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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:10:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:10:49 +0000
commitcfe5e3905201349e9cf3f95d52ff4bd100bde37d (patch)
treed0baf160cbee3195249d095f85e52d20c21acf02 /misc-utils/fadvise.1
parentInitial commit. (diff)
downloadutil-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.tar.xz
util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.zip
Adding upstream version 2.39.3.upstream/2.39.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+'\" t
+.\" Title: fadvise
+.\" Author: [see the "AUTHOR(S)" section]
+.\" Generator: Asciidoctor 2.0.20
+.\" Date: 2023-11-21
+.\" Manual: User Commands
+.\" Source: util-linux 2.39.3
+.\" Language: English
+.\"
+.TH "FADVISE" "1" "2023-11-21" "util\-linux 2.39.3" "User Commands"
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.ss \n[.ss] 0
+.nh
+.ad l
+.de URL
+\fI\\$2\fP <\\$1>\\$3
+..
+.als MTO URL
+.if \n[.g] \{\
+. mso www.tmac
+. am URL
+. ad l
+. .
+. am MTO
+. ad l
+. .
+. LINKSTYLE blue R < >
+.\}
+.SH "NAME"
+fadvise \- utility to use the posix_fadvise system call
+.SH "SYNOPSIS"
+.sp
+\fBfadvise\fP [\fB\-a\fP \fIadvice\fP] [\fB\-o\fP \fIoffset\fP] [\fB\-l\fP \fIlength\fP] \fIfilename\fP
+.sp
+\fBfadvise\fP [\fB\-a\fP \fIadvice\fP] [\fB\-o\fP \fIoffset\fP] [\fB\-l\fP \fIlength\fP] \-d \fIfile\-descriptor\fP
+.SH "DESCRIPTION"
+.sp
+\fBfadvise\fP is a simple command wrapping posix_fadvise system call
+that is for predeclaring an access pattern for file data.
+.SH "OPTIONS"
+.sp
+\fB\-d\fP, \fB\-\-fd\fP \fIfile\-descriptor\fP
+.RS 4
+Apply the advice to the file specified with the file descriptor instead
+of open a file specified with a file name.
+.RE
+.sp
+\fB\-a\fP, \fB\-\-advice\fP \fIadvice\fP
+.RS 4
+See the command output with \fB\-\-help\fP option for available values for
+advice. If this option is omitted, "dontneed" is used as default advice.
+.RE
+.sp
+\fB\-o\fP, \fB\-\-offset\fP \fIoffset\fP
+.RS 4
+Specifies the beginning offset of the range, in bytes.
+If this option is omitted, 0 is used as default advice.
+.RE
+.sp
+\fB\-l\fP, \fB\-\-length\fP \fIlength\fP
+.RS 4
+Specifies the length of the range, in bytes.
+If this option is omitted, 0 is used as default advice.
+.RE
+.sp
+\fB\-h\fP, \fB\-\-help\fP
+.RS 4
+Display help text and exit.
+.RE
+.sp
+\fB\-V\fP, \fB\-\-version\fP
+.RS 4
+Print version and exit.
+.RE
+.SH "EXIT STATUS"
+.sp
+\fBfadvise\fP has the following exit status values:
+.sp
+\fB0\fP
+.RS 4
+success
+.RE
+.sp
+\fB1\fP
+.RS 4
+unspecified failure
+.RE
+.SH "AUTHORS"
+.sp
+.MTO "yamato\(atredhat.com" "Masatake YAMATO" ""
+.SH "SEE ALSO"
+.sp
+\fBposix_fadvise\fP(2)
+.SH "REPORTING BUGS"
+.sp
+For bug reports, use the issue tracker at \c
+.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
+.SH "AVAILABILITY"
+.sp
+The \fBfadvise\fP command is part of the util\-linux package which can be downloaded from \c
+.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "." \ No newline at end of file