rc;
+ ENTRY;
- if (dt_try_as_dir(env, next)) {
- rc = next->do_index_ops->dio_delete(env, next,
- (struct dt_key *)name,
- handle, capa);
- } else
- rc = -ENOTDIR;
+ if (dt_try_as_dir(env, next))
+ rc = dt_delete(env, next, (struct dt_key *)name, handle);
+ else
+ rc = -ENOTDIR;
- RETURN(rc);
+ RETURN(rc);
}
static int __mdd_index_insert_only(const struct lu_env *env,
struct mdd_object *pobj,
- const struct lu_fid *lf, const char *name,
- struct thandle *handle,
- struct lustre_capa *capa)
+ const struct lu_fid *lf, __u32 type,
+ const char *name,
+ struct thandle *handle)
{
struct dt_object *next = mdd_object_child(pobj);
int rc;
ENTRY;
if (dt_try_as_dir(env, next)) {
- struct lu_ucred *uc = lu_ucred_check(env);
- int ignore_quota;
+ struct dt_insert_rec *rec = &mdd_env_info(env)->mti_dt_rec;
+ struct lu_ucred *uc = lu_ucred_check(env);
+ int ignore_quota;
+ rec->rec_fid = lf;
+ rec->rec_type = type;
ignore_quota = uc ? uc->uc_cap & CFS_CAP_SYS_RESOURCE_MASK : 1;
- rc = next->do_index_ops->dio_insert(env, next,
- (struct dt_rec*)lf,
- (const struct dt_key *)name,
- handle, capa, ignore_quota);
+ rc = dt_insert(env, next, (const struct dt_rec *)rec,
+ (const struct dt_key *)name, handle,
+ ignore_quota);
} else {
rc = -ENOTDIR;
}
/* insert named index, add reference if isdir */
static int __mdd_index_insert(const struct lu_env *env, struct mdd_object *pobj,
- const struct lu_fid *lf, const char *name, int is_dir,
- struct thandle *handle, struct lustre_capa *capa)
+ const struct lu_fid *lf, __u32 type,
+ const char *name, struct thandle *handle)
{
- int rc;
- ENTRY;
+ int rc;
+ ENTRY;
- rc = __mdd_index_insert_only(env, pobj, lf, name, handle, capa);
- if (rc == 0 && is_dir) {
- mdd_write_lock(env, pobj, MOR_TGT_PARENT);
- mdo_ref_add(env, pobj, handle);
- mdd_write_unlock(env, pobj);
- }
- RETURN(rc);
+ rc = __mdd_index_insert_only(env, pobj, lf, type, name, handle);
+ if (rc == 0 && S_ISDIR(type)) {
+ mdd_write_lock(env, pobj, MOR_TGT_PARENT);
+ mdo_ref_add(env, pobj, handle);
+ mdd_write_unlock(env, pobj);
+ }
+
+ RETURN(rc);
}
/* delete named index, drop reference if isdir */
static int __mdd_index_delete(const struct lu_env *env, struct mdd_object *pobj,
- const char *name, int is_dir, struct thandle *handle,
- struct lustre_capa *capa)
+ const char *name, int is_dir,
+ struct thandle *handle)
{
int rc;
ENTRY;
- rc = __mdd_index_delete_only(env, pobj, name, handle, capa);
+ rc = __mdd_index_delete_only(env, pobj, name, handle);
if (rc == 0 && is_dir) {
mdd_write_lock(env, pobj, MOR_TGT_PARENT);
mdo_ref_del(env, pobj, handle);
RETURN(rc);
}
-int mdd_declare_changelog_store(const struct lu_env *env,
- struct mdd_device *mdd,
- const struct lu_name *fname,
- struct thandle *handle)
+static int mdd_llog_record_calc_size(const struct lu_env *env,
+ const struct lu_name *tname,
+ const struct lu_name *sname)
{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct llog_ctxt *ctxt;
- struct llog_changelog_rec *rec;
- struct lu_buf *buf;
- int reclen;
- int rc;
-
- /* Not recording */
- if (!(mdd->mdd_cl.mc_flags & CLM_ON))
- return 0;
+ const struct lu_ucred *uc = lu_ucred(env);
+ enum changelog_rec_flags crf = 0;
+ size_t hdr_size = sizeof(struct llog_changelog_rec) -
+ sizeof(struct changelog_rec);
- reclen = llog_data_len(sizeof(*rec) +
- (fname != NULL ? fname->ln_namelen : 0));
- buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
- if (buf->lb_buf == NULL)
- return -ENOMEM;
+ if (sname != NULL)
+ crf |= CLF_RENAME;
- rec = buf->lb_buf;
- rec->cr_hdr.lrh_len = reclen;
- rec->cr_hdr.lrh_type = CHANGELOG_REC;
+ if (uc != NULL && uc->uc_jobid[0] != '\0')
+ crf |= CLF_JOBID;
- ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
- if (ctxt == NULL)
- return -ENXIO;
-
- rc = llog_declare_add(env, ctxt->loc_handle, &rec->cr_hdr, handle);
- llog_ctxt_put(ctxt);
-
- return rc;
+ return llog_data_len(hdr_size + changelog_rec_offset(crf) +
+ (tname != NULL ? tname->ln_namelen : 0) +
+ (sname != NULL ? 1 + sname->ln_namelen : 0));
}
-static int mdd_declare_changelog_ext_store(const struct lu_env *env,
- struct mdd_device *mdd,
- const struct lu_name *tname,
- const struct lu_name *sname,
- struct thandle *handle)
+int mdd_declare_changelog_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ const struct lu_name *tname,
+ const struct lu_name *sname,
+ struct thandle *handle)
{
struct obd_device *obd = mdd2obd_dev(mdd);
struct llog_ctxt *ctxt;
- struct llog_changelog_ext_rec *rec;
+ struct llog_changelog_rec *rec;
struct lu_buf *buf;
+ struct thandle *llog_th;
int reclen;
int rc;
if (!(mdd->mdd_cl.mc_flags & CLM_ON))
return 0;
- reclen = llog_data_len(sizeof(*rec) +
- (tname != NULL ? tname->ln_namelen : 0) +
- (sname != NULL ? 1 + sname->ln_namelen : 0));
+ reclen = mdd_llog_record_calc_size(env, tname, sname);
buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
if (buf->lb_buf == NULL)
return -ENOMEM;
if (ctxt == NULL)
return -ENXIO;
- rc = llog_declare_add(env, ctxt->loc_handle, &rec->cr_hdr, handle);
+ llog_th = thandle_get_sub(env, handle, ctxt->loc_handle->lgh_obj);
+ if (IS_ERR(llog_th))
+ GOTO(out_put, rc = PTR_ERR(llog_th));
+
+ rc = llog_declare_add(env, ctxt->loc_handle, &rec->cr_hdr, llog_th);
+
+out_put:
llog_ctxt_put(ctxt);
return rc;
* \param mdd
* \param rec
* \param handle - currently ignored since llogs start their own transaction;
- * this will hopefully be fixed in llog rewrite
+ * this will hopefully be fixed in llog rewrite
* \retval 0 ok
*/
int mdd_changelog_store(const struct lu_env *env, struct mdd_device *mdd,
{
struct obd_device *obd = mdd2obd_dev(mdd);
struct llog_ctxt *ctxt;
+ struct thandle *llog_th;
int rc;
- rec->cr_hdr.lrh_len = llog_data_len(sizeof(*rec) + rec->cr.cr_namelen);
- rec->cr_hdr.lrh_type = CHANGELOG_REC;
- rec->cr.cr_time = cl_time();
-
- spin_lock(&mdd->mdd_cl.mc_lock);
- /* NB: I suppose it's possible llog_add adds out of order wrt cr_index,
- * but as long as the MDD transactions are ordered correctly for e.g.
- * rename conflicts, I don't think this should matter. */
- rec->cr.cr_index = ++mdd->mdd_cl.mc_index;
- spin_unlock(&mdd->mdd_cl.mc_lock);
-
- ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
- if (ctxt == NULL)
- return -ENXIO;
-
- rc = llog_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL, NULL, th);
- llog_ctxt_put(ctxt);
- if (rc > 0)
- rc = 0;
- return rc;
-}
-
-/** Add a changelog_ext entry \a rec to the changelog llog
- * \param mdd
- * \param rec
- * \param handle - currently ignored since llogs start their own transaction;
- * this will hopefully be fixed in llog rewrite
- * \retval 0 ok
- */
-int mdd_changelog_ext_store(const struct lu_env *env, struct mdd_device *mdd,
- struct llog_changelog_ext_rec *rec,
- struct thandle *th)
-{
- struct obd_device *obd = mdd2obd_dev(mdd);
- struct llog_ctxt *ctxt;
- int rc;
+ rec->cr_hdr.lrh_len = llog_data_len(sizeof(*rec) +
+ changelog_rec_varsize(&rec->cr));
- rec->cr_hdr.lrh_len = llog_data_len(sizeof(*rec) + rec->cr.cr_namelen);
/* llog_lvfs_write_rec sets the llog tail len */
rec->cr_hdr.lrh_type = CHANGELOG_REC;
rec->cr.cr_time = cl_time();
if (ctxt == NULL)
return -ENXIO;
+ llog_th = thandle_get_sub(env, th, ctxt->loc_handle->lgh_obj);
+ if (IS_ERR(llog_th))
+ GOTO(out_put, rc = PTR_ERR(llog_th));
+
/* nested journal transaction */
- rc = llog_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL, NULL, th);
+ rc = llog_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL, llog_th);
+
+out_put:
llog_ctxt_put(ctxt);
if (rc > 0)
rc = 0;
-
return rc;
}
-/** Store a namespace change changelog record
- * If this fails, we must fail the whole transaction; we don't
- * want the change to commit without the log entry.
- * \param target - mdd_object of change
- * \param parent - parent dir/object
- * \param tname - target name string
- * \param handle - transacion handle
- */
-int mdd_changelog_ns_store(const struct lu_env *env, struct mdd_device *mdd,
- enum changelog_rec_type type, unsigned flags,
- struct mdd_object *target, struct mdd_object *parent,
- const struct lu_name *tname, struct thandle *handle)
-{
- struct llog_changelog_rec *rec;
- struct lu_buf *buf;
- int reclen;
- int rc;
- ENTRY;
+static void mdd_changelog_rec_ext_rename(struct changelog_rec *rec,
+ const struct lu_fid *sfid,
+ const struct lu_fid *spfid,
+ const struct lu_name *sname)
+{
+ struct changelog_ext_rename *rnm = changelog_rec_rename(rec);
+ size_t extsize = sname->ln_namelen + 1;
- /* Not recording */
- if (!(mdd->mdd_cl.mc_flags & CLM_ON))
- RETURN(0);
- if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
- RETURN(0);
+ LASSERT(sfid != NULL);
+ LASSERT(spfid != NULL);
+ LASSERT(sname != NULL);
- LASSERT(target != NULL);
- LASSERT(parent != NULL);
- LASSERT(tname != NULL);
- LASSERT(handle != NULL);
+ rnm->cr_sfid = *sfid;
+ rnm->cr_spfid = *spfid;
- reclen = llog_data_len(sizeof(*rec) + tname->ln_namelen);
- buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
- if (buf->lb_buf == NULL)
- RETURN(-ENOMEM);
- rec = buf->lb_buf;
+ changelog_rec_name(rec)[rec->cr_namelen] = '\0';
+ strlcpy(changelog_rec_sname(rec), sname->ln_name, extsize);
+ rec->cr_namelen += extsize;
+}
- rec->cr.cr_flags = CLF_VERSION | (CLF_FLAGMASK & flags);
- rec->cr.cr_type = (__u32)type;
- rec->cr.cr_tfid = *mdo2fid(target);
- rec->cr.cr_pfid = *mdo2fid(parent);
- rec->cr.cr_namelen = tname->ln_namelen;
- memcpy(rec->cr.cr_name, tname->ln_name, tname->ln_namelen);
+void mdd_changelog_rec_ext_jobid(struct changelog_rec *rec, const char *jobid)
+{
+ struct changelog_ext_jobid *jid = changelog_rec_jobid(rec);
- target->mod_cltime = cfs_time_current_64();
+ if (jobid == NULL || jobid[0] == '\0')
+ return;
- rc = mdd_changelog_store(env, mdd, rec, handle);
- if (rc < 0) {
- CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
- rc, type, tname->ln_name, PFID(&rec->cr.cr_tfid),
- PFID(&rec->cr.cr_pfid));
- RETURN(-EFAULT);
- }
-
- RETURN(0);
+ strlcpy(jid->cr_jobid, jobid, sizeof(jid->cr_jobid));
}
-
/** Store a namespace change changelog record
* If this fails, we must fail the whole transaction; we don't
* want the change to commit without the log entry.
* \param spfid - source parent fid
* \param tname - target name string
* \param sname - source name string
- * \param handle - transacion handle
+ * \param handle - transaction handle
*/
-static int mdd_changelog_ext_ns_store(const struct lu_env *env,
- struct mdd_device *mdd,
- enum changelog_rec_type type,
- unsigned flags,
- struct mdd_object *target,
- const struct lu_fid *tpfid,
- const struct lu_fid *sfid,
- const struct lu_fid *spfid,
- const struct lu_name *tname,
- const struct lu_name *sname,
- struct thandle *handle)
+int mdd_changelog_ns_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ enum changelog_rec_type type,
+ enum changelog_rec_flags crf,
+ struct mdd_object *target,
+ const struct lu_fid *tpfid,
+ const struct lu_fid *sfid,
+ const struct lu_fid *spfid,
+ const struct lu_name *tname,
+ const struct lu_name *sname,
+ struct thandle *handle)
{
- struct llog_changelog_ext_rec *rec;
- struct lu_buf *buf;
- int reclen;
- int rc;
+ const struct lu_ucred *uc = lu_ucred(env);
+ struct llog_changelog_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
ENTRY;
/* Not recording */
if (!(mdd->mdd_cl.mc_flags & CLM_ON))
RETURN(0);
+
if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
RETURN(0);
- LASSERT(sfid != NULL);
LASSERT(tpfid != NULL);
LASSERT(tname != NULL);
LASSERT(handle != NULL);
- reclen = llog_data_len(sizeof(*rec) +
- sname != NULL ? 1 + sname->ln_namelen : 0);
+ reclen = mdd_llog_record_calc_size(env, tname, sname);
buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
if (buf->lb_buf == NULL)
RETURN(-ENOMEM);
rec = buf->lb_buf;
- rec->cr.cr_flags = CLF_EXT_VERSION | (CLF_FLAGMASK & flags);
+ crf &= CLF_FLAGMASK;
+
+ if (uc != NULL && uc->uc_jobid[0] != '\0')
+ crf |= CLF_JOBID;
+
+ if (sname != NULL)
+ crf |= CLF_RENAME;
+ else
+ crf |= CLF_VERSION;
+
+ rec->cr.cr_flags = crf;
rec->cr.cr_type = (__u32)type;
rec->cr.cr_pfid = *tpfid;
- rec->cr.cr_sfid = *sfid;
- rec->cr.cr_spfid = *spfid;
rec->cr.cr_namelen = tname->ln_namelen;
- memcpy(rec->cr.cr_name, tname->ln_name, tname->ln_namelen);
- if (sname) {
- rec->cr.cr_name[tname->ln_namelen] = '\0';
- memcpy(rec->cr.cr_name + tname->ln_namelen + 1, sname->ln_name,
- sname->ln_namelen);
- rec->cr.cr_namelen += 1 + sname->ln_namelen;
- }
+ memcpy(changelog_rec_name(&rec->cr), tname->ln_name, tname->ln_namelen);
+
+ if (crf & CLF_RENAME)
+ mdd_changelog_rec_ext_rename(&rec->cr, sfid, spfid, sname);
+
+ if (crf & CLF_JOBID)
+ mdd_changelog_rec_ext_jobid(&rec->cr, uc->uc_jobid);
if (likely(target != NULL)) {
rec->cr.cr_tfid = *mdo2fid(target);
fid_zero(&rec->cr.cr_tfid);
}
- rc = mdd_changelog_ext_store(env, mdd, rec, handle);
+ rc = mdd_changelog_store(env, mdd, rec, handle);
if (rc < 0) {
- CERROR("changelog failed: rc=%d, op%d %s c"DFID" p"DFID"\n",
- rc, type, tname->ln_name, PFID(sfid), PFID(tpfid));
+ CERROR("%s: cannot store changelog record: type = %d, "
+ "name = '%s', t = "DFID", p = "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, type, tname->ln_name,
+ PFID(&rec->cr.cr_tfid), PFID(&rec->cr.cr_pfid), rc);
return -EFAULT;
}
struct linkea_data *ldata)
{
int rc = 0;
- int rc2 = 0;
ENTRY;
if (OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF))
- return 0;
+ RETURN(0);
LASSERT(oldpfid != NULL || newpfid != NULL);
- if (mdd_obj->mod_flags & DEAD_OBJ) {
- /* Prevent linkea to be updated which is NOT necessary. */
- ldata->ld_reclen = 0;
- /* No more links, don't bother */
+ if (mdd_obj->mod_flags & DEAD_OBJ)
+ /* Unnecessary to update linkEA for dead object. */
RETURN(0);
- }
if (oldpfid != NULL) {
rc = __mdd_links_del(env, mdd_obj, ldata, oldlname, oldpfid);
if (rc) {
- if ((check == 1) ||
- (rc != -ENODATA && rc != -ENOENT))
+ if ((check == 1) || (rc != -ENODATA && rc != -ENOENT))
RETURN(rc);
+
/* No changes done. */
rc = 0;
}
}
/* If renaming, add the new record */
- if (newpfid != NULL) {
- /* even if the add fails, we still delete the out-of-date
- * old link */
- rc2 = __mdd_links_add(env, mdd_obj, ldata, newlname, newpfid,
- first, check);
- }
-
- rc = rc != 0 ? rc : rc2;
+ if (newpfid != NULL)
+ rc = __mdd_links_add(env, mdd_obj, ldata, newlname, newpfid,
+ first, check);
RETURN(rc);
}
struct linkea_data *ldata,
int first, int check)
{
- int rc2 = 0;
int rc = 0;
ENTRY;
ldata = &mdd_env_info(env)->mti_link_data;
memset(ldata, 0, sizeof(*ldata));
rc = mdd_linkea_prepare(env, mdd_obj, oldpfid, oldlname,
- newpfid, newlname, first, check,
- ldata);
- if (rc != 0)
+ newpfid, newlname, first, check, ldata);
+ if (rc)
GOTO(out, rc);
}
- if (ldata->ld_reclen != 0)
+ if (!(mdd_obj->mod_flags & DEAD_OBJ))
rc = mdd_links_write(env, mdd_obj, ldata, handle);
- EXIT;
+
+ GOTO(out, rc);
+
out:
- if (rc == 0)
- rc = rc2;
- if (rc) {
- int error = 1;
- if (rc == -EOVERFLOW || rc == -ENOSPC)
- error = 0;
- if (oldpfid == NULL)
- CDEBUG(error ? D_ERROR : D_OTHER,
- "link_ea add '%.*s' failed %d "DFID"\n",
- newlname->ln_namelen, newlname->ln_name,
+ if (rc != 0) {
+ if (newlname == NULL)
+ CERROR("link_ea add failed %d "DFID"\n",
rc, PFID(mdd_object_fid(mdd_obj)));
+ else if (oldpfid == NULL)
+ CERROR("link_ea add '%.*s' failed %d "DFID"\n",
+ newlname->ln_namelen, newlname->ln_name, rc,
+ PFID(mdd_object_fid(mdd_obj)));
else if (newpfid == NULL)
- CDEBUG(error ? D_ERROR : D_OTHER,
- "link_ea del '%.*s' failed %d "DFID"\n",
- oldlname->ln_namelen, oldlname->ln_name,
- rc, PFID(mdd_object_fid(mdd_obj)));
+ CERROR("link_ea del '%.*s' failed %d "DFID"\n",
+ oldlname->ln_namelen, oldlname->ln_name, rc,
+ PFID(mdd_object_fid(mdd_obj)));
else
- CDEBUG(error ? D_ERROR : D_OTHER,
- "link_ea rename '%.*s'->'%.*s' failed %d "
- DFID"\n",
- oldlname->ln_namelen, oldlname->ln_name,
- newlname->ln_namelen, newlname->ln_name,
- rc, PFID(mdd_object_fid(mdd_obj)));
+ CERROR("link_ea rename '%.*s'->'%.*s' failed %d "DFID
+ "\n", oldlname->ln_namelen, oldlname->ln_name,
+ newlname->ln_namelen, newlname->ln_name, rc,
+ PFID(mdd_object_fid(mdd_obj)));
}
- if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ if (is_vmalloc_addr(ldata->ld_buf))
/* if we vmalloced a large buffer drop it */
lu_buf_free(ldata->ld_buf);
const struct lu_fid *pfid,
const struct lu_name *lname,
struct thandle *handle,
- struct linkea_data *data, int first)
+ struct linkea_data *ldata, int first)
{
return mdd_links_rename(env, mdd_obj, NULL, NULL,
- pfid, lname, handle, data, first, 0);
+ pfid, lname, handle, ldata, first, 0);
}
-static inline int mdd_links_del(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct lu_fid *pfid,
- const struct lu_name *lname,
- struct thandle *handle)
-{
- return mdd_links_rename(env, mdd_obj, pfid, lname,
- NULL, NULL, handle, NULL, 0, 0);
-}
-
-/** Read the link EA into a temp buffer.
- * Uses the mdd_thread_info::mti_big_buf since it is generally large.
- * A pointer to the buffer is stored in \a ldata::ld_buf.
- *
- * \retval 0 or error
- */
-int mdd_links_read(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct linkea_data *ldata)
-{
- int rc;
-
- if (!mdd_object_exists(mdd_obj))
- return -ENODATA;
-
- /* First try a small buf */
- LASSERT(env != NULL);
- ldata->ld_buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_link_buf,
- PAGE_CACHE_SIZE);
- if (ldata->ld_buf->lb_buf == NULL)
- return -ENOMEM;
-
- rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf, XATTR_NAME_LINK,
- BYPASS_CAPA);
- if (rc == -ERANGE) {
- /* Buf was too small, figure out what we need. */
- lu_buf_free(ldata->ld_buf);
- rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
- XATTR_NAME_LINK, BYPASS_CAPA);
- if (rc < 0)
- return rc;
- ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
- if (ldata->ld_buf->lb_buf == NULL)
- return -ENOMEM;
- rc = mdo_xattr_get(env, mdd_obj, ldata->ld_buf,
- XATTR_NAME_LINK, BYPASS_CAPA);
- }
- if (rc < 0) {
- lu_buf_free(ldata->ld_buf);
- ldata->ld_buf = NULL;
- return rc;
- }
-
- return linkea_init(ldata);
+static inline int mdd_links_del(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ const struct lu_fid *pfid,
+ const struct lu_name *lname,
+ struct thandle *handle)
+{
+ return mdd_links_rename(env, mdd_obj, pfid, lname,
+ NULL, NULL, handle, NULL, 0, 0);
}
/** Read the link EA into a temp buffer.
struct lu_buf *mdd_links_get(const struct lu_env *env,
struct mdd_object *mdd_obj)
{
- struct linkea_data ldata = { 0 };
+ struct linkea_data ldata = { NULL };
int rc;
rc = mdd_links_read(env, mdd_obj, &ldata);
int mdd_links_write(const struct lu_env *env, struct mdd_object *mdd_obj,
struct linkea_data *ldata, struct thandle *handle)
{
- const struct lu_buf *buf = mdd_buf_get_const(env, ldata->ld_buf->lb_buf,
- ldata->ld_leh->leh_len);
- return mdo_xattr_set(env, mdd_obj, buf, XATTR_NAME_LINK, 0, handle,
- mdd_object_capa(env, mdd_obj));
+ const struct lu_buf *buf;
+ int rc;
+
+ if (ldata == NULL || ldata->ld_buf == NULL ||
+ ldata->ld_leh == NULL)
+ return 0;
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NO_LINKEA))
+ return 0;
+
+again:
+ buf = mdd_buf_get_const(env, ldata->ld_buf->lb_buf,
+ ldata->ld_leh->leh_len);
+ rc = mdo_xattr_set(env, mdd_obj, buf, XATTR_NAME_LINK, 0, handle);
+ if (unlikely(rc == -ENOSPC)) {
+ rc = linkea_overflow_shrink(ldata);
+ if (likely(rc > 0))
+ goto again;
+ }
+
+ return rc;
}
-int mdd_declare_links_add(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct thandle *handle, struct linkea_data *ldata)
+static int mdd_declare_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct thandle *handle,
+ struct linkea_data *ldata)
{
int rc;
int ea_len;
ea_len = ldata->ld_leh->leh_len;
linkea = ldata->ld_buf->lb_buf;
} else {
- ea_len = DEFAULT_LINKEA_SIZE;
+ ea_len = MAX_LINKEA_SIZE;
linkea = NULL;
}
- /* XXX: max size? */
rc = mdo_declare_xattr_set(env, mdd_obj,
mdd_buf_get_const(env, linkea, ea_len),
XATTR_NAME_LINK, 0, handle);
+
return rc;
}
}
static int mdd_declare_link(const struct lu_env *env,
- struct mdd_device *mdd,
- struct mdd_object *p,
- struct mdd_object *c,
- const struct lu_name *name,
+ struct mdd_device *mdd,
+ struct mdd_object *p,
+ struct mdd_object *c,
+ const struct lu_name *name,
struct thandle *handle,
struct lu_attr *la,
struct linkea_data *data)
{
- int rc;
+ struct lu_fid tfid = *mdo2fid(c);
+ int rc;
- rc = mdo_declare_index_insert(env, p, mdo2fid(c), name->ln_name,handle);
- if (rc)
- return rc;
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING3))
+ tfid.f_oid = cfs_fail_val;
- rc = mdo_declare_ref_add(env, c, handle);
- if (rc)
- return rc;
+ rc = mdo_declare_index_insert(env, p, &tfid, mdd_object_type(c),
+ name->ln_name, handle);
+ if (rc != 0)
+ return rc;
+
+ rc = mdo_declare_ref_add(env, c, handle);
+ if (rc != 0)
+ return rc;
la->la_valid = LA_CTIME | LA_MTIME;
rc = mdo_declare_attr_set(env, p, la, handle);
la->la_valid = LA_CTIME;
rc = mdo_declare_attr_set(env, c, la, handle);
- if (rc)
- return rc;
+ if (rc != 0)
+ return rc;
rc = mdd_declare_links_add(env, c, handle, data);
- if (rc)
- return rc;
+ if (rc != 0)
+ return rc;
- rc = mdd_declare_changelog_store(env, mdd, name, handle);
+ rc = mdd_declare_changelog_store(env, mdd, name, NULL, handle);
- return rc;
+ return rc;
}
static int mdd_link(const struct lu_env *env, struct md_object *tgt_obj,
struct mdd_object *mdd_sobj = md2mdd_obj(src_obj);
struct lu_attr *cattr = MDD_ENV_VAR(env, cattr);
struct lu_attr *tattr = MDD_ENV_VAR(env, tattr);
- struct mdd_device *mdd = mdo2mdd(src_obj);
- struct thandle *handle;
+ struct mdd_device *mdd = mdo2mdd(src_obj);
+ struct thandle *handle;
+ struct lu_fid *tfid = &mdd_env_info(env)->mti_fid2;
struct linkea_data *ldata = &mdd_env_info(env)->mti_link_data;
int rc;
ENTRY;
- rc = mdd_la_get(env, mdd_sobj, cattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_sobj, cattr);
if (rc != 0)
RETURN(rc);
- rc = mdd_la_get(env, mdd_tobj, tattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_tobj, tattr);
if (rc != 0)
RETURN(rc);
LASSERT(ma->ma_attr.la_valid & LA_CTIME);
la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
+ /* Note: even this function will change ldata, but it comes from
+ * thread_info, which is completely temporary and only seen in
+ * this function, so we do not need reset ldata once it fails.*/
+ rc = mdd_linkea_prepare(env, mdd_sobj, NULL, NULL, mdo2fid(mdd_tobj),
+ lname, 0, 0, ldata);
+ if (rc != 0)
+ GOTO(stop, rc);
+
rc = mdd_declare_link(env, mdd, mdd_tobj, mdd_sobj, lname, handle,
la, ldata);
if (rc)
if (rc)
GOTO(out_unlock, rc);
- rc = mdo_ref_add(env, mdd_sobj, handle);
- if (rc)
- GOTO(out_unlock, rc);
+ if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LESS_NLINK)) {
+ rc = mdo_ref_add(env, mdd_sobj, handle);
+ if (rc != 0)
+ GOTO(out_unlock, rc);
+ }
+ *tfid = *mdo2fid(mdd_sobj);
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING3))
+ tfid->f_oid = cfs_fail_val;
- rc = __mdd_index_insert_only(env, mdd_tobj, mdo2fid(mdd_sobj),
- name, handle,
- mdd_object_capa(env, mdd_tobj));
+ rc = __mdd_index_insert_only(env, mdd_tobj, tfid,
+ mdd_object_type(mdd_sobj), name, handle);
if (rc != 0) {
mdo_ref_del(env, mdd_sobj, handle);
GOTO(out_unlock, rc);
la->la_valid = LA_CTIME;
rc = mdd_update_time(env, mdd_sobj, cattr, la, handle);
- if (rc == 0) {
- rc = mdd_linkea_prepare(env, mdd_sobj, NULL, NULL,
- mdo2fid(mdd_tobj), lname, 0, 0,
- ldata);
- if (rc == 0)
- mdd_links_add(env, mdd_sobj, mdo2fid(mdd_tobj),
- lname, handle, ldata, 0);
- /* The failure of links_add should not cause the link
- * failure, reset rc here */
- rc = 0;
- }
- EXIT;
+ if (rc == 0)
+ /* Note: The failure of links_add should not cause the
+ * link failure, so do not check return value. */
+ mdd_links_add(env, mdd_sobj, mdo2fid(mdd_tobj),
+ lname, handle, ldata, 0);
+
+ EXIT;
out_unlock:
- mdd_write_unlock(env, mdd_sobj);
- if (rc == 0)
+ mdd_write_unlock(env, mdd_sobj);
+ if (rc == 0)
rc = mdd_changelog_ns_store(env, mdd, CL_HARDLINK, 0, mdd_sobj,
- mdd_tobj, lname, handle);
+ mdo2fid(mdd_tobj), NULL, NULL,
+ lname, NULL, handle);
stop:
- mdd_trans_stop(env, mdd, rc, handle);
-
- if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ rc = mdd_trans_stop(env, mdd, rc, handle);
+ if (is_vmalloc_addr(ldata->ld_buf))
/* if we vmalloced a large buffer drop it */
lu_buf_free(ldata->ld_buf);
out_pending:
- return rc;
+ return rc;
+}
+
+static int mdd_mark_orphan_object(const struct lu_env *env,
+ struct mdd_object *obj, struct thandle *handle,
+ bool declare)
+{
+ struct lu_attr *attr = MDD_ENV_VAR(env, la_for_start);
+ int rc;
+
+ if (!S_ISDIR(mdd_object_type(obj)))
+ return 0;
+
+ attr->la_valid = LA_FLAGS;
+ attr->la_flags = LUSTRE_ORPHAN_FL;
+
+ if (declare)
+ rc = mdo_declare_attr_set(env, obj, attr, handle);
+ else
+ rc = mdo_attr_set(env, obj, attr, handle);
+
+ return rc;
}
static int mdd_declare_finish_unlink(const struct lu_env *env,
{
int rc;
- rc = orph_declare_index_insert(env, obj, mdd_object_type(obj), handle);
+ /* Sigh, we do not know if the unlink object will become orphan in
+ * declare phase, but fortunately the flags here does not matter
+ * in current declare implementation */
+ rc = mdd_mark_orphan_object(env, obj, handle, true);
if (rc != 0)
return rc;
if (rc != 0)
return rc;
+ rc = orph_declare_index_insert(env, obj, mdd_object_type(obj), handle);
+ if (rc != 0)
+ return rc;
+
return mdd_declare_links_del(env, obj, handle);
}
struct thandle *th)
{
int rc = 0;
- int is_dir = S_ISDIR(ma->ma_attr.la_mode);
- ENTRY;
+ int is_dir = S_ISDIR(ma->ma_attr.la_mode);
+ ENTRY;
- LASSERT(mdd_write_locked(env, obj) != 0);
+ LASSERT(mdd_write_locked(env, obj) != 0);
if (ma->ma_attr.la_nlink == 0 || is_dir) {
- obj->mod_flags |= DEAD_OBJ;
-
- /* add new orphan and the object
- * will be deleted during mdd_close() */
- if (obj->mod_count) {
- rc = __mdd_orphan_add(env, obj, th);
- if (rc == 0)
- CDEBUG(D_HA, "Object "DFID" is inserted into "
- "orphan list, open count = %d\n",
- PFID(mdd_object_fid(obj)),
- obj->mod_count);
- else
- CERROR("Object "DFID" fail to be an orphan, "
- "open count = %d, maybe cause failed "
- "open replay\n",
- PFID(mdd_object_fid(obj)),
- obj->mod_count);
- } else {
+ /* add new orphan and the object
+ * will be deleted during mdd_close() */
+ obj->mod_flags |= DEAD_OBJ;
+ if (obj->mod_count) {
+ rc = __mdd_orphan_add(env, obj, th);
+ if (rc == 0)
+ CDEBUG(D_HA, "Object "DFID" is inserted into "
+ "orphan list, open count = %d\n",
+ PFID(mdd_object_fid(obj)),
+ obj->mod_count);
+ else
+ CERROR("Object "DFID" fail to be an orphan, "
+ "open count = %d, maybe cause failed "
+ "open replay\n",
+ PFID(mdd_object_fid(obj)),
+ obj->mod_count);
+
+ /* mark object as an orphan here, not
+ * before __mdd_orphan_add() as racing
+ * mdd_la_get() may propagate ORPHAN_OBJ
+ * causing the asserition */
+ rc = mdd_mark_orphan_object(env, obj, th, false);
+ } else {
rc = mdo_destroy(env, obj, th);
- }
+ }
} else if (!is_dir) {
/* old files may not have link ea; ignore errors */
mdd_links_del(env, obj, mdo2fid(pobj), lname, th);
static int mdd_declare_unlink(const struct lu_env *env, struct mdd_device *mdd,
struct mdd_object *p, struct mdd_object *c,
const struct lu_name *name, struct md_attr *ma,
- struct thandle *handle, int no_name)
+ struct thandle *handle, int no_name, int is_dir)
{
- struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- int rc;
+ struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
+ int rc;
- if (likely(no_name == 0)) {
- rc = mdo_declare_index_delete(env, p, name->ln_name, handle);
- if (rc)
- return rc;
- }
+ if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING2)) {
+ if (likely(no_name == 0)) {
+ rc = mdo_declare_index_delete(env, p, name->ln_name,
+ handle);
+ if (rc != 0)
+ return rc;
+ }
- rc = mdo_declare_ref_del(env, p, handle);
- if (rc)
- return rc;
+ if (is_dir != 0) {
+ rc = mdo_declare_ref_del(env, p, handle);
+ if (rc != 0)
+ return rc;
+ }
+ }
LASSERT(ma->ma_attr.la_valid & LA_CTIME);
la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
return rc;
/* FIXME: need changelog for remove entry */
- rc = mdd_declare_changelog_store(env, mdd, name, handle);
+ rc = mdd_declare_changelog_store(env, mdd, name, NULL, handle);
}
return rc;
hsm_buf = mdd_buf_get(env, NULL, 0);
lu_buf_alloc(hsm_buf, buflen);
- rc = mdo_xattr_get(env, obj, hsm_buf, XATTR_NAME_HSM,
- mdd_object_capa(env, obj));
+ rc = mdo_xattr_get(env, obj, hsm_buf, XATTR_NAME_HSM);
rc = lustre_buf2hsm(hsm_buf->lb_buf, rc, &ma->ma_hsm);
lu_buf_free(hsm_buf);
if (rc < 0)
RETURN(false);
- ma->ma_valid = MA_HSM;
+ ma->ma_valid |= MA_HSM;
}
if (ma->ma_hsm.mh_flags & HS_EXISTS)
RETURN(true);
struct mdd_object *mdd_cobj = NULL;
struct mdd_device *mdd = mdo2mdd(pobj);
struct thandle *handle;
- int rc, is_dir = 0;
+ int rc, is_dir = 0, cl_flags = 0;
ENTRY;
/* cobj == NULL means only delete name entry */
RETURN(-ENOENT);
}
- rc = mdd_la_get(env, mdd_pobj, pattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_pobj, pattr);
if (rc)
RETURN(rc);
if (likely(mdd_cobj != NULL)) {
/* fetch cattr */
- rc = mdd_la_get(env, mdd_cobj, cattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_cobj, cattr);
if (rc)
RETURN(rc);
is_dir = S_ISDIR(cattr->la_mode);
+ /* search for an existing archive.
+ * we should check ahead as the object
+ * can be destroyed in this transaction */
+ if (mdd_hsm_archive_exists(env, mdd_cobj, ma))
+ cl_flags |= CLF_UNLINK_HSM_EXISTS;
}
rc = mdd_unlink_sanity_check(env, mdd_pobj, pattr, mdd_cobj, cattr);
RETURN(PTR_ERR(handle));
rc = mdd_declare_unlink(env, mdd, mdd_pobj, mdd_cobj,
- lname, ma, handle, no_name);
+ lname, ma, handle, no_name, is_dir);
if (rc)
GOTO(stop, rc);
if (likely(mdd_cobj != NULL))
mdd_write_lock(env, mdd_cobj, MOR_TGT_CHILD);
- if (likely(no_name == 0)) {
- rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle,
- mdd_object_capa(env, mdd_pobj));
+ if (likely(no_name == 0) && !OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DANGLING2)) {
+ rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle);
if (rc)
GOTO(cleanup, rc);
}
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_MUL_REF) ||
+ OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NO_NAMEENTRY))
+ GOTO(cleanup, rc = 0);
+
if (likely(mdd_cobj != NULL)) {
rc = mdo_ref_del(env, mdd_cobj, handle);
if (rc != 0) {
__mdd_index_insert_only(env, mdd_pobj,
mdo2fid(mdd_cobj),
- name, handle,
- mdd_object_capa(env, mdd_pobj));
+ mdd_object_type(mdd_cobj),
+ name, handle);
GOTO(cleanup, rc);
}
mdo_ref_del(env, mdd_cobj, handle);
/* fetch updated nlink */
- rc = mdd_la_get(env, mdd_cobj, cattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_cobj, cattr);
if (rc)
GOTO(cleanup, rc);
}
ma->ma_attr = *cattr;
ma->ma_valid |= MA_INODE;
rc = mdd_finish_unlink(env, mdd_cobj, ma, mdd_pobj, lname, handle);
+ if (rc != 0)
+ GOTO(cleanup, rc);
/* fetch updated nlink */
- if (rc == 0)
- rc = mdd_la_get(env, mdd_cobj, cattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_cobj, cattr);
+ /* if object is removed then we can't get its attrs,
+ * use last get */
+ if (rc == -ENOENT) {
+ cattr->la_nlink = 0;
+ rc = 0;
+ }
- /* if object is removed then we can't get its attrs, use last get */
if (cattr->la_nlink == 0) {
ma->ma_attr = *cattr;
ma->ma_valid |= MA_INODE;
}
+
EXIT;
cleanup:
- mdd_write_unlock(env, mdd_cobj);
- if (rc == 0) {
- int cl_flags = 0;
+ if (likely(mdd_cobj != NULL))
+ mdd_write_unlock(env, mdd_cobj);
- if (cattr->la_nlink == 0) {
+ if (rc == 0) {
+ if (cattr->la_nlink == 0)
cl_flags |= CLF_UNLINK_LAST;
- /* search for an existing archive */
- if (mdd_hsm_archive_exists(env, mdd_cobj, ma))
- cl_flags |= CLF_UNLINK_HSM_EXISTS;
- }
+ else
+ cl_flags &= ~CLF_UNLINK_HSM_EXISTS;
rc = mdd_changelog_ns_store(env, mdd,
is_dir ? CL_RMDIR : CL_UNLINK, cl_flags,
- mdd_cobj, mdd_pobj, lname, handle);
+ mdd_cobj, mdo2fid(mdd_pobj), NULL, NULL, lname, NULL,
+ handle);
}
stop:
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
return rc;
}
RETURN(0);
}
-static int mdd_create_data(const struct lu_env *env, struct md_object *pobj,
- struct md_object *cobj, const struct md_op_spec *spec,
- struct md_attr *ma)
+static int mdd_create_data(const struct lu_env *env,
+ struct md_object *pobj,
+ struct md_object *cobj,
+ const struct md_op_spec *spec,
+ struct md_attr *ma)
{
struct mdd_device *mdd = mdo2mdd(cobj);
struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
* striping can be specified or not
* 2) CMD?
*/
- rc = mdd_la_get(env, son, attr, BYPASS_CAPA);
+ rc = mdd_la_get(env, son, attr);
if (rc)
RETURN(rc);
/* calling ->ah_make_hint() is used to transfer information from parent */
mdd_object_make_hint(env, mdd_pobj, son, attr, spec, hint);
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- GOTO(out_free, rc = PTR_ERR(handle));
+ handle = mdd_trans_create(env, mdd);
+ if (IS_ERR(handle))
+ GOTO(out_free, rc = PTR_ERR(handle));
- /*
- * XXX: Setting the lov ea is not locked but setting the attr is locked?
- * Should this be fixed?
- */
- CDEBUG(D_OTHER, "ea %p/%u, cr_flags "LPO64", no_create %u\n",
+ /*
+ * XXX: Setting the lov ea is not locked but setting the attr is locked?
+ * Should this be fixed?
+ */
+ CDEBUG(D_OTHER, "ea %p/%u, cr_flags %#llo, no_create %u\n",
spec->u.sp_ea.eadata, spec->u.sp_ea.eadatalen,
spec->sp_cr_flags, spec->no_create);
if (rc)
GOTO(stop, rc);
- rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
+ rc = mdd_declare_changelog_store(env, mdd, NULL, NULL, handle);
if (rc)
GOTO(stop, rc);
GOTO(stop, rc);
rc = dt_xattr_set(env, mdd_object_child(son), buf, XATTR_NAME_LOV,
- 0, handle, mdd_object_capa(env, son));
+ 0, handle);
if (rc)
GOTO(stop, rc);
rc = mdd_changelog_data_store(env, mdd, CL_LAYOUT, 0, son, handle);
stop:
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
+
out_free:
RETURN(rc);
}
static int mdd_declare_object_initialize(const struct lu_env *env,
struct mdd_object *parent,
struct mdd_object *child,
- struct lu_attr *attr,
+ const struct lu_attr *attr,
struct thandle *handle)
{
- int rc;
+ int rc;
ENTRY;
- /*
- * inode mode has been set in creation time, and it's based on umask,
- * la_mode and acl, don't set here again! (which will go wrong
- * because below function doesn't consider umask).
- * I'd suggest set all object attributes in creation time, see above.
- */
LASSERT(attr->la_valid & (LA_MODE | LA_TYPE));
- attr->la_valid &= ~(LA_MODE | LA_TYPE);
- rc = mdo_declare_attr_set(env, child, attr, handle);
- attr->la_valid |= LA_MODE | LA_TYPE;
- if (rc == 0 && S_ISDIR(attr->la_mode)) {
- rc = mdo_declare_index_insert(env, child, mdo2fid(child),
- dot, handle);
- if (rc == 0)
- rc = mdo_declare_ref_add(env, child, handle);
-
- rc = mdo_declare_index_insert(env, child, mdo2fid(parent),
- dotdot, handle);
- }
+ if (!S_ISDIR(attr->la_mode))
+ RETURN(0);
+
+ rc = mdo_declare_index_insert(env, child, mdo2fid(child), S_IFDIR,
+ dot, handle);
+ if (rc != 0)
+ RETURN(rc);
+
+ rc = mdo_declare_ref_add(env, child, handle);
+ if (rc != 0)
+ RETURN(rc);
+
+ rc = mdo_declare_index_insert(env, child, mdo2fid(parent), S_IFDIR,
+ dotdot, handle);
RETURN(rc);
}
struct lu_attr *attr, struct thandle *handle,
const struct md_op_spec *spec)
{
- int rc;
- ENTRY;
-
- /*
- * Update attributes for child.
- *
- * FIXME:
- * (1) the valid bits should be converted between Lustre and Linux;
- * (2) maybe, the child attributes should be set in OSD when creation.
- */
+ int rc = 0;
+ ENTRY;
- rc = mdd_attr_set_internal(env, child, attr, handle, 0);
- /* arguments are supposed to stay the same */
if (S_ISDIR(attr->la_mode)) {
/* Add "." and ".." for newly created dir */
mdo_ref_add(env, child, handle);
rc = __mdd_index_insert_only(env, child, mdo2fid(child),
- dot, handle, BYPASS_CAPA);
- if (rc == 0)
- rc = __mdd_index_insert_only(env, child, pfid,
- dotdot, handle,
- BYPASS_CAPA);
- if (rc != 0)
- mdo_ref_del(env, child, handle);
- }
+ S_IFDIR, dot, handle);
+ if (rc == 0)
+ rc = __mdd_index_insert_only(env, child, pfid, S_IFDIR,
+ dotdot, handle);
+ if (rc != 0)
+ mdo_ref_del(env, child, handle);
+ }
RETURN(rc);
}
-/* has not lock on pobj yet */
+/**
+ * This function checks whether it can create a file/dir under the
+ * directory(@pobj). The directory(@pobj) is not being locked by
+ * mdd lock.
+ *
+ * \param[in] env execution environment
+ * \param[in] pobj the directory to create files
+ * \param[in] pattr the attributes of the directory
+ * \param[in] lname the name of the created file/dir
+ * \param[in] cattr the attributes of the file/dir
+ * \param[in] spec create specification
+ *
+ * \retval = 0 it is allowed to create file/dir under
+ * the directory
+ * \retval negative error not allowed to create file/dir
+ * under the directory
+ */
static int mdd_create_sanity_check(const struct lu_env *env,
struct md_object *pobj,
const struct lu_attr *pattr,
struct lu_attr *cattr,
struct md_op_spec *spec)
{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct lu_fid *fid = &info->mti_fid;
- struct mdd_object *obj = md2mdd_obj(pobj);
- struct mdd_device *m = mdo2mdd(pobj);
- int rc;
- ENTRY;
+ struct mdd_thread_info *info = mdd_env_info(env);
+ struct lu_fid *fid = &info->mti_fid;
+ struct mdd_object *obj = md2mdd_obj(pobj);
+ struct mdd_device *m = mdo2mdd(pobj);
+ bool check_perm = true;
+ int rc;
+ ENTRY;
- /* EEXIST check */
- if (mdd_is_dead_obj(obj))
- RETURN(-ENOENT);
+ /* EEXIST check */
+ if (mdd_is_dead_obj(obj))
+ RETURN(-ENOENT);
/*
* In some cases this lookup is not needed - we know before if name
*/
rc = __mdd_lookup(env, pobj, pattr, lname, fid,
MAY_WRITE | MAY_EXEC);
- if (rc != -ENOENT)
- RETURN(rc ? : -EEXIST);
- } else {
- /*
- * Check WRITE permission for the parent.
- * EXEC permission have been checked
- * when lookup before create already.
- */
- rc = mdd_permission_internal_locked(env, obj, pattr, MAY_WRITE,
- MOR_TGT_PARENT);
- if (rc)
- RETURN(rc);
+ if (rc != -ENOENT)
+ RETURN(rc ? : -EEXIST);
+
+ /* Permission is already being checked in mdd_lookup */
+ check_perm = false;
}
+ rc = mdd_may_create(env, obj, pattr, NULL, check_perm);
+ if (rc != 0)
+ RETURN(rc);
+
/* sgid check */
if (pattr->la_mode & S_ISGID) {
cattr->la_gid = pattr->la_gid;
}
}
+ rc = mdd_name_check(m, lname);
+ if (rc < 0)
+ RETURN(rc);
+
switch (cattr->la_mode & S_IFMT) {
- case S_IFLNK: {
- unsigned int symlen = strlen(spec->u.sp_symname) + 1;
+ case S_IFLNK: {
+ unsigned int symlen = strlen(spec->u.sp_symname) + 1;
- if (symlen > (1 << m->mdd_dt_conf.ddp_block_shift))
- RETURN(-ENAMETOOLONG);
- else
- RETURN(0);
- }
+ if (symlen > m->mdd_dt_conf.ddp_symlink_max)
+ RETURN(-ENAMETOOLONG);
+ else
+ RETURN(0);
+ }
case S_IFDIR:
case S_IFREG:
case S_IFCHR:
struct lu_buf *acl_buf,
struct dt_allocation_hint *hint)
{
+ const struct lu_buf *buf;
int rc;
rc = mdd_declare_object_create_internal(env, p, c, attr, handle, spec,
/* replay case, create LOV EA from client data */
if (spec->no_create ||
(spec->sp_cr_flags & MDS_OPEN_HAS_EA && S_ISREG(attr->la_mode))) {
- const struct lu_buf *buf;
-
buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
spec->u.sp_ea.eadatalen);
rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_LOV, 0,
if (rc)
GOTO(out, rc);
}
+
+ if (spec->sp_cr_file_secctx_name != NULL) {
+ buf = mdd_buf_get_const(env, spec->sp_cr_file_secctx,
+ spec->sp_cr_file_secctx_size);
+ rc = mdo_declare_xattr_set(env, c, buf,
+ spec->sp_cr_file_secctx_name, 0,
+ handle);
+ if (rc < 0)
+ GOTO(out, rc);
+ }
out:
return rc;
}
GOTO(out, rc);
}
- if (spec->sp_cr_flags & MDS_OPEN_VOLATILE) {
+ if (unlikely(spec->sp_cr_flags & MDS_OPEN_VOLATILE)) {
rc = orph_declare_index_insert(env, c, attr->la_mode, handle);
if (rc)
GOTO(out, rc);
} else {
struct lu_attr *la = &mdd_env_info(env)->mti_la_for_fix;
- rc = mdo_declare_index_insert(env, p, mdo2fid(c), name->ln_name,
- handle);
- if (rc)
+ rc = mdo_declare_index_insert(env, p, mdo2fid(c), attr->la_mode,
+ name->ln_name, handle);
+ if (rc != 0)
return rc;
+
rc = mdd_declare_links_add(env, c, handle, ldata);
if (rc)
return rc;
rc = mdo_declare_attr_set(env, p, la, handle);
if (rc)
return rc;
- }
- rc = mdd_declare_changelog_store(env, mdd, name, handle);
- if (rc)
- return rc;
-
- /* XXX: For remote create, it should indicate the remote RPC
- * will be sent after local transaction is finished, which
- * is not very nice, but it will be removed once we fully support
- * async update */
- if (mdd_object_remote(p) && handle->th_update != NULL)
- handle->th_update->tu_sent_after_local_trans = 1;
+ rc = mdd_declare_changelog_store(env, mdd, name, NULL, handle);
+ if (rc)
+ return rc;
+ }
out:
return rc;
}
mdd_read_lock(env, pobj, MOR_TGT_PARENT);
rc = mdo_xattr_get(env, pobj, def_acl_buf,
- XATTR_NAME_ACL_DEFAULT, BYPASS_CAPA);
+ XATTR_NAME_ACL_DEFAULT);
mdd_read_unlock(env, pobj);
if (rc > 0) {
/* If there are default ACL, fix mode/ACL by default ACL */
struct dt_allocation_hint *hint,
struct thandle *handle)
{
+ const struct lu_buf *buf;
int rc;
mdd_write_lock(env, son, MOR_TGT_CHILD);
if (rc)
GOTO(unlock, rc);
+ /* Note: In DNE phase I, for striped dir, though sub-stripes will be
+ * created in declare phase, they also needs to be added to master
+ * object as sub-directory entry. So it has to initialize the master
+ * object, then set dir striped EA.(in mdo_xattr_set) */
+ rc = mdd_object_initialize(env, mdo2fid(pobj), son, attr, handle,
+ spec);
+ if (rc != 0)
+ GOTO(err_destroy, rc);
+
+ /*
+ * in case of replay we just set LOVEA provided by the client
+ * XXX: I think it would be interesting to try "old" way where
+ * MDT calls this xattr_set(LOV) in a different transaction.
+ * probably this way we code can be made better.
+ */
+
+ /* During creation, there are only a few cases we need do xattr_set to
+ * create stripes.
+ * 1. regular file: see comments above.
+ * 2. dir: inherit default striping or pool settings from parent.
+ * 3. create striped directory with provided stripeEA.
+ * 4. create striped directory because inherit default layout from the
+ * parent.
+ */
+ if (spec->no_create ||
+ (S_ISREG(attr->la_mode) && spec->sp_cr_flags & MDS_OPEN_HAS_EA) ||
+ S_ISDIR(attr->la_mode)) {
+ buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
+ spec->u.sp_ea.eadatalen);
+ rc = mdo_xattr_set(env, son, buf,
+ S_ISDIR(attr->la_mode) ? XATTR_NAME_LMV :
+ XATTR_NAME_LOV, 0,
+ handle);
+ if (rc != 0)
+ GOTO(err_destroy, rc);
+ }
+
#ifdef CONFIG_FS_POSIX_ACL
if (def_acl_buf != NULL && def_acl_buf->lb_len > 0 &&
S_ISDIR(attr->la_mode)) {
/* set default acl */
rc = mdo_xattr_set(env, son, def_acl_buf,
XATTR_NAME_ACL_DEFAULT, 0,
- handle, BYPASS_CAPA);
+ handle);
if (rc)
GOTO(err_destroy, rc);
}
if (acl_buf != NULL && acl_buf->lb_len > 0) {
rc = mdo_xattr_set(env, son, acl_buf,
XATTR_NAME_ACL_ACCESS,
- 0, handle, BYPASS_CAPA);
+ 0, handle);
if (rc)
GOTO(err_destroy, rc);
}
#endif
- rc = mdd_object_initialize(env, mdo2fid(pobj), son, attr, handle,
- spec);
- if (rc != 0)
- GOTO(err_destroy, rc);
-
- /*
- * in case of replay we just set LOVEA provided by the client
- * XXX: I think it would be interesting to try "old" way where
- * MDT calls this xattr_set(LOV) in a different transaction.
- * probably this way we code can be made better.
- */
- if (spec->no_create || (spec->sp_cr_flags & MDS_OPEN_HAS_EA &&
- S_ISREG(attr->la_mode))) {
- const struct lu_buf *buf;
-
- buf = mdd_buf_get_const(env, spec->u.sp_ea.eadata,
- spec->u.sp_ea.eadatalen);
- rc = mdo_xattr_set(env, son, buf, XATTR_NAME_LOV, 0, handle,
- BYPASS_CAPA);
- if (rc != 0)
- GOTO(err_destroy, rc);
- }
-
if (S_ISLNK(attr->la_mode)) {
struct lu_ucred *uc = lu_ucred_assert(env);
struct dt_object *dt = mdd_object_child(son);
buf = mdd_buf_get_const(env, target_name, sym_len);
rc = dt->do_body_ops->dbo_write(env, dt, buf, &pos, handle,
- mdd_object_capa(env, son),
uc->uc_cap &
CFS_CAP_SYS_RESOURCE_MASK);
GOTO(err_initlized, rc = -EFAULT);
}
+ if (spec->sp_cr_file_secctx_name != NULL) {
+ buf = mdd_buf_get_const(env, spec->sp_cr_file_secctx,
+ spec->sp_cr_file_secctx_size);
+ rc = mdo_xattr_set(env, son, buf, spec->sp_cr_file_secctx_name,
+ 0, handle);
+ if (rc < 0)
+ GOTO(err_initlized, rc);
+ }
+
err_initlized:
if (unlikely(rc != 0)) {
int rc2;
RETURN(rc);
}
+static int mdd_index_delete(const struct lu_env *env,
+ struct mdd_object *mdd_pobj,
+ struct lu_attr *cattr,
+ const struct lu_name *lname)
+{
+ struct mdd_device *mdd = mdo2mdd(&mdd_pobj->mod_obj);
+ struct thandle *handle;
+ int rc;
+ ENTRY;
+
+ handle = mdd_trans_create(env, mdd);
+ if (IS_ERR(handle))
+ RETURN(PTR_ERR(handle));
+
+ rc = mdo_declare_index_delete(env, mdd_pobj, lname->ln_name,
+ handle);
+ if (rc != 0)
+ GOTO(stop, rc);
+
+ if (S_ISDIR(cattr->la_mode)) {
+ rc = mdo_declare_ref_del(env, mdd_pobj, handle);
+ if (rc != 0)
+ GOTO(stop, rc);
+ }
+
+ /* Since this will only be used in the error handler path,
+ * Let's set the thandle to be local and not mess the transno */
+ handle->th_local = 1;
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = __mdd_index_delete(env, mdd_pobj, lname->ln_name,
+ S_ISDIR(cattr->la_mode), handle);
+ if (rc)
+ GOTO(stop, rc);
+stop:
+ rc = mdd_trans_stop(env, mdd, rc, handle);
+
+ RETURN(rc);
+}
+
/*
* Create object and insert it into namespace.
*/
* 2. insert (__mdd_index_insert(), lookup again)
*/
- rc = mdd_la_get(env, mdd_pobj, pattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_pobj, pattr);
if (rc != 0)
RETURN(rc);
mdd_object_make_hint(env, mdd_pobj, son, attr, spec, hint);
memset(ldata, 0, sizeof(*ldata));
- rc = mdd_linkea_prepare(env, son, NULL, NULL,
- mdd_object_fid(mdd_pobj),
- lname, 1, 0, ldata);
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PARENT)) {
+ struct lu_fid tfid = *mdd_object_fid(mdd_pobj);
+
+ tfid.f_oid--;
+ rc = mdd_linkea_prepare(env, son, NULL, NULL,
+ &tfid, lname, 1, 0, ldata);
+ } else {
+ rc = mdd_linkea_prepare(env, son, NULL, NULL,
+ mdd_object_fid(mdd_pobj),
+ lname, 1, 0, ldata);
+ }
rc = mdd_declare_create(env, mdd, mdd_pobj, son, lname, attr,
handle, spec, ldata, &def_acl_buf, &acl_buf,
if (unlikely(spec->sp_cr_flags & MDS_OPEN_VOLATILE)) {
mdd_write_lock(env, son, MOR_TGT_CHILD);
rc = __mdd_orphan_add(env, son, handle);
- mdd_write_unlock(env, son);
- if (rc != 0)
- GOTO(err_created, rc);
+ GOTO(out_volatile, rc);
} else {
rc = __mdd_index_insert(env, mdd_pobj, mdo2fid(son),
- name, S_ISDIR(attr->la_mode), handle,
- mdd_object_capa(env, mdd_pobj));
+ attr->la_mode, name, handle);
if (rc != 0)
GOTO(err_created, rc);
EXIT;
err_insert:
if (rc != 0) {
- int rc2;
-
if (spec->sp_cr_flags & MDS_OPEN_VOLATILE)
rc2 = __mdd_orphan_del(env, son, handle);
else
rc2 = __mdd_index_delete(env, mdd_pobj, name,
S_ISDIR(attr->la_mode),
- handle, BYPASS_CAPA);
+ handle);
if (rc2 != 0)
goto out_stop;
mdd_write_lock(env, son, MOR_TGT_CHILD);
if (S_ISDIR(attr->la_mode)) {
/* Drop the reference, no need to delete "."/"..",
- * because the object to be destroied directly. */
+ * because the object is to be destroyed directly. */
rc2 = mdo_ref_del(env, son, handle);
if (rc2 != 0) {
mdd_write_unlock(env, son);
goto out_stop;
}
}
+out_volatile:
+ /* For volatile files drop one link immediately, since there is
+ * no filename in the namespace, and save any error returned. */
rc2 = mdo_ref_del(env, son, handle);
if (rc2 != 0) {
mdd_write_unlock(env, son);
+ if (unlikely(rc == 0))
+ rc = rc2;
goto out_stop;
}
- mdo_destroy(env, son, handle);
+ /* Don't destroy the volatile object on success */
+ if (likely(rc != 0))
+ mdo_destroy(env, son, handle);
mdd_write_unlock(env, son);
- }
+ }
- if (rc == 0 && fid_is_namespace_visible(mdo2fid(son)))
+ if (rc == 0 && fid_is_namespace_visible(mdo2fid(son)) &&
+ likely((spec->sp_cr_flags & MDS_OPEN_VOLATILE) == 0))
rc = mdd_changelog_ns_store(env, mdd,
- S_ISDIR(attr->la_mode) ? CL_MKDIR :
- S_ISREG(attr->la_mode) ? CL_CREATE :
- S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
- 0, son, mdd_pobj, lname, handle);
+ S_ISDIR(attr->la_mode) ? CL_MKDIR :
+ S_ISREG(attr->la_mode) ? CL_CREATE :
+ S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
+ 0, son, mdo2fid(mdd_pobj), NULL, NULL, lname,
+ NULL, handle);
out_stop:
rc2 = mdd_trans_stop(env, mdd, rc, handle);
- if (rc == 0)
+ if (rc == 0) {
+ /* If creation fails, it is most likely due to the remote update
+ * failure, because local transaction will mostly succeed at
+ * this stage. There is no easy way to rollback all of previous
+ * updates, so let's remove the object from namespace, and
+ * LFSCK should handle the orphan object. */
+ if (rc2 < 0 && !mdd_object_remote(mdd_pobj))
+ mdd_index_delete(env, mdd_pobj, attr, lname);
rc = rc2;
+ }
out_free:
- if (ldata->ld_buf && ldata->ld_buf->lb_len > OBD_ALLOC_BIG)
+ if (is_vmalloc_addr(ldata->ld_buf))
/* if we vmalloced a large buffer drop it */
lu_buf_free(ldata->ld_buf);
- /* The child object shouldn't be cached anymore */
- if (rc)
+ /* The child object shouldn't be cached anymore */
+ if (rc)
set_bit(LU_OBJECT_HEARD_BANSHEE,
- &child->mo_lu.lo_header->loh_flags);
- return rc;
+ &child->mo_lu.lo_header->loh_flags);
+ return rc;
}
/*
* processed in cld_rename before mdd_rename and enable
* MDS_PERM_BYPASS).
* So check may_create, but not check may_unlink. */
- if (!tobj)
+ if (tobj == NULL)
rc = mdd_may_create(env, tgt_pobj, tpattr, NULL,
- (src_pobj != tgt_pobj), 0);
+ (src_pobj != tgt_pobj));
else
rc = mdd_may_delete(env, tgt_pobj, tpattr, tobj, tattr, cattr,
(src_pobj != tgt_pobj), 1);
struct mdd_object *mdd_tpobj,
struct mdd_object *mdd_sobj,
struct mdd_object *mdd_tobj,
- const struct lu_name *tname,
const struct lu_name *sname,
+ const struct lu_name *tname,
struct md_attr *ma,
struct linkea_data *ldata,
struct thandle *handle)
if (mdd_spobj != mdd_tpobj) {
rc = mdo_declare_index_delete(env, mdd_sobj, dotdot,
handle);
- if (rc)
+ if (rc != 0)
return rc;
rc = mdo_declare_index_insert(env, mdd_sobj,
mdo2fid(mdd_tpobj),
- dotdot, handle);
- if (rc)
+ S_IFDIR, dotdot, handle);
+ if (rc != 0)
return rc;
}
- /* new target child can be directory,
- * counted by target dir's nlink */
- rc = mdo_declare_ref_add(env, mdd_tpobj, handle);
- if (rc)
- return rc;
- }
+
+ /* new target child can be directory,
+ * counted by target dir's nlink */
+ rc = mdo_declare_ref_add(env, mdd_tpobj, handle);
+ if (rc != 0)
+ return rc;
+ }
la->la_valid = LA_CTIME | LA_MTIME;
rc = mdo_declare_attr_set(env, mdd_spobj, la, handle);
if (rc)
return rc;
- /* new name */
- rc = mdo_declare_index_insert(env, mdd_tpobj, mdo2fid(mdd_sobj),
- tname->ln_name, handle);
- if (rc)
- return rc;
-
- /* name from target dir (old name), we declare it unconditionally
- * as mdd_rename() calls delete unconditionally as well. so just
- * to balance declarations vs calls to change ... */
- rc = mdo_declare_index_delete(env, mdd_tpobj, tname->ln_name, handle);
- if (rc)
- return rc;
+ /* new name */
+ rc = mdo_declare_index_insert(env, mdd_tpobj, mdo2fid(mdd_sobj),
+ mdd_object_type(mdd_sobj),
+ tname->ln_name, handle);
+ if (rc != 0)
+ return rc;
if (mdd_tobj && mdd_object_exists(mdd_tobj)) {
/* delete target child in target parent directory */
+ rc = mdo_declare_index_delete(env, mdd_tpobj, tname->ln_name,
+ handle);
+ if (rc)
+ return rc;
+
rc = mdo_declare_ref_del(env, mdd_tobj, handle);
if (rc)
return rc;
return rc;
}
- rc = mdd_declare_changelog_ext_store(env, mdd, tname, sname, handle);
+ rc = mdd_declare_changelog_store(env, mdd, tname, sname, handle);
if (rc)
return rc;
mdd_tobj = md2mdd_obj(tobj);
mdd_sobj = mdd_object_find(env, mdd, lf);
+ if (IS_ERR(mdd_sobj))
+ RETURN(PTR_ERR(mdd_sobj));
- rc = mdd_la_get(env, mdd_sobj, cattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_sobj, cattr);
if (rc)
GOTO(out_pending, rc);
- rc = mdd_la_get(env, mdd_spobj, pattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_spobj, pattr);
if (rc)
GOTO(out_pending, rc);
if (mdd_tobj) {
- rc = mdd_la_get(env, mdd_tobj, tattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_tobj, tattr);
if (rc)
GOTO(out_pending, rc);
+ /* search for an existing archive.
+ * we should check ahead as the object
+ * can be destroyed in this transaction */
+ if (mdd_hsm_archive_exists(env, mdd_tobj, ma))
+ cl_flags |= CLF_RENAME_LAST_EXISTS;
}
- rc = mdd_la_get(env, mdd_tpobj, tpattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_tpobj, tpattr);
if (rc)
GOTO(out_pending, rc);
if (rc)
GOTO(out_pending, rc);
+ rc = mdd_name_check(mdd, ltname);
+ if (rc < 0)
+ GOTO(out_pending, rc);
+
+ /* FIXME: Should consider tobj and sobj too in rename_lock. */
+ rc = mdd_rename_order(env, mdd, mdd_spobj, pattr, mdd_tpobj);
+ if (rc < 0)
+ GOTO(out_pending, rc);
+
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
memset(ldata, 0, sizeof(*ldata));
- mdd_linkea_prepare(env, mdd_sobj, NULL, NULL, mdd_object_fid(mdd_tpobj),
- ltname, 1, 0, ldata);
+ rc = mdd_linkea_prepare(env, mdd_sobj, mdd_object_fid(mdd_spobj),
+ lsname, mdd_object_fid(mdd_tpobj), ltname,
+ 1, 0, ldata);
+ if (rc)
+ GOTO(stop, rc);
+
rc = mdd_declare_rename(env, mdd, mdd_spobj, mdd_tpobj, mdd_sobj,
mdd_tobj, lsname, ltname, ma, ldata, handle);
if (rc)
if (rc)
GOTO(stop, rc);
- /* FIXME: Should consider tobj and sobj too in rename_lock. */
- rc = mdd_rename_order(env, mdd, mdd_spobj, pattr, mdd_tpobj);
- if (rc < 0)
- GOTO(cleanup_unlocked, rc);
-
is_dir = S_ISDIR(cattr->la_mode);
- /* Remove source name from source directory */
- rc = __mdd_index_delete(env, mdd_spobj, sname, is_dir, handle,
- mdd_object_capa(env, mdd_spobj));
- if (rc)
- GOTO(cleanup, rc);
+ /* Remove source name from source directory */
+ rc = __mdd_index_delete(env, mdd_spobj, sname, is_dir, handle);
+ if (rc != 0)
+ GOTO(stop, rc);
- /* "mv dir1 dir2" needs "dir1/.." link update */
- if (is_dir && mdd_sobj && !lu_fid_eq(spobj_fid, tpobj_fid)) {
- rc = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
- mdd_object_capa(env, mdd_sobj));
- if (rc)
- GOTO(fixup_spobj2, rc);
+ /* "mv dir1 dir2" needs "dir1/.." link update */
+ if (is_dir && !lu_fid_eq(spobj_fid, tpobj_fid)) {
+ rc = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle);
+ if (rc != 0)
+ GOTO(fixup_spobj2, rc);
- rc = __mdd_index_insert_only(env, mdd_sobj, tpobj_fid, dotdot,
- handle, mdd_object_capa(env, mdd_sobj));
- if (rc)
+ rc = __mdd_index_insert_only(env, mdd_sobj, tpobj_fid, S_IFDIR,
+ dotdot, handle);
+ if (rc != 0)
GOTO(fixup_spobj, rc);
}
- /* Remove target name from target directory
- * Here tobj can be remote one, so we do index_delete unconditionally
- * and -ENOENT is allowed.
- */
- rc = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle,
- mdd_object_capa(env, mdd_tpobj));
- if (rc != 0) {
- if (mdd_tobj) {
- /* tname might been renamed to something else */
- GOTO(fixup_spobj, rc);
- }
- if (rc != -ENOENT)
- GOTO(fixup_spobj, rc);
- }
+ if (mdd_tobj != NULL && mdd_object_exists(mdd_tobj)) {
+ rc = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle);
+ if (rc != 0)
+ /* tname might been renamed to something else */
+ GOTO(fixup_spobj, rc);
+ }
/* Insert new fid with target name into target dir */
- rc = __mdd_index_insert(env, mdd_tpobj, lf, tname, is_dir, handle,
- mdd_object_capa(env, mdd_tpobj));
- if (rc)
+ rc = __mdd_index_insert(env, mdd_tpobj, lf, cattr->la_mode,
+ tname, handle);
+ if (rc != 0)
GOTO(fixup_tpobj, rc);
LASSERT(ma->ma_attr.la_valid & LA_CTIME);
la->la_ctime = la->la_mtime = ma->ma_attr.la_ctime;
- /* XXX: mdd_sobj must be local one if it is NOT NULL. */
- if (mdd_sobj) {
- la->la_valid = LA_CTIME;
- rc = mdd_update_time(env, mdd_sobj, cattr, la, handle);
- if (rc)
- GOTO(fixup_tpobj, rc);
- }
+ /* XXX: mdd_sobj must be local one if it is NOT NULL. */
+ la->la_valid = LA_CTIME;
+ rc = mdd_update_time(env, mdd_sobj, cattr, la, handle);
+ if (rc)
+ GOTO(fixup_tpobj, rc);
+
+ /* Update the linkEA for the source object */
+ mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
+ rc = mdd_links_rename(env, mdd_sobj, mdo2fid(mdd_spobj), lsname,
+ mdo2fid(mdd_tpobj), ltname, handle, ldata,
+ 0, 0);
+ if (rc == -ENOENT)
+ /* Old files might not have EA entry */
+ mdd_links_add(env, mdd_sobj, mdo2fid(mdd_spobj),
+ lsname, handle, NULL, 0);
+ mdd_write_unlock(env, mdd_sobj);
+ /* We don't fail the transaction if the link ea can't be
+ updated -- fid2path will use alternate lookup method. */
+ rc = 0;
/* Remove old target object
* For tobj is remote case cmm layer has processed
tobj_ref = 1;
/* fetch updated nlink */
- rc = mdd_la_get(env, mdd_tobj, tattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_tobj, tattr);
if (rc != 0) {
CERROR("%s: Failed to get nlink for tobj "
DFID": rc = %d\n",
}
/* fetch updated nlink */
- rc = mdd_la_get(env, mdd_tobj, tattr, BYPASS_CAPA);
- if (rc != 0) {
+ rc = mdd_la_get(env, mdd_tobj, tattr);
+ if (rc == -ENOENT) {
+ /* the object got removed, let's
+ * return the latest known attributes */
+ tattr->la_nlink = 0;
+ rc = 0;
+ } else if (rc != 0) {
CERROR("%s: Failed to get nlink for tobj "
DFID": rc = %d\n",
mdd2obd_dev(mdd)->obd_name,
ma->ma_attr = *tattr;
ma->ma_valid |= MA_INODE;
- if (tattr->la_nlink == 0) {
+ if (tattr->la_nlink == 0)
cl_flags |= CLF_RENAME_LAST;
- if (mdd_hsm_archive_exists(env, mdd_tobj, ma))
- cl_flags |= CLF_RENAME_LAST_EXISTS;
- }
+ else
+ cl_flags &= ~CLF_RENAME_LAST_EXISTS;
}
la->la_valid = LA_CTIME | LA_MTIME;
if (mdd_spobj != mdd_tpobj) {
la->la_valid = LA_CTIME | LA_MTIME;
rc = mdd_update_time(env, mdd_tpobj, tpattr, la, handle);
+ if (rc != 0)
+ GOTO(fixup_tpobj, rc);
}
- if (rc == 0 && mdd_sobj) {
- mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
- rc = mdd_links_rename(env, mdd_sobj, mdo2fid(mdd_spobj), lsname,
- mdo2fid(mdd_tpobj), ltname, handle, NULL,
- 0, 0);
- if (rc == -ENOENT)
- /* Old files might not have EA entry */
- mdd_links_add(env, mdd_sobj, mdo2fid(mdd_spobj),
- lsname, handle, NULL, 0);
- mdd_write_unlock(env, mdd_sobj);
- /* We don't fail the transaction if the link ea can't be
- updated -- fid2path will use alternate lookup method. */
- rc = 0;
- }
-
EXIT;
fixup_tpobj:
if (rc) {
- rc2 = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle,
- BYPASS_CAPA);
+ rc2 = __mdd_index_delete(env, mdd_tpobj, tname, is_dir, handle);
if (rc2)
CWARN("tp obj fix error %d\n",rc2);
mdo_ref_add(env, mdd_tobj, handle);
}
- rc2 = __mdd_index_insert(env, mdd_tpobj,
- mdo2fid(mdd_tobj), tname,
- is_dir, handle,
- BYPASS_CAPA);
-
- if (rc2)
- CWARN("tp obj fix error %d\n",rc2);
- }
- }
+ rc2 = __mdd_index_insert(env, mdd_tpobj,
+ mdo2fid(mdd_tobj),
+ mdd_object_type(mdd_tobj),
+ tname, handle);
+ if (rc2 != 0)
+ CWARN("tp obj fix error: rc = %d\n", rc2);
+ }
+ }
fixup_spobj:
if (rc && is_dir && mdd_sobj && mdd_spobj != mdd_tpobj) {
- rc2 = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle,
- BYPASS_CAPA);
-
+ rc2 = __mdd_index_delete_only(env, mdd_sobj, dotdot, handle);
if (rc2)
CWARN("%s: sp obj dotdot delete error: rc = %d\n",
mdd2obd_dev(mdd)->obd_name, rc2);
- rc2 = __mdd_index_insert_only(env, mdd_sobj, spobj_fid,
- dotdot, handle, BYPASS_CAPA);
- if (rc2)
+ rc2 = __mdd_index_insert_only(env, mdd_sobj, spobj_fid, S_IFDIR,
+ dotdot, handle);
+ if (rc2 != 0)
CWARN("%s: sp obj dotdot insert error: rc = %d\n",
mdd2obd_dev(mdd)->obd_name, rc2);
}
fixup_spobj2:
- if (rc) {
- rc2 = __mdd_index_insert(env, mdd_spobj,
- lf, sname, is_dir, handle, BYPASS_CAPA);
- if (rc2)
- CWARN("sp obj fix error %d\n",rc2);
- }
+ if (rc != 0) {
+ rc2 = __mdd_index_insert(env, mdd_spobj, lf,
+ mdd_object_type(mdd_sobj), sname,
+ handle);
+ if (rc2 != 0)
+ CWARN("sp obj fix error: rc = %d\n", rc2);
+ }
+
cleanup:
if (tobj_locked)
mdd_write_unlock(env, mdd_tobj);
-cleanup_unlocked:
- if (rc == 0)
- rc = mdd_changelog_ext_ns_store(env, mdd, CL_RENAME, cl_flags,
- mdd_tobj, tpobj_fid, lf,
- spobj_fid, ltname, lsname,
- handle);
+
+ if (rc == 0)
+ rc = mdd_changelog_ns_store(env, mdd, CL_RENAME, cl_flags,
+ mdd_tobj, tpobj_fid, lf, spobj_fid,
+ ltname, lsname, handle);
stop:
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
+
out_pending:
mdd_object_put(env, mdd_sobj);
return rc;
**/
static int mdd_linkea_update_child_internal(const struct lu_env *env,
struct mdd_object *parent,
+ struct mdd_object *newparent,
struct mdd_object *child,
const char *name, int namelen,
struct thandle *handle,
bool declare)
{
struct mdd_thread_info *info = mdd_env_info(env);
- struct linkea_data ldata = {0};
+ struct linkea_data ldata = { NULL };
struct lu_buf *buf = &info->mti_link_buf;
int count;
int rc = 0;
&lname, &fid);
if (strncmp(lname.ln_name, name, namelen) != 0 ||
- lu_fid_eq(&fid, mdd_object_fid(parent))) {
+ !lu_fid_eq(&fid, mdd_object_fid(parent))) {
ldata.ld_lee = (struct link_ea_entry *)
((char *)ldata.ld_lee +
ldata.ld_reclen);
CDEBUG(D_INFO, "%s: update "DFID" with %.*s:"DFID"\n",
mdd2obd_dev(mdd)->obd_name, PFID(mdd_object_fid(child)),
lname.ln_namelen, lname.ln_name,
- PFID(mdd_object_fid(parent)));
+ PFID(mdd_object_fid(newparent)));
/* update to the new parent fid */
linkea_entry_pack(ldata.ld_lee, &lname,
- mdd_object_fid(parent));
+ mdd_object_fid(newparent));
if (declare)
rc = mdd_declare_links_add(env, child, handle, &ldata);
else
static int mdd_linkea_declare_update_child(const struct lu_env *env,
struct mdd_object *parent,
+ struct mdd_object *newparent,
struct mdd_object *child,
const char *name, int namelen,
struct thandle *handle)
{
- return mdd_linkea_update_child_internal(env, parent, child, name,
+ return mdd_linkea_update_child_internal(env, parent, newparent,
+ child, name,
namelen, handle, true);
}
static int mdd_linkea_update_child(const struct lu_env *env,
struct mdd_object *parent,
+ struct mdd_object *newparent,
struct mdd_object *child,
const char *name, int namelen,
struct thandle *handle)
{
- return mdd_linkea_update_child_internal(env, parent, child, name,
+ return mdd_linkea_update_child_internal(env, parent, newparent,
+ child, name,
namelen, handle, false);
}
struct mdd_object *mdd_sobj,
struct mdd_object *mdd_tobj,
const struct lu_name *child_name,
+ struct linkea_data *ldata,
struct thandle *handle,
int declare)
{
struct mdd_thread_info *info = mdd_env_info(env);
- struct linkea_data *ldata = &info->mti_link_data;
int count;
int rc = 0;
ENTRY;
- rc = mdd_links_read(env, mdd_sobj, ldata);
- if (rc != 0) {
- if (rc == -ENOENT || rc == -ENODATA)
- rc = 0;
- RETURN(rc);
- }
-
- if (declare)
- rc = mdd_declare_links_add(env, mdd_tobj, handle, ldata);
- else
- rc = mdd_links_write(env, mdd_tobj, ldata, handle);
-
- if (rc != 0)
- RETURN(rc);
+ LASSERT(ldata->ld_buf != NULL);
+ LASSERT(ldata->ld_leh != NULL);
/* If it is mulitple links file, we need update the name entry for
* all parent */
- LASSERT(ldata->ld_leh != NULL);
ldata->ld_lee = (struct link_ea_entry *)(ldata->ld_leh + 1);
for (count = 0; count < ldata->ld_leh->leh_reccount; count++) {
struct mdd_device *mdd = mdo2mdd(&mdd_sobj->mod_obj);
linkea_entry_unpack(ldata->ld_lee, &ldata->ld_reclen,
&lname, &fid);
- ldata->ld_lee = (struct link_ea_entry *)((char *)ldata->ld_lee +
- ldata->ld_reclen);
pobj = mdd_object_find(env, mdd, &fid);
if (IS_ERR(pobj)) {
CWARN("%s: cannot find obj "DFID": rc = %ld\n",
if (!mdd_object_exists(pobj)) {
CDEBUG(D_INFO, "%s: obj "DFID" does not exist\n",
mdd2obd_dev(mdd)->obd_name, PFID(&fid));
- GOTO(next_put, rc);
+ goto next_put;
}
if (pobj == mdd_pobj &&
CDEBUG(D_INFO, "%s: skip its own %s: "DFID"\n",
mdd2obd_dev(mdd)->obd_name, child_name->ln_name,
PFID(&fid));
- GOTO(next_put, rc);
+ goto next_put;
}
CDEBUG(D_INFO, "%s: update "DFID" with "DNAME":"DFID"\n",
/* Insert new fid with target name into target dir */
rc = mdo_declare_index_delete(env, pobj, lname.ln_name,
handle);
- if (rc)
+ if (rc != 0)
GOTO(next_put, rc);
rc = mdo_declare_index_insert(env, pobj,
- mdd_object_fid(mdd_tobj),
- lname.ln_name, handle);
- if (rc)
+ mdd_object_fid(mdd_tobj),
+ mdd_object_type(mdd_tobj),
+ lname.ln_name, handle);
+ if (rc != 0)
GOTO(next_put, rc);
rc = mdo_declare_ref_add(env, mdd_tobj, handle);
if (rc)
GOTO(next_put, rc);
} else {
- rc = __mdd_index_delete(env, pobj, lname.ln_name,
- 0, handle,
- mdd_object_capa(env, pobj));
- if (rc)
+ char *tmp_name = info->mti_key;
+
+ if (lname.ln_namelen >= sizeof(info->mti_key)) {
+ /* lnamelen is too big(> NAME_MAX + 16),
+ * something wrong about this linkea, let's
+ * skip it */
+ CWARN("%s: the name %.*s is too long under "
+ DFID"\n", mdd2obd_dev(mdd)->obd_name,
+ lname.ln_namelen, lname.ln_name,
+ PFID(&fid));
+ goto next_put;
+ }
+
+ /* Note: lname might be without \0 at the end, see
+ * linkea_entry_unpack(), let's add extra \0 by
+ * snprintf */
+ snprintf(tmp_name, sizeof(info->mti_key), "%.*s",
+ lname.ln_namelen, lname.ln_name);
+ lname.ln_name = tmp_name;
+
+ /* Let's check if this linkEA still valid, before
+ * it might be packed into the RPC buffer. */
+ rc = mdd_lookup(env, &pobj->mod_obj, &lname,
+ &info->mti_fid, NULL);
+ if (rc < 0 || !lu_fid_eq(&info->mti_fid,
+ mdd_object_fid(mdd_sobj)))
+ GOTO(next_put, rc == -ENOENT ? 0 : rc);
+
+ rc = __mdd_index_delete(env, pobj, tmp_name, 0, handle);
+ if (rc != 0)
GOTO(next_put, rc);
rc = __mdd_index_insert(env, pobj,
- mdd_object_fid(mdd_tobj),
- lname.ln_name, 0, handle,
- mdd_object_capa(env, pobj));
- if (rc)
+ mdd_object_fid(mdd_tobj),
+ mdd_object_type(mdd_tobj),
+ tmp_name, handle);
+ if (rc != 0)
GOTO(next_put, rc);
mdd_write_lock(env, mdd_tobj, MOR_SRC_CHILD);
mdd_object_put(env, pobj);
if (rc != 0)
break;
+
+ ldata->ld_lee = (struct link_ea_entry *)((char *)ldata->ld_lee +
+ ldata->ld_reclen);
}
RETURN(rc);
int rc;
/* retrieve xattr list from the old object */
- list_xsize = mdo_xattr_list(env, mdd_sobj, &LU_BUF_NULL,
- mdd_object_capa(env, mdd_sobj));
+ list_xsize = mdo_xattr_list(env, mdd_sobj, &LU_BUF_NULL);
if (list_xsize == -ENODATA)
return 0;
list_xbuf.lb_buf = info->mti_big_buf.lb_buf;
list_xbuf.lb_len = list_xsize;
- rc = mdo_xattr_list(env, mdd_sobj, &list_xbuf,
- mdd_object_capa(env, mdd_sobj));
+ rc = mdo_xattr_list(env, mdd_sobj, &list_xbuf);
if (rc < 0)
return rc;
rc = 0;
xname = list_xbuf.lb_buf;
while (rem > 0) {
xlen = strnlen(xname, rem - 1) + 1;
- if (strcmp(XATTR_NAME_LINK, xname) == 0 ||
- strcmp(XATTR_NAME_LMA, xname) == 0 ||
+ if (strcmp(XATTR_NAME_LMA, xname) == 0 ||
strcmp(XATTR_NAME_LMV, xname) == 0)
goto next;
!S_ISDIR(lu_object_attr(&mdd_sobj->mod_obj.mo_lu)))
goto next;
- xsize = mdo_xattr_get(env, mdd_sobj, &LU_BUF_NULL,
- xname,
- mdd_object_capa(env, mdd_sobj));
+ xsize = mdo_xattr_get(env, mdd_sobj, &LU_BUF_NULL, xname);
if (xsize == -ENODATA)
goto next;
if (xsize < 0)
xbuf.lb_len = xsize;
xbuf.lb_buf = info->mti_link_buf.lb_buf;
- rc = mdo_xattr_get(env, mdd_sobj, &xbuf, xname,
- mdd_object_capa(env, mdd_sobj));
+ rc = mdo_xattr_get(env, mdd_sobj, &xbuf, xname);
if (rc == -ENODATA)
goto next;
if (rc < 0)
if (rc != 0)
GOTO(stop_trans, rc);
- rc = mdo_xattr_set(env, mdd_tobj, &xbuf, xname, 0, handle,
- mdd_object_capa(env, mdd_sobj));
+again:
+ rc = mdo_xattr_set(env, mdd_tobj, &xbuf, xname, 0, handle);
if (rc == -EEXIST)
GOTO(stop_trans, rc = 0);
+ if (unlikely(rc == -ENOSPC &&
+ strcmp(xname, XATTR_NAME_LINK) == 0)) {
+ rc = linkea_overflow_shrink(
+ (struct linkea_data *)(xbuf.lb_buf));
+ if (likely(rc > 0)) {
+ xbuf.lb_len = rc;
+ goto again;
+ }
+ }
+
if (rc != 0)
GOTO(stop_trans, rc);
stop_trans:
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
if (rc != 0)
GOTO(out, rc);
next:
struct md_op_spec *spec,
struct lu_attr *la,
union lmv_mds_md *mgr_ea,
+ struct linkea_data *ldata,
struct thandle *handle)
{
struct lu_attr *la_flag = MDD_ENV_VAR(env, la_for_fix);
buf, 0, handle);
if (rc != 0)
return rc;
+ } else if (S_ISDIR(la->la_mode) && ldata != NULL) {
+ rc = mdd_declare_links_add(env, mdd_tobj, handle, ldata);
+ if (rc != 0)
+ return rc;
}
if (spec->u.sp_ea.eadata != NULL && spec->u.sp_ea.eadatalen != 0) {
return rc;
}
- mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_MIGRATE);
+ mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_V1);
buf = mdd_buf_get_const(env, mgr_ea, mgr_easize);
rc = mdo_declare_xattr_set(env, mdd_sobj, buf, XATTR_NAME_LMV,
0, handle);
return rc;
la_flag->la_valid = LA_FLAGS;
- la_flag->la_flags = LUSTRE_IMMUTABLE_FL;
- mdd_flags_xlate(mdd_sobj, la_flag->la_flags);
+ la_flag->la_flags = la->la_flags | LUSTRE_IMMUTABLE_FL;
rc = mdo_declare_attr_set(env, mdd_sobj, la_flag, handle);
return rc;
struct mdd_object *mdd_pobj,
struct mdd_object *mdd_sobj,
struct mdd_object *mdd_tobj,
+ const struct lu_name *lname,
struct lu_attr *la)
{
struct mdd_thread_info *info = mdd_env_info(env);
struct mdd_device *mdd = mdo2mdd(&mdd_sobj->mod_obj);
struct md_op_spec *spec = &info->mti_spec;
- struct lu_buf lmm_buf = { 0 };
- struct lu_buf link_buf = { 0 };
+ struct lu_buf lmm_buf = { NULL };
+ struct lu_buf link_buf = { NULL };
const struct lu_buf *buf;
struct thandle *handle;
struct lmv_mds_md_v1 *mgr_ea;
struct lu_attr *la_flag = MDD_ENV_VAR(env, la_for_fix);
+ struct dt_allocation_hint *hint = &mdd_env_info(env)->mti_hint;
int mgr_easize;
+ struct linkea_data *ldata = &mdd_env_info(env)->mti_link_data;
int rc;
ENTRY;
la->la_size + 1);
link_buf = *buf;
link_buf.lb_len = la->la_size + 1;
+ memset(link_buf.lb_buf, 0, link_buf.lb_len);
rc = mdd_readlink(env, &mdd_sobj->mod_obj, &link_buf);
if (rc <= 0) {
rc = rc != 0 ? rc : -EFAULT;
RETURN(rc);
}
spec->u.sp_symname = link_buf.lb_buf;
- } else{
+ } else if (S_ISREG(la->la_mode)) {
/* retrieve lov of the old object */
rc = mdd_get_lov_ea(env, mdd_sobj, &lmm_buf);
if (rc != 0 && rc != -ENODATA)
spec->u.sp_ea.eadatalen = lmm_buf.lb_len;
spec->sp_cr_flags |= MDS_OPEN_HAS_EA;
}
+ } else if (S_ISDIR(la->la_mode)) {
+ rc = mdd_links_read_with_rec(env, mdd_sobj, ldata);
+ if (rc == -ENODATA) {
+ /* ignore the non-linkEA error */
+ ldata = NULL;
+ rc = 0;
+ }
+ if (rc < 0)
+ RETURN(rc);
}
mgr_ea = (struct lmv_mds_md_v1 *)info->mti_xattr_buf;
- mgr_ea->lmv_magic = cpu_to_le32(LMV_MAGIC_MIGRATE);
+ memset(mgr_ea, 0, sizeof(*mgr_ea));
+ mgr_ea->lmv_magic = cpu_to_le32(LMV_MAGIC_V1);
mgr_ea->lmv_stripe_count = cpu_to_le32(2);
mgr_ea->lmv_master_mdt_index = mdd_seq_site(mdd)->ss_node_id;
- mgr_ea->lmv_hash_type = cpu_to_le32(LMV_HASH_TYPE_MIGRATION);
+ mgr_ea->lmv_hash_type = cpu_to_le32(LMV_HASH_FLAG_MIGRATION);
fid_cpu_to_le(&mgr_ea->lmv_stripe_fids[0], mdd_object_fid(mdd_sobj));
fid_cpu_to_le(&mgr_ea->lmv_stripe_fids[1], mdd_object_fid(mdd_tobj));
+ mdd_object_make_hint(env, mdd_pobj, mdd_tobj, la, spec, hint);
+
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_free, rc = PTR_ERR(handle));
rc = mdd_declare_migrate_create(env, mdd_pobj, mdd_sobj, mdd_tobj,
spec, la,
(union lmv_mds_md *)info->mti_xattr_buf,
- handle);
+ ldata, handle);
if (rc != 0)
GOTO(stop_trans, rc);
if (rc != 0)
GOTO(stop_trans, rc);
+ /* don't set nlink from the original object */
+ la->la_valid &= ~LA_NLINK;
+
/* create the target object */
rc = mdd_object_create(env, mdd_pobj, mdd_tobj, la, spec, NULL, NULL,
- NULL, handle);
+ hint, handle);
if (rc != 0)
GOTO(stop_trans, rc);
- if (lmm_buf.lb_buf != NULL && lmm_buf.lb_len != 0) {
- buf = mdd_buf_get_const(env, lmm_buf.lb_buf, lmm_buf.lb_len);
- rc = mdo_xattr_set(env, mdd_tobj, buf, XATTR_NAME_LOV,
- 0, handle, mdd_object_capa(env, mdd_sobj));
+ if (S_ISDIR(la->la_mode) && ldata != NULL) {
+ rc = mdd_links_write(env, mdd_tobj, ldata, handle);
if (rc != 0)
GOTO(stop_trans, rc);
}
/* Set MIGRATE EA on the source inode, so once the migration needs
* to be re-done during failover, the re-do process can locate the
* target object which is already being created. */
- mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_MIGRATE);
+ mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_V1);
buf = mdd_buf_get_const(env, mgr_ea, mgr_easize);
- rc = mdo_xattr_set(env, mdd_sobj, buf, XATTR_NAME_LMV, 0,
- handle, mdd_object_capa(env, mdd_sobj));
+ rc = mdo_xattr_set(env, mdd_sobj, buf, XATTR_NAME_LMV, 0, handle);
if (rc != 0)
GOTO(stop_trans, rc);
* IMMUTALBE flag and MIGRATE EA, it need to clear IMMUTABLE
* flag and approve the migration */
la_flag->la_valid = LA_FLAGS;
- la_flag->la_flags = LUSTRE_IMMUTABLE_FL;
- mdd_flags_xlate(mdd_sobj, la_flag->la_flags);
- rc = mdo_attr_set(env, mdd_sobj, la_flag, handle,
- mdd_object_capa(env, mdd_sobj));
+ la_flag->la_flags = la->la_flags | LUSTRE_IMMUTABLE_FL;
+ rc = mdo_attr_set(env, mdd_sobj, la_flag, handle);
stop_trans:
if (handle != NULL)
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
out_free:
if (lmm_buf.lb_buf != NULL)
OBD_FREE(lmm_buf.lb_buf, lmm_buf.lb_len);
struct thandle *handle;
struct dt_it *it;
const struct dt_it_ops *iops;
- int rc;
int result;
struct lu_dirent *ent;
+ int rc;
ENTRY;
OBD_ALLOC(ent, NAME_MAX + sizeof(*ent) + 1);
* iterate directories
*/
iops = &next->do_index_ops->dio_it;
- it = iops->init(env, next, LUDA_FID | LUDA_TYPE,
- mdd_object_capa(env, mdd_sobj));
+ it = iops->init(env, next, LUDA_FID | LUDA_TYPE);
if (IS_ERR(it))
GOTO(out_ent, rc = PTR_ERR(it));
struct mdd_object *child;
char *name = mdd_env_info(env)->mti_key;
int len;
- int recsize;
int is_dir;
bool target_exist = false;
}
fid_le_to_cpu(&ent->lde_fid, &ent->lde_fid);
- recsize = le16_to_cpu(ent->lde_reclen);
/* Insert new fid with target name into target dir */
if ((ent->lde_namelen == 1 && ent->lde_name[0] == '.') ||
if (IS_ERR(child))
GOTO(out, rc = PTR_ERR(child));
- is_dir = S_ISDIR(lu_object_attr(&child->mod_obj.mo_lu));
+ mdd_write_lock(env, child, MOR_SRC_CHILD);
+ is_dir = S_ISDIR(mdd_object_type(child));
snprintf(name, ent->lde_namelen + 1, "%s", ent->lde_name);
if (dt_try_as_dir(env, dt_tobj)) {
struct lu_fid *fid = &mdd_env_info(env)->mti_fid2;
- rc = dt_tobj->do_index_ops->dio_lookup(env, dt_tobj,
- (struct dt_rec *)fid,
- (struct dt_key *)name,
- mdd_object_capa(env, mdd_tobj));
+ rc = dt_lookup(env, dt_tobj, (struct dt_rec *)fid,
+ (struct dt_key *)name);
if (unlikely(rc == 0))
target_exist = true;
}
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
- GOTO(out, rc = PTR_ERR(handle));
+ GOTO(out_put, rc = PTR_ERR(handle));
/* Note: this transaction is part of migration, and it is not
* the last step of migration, so we set th_local = 1 to avoid
if (likely(!target_exist)) {
rc = mdo_declare_index_insert(env, mdd_tobj,
&ent->lde_fid,
+ mdd_object_type(child),
name, handle);
if (rc != 0)
GOTO(out_put, rc);
rc = mdo_declare_index_insert(env, child,
mdd_object_fid(mdd_tobj),
- dotdot, handle);
+ S_IFDIR, dotdot, handle);
if (rc != 0)
GOTO(out_put, rc);
}
- rc = mdd_linkea_declare_update_child(env, mdd_tobj,
+ rc = mdd_linkea_declare_update_child(env, mdd_sobj,mdd_tobj,
child, name,
strlen(name),
handle);
if (likely(!target_exist)) {
rc = __mdd_index_insert(env, mdd_tobj, &ent->lde_fid,
- name, is_dir, handle,
- mdd_object_capa(env, mdd_tobj));
+ mdd_object_type(child),
+ name, handle);
if (rc != 0)
GOTO(out_put, rc);
-
- if (is_dir) {
- rc = mdo_ref_add(env, mdd_tobj, handle);
- if (rc != 0)
- GOTO(out_put, rc);
-
- }
}
- rc = __mdd_index_delete(env, mdd_sobj, name, is_dir, handle,
- mdd_object_capa(env, mdd_sobj));
+ rc = __mdd_index_delete(env, mdd_sobj, name, is_dir, handle);
if (rc != 0)
GOTO(out_put, rc);
if (is_dir) {
- rc = __mdd_index_delete_only(env, child, dotdot, handle,
- mdd_object_capa(env, child));
+ rc = __mdd_index_delete_only(env, child, dotdot,
+ handle);
if (rc != 0)
GOTO(out_put, rc);
rc = __mdd_index_insert_only(env, child,
- mdd_object_fid(mdd_tobj),
- dotdot, handle,
- mdd_object_capa(env, child));
+ mdd_object_fid(mdd_tobj), S_IFDIR,
+ dotdot, handle);
if (rc != 0)
GOTO(out_put, rc);
}
- rc = mdd_linkea_update_child(env, mdd_tobj, child, name,
+ rc = mdd_linkea_update_child(env, mdd_sobj, mdd_tobj,
+ child, name,
strlen(name), handle);
out_put:
+ mdd_write_unlock(env, child);
mdd_object_put(env, child);
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
if (rc != 0)
GOTO(out, rc);
next:
struct mdd_object *mdd_pobj,
struct mdd_object *mdd_sobj,
struct mdd_object *mdd_tobj,
- struct thandle *handle,
- const struct lu_name *child_name)
+ const struct lu_name *child_name,
+ struct linkea_data *ldata,
+ struct thandle *handle)
{
return mdd_update_linkea_internal(env, mdd_pobj, mdd_sobj, mdd_tobj,
- child_name, handle, 1);
+ child_name, ldata, handle, 1);
}
static int mdd_update_linkea(const struct lu_env *env,
struct mdd_object *mdd_pobj,
struct mdd_object *mdd_sobj,
struct mdd_object *mdd_tobj,
- struct thandle *handle,
- const struct lu_name *child_name)
+ const struct lu_name *child_name,
+ struct linkea_data *ldata,
+ struct thandle *handle)
{
return mdd_update_linkea_internal(env, mdd_pobj, mdd_sobj, mdd_tobj,
- child_name, handle, 0);
+ child_name, ldata, handle, 0);
}
static int mdd_declare_migrate_update_name(const struct lu_env *env,
const struct lu_name *lname,
struct lu_attr *la,
struct lu_attr *parent_la,
+ struct linkea_data *ldata,
struct thandle *handle)
{
- struct lu_attr *la_flag = MDD_ENV_VAR(env, tattr);
- int rc;
+ struct mdd_device *mdd = mdo2mdd(&mdd_sobj->mod_obj);
+ struct lu_attr *la_flag = MDD_ENV_VAR(env, tattr);
+ int rc;
/* Revert IMMUTABLE flag */
la_flag->la_valid = LA_FLAGS;
la_flag->la_flags = la->la_flags & ~LUSTRE_IMMUTABLE_FL;
- mdd_flags_xlate(mdd_sobj, la_flag->la_flags);
rc = mdo_declare_attr_set(env, mdd_sobj, la_flag, handle);
if (rc != 0)
return rc;
if (rc != 0)
return rc;
- rc = mdd_declare_update_linkea(env, mdd_pobj, mdd_sobj,
- mdd_tobj, handle, lname);
- if (rc != 0)
- return rc;
+ if (ldata->ld_buf != NULL) {
+ rc = mdd_declare_update_linkea(env, mdd_pobj, mdd_sobj,
+ mdd_tobj, lname, ldata, handle);
+ if (rc != 0)
+ return rc;
+ }
if (S_ISREG(mdd_object_type(mdd_sobj))) {
rc = mdo_declare_xattr_del(env, mdd_sobj, XATTR_NAME_LOV,
handle);
if (rc != 0)
return rc;
+
+ handle->th_complex = 1;
+ rc = mdo_declare_xattr_set(env, mdd_tobj, NULL,
+ XATTR_NAME_FID,
+ LU_XATTR_REPLACE, handle);
+ if (rc < 0)
+ return rc;
}
if (S_ISDIR(mdd_object_type(mdd_sobj))) {
/* new name */
rc = mdo_declare_index_insert(env, mdd_pobj, mdo2fid(mdd_tobj),
+ mdd_object_type(mdd_tobj),
lname->ln_name, handle);
if (rc != 0)
return rc;
+ rc = mdd_declare_links_add(env, mdd_tobj, handle, NULL);
+ if (rc != 0)
+ return rc;
+
if (S_ISDIR(mdd_object_type(mdd_sobj))) {
rc = mdo_declare_ref_add(env, mdd_pobj, handle);
if (rc != 0)
return rc;
rc = mdo_declare_attr_set(env, mdd_pobj, parent_la, handle);
+ if (rc != 0)
+ return rc;
+
+ rc = mdd_declare_changelog_store(env, mdd, lname, NULL, handle);
return rc;
}
struct lu_attr *so_attr = MDD_ENV_VAR(env, cattr);
struct lu_attr *la_flag = MDD_ENV_VAR(env, tattr);
struct mdd_device *mdd = mdo2mdd(&mdd_sobj->mod_obj);
+ struct linkea_data *ldata = &mdd_env_info(env)->mti_link_data;
struct thandle *handle;
int is_dir = S_ISDIR(mdd_object_type(mdd_sobj));
const char *name = lname->ln_name;
p_la->la_ctime = p_la->la_mtime = ma->ma_attr.la_ctime;
p_la->la_valid = LA_CTIME;
- rc = mdd_la_get(env, mdd_sobj, so_attr, mdd_object_capa(env, mdd_sobj));
+ rc = mdd_la_get(env, mdd_sobj, so_attr);
if (rc != 0)
RETURN(rc);
+ ldata->ld_buf = NULL;
+ rc = mdd_links_read(env, mdd_sobj, ldata);
+ if (rc != 0 && rc != -ENOENT && rc != -ENODATA)
+ RETURN(rc);
+
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
rc = mdd_declare_migrate_update_name(env, mdd_pobj, mdd_sobj, mdd_tobj,
- lname, so_attr, p_la, handle);
+ lname, so_attr, p_la, ldata,
+ handle);
if (rc != 0) {
/* If the migration can not be fit in one transaction, just
* leave it in the original MDT */
/* Revert IMMUTABLE flag */
la_flag->la_valid = LA_FLAGS;
la_flag->la_flags = so_attr->la_flags & ~LUSTRE_IMMUTABLE_FL;
- mdd_flags_xlate(mdd_sobj, la_flag->la_flags);
- rc = mdo_attr_set(env, mdd_sobj, la_flag, handle,
- mdd_object_capa(env, mdd_pobj));
+ rc = mdo_attr_set(env, mdd_sobj, la_flag, handle);
if (rc != 0)
GOTO(stop_trans, rc);
/* Remove source name from source directory */
- rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle,
- mdd_object_capa(env, mdd_pobj));
+ rc = __mdd_index_delete(env, mdd_pobj, name, is_dir, handle);
if (rc != 0)
GOTO(stop_trans, rc);
- rc = mdd_update_linkea(env, mdd_pobj, mdd_sobj, mdd_tobj,
- handle, lname);
- if (rc != 0)
- GOTO(stop_trans, rc);
+ if (ldata->ld_buf != NULL) {
+ rc = mdd_update_linkea(env, mdd_pobj, mdd_sobj, mdd_tobj,
+ lname, ldata, handle);
+ if (rc != 0)
+ GOTO(stop_trans, rc);
+
+ /* linkea update might decrease the source object
+ * nlink, let's get the attr again after ref_del */
+ rc = mdd_la_get(env, mdd_sobj, so_attr);
+ if (rc != 0)
+ GOTO(stop_trans, rc);
+ }
if (S_ISREG(so_attr->la_mode)) {
if (so_attr->la_nlink == 1) {
rc = mdo_xattr_del(env, mdd_sobj, XATTR_NAME_LOV,
- handle,
- mdd_object_capa(env, mdd_sobj));
+ handle);
if (rc != 0 && rc != -ENODATA)
GOTO(stop_trans, rc);
+
+ rc = mdo_xattr_set(env, mdd_tobj, NULL,
+ XATTR_NAME_FID,
+ LU_XATTR_REPLACE, handle);
+ if (rc < 0)
+ GOTO(stop_trans, rc);
}
}
/* Insert new fid with target name into target dir */
- rc = __mdd_index_insert(env, mdd_pobj, mdd_object_fid(mdd_tobj), name,
- is_dir, handle, mdd_object_capa(env, mdd_pobj));
+ rc = __mdd_index_insert(env, mdd_pobj, mdd_object_fid(mdd_tobj),
+ mdd_object_type(mdd_tobj), name, handle);
if (rc != 0)
GOTO(stop_trans, rc);
- rc = mdd_links_add(env, mdd_tobj, mdo2fid(mdd_pobj), lname, handle,
- NULL, 1);
+ mdd_write_lock(env, mdd_sobj, MOR_TGT_CHILD);
+
+ mdd_sobj->mod_flags |= DEAD_OBJ;
+ rc = mdd_mark_orphan_object(env, mdd_sobj, handle, false);
if (rc != 0)
- GOTO(stop_trans, rc);
+ GOTO(out_unlock, rc);
+
+ rc = __mdd_orphan_add(env, mdd_sobj, handle);
+ if (rc != 0)
+ GOTO(out_unlock, rc);
- mdd_write_lock(env, mdd_sobj, MOR_SRC_CHILD);
mdo_ref_del(env, mdd_sobj, handle);
if (is_dir)
mdo_ref_del(env, mdd_sobj, handle);
/* Get the attr again after ref_del */
- rc = mdd_la_get(env, mdd_sobj, so_attr,
- mdd_object_capa(env, mdd_sobj));
+ rc = mdd_la_get(env, mdd_sobj, so_attr);
if (rc != 0)
- GOTO(stop_trans, rc);
+ GOTO(out_unlock, rc);
+
ma->ma_attr = *so_attr;
ma->ma_valid |= MA_INODE;
- rc = mdd_finish_unlink(env, mdd_sobj, ma, mdd_pobj, lname, handle);
- if (rc != 0)
- GOTO(stop_trans, rc);
rc = mdd_attr_set_internal(env, mdd_pobj, p_la, handle, 0);
if (rc != 0)
- GOTO(stop_trans, rc);
+ GOTO(out_unlock, rc);
+ rc = mdd_changelog_ns_store(env, mdd, CL_MIGRATE, 0, mdd_tobj,
+ mdo2fid(mdd_pobj), mdo2fid(mdd_sobj),
+ mdo2fid(mdd_pobj), lname, lname, handle);
+ if (rc != 0) {
+ CWARN("%s: changelog for migrate %s "DFID
+ "under "DFID" failed: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, lname->ln_name,
+ PFID(mdd_object_fid(mdd_sobj)),
+ PFID(mdd_object_fid(mdd_pobj)), rc);
+ /* Sigh, there are no easy way to migrate back the object, so
+ * let's reset the result to 0 for now XXX */
+ rc = 0;
+ }
+out_unlock:
mdd_write_unlock(env, mdd_sobj);
stop_trans:
- mdd_trans_stop(env, mdd, rc, handle);
+ rc = mdd_trans_stop(env, mdd, rc, handle);
RETURN(rc);
}
+static int mdd_fld_lookup(const struct lu_env *env, struct mdd_device *mdd,
+ const struct lu_fid *fid, __u32 *mdt_index)
+{
+ struct lu_seq_range *range = &mdd_env_info(env)->mti_range;
+ struct seq_server_site *ss;
+ int rc;
+
+ ss = mdd->mdd_md_dev.md_lu_dev.ld_site->ld_seq_site;
+
+ range->lsr_flags = LU_SEQ_RANGE_MDT;
+ rc = fld_server_lookup(env, ss->ss_server_fld, fid->f_seq, range);
+ if (rc != 0)
+ return rc;
+
+ *mdt_index = range->lsr_index;
+
+ return 0;
+}
/**
* Check whether we should migrate the file/dir
* return val
{
struct mdd_thread_info *info = mdd_env_info(env);
struct linkea_data *ldata = &info->mti_link_data;
+ struct mdd_device *mdd = mdo2mdd(&pobj->mod_obj);
int mgr_easize;
struct lu_buf *mgr_buf;
int count;
int rc;
-
+ __u64 mdt_index;
ENTRY;
- mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_MIGRATE);
+ mgr_easize = lmv_mds_md_size(2, LMV_MAGIC_V1);
mgr_buf = lu_buf_check_and_alloc(&info->mti_big_buf, mgr_easize);
if (mgr_buf->lb_buf == NULL)
RETURN(-ENOMEM);
- rc = mdo_xattr_get(env, sobj, mgr_buf, XATTR_NAME_LMV,
- mdd_object_capa(env, sobj));
+ rc = mdo_xattr_get(env, sobj, mgr_buf, XATTR_NAME_LMV);
if (rc > 0) {
union lmv_mds_md *lmm = mgr_buf->lb_buf;
* is being set by previous migration process, so it
* needs to override the IMMUTE flag, otherwise the
* following sanity check will fail */
- if (le32_to_cpu(lmm->lmv_md_v1.lmv_magic) ==
- LMV_MAGIC_MIGRATE) {
+ if (le32_to_cpu(lmm->lmv_md_v1.lmv_hash_type) &
+ LMV_HASH_FLAG_MIGRATION) {
struct mdd_device *mdd = mdo2mdd(&sobj->mod_obj);
sattr->la_flags &= ~LUSTRE_IMMUTABLE_FL;
- sobj->mod_flags &= ~IMMUTE_OBJ;
CDEBUG(D_HA, "%s: "DFID" override IMMUTE FLAG\n",
mdd2obd_dev(mdd)->obd_name,
PFID(mdd_object_fid(sobj)));
if (rc != 0) {
/* For multiple links files, if there are no linkEA data at all,
* means the file might be created before linkEA is enabled, and
- * all all of its links should not be migrated yet, otherwise
- * it should have some linkEA there */
+ * all of its links should not be migrated yet, otherwise it
+ * should have some linkEA there */
if (rc == -ENOENT || rc == -ENODATA)
RETURN(1);
RETURN(rc);
}
- /* If it is mulitple links file, we need update the name entry for
- * all parent */
+ mdt_index = mdd->mdd_md_dev.md_lu_dev.ld_site->ld_seq_site->ss_node_id;
+ /* If there are still links locally, then the file will not be
+ * migrated. */
LASSERT(ldata->ld_leh != NULL);
+
+ /* If the linkEA is overflow, then means there are some unknown name
+ * entries under unknown parents, that will prevent the migration. */
+ if (unlikely(ldata->ld_leh->leh_overflow_time))
+ RETURN(1);
+
ldata->ld_lee = (struct link_ea_entry *)(ldata->ld_leh + 1);
for (count = 0; count < ldata->ld_leh->leh_reccount; count++) {
- struct mdd_device *mdd = mdo2mdd(&sobj->mod_obj);
- struct mdd_object *lpobj;
struct lu_name lname;
struct lu_fid fid;
+ __u32 parent_mdt_index;
linkea_entry_unpack(ldata->ld_lee, &ldata->ld_reclen,
&lname, &fid);
ldata->ld_lee = (struct link_ea_entry *)((char *)ldata->ld_lee +
ldata->ld_reclen);
- lpobj = mdd_object_find(env, mdd, &fid);
- if (IS_ERR(lpobj)) {
- CWARN("%s: cannot find obj "DFID": rc = %ld\n",
- mdd2obd_dev(mdd)->obd_name, PFID(&fid),
- PTR_ERR(lpobj));
- continue;
- }
- if (!mdd_object_exists(lpobj) || mdd_object_remote(lpobj)) {
- CDEBUG(D_INFO, DFID"%.*s: is on remote MDT.\n",
- PFID(&fid), lname.ln_namelen, lname.ln_name);
- mdd_object_put(env, lpobj);
+ rc = mdd_fld_lookup(env, mdd, &fid, &parent_mdt_index);
+ if (rc != 0)
+ RETURN(rc);
+
+ /* Migrate the object only if none of its parents are on the
+ * current MDT. */
+ if (parent_mdt_index != mdt_index)
continue;
- }
CDEBUG(D_INFO, DFID"still has local entry %.*s "DFID"\n",
PFID(mdd_object_fid(sobj)), lname.ln_namelen,
lname.ln_name, PFID(&fid));
- mdd_object_put(env, lpobj);
rc = 1;
break;
}
struct mdd_object *mdd_pobj = md2mdd_obj(pobj);
struct mdd_device *mdd = mdo2mdd(pobj);
struct mdd_object *mdd_sobj = md2mdd_obj(sobj);
- struct mdd_object *mdd_tobj = NULL;
+ struct mdd_object *mdd_tobj = md2mdd_obj(tobj);
struct lu_attr *so_attr = MDD_ENV_VAR(env, cattr);
struct lu_attr *pattr = MDD_ENV_VAR(env, pattr);
+ bool created = false;
int rc;
ENTRY;
/* If the file will being migrated, it will check whether
* the file is being opened by someone else right now */
mdd_read_lock(env, mdd_sobj, MOR_SRC_CHILD);
- if (mdd_sobj->mod_count >= 1) {
- CERROR("%s: "DFID"%s is already opened count %d: rc = %d\n",
+ if (mdd_sobj->mod_count > 0) {
+ CDEBUG(D_OTHER,
+ "%s: "DFID"%s is already opened count %d: rc = %d\n",
mdd2obd_dev(mdd)->obd_name,
PFID(mdd_object_fid(mdd_sobj)), lname->ln_name,
mdd_sobj->mod_count, -EBUSY);
}
mdd_read_unlock(env, mdd_sobj);
- rc = mdd_la_get(env, mdd_sobj, so_attr, mdd_object_capa(env, mdd_sobj));
+ rc = mdd_la_get(env, mdd_sobj, so_attr);
if (rc != 0)
GOTO(put, rc);
- rc = mdd_la_get(env, mdd_pobj, pattr, BYPASS_CAPA);
+ rc = mdd_la_get(env, mdd_pobj, pattr);
if (rc != 0)
GOTO(put, rc);
/* step 1: Check whether the orphan object has been created, and create
* orphan object on the remote MDT if needed */
- mdd_tobj = md2mdd_obj(tobj);
if (!mdd_object_exists(mdd_tobj)) {
rc = mdd_migrate_create(env, mdd_pobj, mdd_sobj, mdd_tobj,
- so_attr);
+ lname, so_attr);
if (rc != 0)
GOTO(put, rc);
+ created = true;
}
+ LASSERT(mdd_object_exists(mdd_tobj));
/* step 2: migrate xattr */
rc = mdd_migrate_xattrs(env, mdd_sobj, mdd_tobj);
if (rc != 0)
if (unlikely(OBD_FAIL_CHECK_RESET(OBD_FAIL_MIGRATE_NET_REP,
OBD_FAIL_MDS_REINT_NET_REP)))
GOTO(put, rc = 0);
+ } else {
+ OBD_FAIL_TIMEOUT(OBD_FAIL_MIGRATE_DELAY, cfs_fail_val);
}
+ LASSERT(mdd_object_exists(mdd_tobj));
/* step 4: update name entry to the new object */
rc = mdd_migrate_update_name(env, mdd_pobj, mdd_sobj, mdd_tobj, lname,
ma);
if (rc != 0)
GOTO(put, rc);
+
+ /* newly created target was not locked, don't cache its attributes */
+ if (created)
+ mdd_invalidate(env, tobj);
put:
RETURN(rc);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff