Ignore:
Timestamp:
Jan 15, 2010, 8:21:06 AM (16 years ago)
Author:
Herwig Bauernfeind
Message:

Update Samba 3.3 to 3.3.10 (docs)

File:
1 edited

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  • branches/samba-3.3.x/docs/manpages/vfs_readahead.8

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     1'\" t
    12.\"     Title: vfs_readahead
    23.\"    Author: [see the "AUTHOR" section]
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    4 .\"      Date: 10/12/2009
     4.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
     5.\"      Date: 01/14/2010
    56.\"    Manual: System Administration tools
    67.\"    Source: Samba 3.3
    78.\"  Language: English
    89.\"
    9 .TH "VFS_READAHEAD" "8" "10/12/2009" "Samba 3\&.3" "System Administration tools"
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     10.TH "VFS_READAHEAD" "8" "01/14/2010" "Samba 3\&.3" "System Administration tools"
    15911.\" -----------------------------------------------------------------
    16012.\" * set default formatting
    … …  
    16719.\" * MAIN CONTENT STARTS HERE *
    16820.\" -----------------------------------------------------------------
    169 .SH "Name"
     21.SH "NAME"
    17022vfs_readahead \- pre\-load the kernel buffer cache
    171 .SH "Synopsis"
    172 .fam C
     23.SH "SYNOPSIS"
    17324.HP \w'\ 'u
    174 \FCvfs objects = readahead\F[]
    175 .fam
     25vfs objects = readahead
    17626.SH "DESCRIPTION"
    17727.PP
    … …  
    18131.PP
    18232This
    183 \FCvfs_readahead\F[]
     33vfs_readahead
    18434VFS module detects read requests at multiples of a given offset (hex 0x80000 by default) and then tells the kernel via either the readahead system call (on Linux) or the posix_fadvise system call to pre\-fetch this data into the buffer cache\&.
    18535.PP
    … …  
    18939.PP
    19040The size of the disk read operations performed by
    191 \FCvfs_readahead\F[]
     41vfs_readahead
    19242is determined by the readahead:length option\&. By default this is set to the same value as the readahead:offset option and if not set explicitly will use the current value of readahead:offset\&.
    19343.PP
    … …  
    21565.IP \(bu 2.3
    21666.\}
    217 \FCK\F[]
     67K
    21868\- BYTES is a number of kilobytes
    21969.RE
    … …  
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    22878.\}
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     79M
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    241 \FCG\F[]
     91G
    24292\- BYTES is a number of gigabytes
    24393.SH "EXAMPLES"
    … …  
    24696.RS 4
    24797.\}
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    256 
    25799        \fI[hypothetical]\fR
    258100        \m[blue]\fBvfs objects = readahead\fR\m[]
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