Add the man page for nfsrahead, and add the new section to nfs.conf. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1946283 Signed-off-by: Thiago Becker <tbecker@xxxxxxxxxx> --- systemd/nfs.conf.man | 11 ++++++ tools/nfsrahead/Makefile.am | 2 + tools/nfsrahead/nfsrahead.man | 72 +++++++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+) create mode 100644 tools/nfsrahead/nfsrahead.man diff --git a/systemd/nfs.conf.man b/systemd/nfs.conf.man index be487a11..e74083e9 100644 --- a/systemd/nfs.conf.man +++ b/systemd/nfs.conf.man @@ -294,6 +294,17 @@ Only .B debug= is recognized. +.TP +.B nfsrahead +Recognized values: +.BR nfs , +.BR nfsv4 , +.BR default . + +See +.BR nfsrahead (5) +for deatils. + .SH FILES .TP 10n .I /etc/nfs.conf diff --git a/tools/nfsrahead/Makefile.am b/tools/nfsrahead/Makefile.am index d0b5d170..7342dcba 100644 --- a/tools/nfsrahead/Makefile.am +++ b/tools/nfsrahead/Makefile.am @@ -3,6 +3,8 @@ nfsrahead_SOURCES = main.c nfsrahead_LDFLAGS= -lmount nfsrahead_LDADD = ../../support/nfs/libnfsconf.la +man5_MANS = nfsrahead.man + udev_rulesdir = /etc/udev/rules.d udev_rules_DATA = 99-nfs_bdi.rules diff --git a/tools/nfsrahead/nfsrahead.man b/tools/nfsrahead/nfsrahead.man new file mode 100644 index 00000000..5488f633 --- /dev/null +++ b/tools/nfsrahead/nfsrahead.man @@ -0,0 +1,72 @@ +.\" Manpage for nfsrahead. +.nh +.ad l +.TH man 5 "08 Mar 2022" "1.0" "nfsrahead man page" +.SH NAME + +nfsrahead \- Configure the readahead for NFS mounts + +.SH SYNOPSIS + +nfsrahead [-F] [-d] <device> + +.SH DESCRIPTION + +\fInfsrahead\fR is a tool intended to be used with udev to set the \fIread_ahead_kb\fR parameter of NFS mounts, according to the configuration file (see \fICONFIGURATION\fR). \fIdevice\fR is the device number for the NFS backing device as provided by the kernel. + +.SH OPTIONS +.TP +.B -F +Send messages to +.I stderr +instead of +.I syslog + +.TP +.B -d +Increase the debugging level. + +.SH CONFIGURATION +.I nfsrahead +is configured in +.IR /etc/nfs.conf , +in the section titled +.IR nfsrahead . +It accepts the following configurations. + +.TP +.B nfs=<value> +The readahead value applied to NFSv3 mounts. + +.TP +.B nfs4=<value> +The readahead value applied to NFSv4 mounts. + +.TP +.B default=<value> +The default configuration when none of the configurations above is set. + +.SH EXAMPLE CONFIGURATION +[nfsrahead] +.br +nfs=15000 # readahead of 15000 for NFSv3 mounts +.br +nfs4=16000 # readahead of 16000 for NFSv4 mounts +.br +default=128 # default is 128 + +.SH SEE ALSO + +.BR mount.nfs (8), +.BR nfs (5), +.BR nfs.conf (5), +.BR udev (7), +.BR bcc-readahead (8) + +.SH BUGS + +No known bugs. + +.SH AUTHOR + +Thiago Rafael Becker <trbecker@xxxxxxxxx> -- 2.35.1
