static int __mdd_lookup(const struct lu_env *env, struct md_object *pobj,
const struct lu_name *lname, struct lu_fid* fid,
int mask);
+static int mdd_declare_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct thandle *handle);
static int mdd_links_add(const struct lu_env *env,
struct mdd_object *mdd_obj,
const struct lu_fid *pfid,
RETURN(rc);
}
+int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
+ int reclen, struct thandle *handle)
+{
+ int rc;
+
+ /* XXX: this is a temporary solution to declare llog changes
+ * will be fixed in 2.3 with new llog implementation */
+
+ LASSERT(mdd->mdd_capa);
+
+ /* record itself */
+ rc = dt_declare_record_write(env, mdd->mdd_capa, reclen, 0, handle);
+ if (rc)
+ return rc;
+
+ /* header will be updated as well */
+ rc = dt_declare_record_write(env, mdd->mdd_capa, LLOG_CHUNK_SIZE,
+ 0, handle);
+ if (rc)
+ return rc;
+
+ /* also we should be able to create new plain log */
+ rc = dt_declare_create(env, mdd->mdd_capa, NULL, NULL, NULL, handle);
+ if (rc)
+ return rc;
+
+ /* new record referencing new plain llog */
+ rc = dt_declare_record_write(env, mdd->mdd_capa,
+ sizeof(struct llog_logid_rec), 0, handle);
+ if (rc)
+ return rc;
+
+ /* catalog's header will be updated as well */
+ rc = dt_declare_record_write(env, mdd->mdd_capa, LLOG_CHUNK_SIZE,
+ 0, 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)
+{
+ int reclen;
+
+ /* Not recording */
+ if (!(mdd->mdd_cl.mc_flags & CLM_ON))
+ return 0;
+
+ /* we'll be writing payload + llog header */
+ reclen = sizeof(struct llog_changelog_rec);
+ if (fname)
+ reclen += llog_data_len(fname->ln_namelen);
+
+ return mdd_declare_llog_record(env, mdd, reclen, handle);
+}
/** Store a namespace change changelog record
* If this fails, we must fail the whole transaction; we don't
return 0;
}
+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 thandle *handle)
+{
+ int rc;
+
+ rc = mdo_declare_index_insert(env, p, mdo2fid(c), name->ln_name,handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_ref_add(env, c, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, p, NULL, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, c, NULL, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_links_add(env, c, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_changelog_store(env, mdd, name, handle);
+
+ return rc;
+}
+
static int mdd_link(const struct lu_env *env, struct md_object *tgt_obj,
struct md_object *src_obj, const struct lu_name *lname,
struct md_attr *ma)
}
#endif
- mdd_txn_param_build(env, mdd, MDD_TXN_LINK_OP, 1);
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_declare_link(env, mdd, mdd_tobj, mdd_sobj, lname, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
dlh = mdd_pdo_write_lock(env, mdd_tobj, name, MOR_TGT_CHILD);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
if (rc == 0)
rc = mdd_changelog_ns_store(env, mdd, CL_HARDLINK, 0, mdd_sobj,
mdd_tobj, NULL, lname, handle);
+stop:
mdd_trans_stop(env, mdd, rc, handle);
out_pending:
#ifdef HAVE_QUOTA_SUPPORT
return rc;
}
+int mdd_declare_finish_unlink(const struct lu_env *env,
+ struct mdd_object *obj,
+ struct md_attr *ma,
+ struct thandle *handle)
+{
+ int rc;
+
+ rc = orph_declare_index_insert(env, obj, handle);
+ if (rc)
+ return rc;
+
+ return mdd_declare_object_kill(env, obj, ma, handle);
+}
+
/* caller should take a lock before calling */
int mdd_finish_unlink(const struct lu_env *env,
struct mdd_object *obj, struct md_attr *ma,
PFID(mdd_object_fid(obj)),
obj->mod_count);
} else {
- rc = mdd_object_kill(env, obj, ma);
+ rc = mdd_object_kill(env, obj, ma, th);
if (rc == 0)
reset = 0;
}
RETURN(rc);
}
+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 rc;
+
+ rc = mdo_declare_index_delete(env, p, name->ln_name, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_ref_del(env, p, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_ref_del(env, c, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_ref_del(env, c, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, p, NULL, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, c, NULL, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_finish_unlink(env, c, ma, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_links_add(env, c, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_changelog_store(env, mdd, name, handle);
+
+ return rc;
+}
+
static int mdd_unlink(const struct lu_env *env, struct md_object *pobj,
struct md_object *cobj, const struct lu_name *lname,
struct md_attr *ma)
LASSERTF(mdd_object_exists(mdd_cobj) > 0, "FID is "DFID"\n",
PFID(mdd_object_fid(mdd_cobj)));
- rc = mdd_log_txn_param_build(env, cobj, ma, MDD_TXN_UNLINK_OP, 1);
- if (rc)
- RETURN(rc);
-
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
+ rc = mdd_declare_unlink(env, mdd, mdd_pobj, mdd_cobj,
+ lname, ma, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
mdd_cobj, mdd_pobj, NULL, lname, handle);
}
+stop:
mdd_trans_stop(env, mdd, rc, handle);
#ifdef HAVE_QUOTA_SUPPORT
if (quota_opc)
int rc;
ENTRY;
+ /* XXX: this code won't be used ever:
+ * DNE uses slightly different approach */
+ LBUG();
+
#ifdef HAVE_QUOTA_SUPPORT
if (mds->mds_quota) {
if (!(ma->ma_attr_flags & MDS_QUOTA_IGNORE)) {
}
}
#endif
- mdd_txn_param_build(env, mdd, MDD_TXN_INDEX_INSERT_OP, 0);
- handle = mdd_trans_start(env, mdo2mdd(pobj));
+ handle = mdd_trans_create(env, mdo2mdd(pobj));
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_trans_start(env, mdo2mdd(pobj), handle);
+
dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
int rc;
ENTRY;
+ /* XXX: this code won't be used ever:
+ * DNE uses slightly different approach */
+ LBUG();
+
#ifdef HAVE_QUOTA_SUPPORT
if (mds->mds_quota) {
struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
}
}
#endif
- mdd_txn_param_build(env, mdd, MDD_TXN_INDEX_DELETE_OP, 0);
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_trans_start(env, mdd, handle);
+
dlh = mdd_pdo_write_lock(env, mdd_obj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
int rc;
ENTRY;
+ /* XXX: this code won't be used ever:
+ * DNE uses slightly different approach */
+ LBUG();
+
#ifdef HAVE_QUOTA_SUPPORT
if (mds->mds_quota && !tobj) {
struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
}
}
#endif
- if (tobj && mdd_object_exists(mdd_tobj))
- mdd_log_txn_param_build(env, tobj, ma, MDD_TXN_RENAME_TGT_OP,1);
- else
- mdd_txn_param_build(env, mdd, MDD_TXN_RENAME_TGT_OP, 1);
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_trans_start(env, mdd, handle);
+
dlh = mdd_pdo_write_lock(env, mdd_tpobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
}
+static int mdd_declare_create_data(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct mdd_object *obj,
+ int lmm_size,
+ struct thandle *handle)
+{
+ struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
+ int rc;
+
+ buf->lb_buf = NULL;
+ buf->lb_len = lmm_size;
+ rc = mdo_declare_xattr_set(env, obj, buf, XATTR_NAME_LOV,
+ 0, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_lov_objid_update(env, mdd, handle);
+
+ return rc;
+}
+
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)
if (rc)
RETURN(rc);
- mdd_create_txn_param_build(env, mdd, lmm, MDD_TXN_CREATE_DATA_OP, 0);
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_free, rc = PTR_ERR(handle));
+ rc = mdd_declare_create_data(env, mdd, son, lmm_size, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
/*
* XXX: Setting the lov ea is not locked but setting the attr is locked?
* Should this be fixed?
if (rc == 0)
mdd_lov_objid_update(mdd, lmm);
+stop:
mdd_trans_stop(env, mdd, rc, handle);
out_free:
/* Finish mdd_lov_create() stuff. */
RETURN(rc);
}
+int mdd_declare_object_initialize(const struct lu_env *env,
+ struct mdd_object *child,
+ struct md_attr *ma,
+ struct thandle *handle)
+{
+ int rc;
+
+ rc = mdo_declare_attr_set(env, child, &ma->ma_attr, handle);
+ if (rc == 0 && S_ISDIR(ma->ma_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);
+ }
+ if (rc == 0)
+ mdd_declare_links_add(env, child, handle);
+
+ return rc;
+}
+
int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
const struct lu_name *lname, struct mdd_object *child,
struct md_attr *ma, struct thandle *handle,
RETURN(rc);
}
+static int mdd_declare_create(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,
+ int lmm_size,
+ struct thandle *handle,
+ const struct md_op_spec *spec)
+{
+ struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
+ int rc = 0;
+
+ rc = mdd_declare_object_create_internal(env, p, c, ma, handle, spec);
+ if (rc)
+ GOTO(out, rc);
+
+ /* if dir, then can inherit default ACl */
+ buf->lb_buf = NULL;
+ buf->lb_len = lmm_size;
+ if (S_ISDIR(ma->ma_attr.la_mode)) {
+ rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_ACL_DEFAULT,
+ 0, handle);
+ if (rc == 0)
+ rc = mdo_declare_ref_add(env, p, handle);
+ }
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_ACL_ACCESS,
+ 0, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdd_declare_object_initialize(env, c, ma, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdo_declare_index_insert(env, p, mdo2fid(c),
+ name->ln_name, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = mdo_declare_xattr_set(env, c, buf, XATTR_NAME_LOV,
+ 0, handle);
+ if (rc)
+ GOTO(out, rc);
+
+ if (S_ISLNK(ma->ma_attr.la_mode)) {
+ rc = dt_declare_record_write(env, mdd_object_child(c),
+ strlen(spec->u.sp_symname), 0,
+ handle);
+ if (rc)
+ GOTO(out, rc);
+ }
+ rc = mdo_declare_attr_set(env, p, &ma->ma_attr, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_changelog_store(env, mdd, name, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_lov_objid_update(env, mdd, handle);
+
+out:
+ return rc;
+}
+
+
/*
* Create object and insert it into namespace.
*/
got_def_acl = 1;
}
- mdd_create_txn_param_build(env, mdd, lmm, MDD_TXN_MKDIR_OP, 1);
- handle = mdd_trans_start(env, mdd);
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_free, rc = PTR_ERR(handle));
+ rc = mdd_declare_create(env, mdd, mdd_pobj, son, lname, ma,
+ lmm_size, handle, spec);
+ if (rc)
+ GOTO(out_stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(out_stop, rc);
+
dlh = mdd_pdo_write_lock(env, mdd_pobj, name, MOR_TGT_PARENT);
if (dlh == NULL)
GOTO(out_trans, rc = -ENOMEM);
S_ISREG(attr->la_mode) ? CL_CREATE :
S_ISLNK(attr->la_mode) ? CL_SOFTLINK : CL_MKNOD,
0, son, mdd_pobj, NULL, lname, handle);
+out_stop:
mdd_trans_stop(env, mdd, rc, handle);
out_free:
/* finish lov_create stuff, free all temporary data */
RETURN(rc);
}
+static int mdd_declare_rename(const struct lu_env *env,
+ struct mdd_device *mdd,
+ struct mdd_object *mdd_spobj,
+ struct mdd_object *mdd_tpobj,
+ struct mdd_object *mdd_sobj,
+ struct mdd_object *mdd_tobj,
+ const struct lu_name *sname,
+ const struct lu_name *tname,
+ struct md_attr *ma,
+ struct thandle *handle)
+{
+ int rc;
+
+ LASSERT(mdd_spobj);
+ LASSERT(mdd_tpobj);
+ LASSERT(mdd_sobj);
+
+ /* name from source dir */
+ rc = mdo_declare_index_delete(env, mdd_spobj, sname->ln_name, handle);
+ if (rc)
+ return rc;
+
+ /* .. from source child */
+ if (S_ISDIR(mdd_object_type(mdd_sobj))) {
+ /* source child can be directory,
+ * counted by source dir's nlink */
+ rc = mdo_declare_ref_del(env, mdd_spobj, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_index_delete(env, mdd_sobj, dotdot, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_index_insert(env, mdd_sobj, mdo2fid(mdd_tpobj),
+ dotdot, 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)
+ return rc;
+
+ }
+
+ rc = mdo_declare_attr_set(env, mdd_spobj, NULL, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, mdd_sobj, NULL, handle);
+ if (rc)
+ return rc;
+ mdd_declare_links_add(env, mdd_sobj, handle);
+ if (rc)
+ return rc;
+
+ rc = mdo_declare_attr_set(env, mdd_tpobj, NULL, 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;
+
+ if (mdd_tobj && mdd_object_exists(mdd_tobj)) {
+ /* delete target child in target parent directory */
+ rc = mdo_declare_ref_del(env, mdd_tobj, handle);
+ if (rc)
+ return rc;
+
+ if (S_ISDIR(mdd_object_type(mdd_tobj))) {
+ /* target child can be directory,
+ * delete "." reference in target child directory */
+ rc = mdo_declare_ref_del(env, mdd_tobj, handle);
+ if (rc)
+ return rc;
+
+ /* delete ".." reference in target parent directory */
+ rc = mdo_declare_ref_del(env, mdd_tpobj, handle);
+ if (rc)
+ return rc;
+ }
+
+ rc = mdo_declare_attr_set(env, mdd_tobj, NULL, handle);
+ if (rc)
+ return rc;
+
+ mdd_declare_links_add(env, mdd_tobj, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_finish_unlink(env, mdd_tobj, ma, handle);
+ if (rc)
+ return rc;
+ }
+
+ rc = mdd_declare_changelog_store(env, mdd, tname, handle);
+ if (rc)
+ return rc;
+
+ rc = mdd_declare_changelog_store(env, mdd, sname, handle);
+ if (rc)
+ return rc;
+
+ return rc;
+}
+
/* src object can be remote that is why we use only fid and type of object */
static int mdd_rename(const struct lu_env *env,
struct md_object *src_pobj, struct md_object *tgt_pobj,
}
}
#endif
- if (tobj && mdd_object_exists(mdd_tobj))
- mdd_log_txn_param_build(env, tobj, ma, MDD_TXN_RENAME_OP, 2);
- else
- mdd_txn_param_build(env, mdd, MDD_TXN_RENAME_OP, 2);
- handle = mdd_trans_start(env, mdd);
+ mdd_sobj = mdd_object_find(env, mdd, lf);
+
+ handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
GOTO(out_pending, rc = PTR_ERR(handle));
+ rc = mdd_declare_rename(env, mdd, mdd_spobj, mdd_tpobj, mdd_sobj,
+ mdd_tobj, lsname, ltname, ma, handle);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, handle);
+ if (rc)
+ GOTO(stop, rc);
+
/* FIXME: Should consider tobj and sobj too in rename_lock. */
rc = mdd_rename_order(env, mdd, mdd_spobj, mdd_tpobj);
if (rc < 0)
if (sdlh == NULL || tdlh == NULL)
GOTO(cleanup, rc = -ENOMEM);
- mdd_sobj = mdd_object_find(env, mdd, lf);
rc = mdd_rename_sanity_check(env, mdd_spobj, mdd_tpobj,
mdd_sobj, mdd_tobj, ma);
if (rc)
ltname, handle);
}
+stop:
mdd_trans_stop(env, mdd, rc, handle);
if (mdd_sobj)
mdd_object_put(env, mdd_sobj);
return 0;
}
+static int mdd_declare_links_add(const struct lu_env *env,
+ struct mdd_object *mdd_obj,
+ struct thandle *handle)
+{
+ int rc;
+
+ /* XXX: max size? */
+ rc = mdo_declare_xattr_set(env, mdd_obj,
+ mdd_buf_get_const(env, NULL, 4096),
+ XATTR_NAME_LINK, 0, handle);
+
+ return rc;
+}
+
/* For pathologic linkers, we don't want to spend lots of time scanning the
* link ea. Limit ourseleves to something reasonable; links not in the EA
* can be looked up via (slower) parent lookup.
git://git.whamcloud.com / fs / lustre-release.git / blobdiff