예제 #1
0
/*
 * Set the attributes of an object
 *
 * The transaction passed to this routine must have
 * dmu_tx_hold_bonus(tx, oid) called and then assigned
 * to a transaction group.
 */
static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
			const struct lu_attr *la, struct thandle *handle,
			struct lustre_capa *capa)
{
	struct osd_object	*obj = osd_dt_obj(dt);
	struct osd_device	*osd = osd_obj2dev(obj);
	udmu_objset_t		*uos = &osd->od_objset;
	struct osd_thandle	*oh;
	struct osa_attr		*osa = &osd_oti_get(env)->oti_osa;
	sa_bulk_attr_t		*bulk;
	int			 cnt;
	int			 rc = 0;

	ENTRY;
	LASSERT(handle != NULL);
	LASSERT(dt_object_exists(dt));
	LASSERT(osd_invariant(obj));
	LASSERT(obj->oo_sa_hdl);

	oh = container_of0(handle, struct osd_thandle, ot_super);
	/* Assert that the transaction has been assigned to a
	   transaction group. */
	LASSERT(oh->ot_tx->tx_txg != 0);

	if (la->la_valid == 0)
		RETURN(0);

	OBD_ALLOC(bulk, sizeof(sa_bulk_attr_t) * 10);
	if (bulk == NULL)
		RETURN(-ENOMEM);

	/* do both accounting updates outside oo_attr_lock below */
	if ((la->la_valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
		/* Update user accounting. Failure isn't fatal, but we still
		 * log an error message */
		rc = -zap_increment_int(osd->od_objset.os, osd->od_iusr_oid,
					la->la_uid, 1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname, la->la_uid, rc);
		rc = -zap_increment_int(osd->od_objset.os, osd->od_iusr_oid,
					obj->oo_attr.la_uid, -1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname,
				obj->oo_attr.la_uid, rc);
	}
	if ((la->la_valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
		/* Update group accounting. Failure isn't fatal, but we still
		 * log an error message */
		rc = -zap_increment_int(osd->od_objset.os, osd->od_igrp_oid,
					la->la_gid, 1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname, la->la_gid, rc);
		rc = -zap_increment_int(osd->od_objset.os, osd->od_igrp_oid,
					obj->oo_attr.la_gid, -1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname,
				obj->oo_attr.la_gid, rc);
	}

	write_lock(&obj->oo_attr_lock);
	cnt = 0;
	if (la->la_valid & LA_ATIME) {
		osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(uos), NULL,
				 osa->atime, 16);
	}
	if (la->la_valid & LA_MTIME) {
		osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(uos), NULL,
				 osa->mtime, 16);
	}
	if (la->la_valid & LA_CTIME) {
		osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(uos), NULL,
				 osa->ctime, 16);
	}
	if (la->la_valid & LA_MODE) {
		/* mode is stored along with type, so read it first */
		obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
			(la->la_mode & ~S_IFMT);
		osa->mode = obj->oo_attr.la_mode;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(uos), NULL,
				 &osa->mode, 8);
	}
	if (la->la_valid & LA_SIZE) {
		osa->size = obj->oo_attr.la_size = la->la_size;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(uos), NULL,
				 &osa->size, 8);
	}
	if (la->la_valid & LA_NLINK) {
		osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(uos), NULL,
				 &osa->nlink, 8);
	}
	if (la->la_valid & LA_RDEV) {
		osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(uos), NULL,
				 &osa->rdev, 8);
	}
	if (la->la_valid & LA_FLAGS) {
		osa->flags = obj->oo_attr.la_flags = la->la_flags;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(uos), NULL,
				 &osa->flags, 8);
	}
	if (la->la_valid & LA_UID) {
		osa->uid = obj->oo_attr.la_uid = la->la_uid;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(uos), NULL,
				 &osa->uid, 8);
	}
	if (la->la_valid & LA_GID) {
		osa->gid = obj->oo_attr.la_gid = la->la_gid;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(uos), NULL,
				 &osa->gid, 8);
	}
	obj->oo_attr.la_valid |= la->la_valid;
	write_unlock(&obj->oo_attr_lock);

	rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);

	OBD_FREE(bulk, sizeof(sa_bulk_attr_t) * 10);
	RETURN(rc);
}
예제 #2
0
/*
 * Set the attributes of an object
 *
 * The transaction passed to this routine must have
 * dmu_tx_hold_bonus(tx, oid) called and then assigned
 * to a transaction group.
 */
static int osd_attr_set(const struct lu_env *env, struct dt_object *dt,
			const struct lu_attr *la, struct thandle *handle)
{
	struct osd_thread_info	*info = osd_oti_get(env);
	sa_bulk_attr_t		*bulk = osd_oti_get(env)->oti_attr_bulk;
	struct osd_object	*obj = osd_dt_obj(dt);
	struct osd_device	*osd = osd_obj2dev(obj);
	struct osd_thandle	*oh;
	struct osa_attr		*osa = &info->oti_osa;
	__u64			 valid = la->la_valid;
	int			 cnt;
	int			 rc = 0;

	ENTRY;

	down_read(&obj->oo_guard);
	if (unlikely(!dt_object_exists(dt) || obj->oo_destroyed))
		GOTO(out, rc = -ENOENT);

	LASSERT(handle != NULL);
	LASSERT(osd_invariant(obj));
	LASSERT(obj->oo_sa_hdl);

	oh = container_of0(handle, struct osd_thandle, ot_super);
	/* Assert that the transaction has been assigned to a
	   transaction group. */
	LASSERT(oh->ot_tx->tx_txg != 0);

	/* Only allow set size for regular file */
	if (!S_ISREG(dt->do_lu.lo_header->loh_attr))
		valid &= ~(LA_SIZE | LA_BLOCKS);

	if (valid & LA_CTIME && la->la_ctime == obj->oo_attr.la_ctime)
		valid &= ~LA_CTIME;

	if (valid & LA_MTIME && la->la_mtime == obj->oo_attr.la_mtime)
		valid &= ~LA_MTIME;

	if (valid & LA_ATIME && la->la_atime == obj->oo_attr.la_atime)
		valid &= ~LA_ATIME;

	if (valid == 0)
		GOTO(out, rc = 0);

	if (valid & LA_FLAGS) {
		struct lustre_mdt_attrs *lma;
		struct lu_buf buf;

		if (la->la_flags & LUSTRE_LMA_FL_MASKS) {
			CLASSERT(sizeof(info->oti_buf) >= sizeof(*lma));
			lma = (struct lustre_mdt_attrs *)&info->oti_buf;
			buf.lb_buf = lma;
			buf.lb_len = sizeof(info->oti_buf);
			rc = osd_xattr_get(env, &obj->oo_dt, &buf,
					   XATTR_NAME_LMA);
			if (rc > 0) {
				lma->lma_incompat =
					le32_to_cpu(lma->lma_incompat);
				lma->lma_incompat |=
					lustre_to_lma_flags(la->la_flags);
				lma->lma_incompat =
					cpu_to_le32(lma->lma_incompat);
				buf.lb_buf = lma;
				buf.lb_len = sizeof(*lma);
				rc = osd_xattr_set_internal(env, obj, &buf,
							    XATTR_NAME_LMA,
							    LU_XATTR_REPLACE,
							    oh);
			}
			if (rc < 0) {
				CWARN("%s: failed to set LMA flags: rc = %d\n",
				       osd->od_svname, rc);
				RETURN(rc);
			}
		}
	}

	/* do both accounting updates outside oo_attr_lock below */
	if ((valid & LA_UID) && (la->la_uid != obj->oo_attr.la_uid)) {
		/* Update user accounting. Failure isn't fatal, but we still
		 * log an error message */
		rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
					la->la_uid, 1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname, la->la_uid, rc);
		rc = -zap_increment_int(osd->od_os, osd->od_iusr_oid,
					obj->oo_attr.la_uid, -1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname,
				obj->oo_attr.la_uid, rc);
	}
	if ((valid & LA_GID) && (la->la_gid != obj->oo_attr.la_gid)) {
		/* Update group accounting. Failure isn't fatal, but we still
		 * log an error message */
		rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
					la->la_gid, 1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname, la->la_gid, rc);
		rc = -zap_increment_int(osd->od_os, osd->od_igrp_oid,
					obj->oo_attr.la_gid, -1, oh->ot_tx);
		if (rc)
			CERROR("%s: failed to update accounting ZAP for user "
				"%d (%d)\n", osd->od_svname,
				obj->oo_attr.la_gid, rc);
	}

	write_lock(&obj->oo_attr_lock);
	cnt = 0;
	if (valid & LA_ATIME) {
		osa->atime[0] = obj->oo_attr.la_atime = la->la_atime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_ATIME(osd), NULL,
				 osa->atime, 16);
	}
	if (valid & LA_MTIME) {
		osa->mtime[0] = obj->oo_attr.la_mtime = la->la_mtime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MTIME(osd), NULL,
				 osa->mtime, 16);
	}
	if (valid & LA_CTIME) {
		osa->ctime[0] = obj->oo_attr.la_ctime = la->la_ctime;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_CTIME(osd), NULL,
				 osa->ctime, 16);
	}
	if (valid & LA_MODE) {
		/* mode is stored along with type, so read it first */
		obj->oo_attr.la_mode = (obj->oo_attr.la_mode & S_IFMT) |
			(la->la_mode & ~S_IFMT);
		osa->mode = obj->oo_attr.la_mode;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_MODE(osd), NULL,
				 &osa->mode, 8);
	}
	if (valid & LA_SIZE) {
		osa->size = obj->oo_attr.la_size = la->la_size;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_SIZE(osd), NULL,
				 &osa->size, 8);
	}
	if (valid & LA_NLINK) {
		osa->nlink = obj->oo_attr.la_nlink = la->la_nlink;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_LINKS(osd), NULL,
				 &osa->nlink, 8);
	}
	if (valid & LA_RDEV) {
		osa->rdev = obj->oo_attr.la_rdev = la->la_rdev;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_RDEV(osd), NULL,
				 &osa->rdev, 8);
	}
	if (valid & LA_FLAGS) {
		osa->flags = attrs_fs2zfs(la->la_flags);
		/* many flags are not supported by zfs, so ensure a good cached
		 * copy */
		obj->oo_attr.la_flags = attrs_zfs2fs(osa->flags);
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_FLAGS(osd), NULL,
				 &osa->flags, 8);
	}
	if (valid & LA_UID) {
		osa->uid = obj->oo_attr.la_uid = la->la_uid;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_UID(osd), NULL,
				 &osa->uid, 8);
	}
	if (valid & LA_GID) {
		osa->gid = obj->oo_attr.la_gid = la->la_gid;
		SA_ADD_BULK_ATTR(bulk, cnt, SA_ZPL_GID(osd), NULL,
				 &osa->gid, 8);
	}
	obj->oo_attr.la_valid |= valid;
	write_unlock(&obj->oo_attr_lock);

	LASSERT(cnt <= ARRAY_SIZE(osd_oti_get(env)->oti_attr_bulk));
	rc = osd_object_sa_bulk_update(obj, bulk, cnt, oh);

out:
	up_read(&obj->oo_guard);
	RETURN(rc);
}