22 	struct orangefs_write_range *wr = NULL;  in orangefs_writepage_locked()  local
33 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_writepage_locked()
34 		WARN_ON(wr->pos >= len);  in orangefs_writepage_locked()
35 		off = wr->pos;  in orangefs_writepage_locked()
36 		if (off + wr->len > len)  in orangefs_writepage_locked()
39 			wlen = wr->len;  in orangefs_writepage_locked()
58 	    len, wr, NULL, NULL);  in orangefs_writepage_locked()
93 	struct orangefs_write_range *wrp, wr;  in orangefs_writepages_work()  local
121 	wr.uid = ow->uid;  in orangefs_writepages_work()
122 	wr.gid = ow->gid;  in orangefs_writepages_work()
124 	    0, &wr, NULL, NULL);  in orangefs_writepages_work()
160 	struct orangefs_write_range *wr;  in orangefs_writepages_callback()  local
170 	wr = (struct orangefs_write_range *)page_private(page);  in orangefs_writepages_callback()
174 		ow->off = wr->pos;  in orangefs_writepages_callback()
175 		ow->len = wr->len;  in orangefs_writepages_callback()
176 		ow->uid = wr->uid;  in orangefs_writepages_callback()
177 		ow->gid = wr->gid;  in orangefs_writepages_callback()
182 	if (!uid_eq(ow->uid, wr->uid) || !gid_eq(ow->gid, wr->gid)) {  in orangefs_writepages_callback()
188 	if (ow->off + ow->len == wr->pos) {  in orangefs_writepages_callback()
189 		ow->len += wr->len;  in orangefs_writepages_callback()
361 	struct orangefs_write_range *wr;  in orangefs_write_begin()  local
385 		struct orangefs_write_range *wr;  in orangefs_write_begin()  local
386 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_write_begin()
387 		if (wr->pos + wr->len == pos &&  in orangefs_write_begin()
388 		    uid_eq(wr->uid, current_fsuid()) &&  in orangefs_write_begin()
389 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_write_begin()
390 			wr->len += len;  in orangefs_write_begin()
399 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_write_begin()
400 	if (!wr)  in orangefs_write_begin()
403 	wr->pos = pos;  in orangefs_write_begin()
404 	wr->len = len;  in orangefs_write_begin()
405 	wr->uid = current_fsuid();  in orangefs_write_begin()
406 	wr->gid = current_fsgid();  in orangefs_write_begin()
407 	attach_page_private(page, wr);  in orangefs_write_begin()
451 	struct orangefs_write_range *wr;  in orangefs_invalidatepage()  local
452 	wr = (struct orangefs_write_range *)page_private(page);  in orangefs_invalidatepage()
458 	} else if (page_offset(page) + offset <= wr->pos &&  in orangefs_invalidatepage()
459 	    wr->pos + wr->len <= page_offset(page) + offset + length) {  in orangefs_invalidatepage()
465 	} else if (wr->pos < page_offset(page) + offset &&  in orangefs_invalidatepage()
466 	    wr->pos + wr->len <= page_offset(page) + offset + length &&  in orangefs_invalidatepage()
467 	     page_offset(page) + offset < wr->pos + wr->len) {  in orangefs_invalidatepage()
469 		x = wr->pos + wr->len - (page_offset(page) + offset);  in orangefs_invalidatepage()
470 		WARN_ON(x > wr->len);  in orangefs_invalidatepage()
471 		wr->len -= x;  in orangefs_invalidatepage()
472 		wr->uid = current_fsuid();  in orangefs_invalidatepage()
473 		wr->gid = current_fsgid();  in orangefs_invalidatepage()
475 	} else if (page_offset(page) + offset <= wr->pos &&  in orangefs_invalidatepage()
476 	    page_offset(page) + offset + length < wr->pos + wr->len &&  in orangefs_invalidatepage()
477 	    wr->pos < page_offset(page) + offset + length) {  in orangefs_invalidatepage()
479 		x = page_offset(page) + offset + length - wr->pos;  in orangefs_invalidatepage()
480 		WARN_ON(x > wr->len);  in orangefs_invalidatepage()
481 		wr->pos += x;  in orangefs_invalidatepage()
482 		wr->len -= x;  in orangefs_invalidatepage()
483 		wr->uid = current_fsuid();  in orangefs_invalidatepage()
484 		wr->gid = current_fsgid();  in orangefs_invalidatepage()
486 	} else if (wr->pos < page_offset(page) + offset &&  in orangefs_invalidatepage()
487 	    page_offset(page) + offset + length < wr->pos + wr->len) {  in orangefs_invalidatepage()
499 		if (!((page_offset(page) + offset + length <= wr->pos) ^  in orangefs_invalidatepage()
500 		    (wr->pos + wr->len <= page_offset(page) + offset))) {  in orangefs_invalidatepage()
505 			    wr->pos, wr->len);  in orangefs_invalidatepage()
681 	struct orangefs_write_range *wr;  in orangefs_page_mkwrite()  local
703 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_page_mkwrite()
704 		if (uid_eq(wr->uid, current_fsuid()) &&  in orangefs_page_mkwrite()
705 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_page_mkwrite()
706 			wr->pos = page_offset(page);  in orangefs_page_mkwrite()
707 			wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
716 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_page_mkwrite()
717 	if (!wr) {  in orangefs_page_mkwrite()
721 	wr->pos = page_offset(page);  in orangefs_page_mkwrite()
722 	wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
723 	wr->uid = current_fsuid();  in orangefs_page_mkwrite()
724 	wr->gid = current_fsgid();  in orangefs_page_mkwrite()
725 	attach_page_private(page, wr);  in orangefs_page_mkwrite()