update man section 4

Reference: /n/atom/patch/applied2013/man4upd
Date: Thu Jun 20 02:00:03 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/man/4/fossil	Thu Jun 20 01:59:53 2013
+++ /sys/man/4/fossil	Thu Jun 20 01:59:53 2013
@@ -16,7 +16,7 @@
 ]
 [
 .B -m
-.I free-memory%
+.I free-memory-percent
 ]
 .PP
 .B fossil/flchk
@@ -210,6 +210,8 @@
 .IR fossilcons (8).
 .PP
 The options are:
+.TF "-c\fI cmd
+.PD
 .TP
 .B -D
 Toggle the debugging flag, which is initially off.
@@ -230,7 +232,7 @@
 commands.
 Typically the only commands given on the
 command line are
-.RB `` . \fIfile \fR,''
+.RB `` ".\fI file" ,''
 which executes a file containing commands,
 and
 .RB `` "srv -p" \fIcons \fR,''
@@ -249,13 +251,14 @@
 .TP
 .B -m
 Allocate
-.I free-memory%
+.I free-memory-percent
 percent of the available free RAM for buffers.
 This overrides all other memory sizing parameters,
 notably the
 .B -c
 option to
 .BR open .
+30% is a reasonable choice.
 .PD
 .PP
 .I Flchk
@@ -299,6 +302,8 @@
 should be taken with a grain of salt.
 .PP
 The options are:
+.TF "-h\fI host
+.PD
 .TP
 .B -f
 Fast mode.
@@ -335,6 +340,8 @@
 .BR snapshot ,
 as described above.
 The options are:
+.TF "-b\fI blocksize
+.PD
 .TP
 .B -y
 Yes mode.
@@ -425,7 +432,7 @@
 .EX
 fossil/flfmt /dev/sdC0/fossil
 fossil/conf -w /dev/sdC0/fossil <<EOF
-fsys main config /dev/sdC0/fossil
+fsys main config
 fsys main open -AWP
 fsys main
 create /active/adm adm sys d775
@@ -486,6 +493,7 @@
 .IR fs (4),
 .IR srv (4),
 .IR fossilcons (8),
+.IR loadfossil (8),
 .IR venti (8)
 .SH BUGS
 It is possible that the disk format (but not the Venti format)
--- /sys/man/4/fs	Thu Jun 20 01:59:53 2013
+++ /sys/man/4/fs	Thu Jun 20 01:59:53 2013
@@ -10,17 +10,19 @@
 a separate computer.
 It serves the Plan 9 protocol via the IL/IP
 protocols on Ethernets.
-The name of the main file server at Murray Hill is
-.BR emelie .
+The name of the main file server at Coraid is
+.BR wrens ,
+the backup file server is
+.BR plano .
 .PP
 The file server normally requires all users except
 .L none
 to provide authentication tickets on each
 .IR attach (5).
-This can be disabled using the
-.B noauth
-configuration command (see
-.IR fsconfig (8)).
+This can be disabled with
+.B "flag authdisable"
+at the file server console (see
+.IR fs (8)).
 .PP
 The group numbered 9999, normally called
 .BR noworld ,
@@ -37,27 +39,21 @@
 The user
 .B none
 is always allowed to attach to
-.B emelie
+.B wrens
 without authentication but has minimal permissions.
 .PP
-.B Emelie
+.B Ila
 maintains three file systems
-on a combination of disks and
-write-once-read-many (WORM) magneto-optical disks.
+on Coraid SR1521s.
 .TP
 .B other
-is a simple disk-based file system similar to
+is a simple disk-based file system simwrensr to
 .IR kfs (4) .
 .TP
 .B main
-is a worm-based file system with a disk-based
-look-aside cache.
-The disk cache holds
-modified worm blocks
-to overcome the write-once property of the worm.
-The cache also holds recently accessed
-non-modified blocks to
-speed up the effective access time of the worm.
+is a WORM file system with a read-write cache.
+Only blocks written since the last dump are in the
+cache.
 Occasionally
 (usually daily at 5AM) the modified blocks in the
 disk cache are
@@ -99,9 +95,9 @@
 .sp
 The root of the main file system
 that is frozen on the first dump
-of March 1, 1992
+of June 11, 2004
 will be named
-.B /1992/0301/
+.B /2004/0611/
 in the dump file system.
 .SH EXAMPLES
 Place the root of the
@@ -124,11 +120,11 @@
 .PP
 Make the
 .B other
-file system available in directory
-.BR /n/emelieother :
+file system avawrensble in directory
+.BR /n/other :
 .IP
 .EX
-mount -c /srv/boot /n/emelieother other
+mount -c /srv/boot /n/other other
 .EE
 .SH SOURCE
 .B /sys/src/fs
@@ -142,7 +138,10 @@
 .I
 Software \- Practice and Experience,
 December, 1991
+.br
+Erik Quanstrom
+``The Diskless Fileserver'',
+Procedings of IWP9,
+December, 2007.
 .SH BUGS
-For the moment, the file server serves both the old (third edition) and new (fourth
-edition) versions of 9P, deciding which to serve by sniffing the first packet on each
-connection.
+No MP support.
--- /sys/man/4/u9fs	Thu Jun 20 01:59:53 2013
+++ /sys/man/4/u9fs	Thu Jun 20 01:59:53 2013
@@ -26,6 +26,7 @@
 .B -u
 .I onlyuser
 ]
+.I fsroot
 .SH DESCRIPTION
 .I U9fs
 is
@@ -164,6 +165,13 @@
 This is useful in some cases when running without
 .IR inetd ;
 see the examples.
+.PP
+If
+.I fsroot
+is specified,
+.I u9fs
+will serve only that tree; othwise, it will serve the entire Unix
+file system.
 .SH EXAMPLES
 .PP
 Plan 9 calls 9P file service
@@ -183,7 +191,8 @@
 and
 .IR bind (1).
 .PP
-.I U9fs
+By default,
+.I u9fs
 serves the entire file system of the Unix machine.
 It forbids access to devices
 because the program is single-threaded and may block unpredictably.