示例#1
0
static int llog_truncate(const struct lu_env *env, struct dt_object *o)
{
	struct lu_attr		 la;
	struct thandle		*th;
	struct dt_device	*d;
	int			 rc;
	ENTRY;

	LASSERT(o);
	d = lu2dt_dev(o->do_lu.lo_dev);
	LASSERT(d);

	rc = dt_attr_get(env, o, &la);
	if (rc)
		RETURN(rc);

	CDEBUG(D_OTHER, "original size "LPU64"\n", la.la_size);
	rc = sizeof(struct llog_log_hdr) + sizeof(struct llog_mini_rec);
	if (la.la_size < rc) {
		CERROR("too small llog: "LPU64"\n", la.la_size);
		RETURN(0);
	}

	/* drop 2 records */
	la.la_size = la.la_size - (sizeof(struct llog_mini_rec) * 2);
	la.la_valid = LA_SIZE;

	th = dt_trans_create(env, d);
	if (IS_ERR(th))
		RETURN(PTR_ERR(th));

	rc = dt_declare_attr_set(env, o, &la, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_declare_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);

	rc = dt_trans_start_local(env, d, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_punch(env, o, la.la_size, OBD_OBJECT_EOF, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_attr_set(env, o, &la, th);
	if (rc)
		GOTO(stop, rc);

stop:
	dt_trans_stop(env, d, th);

	RETURN(rc);
}
示例#2
0
static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
				struct tx_arg *arg)
{
	struct dt_object	*dt_obj = arg->object;
	int			rc;

	CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
	       PFID(lu_object_fid(&dt_obj->do_lu)));

	dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
	rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th, NULL);
	dt_write_unlock(env, dt_obj);

	CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
	       dt_obd_name(th->th_dev), arg->reply, arg->index, rc);

	update_insert_reply(arg->reply, NULL, 0, arg->index, rc);

	return rc;
}
示例#3
0
static int out_tx_attr_set_exec(struct mdt_thread_info *info,
				struct thandle *th, struct tx_arg *arg)
{
	struct dt_object	*dt_obj = arg->object;
	int			rc;

	LASSERT(dt_obj != NULL && !IS_ERR(dt_obj));

	CDEBUG(D_OTHER, "attr set "DFID"\n",
	       PFID(lu_object_fid(&arg->object->do_lu)));

	dt_write_lock(info->mti_env, dt_obj, MOR_TGT_CHILD);
	rc = dt_attr_set(info->mti_env, dt_obj, &arg->u.attr_set.attr,
			 th, NULL);
	dt_write_unlock(info->mti_env, dt_obj);

	update_insert_reply(arg->reply, NULL, 0, arg->index, rc);

	return rc;
}
示例#4
0
/**
 * Set attributes of object during write bulk IO processing.
 *
 * Change object attributes and write parent FID into extended
 * attributes when needed.
 *
 * \param[in] env	execution environment
 * \param[in] ofd	OFD device
 * \param[in] ofd_obj	OFD object
 * \param[in] la	object attributes
 * \param[in] ff	parent FID
 *
 * \retval		0 on successful attributes update
 * \retval		negative value on error
 */
static int
ofd_write_attr_set(const struct lu_env *env, struct ofd_device *ofd,
		   struct ofd_object *ofd_obj, struct lu_attr *la,
		   struct filter_fid *ff)
{
	struct ofd_thread_info	*info = ofd_info(env);
	__u64			 valid = la->la_valid;
	int			 rc;
	struct thandle		*th;
	struct dt_object	*dt_obj;
	int			 ff_needed = 0;

	ENTRY;

	LASSERT(la);

	dt_obj = ofd_object_child(ofd_obj);
	LASSERT(dt_obj != NULL);

	la->la_valid &= LA_UID | LA_GID;

	rc = ofd_attr_handle_ugid(env, ofd_obj, la, 0 /* !is_setattr */);
	if (rc != 0)
		GOTO(out, rc);

	if (ff != NULL) {
		rc = ofd_object_ff_load(env, ofd_obj);
		if (rc == -ENODATA)
			ff_needed = 1;
		else if (rc < 0)
			GOTO(out, rc);
	}

	if (!la->la_valid && !ff_needed)
		/* no attributes to set */
		GOTO(out, rc = 0);

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(out, rc = PTR_ERR(th));

	if (la->la_valid) {
		rc = dt_declare_attr_set(env, dt_obj, la, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	if (ff_needed) {
		if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
			ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
		if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
			ff->ff_parent.f_oid =
			cpu_to_le32(le32_to_cpu(ff->ff_parent.f_oid) - 1);

		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_declare_xattr_set(env, dt_obj, &info->fti_buf,
					  XATTR_NAME_FID, 0, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	/* We don't need a transno for this operation which will be re-executed
	 * anyway when the OST_WRITE (with a transno assigned) is replayed */
	rc = dt_trans_start_local(env, ofd->ofd_osd , th);
	if (rc)
		GOTO(out_tx, rc);

	/* set uid/gid */
	if (la->la_valid) {
		rc = dt_attr_set(env, dt_obj, la, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	/* set filter fid EA */
	if (ff_needed) {
		if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
			GOTO(out_tx, rc);

		rc = dt_xattr_set(env, dt_obj, &info->fti_buf, XATTR_NAME_FID,
				  0, th);
		if (rc == 0) {
			ofd_obj->ofo_pfid.f_seq = le64_to_cpu(ff->ff_parent.f_seq);
			ofd_obj->ofo_pfid.f_oid = le32_to_cpu(ff->ff_parent.f_oid);
			/* Currently, the filter_fid::ff_parent::f_ver is not
			 * the real parent MDT-object's FID::f_ver, instead it
			 * is the OST-object index in its parent MDT-object's
			 * layout EA. */
			ofd_obj->ofo_pfid.f_stripe_idx =
					le32_to_cpu(ff->ff_parent.f_stripe_idx);
		}
	}

	GOTO(out_tx, rc);

out_tx:
	dt_trans_stop(env, ofd->ofd_osd, th);
out:
	la->la_valid = valid;
	return rc;
}
示例#5
0
int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
		     __u64 start, __u64 end, struct lu_attr *la,
		     struct filter_fid *ff, struct obdo *oa)
{
	struct ofd_thread_info	*info = ofd_info(env);
	struct ofd_device	*ofd = ofd_obj2dev(fo);
	struct ofd_mod_data	*fmd;
	struct dt_object	*dob = ofd_object_child(fo);
	struct thandle		*th;
	int			 ff_needed = 0;
	int			 rc;

	ENTRY;

	/* we support truncate, not punch yet */
	LASSERT(end == OBD_OBJECT_EOF);

	fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
	if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
		fmd->fmd_mactime_xid = info->fti_xid;
	ofd_fmd_put(info->fti_exp, fmd);

	ofd_write_lock(env, fo);
	if (!ofd_object_exists(fo))
		GOTO(unlock, rc = -ENOENT);

	if (ofd->ofd_lfsck_verify_pfid && oa->o_valid & OBD_MD_FLFID) {
		rc = ofd_verify_ff(env, fo, oa);
		if (rc != 0)
			GOTO(unlock, rc);
	}

	/* VBR: version recovery check */
	rc = ofd_version_get_check(info, fo);
	if (rc)
		GOTO(unlock, rc);

	rc = ofd_attr_handle_ugid(env, fo, la, 0 /* !is_setattr */);
	if (rc != 0)
		GOTO(unlock, rc);

	if (ff != NULL) {
		rc = ofd_object_ff_load(env, fo);
		if (rc == -ENODATA)
			ff_needed = 1;
		else if (rc < 0)
			GOTO(unlock, rc);
	}

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(unlock, rc = PTR_ERR(th));

	rc = dt_declare_attr_set(env, dob, la, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_declare_punch(env, dob, start, OBD_OBJECT_EOF, th);
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_declare_xattr_set(env, ofd_object_child(fo),
					  &info->fti_buf, XATTR_NAME_FID, 0,
					  th);
		if (rc)
			GOTO(stop, rc);
	}

	rc = ofd_trans_start(env, ofd, fo, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_punch(env, dob, start, OBD_OBJECT_EOF, th,
		      ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	rc = dt_attr_set(env, dob, la, th, ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
				  XATTR_NAME_FID, 0, th, BYPASS_CAPA);
		if (rc == 0) {
			fo->ofo_pfid.f_seq = le64_to_cpu(ff->ff_parent.f_seq);
			fo->ofo_pfid.f_oid = le32_to_cpu(ff->ff_parent.f_oid);
			/* Currently, the filter_fid::ff_parent::f_ver is not
			 * the real parent MDT-object's FID::f_ver, instead it
			 * is the OST-object index in its parent MDT-object's
			 * layout EA. */
			fo->ofo_pfid.f_stripe_idx =
					le32_to_cpu(ff->ff_parent.f_stripe_idx);
		}
	}

	GOTO(stop, rc);

stop:
	ofd_trans_stop(env, ofd, th, rc);
unlock:
	ofd_write_unlock(env, fo);

	return rc;
}
示例#6
0
int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
		 struct lu_attr *la, struct filter_fid *ff)
{
	struct ofd_thread_info	*info = ofd_info(env);
	struct ofd_device	*ofd = ofd_obj2dev(fo);
	struct thandle		*th;
	struct ofd_mod_data	*fmd;
	int			 ff_needed = 0;
	int			 rc;
	ENTRY;

	ofd_write_lock(env, fo);
	if (!ofd_object_exists(fo))
		GOTO(unlock, rc = -ENOENT);

	if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME)) {
		fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
		if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
			fmd->fmd_mactime_xid = info->fti_xid;
		ofd_fmd_put(info->fti_exp, fmd);
	}

	/* VBR: version recovery check */
	rc = ofd_version_get_check(info, fo);
	if (rc)
		GOTO(unlock, rc);

	rc = ofd_attr_handle_ugid(env, fo, la, 1 /* is_setattr */);
	if (rc != 0)
		GOTO(unlock, rc);

	if (ff != NULL) {
		rc = ofd_object_ff_load(env, fo);
		if (rc == -ENODATA)
			ff_needed = 1;
		else if (rc < 0)
			GOTO(unlock, rc);
	}

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(unlock, rc = PTR_ERR(th));

	rc = dt_declare_attr_set(env, ofd_object_child(fo), la, th);
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_declare_xattr_set(env, ofd_object_child(fo),
					  &info->fti_buf, XATTR_NAME_FID, 0,
					  th);
		if (rc)
			GOTO(stop, rc);
	}

	rc = ofd_trans_start(env, ofd, la->la_valid & LA_SIZE ? fo : NULL, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_attr_set(env, ofd_object_child(fo), la, th,
			 ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
				  XATTR_NAME_FID, 0, th, BYPASS_CAPA);
		if (rc == 0) {
			fo->ofo_pfid.f_seq = le64_to_cpu(ff->ff_parent.f_seq);
			fo->ofo_pfid.f_oid = le32_to_cpu(ff->ff_parent.f_oid);
			/* Currently, the filter_fid::ff_parent::f_ver is not
			 * the real parent MDT-object's FID::f_ver, instead it
			 * is the OST-object index in its parent MDT-object's
			 * layout EA. */
			fo->ofo_pfid.f_stripe_idx =
					le32_to_cpu(ff->ff_parent.f_stripe_idx);
		}
	}

	GOTO(stop, rc);

stop:
	ofd_trans_stop(env, ofd, th, rc);
unlock:
	ofd_write_unlock(env, fo);

	return rc;
}
示例#7
0
/**
 * Set attributes of object during write bulk IO processing.
 *
 * Change object attributes and write parent FID into extended
 * attributes when needed.
 *
 * \param[in] env	execution environment
 * \param[in] ofd	OFD device
 * \param[in] ofd_obj	OFD object
 * \param[in] la	object attributes
 * \param[in] oa	obdo
 *
 * \retval		0 on successful attributes update
 * \retval		negative value on error
 */
static int
ofd_write_attr_set(const struct lu_env *env, struct ofd_device *ofd,
		   struct ofd_object *ofd_obj, struct lu_attr *la,
		   struct obdo *oa)
{
	struct ofd_thread_info	*info = ofd_info(env);
	struct filter_fid	*ff = &info->fti_mds_fid;
	__u64			 valid = la->la_valid;
	struct thandle		*th;
	struct dt_object	*dt_obj;
	int			 fl = 0;
	int			 rc;

	ENTRY;

	LASSERT(la);

	dt_obj = ofd_object_child(ofd_obj);
	LASSERT(dt_obj != NULL);

	la->la_valid &= LA_UID | LA_GID | LA_PROJID;

	rc = ofd_attr_handle_id(env, ofd_obj, la, 0 /* !is_setattr */);
	if (rc != 0)
		GOTO(out, rc);

	fl = ofd_object_ff_update(env, ofd_obj, oa, ff);
	if (fl < 0)
		GOTO(out, rc = fl);

	if (!la->la_valid && !fl)
		/* no attributes to set */
		GOTO(out, rc = 0);

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(out, rc = PTR_ERR(th));

	if (la->la_valid) {
		rc = dt_declare_attr_set(env, dt_obj, la, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	if (fl) {
		if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR1))
			ff->ff_parent.f_oid = cpu_to_le32(1UL << 31);
		else if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_UNMATCHED_PAIR2))
			le32_add_cpu(&ff->ff_parent.f_oid, -1);

		rc = dt_declare_xattr_set(env, dt_obj, &info->fti_buf,
					  XATTR_NAME_FID, 0, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	/* We don't need a transno for this operation which will be re-executed
	 * anyway when the OST_WRITE (with a transno assigned) is replayed */
	rc = dt_trans_start_local(env, ofd->ofd_osd , th);
	if (rc)
		GOTO(out_tx, rc);

	/* set uid/gid/projid */
	if (la->la_valid) {
		rc = dt_attr_set(env, dt_obj, la, th);
		if (rc)
			GOTO(out_tx, rc);
	}

	/* set filter fid EA.
	 * FIXME: it holds read lock of ofd object to modify the XATTR_NAME_FID
	 * while the write lock should be held. However, it should work because
	 * write RPCs only modify ff_{parent,layout} and those information will
	 * be the same from all the write RPCs. The reason that fl is not used
	 * in dt_xattr_set() is to allow this race. */
	if (fl) {
		if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NOPFID))
			GOTO(out_tx, rc);

		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_xattr_set(env, dt_obj, &info->fti_buf, XATTR_NAME_FID,
				  0, th);
		if (rc == 0)
			filter_fid_le_to_cpu(&ofd_obj->ofo_ff, ff, sizeof(*ff));
	}

	GOTO(out_tx, rc);

out_tx:
	dt_trans_stop(env, ofd->ofd_osd, th);
out:
	la->la_valid = valid;
	return rc;
}
示例#8
0
int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
		     __u64 start, __u64 end, struct lu_attr *la,
		     struct filter_fid *ff)
{
	struct ofd_thread_info	*info = ofd_info(env);
	struct ofd_device	*ofd = ofd_obj2dev(fo);
	struct ofd_mod_data	*fmd;
	struct dt_object	*dob = ofd_object_child(fo);
	struct thandle		*th;
	int			 ff_needed = 0;
	int			 rc;

	ENTRY;

	/* we support truncate, not punch yet */
	LASSERT(end == OBD_OBJECT_EOF);

	fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
	if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
		fmd->fmd_mactime_xid = info->fti_xid;
	ofd_fmd_put(info->fti_exp, fmd);

	ofd_write_lock(env, fo);
	if (!ofd_object_exists(fo))
		GOTO(unlock, rc = -ENOENT);

	/* VBR: version recovery check */
	rc = ofd_version_get_check(info, fo);
	if (rc)
		GOTO(unlock, rc);

	rc = ofd_attr_handle_ugid(env, fo, la, 0 /* !is_setattr */);
	if (rc != 0)
		GOTO(unlock, rc);

	if (ff != NULL) {
		rc = ofd_object_ff_check(env, fo);
		if (rc == -ENODATA)
			ff_needed = 1;
		else if (rc < 0)
			GOTO(unlock, rc);
	}

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(unlock, rc = PTR_ERR(th));

	rc = dt_declare_attr_set(env, dob, la, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_declare_punch(env, dob, start, OBD_OBJECT_EOF, th);
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_declare_xattr_set(env, ofd_object_child(fo),
					  &info->fti_buf, XATTR_NAME_FID, 0,
					  th);
		if (rc)
			GOTO(stop, rc);
	}

	rc = ofd_trans_start(env, ofd, fo, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_punch(env, dob, start, OBD_OBJECT_EOF, th,
		      ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	rc = dt_attr_set(env, dob, la, th, ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	if (ff_needed)
		rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
				  XATTR_NAME_FID, 0, th, BYPASS_CAPA);

stop:
	ofd_trans_stop(env, ofd, th, rc);
unlock:
	ofd_write_unlock(env, fo);
	RETURN(rc);
}
示例#9
0
int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
		 struct lu_attr *la, struct filter_fid *ff)
{
	struct ofd_thread_info	*info = ofd_info(env);
	struct ofd_device	*ofd = ofd_obj2dev(fo);
	struct thandle		*th;
	struct ofd_mod_data	*fmd;
	int			 ff_needed = 0;
	int			 rc;
	ENTRY;

	ofd_write_lock(env, fo);
	if (!ofd_object_exists(fo))
		GOTO(unlock, rc = -ENOENT);

	if (la->la_valid & (LA_ATIME | LA_MTIME | LA_CTIME)) {
		fmd = ofd_fmd_get(info->fti_exp, &fo->ofo_header.loh_fid);
		if (fmd && fmd->fmd_mactime_xid < info->fti_xid)
			fmd->fmd_mactime_xid = info->fti_xid;
		ofd_fmd_put(info->fti_exp, fmd);
	}

	/* VBR: version recovery check */
	rc = ofd_version_get_check(info, fo);
	if (rc)
		GOTO(unlock, rc);

	rc = ofd_attr_handle_ugid(env, fo, la, 1 /* is_setattr */);
	if (rc != 0)
		GOTO(unlock, rc);

	if (ff != NULL) {
		rc = ofd_object_ff_check(env, fo);
		if (rc == -ENODATA)
			ff_needed = 1;
		else if (rc < 0)
			GOTO(unlock, rc);
	}

	th = ofd_trans_create(env, ofd);
	if (IS_ERR(th))
		GOTO(unlock, rc = PTR_ERR(th));

	rc = dt_declare_attr_set(env, ofd_object_child(fo), la, th);
	if (rc)
		GOTO(stop, rc);

	if (ff_needed) {
		info->fti_buf.lb_buf = ff;
		info->fti_buf.lb_len = sizeof(*ff);
		rc = dt_declare_xattr_set(env, ofd_object_child(fo),
					  &info->fti_buf, XATTR_NAME_FID, 0,
					  th);
		if (rc)
			GOTO(stop, rc);
	}

	rc = ofd_trans_start(env, ofd, la->la_valid & LA_SIZE ? fo : NULL, th);
	if (rc)
		GOTO(stop, rc);

	rc = dt_attr_set(env, ofd_object_child(fo), la, th,
			 ofd_object_capa(env, fo));
	if (rc)
		GOTO(stop, rc);

	if (ff_needed)
		rc = dt_xattr_set(env, ofd_object_child(fo), &info->fti_buf,
				  XATTR_NAME_FID, 0, th, BYPASS_CAPA);

stop:
	ofd_trans_stop(env, ofd, th, rc);
unlock:
	ofd_write_unlock(env, fo);
	RETURN(rc);
}
示例#10
0
文件: llog_osd.c 项目: Lezval/lustre
static int llog_osd_write_blob(const struct lu_env *env, struct dt_object *o,
			       struct llog_rec_hdr *rec, void *buf,
			       loff_t *off, struct thandle *th)
{
	struct llog_thread_info	*lgi = llog_info(env);
	int			 buflen = rec->lrh_len;
	int			 rc;

	ENTRY;

	LASSERT(env);
	LASSERT(o);

	if (buflen == 0)
		CWARN("0-length record\n");

	CDEBUG(D_OTHER, "write blob with type %x, buf %p/%u at off %llu\n",
	       rec->lrh_type, buf, buflen, *off);

	lgi->lgi_attr.la_valid = LA_SIZE;
	lgi->lgi_attr.la_size = *off;

	if (!buf) {
		lgi->lgi_buf.lb_len = buflen;
		lgi->lgi_buf.lb_buf = rec;
		rc = dt_record_write(env, o, &lgi->lgi_buf, off, th);
		if (rc)
			CERROR("%s: error writing log record: rc = %d\n",
			       o->do_lu.lo_dev->ld_obd->obd_name, rc);
		GOTO(out, rc);
	}

	/* the buf case */
	/* protect the following 3 writes from concurrent read */
	dt_write_lock(env, o, 0);
	rec->lrh_len = sizeof(*rec) + buflen + sizeof(lgi->lgi_tail);
	lgi->lgi_buf.lb_len = sizeof(*rec);
	lgi->lgi_buf.lb_buf = rec;
	rc = dt_record_write(env, o, &lgi->lgi_buf, off, th);
	if (rc) {
		CERROR("%s: error writing log hdr: rc = %d\n",
		       o->do_lu.lo_dev->ld_obd->obd_name, rc);
		GOTO(out_unlock, rc);
	}

	lgi->lgi_buf.lb_len = buflen;
	lgi->lgi_buf.lb_buf = buf;
	rc = dt_record_write(env, o, &lgi->lgi_buf, off, th);
	if (rc) {
		CERROR("%s: error writing log buffer: rc = %d\n",
		       o->do_lu.lo_dev->ld_obd->obd_name,  rc);
		GOTO(out_unlock, rc);
	}

	lgi->lgi_tail.lrt_len = rec->lrh_len;
	lgi->lgi_tail.lrt_index = rec->lrh_index;
	lgi->lgi_buf.lb_len = sizeof(lgi->lgi_tail);
	lgi->lgi_buf.lb_buf = &lgi->lgi_tail;
	rc = dt_record_write(env, o, &lgi->lgi_buf, off, th);
	if (rc)
		CERROR("%s: error writing log tail: rc = %d\n",
		       o->do_lu.lo_dev->ld_obd->obd_name, rc);

out_unlock:
	dt_write_unlock(env, o);

out:
	/* cleanup the content written above */
	if (rc) {
		dt_punch(env, o, lgi->lgi_attr.la_size, OBD_OBJECT_EOF, th,
			 BYPASS_CAPA);
		dt_attr_set(env, o, &lgi->lgi_attr, th, BYPASS_CAPA);
	}

	RETURN(rc);
}
示例#11
0
static int
ofd_write_attr_set(const struct lu_env *env, struct ofd_device *ofd,
                   struct ofd_object *ofd_obj, struct lu_attr *la,
                   struct filter_fid *ff)
{
    struct ofd_thread_info	*info = ofd_info(env);
    __u64			 valid = la->la_valid;
    int			 rc;
    struct thandle		*th;
    struct dt_object	*dt_obj;
    int			 ff_needed = 0;

    ENTRY;

    LASSERT(la);

    dt_obj = ofd_object_child(ofd_obj);
    LASSERT(dt_obj != NULL);

    la->la_valid &= LA_UID | LA_GID;

    rc = ofd_attr_handle_ugid(env, ofd_obj, la, 0 /* !is_setattr */);
    if (rc != 0)
        GOTO(out, rc);

    if (ff != NULL) {
        rc = ofd_object_ff_check(env, ofd_obj);
        if (rc == -ENODATA)
            ff_needed = 1;
        else if (rc < 0)
            GOTO(out, rc);
    }

    if (!la->la_valid && !ff_needed)
        /* no attributes to set */
        GOTO(out, rc = 0);

    th = ofd_trans_create(env, ofd);
    if (IS_ERR(th))
        GOTO(out, rc = PTR_ERR(th));

    if (la->la_valid) {
        rc = dt_declare_attr_set(env, dt_obj, la, th);
        if (rc)
            GOTO(out_tx, rc);
    }

    if (ff_needed) {
        info->fti_buf.lb_buf = ff;
        info->fti_buf.lb_len = sizeof(*ff);
        rc = dt_declare_xattr_set(env, dt_obj, &info->fti_buf,
                                  XATTR_NAME_FID, 0, th);
        if (rc)
            GOTO(out_tx, rc);
    }

    /* We don't need a transno for this operation which will be re-executed
     * anyway when the OST_WRITE (with a transno assigned) is replayed */
    rc = dt_trans_start_local(env, ofd->ofd_osd , th);
    if (rc)
        GOTO(out_tx, rc);

    /* set uid/gid */
    if (la->la_valid) {
        rc = dt_attr_set(env, dt_obj, la, th,
                         ofd_object_capa(env, ofd_obj));
        if (rc)
            GOTO(out_tx, rc);
    }

    /* set filter fid EA */
    if (ff_needed) {
        rc = dt_xattr_set(env, dt_obj, &info->fti_buf, XATTR_NAME_FID,
                          0, th, BYPASS_CAPA);
        if (rc)
            GOTO(out_tx, rc);
    }

    EXIT;
out_tx:
    dt_trans_stop(env, ofd->ofd_osd, th);
out:
    la->la_valid = valid;
    return rc;
}