'\" t
.\"     Title: probe::ioblock.end
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: November 2014
.\"    Manual: IO Scheduler and block IO Tapset
.\"    Source: SystemTap Tapset Reference
.\"  Language: English
.\"
.TH "PROBE::IOBLOCK\&.END" "3stap" "November 2014" "SystemTap Tapset Reference" "IO Scheduler and block IO Taps"
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.SH "NAME"
probe::ioblock.end \- Fires whenever a block I/O transfer is complete\&.
.SH "SYNOPSIS"
.sp
.nf
ioblock\&.end 
.fi
.SH "VALUES"
.PP
None
.SH "DESCRIPTION"
.PP
.PP
\fIname\fR
\- name of the probe point
\fIdevname\fR
\- block device name
\fIino\fR
\- i\-node number of the mapped file
\fIbytes_done\fR
\- number of bytes transferred
\fIsector\fR
\- beginning sector for the entire bio
\fIflags\fR
\- see below BIO_UPTODATE 0 ok after I/O completion BIO_RW_BLOCK 1 RW_AHEAD set, and read/write would block BIO_EOF 2 out\-out\-bounds error BIO_SEG_VALID 3 nr_hw_seg valid BIO_CLONED 4 doesn\*(Aqt own data BIO_BOUNCED 5 bio is a bounce bio BIO_USER_MAPPED 6 contains user pages BIO_EOPNOTSUPP 7 not supported
\fIerror\fR
\- 0 on success
\fIrw\fR
\- binary trace for read/write request
\fIvcnt\fR
\- bio vector count which represents number of array element (page, offset, length) which makes up this I/O request
\fIidx\fR
\- offset into the bio vector array
\fIphys_segments\fR
\- number of segments in this bio after physical address coalescing is performed\&.
\fIhw_segments\fR
\- number of segments after physical and DMA remapping hardware coalescing is performed
\fIsize\fR
\- total size in bytes
.SH "CONTEXT"
.PP
The process signals the transfer is done\&.