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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-14 19:10:49 +0000 |
commit | cfe5e3905201349e9cf3f95d52ff4bd100bde37d (patch) | |
tree | d0baf160cbee3195249d095f85e52d20c21acf02 /misc-utils/fadvise.1 | |
parent | Initial commit. (diff) | |
download | util-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>
Diffstat (limited to 'misc-utils/fadvise.1')
-rw-r--r-- | misc-utils/fadvise.1 | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/misc-utils/fadvise.1 b/misc-utils/fadvise.1 new file mode 100644 index 0000000..9d26d41 --- /dev/null +++ b/misc-utils/fadvise.1 @@ -0,0 +1,102 @@ +'\" 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" "."
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