<HTML ><HEAD ><TITLE >sb_len_wr</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="The Linux SCSI Generic (sg) HOWTO" HREF="index.html"><LINK REL="UP" TITLE="The sg_io_hdr_t structure in detail" HREF="sg_io_hdr_t.html"><LINK REL="PREVIOUS" TITLE="msg_status" HREF="x285.html"><LINK REL="NEXT" TITLE="host_status" HREF="x291.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Linux SCSI Generic (sg) HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x285.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 6. The sg_io_hdr_t structure in detail</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x291.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN288">6.17. sb_len_wr</H1 ><P > This is the actual number of bytes written to the user memory pointed to by 'sbp'. 'sb_len_wr' is always <= 'mx_sb_len'. Linux 2.2 series kernels (and earlier) truncate this value to a maximum of 16 bytes. The actual number of bytes written will not exceed the length indicated by "Additional Sense Length" field (byte 7) of the Request Sense response. The type of sb_len_wr is unsigned char .</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x285.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x291.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >msg_status</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sg_io_hdr_t.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >host_status</TD ></TR ></TABLE ></DIV ></BODY ></HTML >