Ignore:
Timestamp:
Mar 1, 2010, 3:05:48 PM (15 years ago)
Author:
Herwig Bauernfeind
Message:

Update Samba 3.3.x to 3.3.11

File:
1 edited

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

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    21.\"     Title: vfs_readahead
    32.\"    Author: [see the "AUTHOR" section]
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    65.\"    Manual: System Administration tools
    76.\"    Source: Samba 3.3
    87.\"  Language: English
    98.\"
    10 .TH "VFS_READAHEAD" "8" "01/14/2010" "Samba 3\&.3" "System Administration tools"
     9.TH "VFS_READAHEAD" "8" "02/22/2010" "Samba 3\&.3" "System Administration tools"
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    19167.\" * MAIN CONTENT STARTS HERE *
    20168.\" -----------------------------------------------------------------
    21 .SH "NAME"
     169.SH "Name"
    22170vfs_readahead \- pre\-load the kernel buffer cache
    23 .SH "SYNOPSIS"
     171.SH "Synopsis"
     172.fam C
    24173.HP \w'\ 'u
    25 vfs objects = readahead
     174\FCvfs objects = readahead\F[]
     175.fam
    26176.SH "DESCRIPTION"
    27177.PP
     
    31181.PP
    32182This
    33 vfs_readahead
     183\FCvfs_readahead\F[]
    34184VFS 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\&.
    35185.PP
     
    39189.PP
    40190The size of the disk read operations performed by
    41 vfs_readahead
     191\FCvfs_readahead\F[]
    42192is 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\&.
    43193.PP
     
    65215.IP \(bu 2.3
    66216.\}
    67 K
     217\FCK\F[]
    68218\- BYTES is a number of kilobytes
    69219.RE
     
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    78228.\}
    79 M
     229\FCM\F[]
    80230\- BYTES is a number of megabytes
    81231.RE
     
    89239.IP \(bu 2.3
    90240.\}
    91 G
     241\FCG\F[]
    92242\- BYTES is a number of gigabytes
    93243.SH "EXAMPLES"
     
    96246.RS 4
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     256
    99257        \fI[hypothetical]\fR
    100258        \m[blue]\fBvfs objects = readahead\fR\m[]
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