23 	struct orangefs_write_range *wr = NULL;  in orangefs_writepage_locked()  local
34 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_writepage_locked()
35 		WARN_ON(wr->pos >= len);  in orangefs_writepage_locked()
36 		off = wr->pos;  in orangefs_writepage_locked()
37 		if (off + wr->len > len)  in orangefs_writepage_locked()
40 			wlen = wr->len;  in orangefs_writepage_locked()
59 	    len, wr, NULL, NULL);  in orangefs_writepage_locked()
94 	struct orangefs_write_range *wrp, wr;  in orangefs_writepages_work()  local
122 	wr.uid = ow->uid;  in orangefs_writepages_work()
123 	wr.gid = ow->gid;  in orangefs_writepages_work()
125 	    0, &wr, NULL, NULL);  in orangefs_writepages_work()
161 	struct orangefs_write_range *wr;  in orangefs_writepages_callback()  local
171 	wr = (struct orangefs_write_range *)page_private(page);  in orangefs_writepages_callback()
175 		ow->off = wr->pos;  in orangefs_writepages_callback()
176 		ow->len = wr->len;  in orangefs_writepages_callback()
177 		ow->uid = wr->uid;  in orangefs_writepages_callback()
178 		ow->gid = wr->gid;  in orangefs_writepages_callback()
183 	if (!uid_eq(ow->uid, wr->uid) || !gid_eq(ow->gid, wr->gid)) {  in orangefs_writepages_callback()
189 	if (ow->off + ow->len == wr->pos) {  in orangefs_writepages_callback()
190 		ow->len += wr->len;  in orangefs_writepages_callback()
329 	struct orangefs_write_range *wr;  in orangefs_write_begin()  local
355 		struct orangefs_write_range *wr;  in orangefs_write_begin()  local
356 		wr = folio_get_private(folio);  in orangefs_write_begin()
357 		if (wr->pos + wr->len == pos &&  in orangefs_write_begin()
358 		    uid_eq(wr->uid, current_fsuid()) &&  in orangefs_write_begin()
359 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_write_begin()
360 			wr->len += len;  in orangefs_write_begin()
369 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_write_begin()
370 	if (!wr)  in orangefs_write_begin()
373 	wr->pos = pos;  in orangefs_write_begin()
374 	wr->len = len;  in orangefs_write_begin()
375 	wr->uid = current_fsuid();  in orangefs_write_begin()
376 	wr->gid = current_fsgid();  in orangefs_write_begin()
377 	folio_attach_private(folio, wr);  in orangefs_write_begin()
420 	struct orangefs_write_range *wr = folio_get_private(folio);  in orangefs_invalidate_folio()  local
426 	} else if (folio_pos(folio) + offset <= wr->pos &&  in orangefs_invalidate_folio()
427 	    wr->pos + wr->len <= folio_pos(folio) + offset + length) {  in orangefs_invalidate_folio()
433 	} else if (wr->pos < folio_pos(folio) + offset &&  in orangefs_invalidate_folio()
434 	    wr->pos + wr->len <= folio_pos(folio) + offset + length &&  in orangefs_invalidate_folio()
435 	     folio_pos(folio) + offset < wr->pos + wr->len) {  in orangefs_invalidate_folio()
437 		x = wr->pos + wr->len - (folio_pos(folio) + offset);  in orangefs_invalidate_folio()
438 		WARN_ON(x > wr->len);  in orangefs_invalidate_folio()
439 		wr->len -= x;  in orangefs_invalidate_folio()
440 		wr->uid = current_fsuid();  in orangefs_invalidate_folio()
441 		wr->gid = current_fsgid();  in orangefs_invalidate_folio()
443 	} else if (folio_pos(folio) + offset <= wr->pos &&  in orangefs_invalidate_folio()
444 	    folio_pos(folio) + offset + length < wr->pos + wr->len &&  in orangefs_invalidate_folio()
445 	    wr->pos < folio_pos(folio) + offset + length) {  in orangefs_invalidate_folio()
447 		x = folio_pos(folio) + offset + length - wr->pos;  in orangefs_invalidate_folio()
448 		WARN_ON(x > wr->len);  in orangefs_invalidate_folio()
449 		wr->pos += x;  in orangefs_invalidate_folio()
450 		wr->len -= x;  in orangefs_invalidate_folio()
451 		wr->uid = current_fsuid();  in orangefs_invalidate_folio()
452 		wr->gid = current_fsgid();  in orangefs_invalidate_folio()
454 	} else if (wr->pos < folio_pos(folio) + offset &&  in orangefs_invalidate_folio()
455 	    folio_pos(folio) + offset + length < wr->pos + wr->len) {  in orangefs_invalidate_folio()
467 		if (!((folio_pos(folio) + offset + length <= wr->pos) ^  in orangefs_invalidate_folio()
468 		    (wr->pos + wr->len <= folio_pos(folio) + offset))) {  in orangefs_invalidate_folio()
473 			    wr->pos, wr->len);  in orangefs_invalidate_folio()
650 	struct orangefs_write_range *wr;  in orangefs_page_mkwrite()  local
672 		wr = folio_get_private(folio);  in orangefs_page_mkwrite()
673 		if (uid_eq(wr->uid, current_fsuid()) &&  in orangefs_page_mkwrite()
674 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_page_mkwrite()
675 			wr->pos = page_offset(vmf->page);  in orangefs_page_mkwrite()
676 			wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
685 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_page_mkwrite()
686 	if (!wr) {  in orangefs_page_mkwrite()
690 	wr->pos = page_offset(vmf->page);  in orangefs_page_mkwrite()
691 	wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
692 	wr->uid = current_fsuid();  in orangefs_page_mkwrite()
693 	wr->gid = current_fsgid();  in orangefs_page_mkwrite()
694 	folio_attach_private(folio, wr);  in orangefs_page_mkwrite()