+
+void obdo_from_iattr(struct obdo *oa, struct iattr *attr, unsigned int ia_valid)
+{
+ if (ia_valid & ATTR_ATIME) {
+ oa->o_atime = LTIME_S(attr->ia_atime);
+ oa->o_valid |= OBD_MD_FLATIME;
+ }
+ if (ia_valid & ATTR_MTIME) {
+ oa->o_mtime = LTIME_S(attr->ia_mtime);
+ oa->o_valid |= OBD_MD_FLMTIME;
+ }
+ if (ia_valid & ATTR_CTIME) {
+ oa->o_ctime = LTIME_S(attr->ia_ctime);
+ oa->o_valid |= OBD_MD_FLCTIME;
+ }
+ if (ia_valid & ATTR_SIZE) {
+ oa->o_size = attr->ia_size;
+ oa->o_valid |= OBD_MD_FLSIZE;
+ }
+ if (ia_valid & ATTR_MODE) {
+ oa->o_mode = attr->ia_mode;
+ oa->o_valid |= OBD_MD_FLTYPE | OBD_MD_FLMODE;
+ if (!cfs_curproc_is_in_groups(oa->o_gid) &&
+ !cfs_capable(CFS_CAP_FSETID))
+ oa->o_mode &= ~S_ISGID;
+ }
+ if (ia_valid & ATTR_UID) {
+ oa->o_uid = attr->ia_uid;
+ oa->o_valid |= OBD_MD_FLUID;
+ }
+ if (ia_valid & ATTR_GID) {
+ oa->o_gid = attr->ia_gid;
+ oa->o_valid |= OBD_MD_FLGID;
+ }
+}
+EXPORT_SYMBOL(obdo_from_iattr);
+
+void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid)
+{
+ valid &= oa->o_valid;
+
+ if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
+ CDEBUG(D_INODE, "valid "LPX64", new time "LPU64"/"LPU64"\n",
+ oa->o_valid, oa->o_mtime, oa->o_ctime);
+
+ attr->ia_valid = 0;
+ if (valid & OBD_MD_FLATIME) {
+ LTIME_S(attr->ia_atime) = oa->o_atime;
+ attr->ia_valid |= ATTR_ATIME;
+ }
+ if (valid & OBD_MD_FLMTIME) {
+ LTIME_S(attr->ia_mtime) = oa->o_mtime;
+ attr->ia_valid |= ATTR_MTIME;
+ }
+ if (valid & OBD_MD_FLCTIME) {
+ LTIME_S(attr->ia_ctime) = oa->o_ctime;
+ attr->ia_valid |= ATTR_CTIME;
+ }
+ if (valid & OBD_MD_FLSIZE) {
+ attr->ia_size = oa->o_size;
+ attr->ia_valid |= ATTR_SIZE;
+ }
+#if 0 /* you shouldn't be able to change a file's type with setattr */
+ if (valid & OBD_MD_FLTYPE) {
+ attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT);
+ attr->ia_valid |= ATTR_MODE;
+ }
+#endif
+ if (valid & OBD_MD_FLMODE) {
+ attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT);
+ attr->ia_valid |= ATTR_MODE;
+ if (!cfs_curproc_is_in_groups(oa->o_gid) &&
+ !cfs_capable(CFS_CAP_FSETID))
+ attr->ia_mode &= ~S_ISGID;
+ }
+ if (valid & OBD_MD_FLUID) {
+ attr->ia_uid = oa->o_uid;
+ attr->ia_valid |= ATTR_UID;
+ }
+ if (valid & OBD_MD_FLGID) {
+ attr->ia_gid = oa->o_gid;
+ attr->ia_valid |= ATTR_GID;
+ }
+}
+EXPORT_SYMBOL(iattr_from_obdo);
+
+void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid)
+{
+ iattr_from_obdo(&op_data->op_attr, oa, valid);
+ if (valid & OBD_MD_FLBLOCKS) {
+ op_data->op_attr_blocks = oa->o_blocks;
+ op_data->op_attr.ia_valid |= ATTR_BLOCKS;
+ }
+ if (valid & OBD_MD_FLFLAGS) {
+ ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags =
+ oa->o_flags;
+ op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
+ }
+}
+EXPORT_SYMBOL(md_from_obdo);
+
+void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
+ unsigned int valid)
+{
+ obdo_from_iattr(oa, &op_data->op_attr, valid);
+ if (valid & ATTR_BLOCKS) {
+ oa->o_blocks = op_data->op_attr_blocks;
+ oa->o_valid |= OBD_MD_FLBLOCKS;
+ }
+ if (valid & ATTR_ATTR_FLAG) {
+ oa->o_flags =
+ ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags;
+ oa->o_valid |= OBD_MD_FLFLAGS;
+ }
+}
+EXPORT_SYMBOL(obdo_from_md);