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);  in orangefs_writepage_locked()
65 	if (wr) {  in orangefs_writepage_locked()
66 		kfree(wr);  in orangefs_writepage_locked()
98 	struct orangefs_write_range *wrp, wr;  in orangefs_writepages_work()  local
126 	wr.uid = ow->uid;  in orangefs_writepages_work()
127 	wr.gid = ow->gid;  in orangefs_writepages_work()
129 	    0, &wr, NULL);  in orangefs_writepages_work()
165 	struct orangefs_write_range *wr;  in orangefs_writepages_callback()  local
175 	wr = (struct orangefs_write_range *)page_private(page);  in orangefs_writepages_callback()
179 		ow->off = wr->pos;  in orangefs_writepages_callback()
180 		ow->len = wr->len;  in orangefs_writepages_callback()
181 		ow->uid = wr->uid;  in orangefs_writepages_callback()
182 		ow->gid = wr->gid;  in orangefs_writepages_callback()
187 	if (!uid_eq(ow->uid, wr->uid) || !gid_eq(ow->gid, wr->gid)) {  in orangefs_writepages_callback()
193 	if (ow->off + ow->len == wr->pos) {  in orangefs_writepages_callback()
194 		ow->len += wr->len;  in orangefs_writepages_callback()
393 	struct orangefs_write_range *wr;  in orangefs_write_begin()  local
417 		struct orangefs_write_range *wr;  in orangefs_write_begin()  local
418 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_write_begin()
419 		if (wr->pos + wr->len == pos &&  in orangefs_write_begin()
420 		    uid_eq(wr->uid, current_fsuid()) &&  in orangefs_write_begin()
421 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_write_begin()
422 			wr->len += len;  in orangefs_write_begin()
431 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_write_begin()
432 	if (!wr)  in orangefs_write_begin()
435 	wr->pos = pos;  in orangefs_write_begin()
436 	wr->len = len;  in orangefs_write_begin()
437 	wr->uid = current_fsuid();  in orangefs_write_begin()
438 	wr->gid = current_fsgid();  in orangefs_write_begin()
440 	set_page_private(page, (unsigned long)wr);  in orangefs_write_begin()
485 	struct orangefs_write_range *wr;  in orangefs_invalidatepage()  local
486 	wr = (struct orangefs_write_range *)page_private(page);  in orangefs_invalidatepage()
495 	} else if (page_offset(page) + offset <= wr->pos &&  in orangefs_invalidatepage()
496 	    wr->pos + wr->len <= page_offset(page) + offset + length) {  in orangefs_invalidatepage()
505 	} else if (wr->pos < page_offset(page) + offset &&  in orangefs_invalidatepage()
506 	    wr->pos + wr->len <= page_offset(page) + offset + length &&  in orangefs_invalidatepage()
507 	     page_offset(page) + offset < wr->pos + wr->len) {  in orangefs_invalidatepage()
509 		x = wr->pos + wr->len - (page_offset(page) + offset);  in orangefs_invalidatepage()
510 		WARN_ON(x > wr->len);  in orangefs_invalidatepage()
511 		wr->len -= x;  in orangefs_invalidatepage()
512 		wr->uid = current_fsuid();  in orangefs_invalidatepage()
513 		wr->gid = current_fsgid();  in orangefs_invalidatepage()
515 	} else if (page_offset(page) + offset <= wr->pos &&  in orangefs_invalidatepage()
516 	    page_offset(page) + offset + length < wr->pos + wr->len &&  in orangefs_invalidatepage()
517 	    wr->pos < page_offset(page) + offset + length) {  in orangefs_invalidatepage()
519 		x = page_offset(page) + offset + length - wr->pos;  in orangefs_invalidatepage()
520 		WARN_ON(x > wr->len);  in orangefs_invalidatepage()
521 		wr->pos += x;  in orangefs_invalidatepage()
522 		wr->len -= x;  in orangefs_invalidatepage()
523 		wr->uid = current_fsuid();  in orangefs_invalidatepage()
524 		wr->gid = current_fsgid();  in orangefs_invalidatepage()
526 	} else if (wr->pos < page_offset(page) + offset &&  in orangefs_invalidatepage()
527 	    page_offset(page) + offset + length < wr->pos + wr->len) {  in orangefs_invalidatepage()
539 		if (!((page_offset(page) + offset + length <= wr->pos) ^  in orangefs_invalidatepage()
540 		    (wr->pos + wr->len <= page_offset(page) + offset))) {  in orangefs_invalidatepage()
545 			    wr->pos, wr->len);  in orangefs_invalidatepage()
726 	struct orangefs_write_range *wr;  in orangefs_page_mkwrite()  local
748 		wr = (struct orangefs_write_range *)page_private(page);  in orangefs_page_mkwrite()
749 		if (uid_eq(wr->uid, current_fsuid()) &&  in orangefs_page_mkwrite()
750 		    gid_eq(wr->gid, current_fsgid())) {  in orangefs_page_mkwrite()
751 			wr->pos = page_offset(page);  in orangefs_page_mkwrite()
752 			wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
761 	wr = kmalloc(sizeof *wr, GFP_KERNEL);  in orangefs_page_mkwrite()
762 	if (!wr) {  in orangefs_page_mkwrite()
766 	wr->pos = page_offset(page);  in orangefs_page_mkwrite()
767 	wr->len = PAGE_SIZE;  in orangefs_page_mkwrite()
768 	wr->uid = current_fsuid();  in orangefs_page_mkwrite()
769 	wr->gid = current_fsgid();  in orangefs_page_mkwrite()
771 	set_page_private(page, (unsigned long)wr);  in orangefs_page_mkwrite()