467 	u64 pos, this_len, left;  in striped_read()  local
477 	pos = off;  in striped_read()
484 	page_align = pos & ~PAGE_MASK;  in striped_read()
487 				  &ci->i_layout, pos, &this_len,  in striped_read()
495 	dout("striped_read %llu~%llu (read %u) got %d%s%s\n", pos, left, read,  in striped_read()
501 		if (was_short && (pos + ret < i_size)) {  in striped_read()
502 			int zlen = min(this_len - ret, i_size - pos - ret);  in striped_read()
505 				pos + ret, pos + ret + zlen);  in striped_read()
511 		pos += ret;  in striped_read()
512 		read = pos - off;  in striped_read()
518 		if (left && hit_stripe && pos < i_size)  in striped_read()
525 		if (pos + left > i_size)  in striped_read()
892 	loff_t pos = iocb->ki_pos;  in ceph_direct_read_write()  local
900 	     (write ? "write" : "read"), file, pos, (unsigned)count);  in ceph_direct_read_write()
902 	ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + count);  in ceph_direct_read_write()
908 					pos >> PAGE_SHIFT,  in ceph_direct_read_write()
909 					(pos + count) >> PAGE_SHIFT);  in ceph_direct_read_write()
927 					    vino, pos, &size, 0,  in ceph_direct_read_write()
953 		if (pos == iocb->ki_pos && !is_sync_kiocb(iocb) &&  in ceph_direct_read_write()
954 		    (len == count || pos + count <= i_size_read(inode))) {  in ceph_direct_read_write()
974 			truncate_inode_pages_range(inode->i_mapping, pos,  in ceph_direct_read_write()
975 					(pos+len) | (PAGE_SIZE - 1));  in ceph_direct_read_write()
994 			pos += len;  in ceph_direct_read_write()
1007 			if (ret >= 0 && ret < len && pos + ret < size) {  in ceph_direct_read_write()
1009 						 size - pos - ret);  in ceph_direct_read_write()
1024 		pos += len;  in ceph_direct_read_write()
1027 		if (!write && pos >= size)  in ceph_direct_read_write()
1030 		if (write && pos > size) {  in ceph_direct_read_write()
1031 			if (ceph_inode_set_size(inode, pos))  in ceph_direct_read_write()
1066 	if (ret != -EOLDSNAPC && pos > iocb->ki_pos) {  in ceph_direct_read_write()
1067 		ret = pos - iocb->ki_pos;  in ceph_direct_read_write()
1068 		iocb->ki_pos = pos;  in ceph_direct_read_write()
1081 ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,  in ceph_sync_write()  argument
1103 	dout("sync_write on file %p %lld~%u\n", file, pos, (unsigned)count);  in ceph_sync_write()
1105 	ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + count);  in ceph_sync_write()
1110 					    pos >> PAGE_SHIFT,  in ceph_sync_write()
1111 					    (pos + count) >> PAGE_SHIFT);  in ceph_sync_write()
1126 					    vino, pos, &len, 0, 1,  in ceph_sync_write()
1179 			pos += len;  in ceph_sync_write()
1182 			if (pos > i_size_read(inode)) {  in ceph_sync_write()
1183 				check_caps = ceph_inode_set_size(inode, pos);  in ceph_sync_write()
1195 		iocb->ki_pos = pos;  in ceph_sync_write()
1355 	loff_t pos;  in ceph_write_iter()  local
1379 	pos = iocb->ki_pos;  in ceph_write_iter()
1402 	     inode, ceph_vinop(inode), pos, count, i_size_read(inode));  in ceph_write_iter()
1408 	err = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, pos + count,  in ceph_write_iter()
1414 	     inode, ceph_vinop(inode), pos, count, ceph_cap_string(got));  in ceph_write_iter()
1441 			written = ceph_sync_write(iocb, &data, pos, snapc);  in ceph_write_iter()
1446 				pos, (unsigned)count);  in ceph_write_iter()
1461 		written = generic_perform_write(file, from, pos);  in ceph_write_iter()
1463 			iocb->ki_pos = pos + written;  in ceph_write_iter()
1479 	     inode, ceph_vinop(inode), pos, (unsigned)count,  in ceph_write_iter()
1661 		loff_t pos = offset;  in ceph_zero_objects()  local
1663 			ret = ceph_zero_partial_object(inode, pos, NULL);  in ceph_zero_objects()
1666 			pos += stripe_unit;  in ceph_zero_objects()