diff options
author | Alex Musolino <alex@musolino.id.au> | 2020-12-15 20:55:41 +1030 |
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committer | Alex Musolino <alex@musolino.id.au> | 2020-12-15 20:55:41 +1030 |
commit | 3749e92cdb88a157f99c0709a264bd508603be9b (patch) | |
tree | 49ce703965ba4114490729c5aeabd9ba120d9b78 /sys/man/4/exportfs | |
parent | 404c901f299c4d93cb159a3c44c2977a25408319 (diff) | |
parent | 32291b52bcbd6976051acff1692b571e321ac859 (diff) |
merge
Diffstat (limited to 'sys/man/4/exportfs')
-rw-r--r-- | sys/man/4/exportfs | 124 |
1 files changed, 17 insertions, 107 deletions
diff --git a/sys/man/4/exportfs b/sys/man/4/exportfs index b7cbeb979..b6108c1ab 100644 --- a/sys/man/4/exportfs +++ b/sys/man/4/exportfs @@ -1,6 +1,6 @@ .TH EXPORTFS 4 .SH NAME -exportfs, srvfs \- network file server plumbing +exportfs, srvfs \- file server plumbing .SH SYNOPSIS .B exportfs [ @@ -26,17 +26,11 @@ exportfs, srvfs \- network file server plumbing .I path .SH DESCRIPTION .I Exportfs -is a user level file server that allows Plan 9 compute servers, rather -than file servers, to export portions of a name space across networks. -The service is started either by the -.IR cpu (1) -command or by a network listener process. An initial protocol -establishes a root directory for the exported name space. -The -connection to -.I exportfs -is then mounted, typically on -.BR /mnt/term . +is a user level file server that allows Plan 9 cpu servers, rather +than file servers, to export portions of a name space. +It is usually started by other programs such as +.IR rcpu (1) +after a secure channel has been established. .I Exportfs then acts as a relay file server: operations in the imported file tree are executed on the remote server and the results returned. This @@ -44,49 +38,6 @@ gives the appearance of exporting a name space from a remote machine into a local file tree. .PP The options are: -.TF "-A \fIaddress" -.PD -.TP -.B -A \fIaddress -Use the network -.I address -to announce -.IR aan (8) -connections, -if requested by the initial protocol. -.TP -.B -a -Authenticate the user with the -.I p9any -protocol before running the regular -.I exportfs -session; used when -.I exportfs -is invoked to handle an incoming network connection. -.I Exportfs -creates a new name space for each connection, using -.B /lib/namespace -by default (see -.IR namespace (6)). -.TP -.B -B \fIaddress -Dial -.IR address , -authenticate as a -.I p9any -client, and then -serve that network connection. -Requires setting the root of the name space with -.B -r -or -.BR -s . -The remote system should run -.B import -.B -B -to handle the call. -See -.IR import (4) -for an example. .TP .B -d -f \fIdbgfile Log all 9P traffic to @@ -94,31 +45,6 @@ Log all 9P traffic to (default .BR /tmp/exportdb ). .TP -.B -e '\fIenc auth\fL' -Set the encryption and authentication algorithms to use for -encrypting the wire traffic (see -.IR ssl (3)). -The defaults are -.B rc4_256 -and -.BR sha1 . -.TP -.B -m \fImsize -Set the maximum message size that -.I exportfs -should offer to send (see -.IR version (5)); -this helps tunneled -9P connections to avoid unnecessary fragmentation. -.TP -.B -N \fInsfile -Serve the name space described by -.IR nsfile . -.TP -.B -n -Disallow mounts by user -.BR none . -.TP .B -P \fIpatternfile Restrict the set of exported files. .I Patternfile @@ -137,11 +63,11 @@ must not match. Make the served name space read only. .TP .B -r \fIroot -Bypass the initial protocol, serving the name space rooted at +Serve the name space rooted at .IR root . .TP .B -S \fIservice -bypass the initial protocol, serving the result of mounting +Serve the result of mounting .IR service . A separate mount is used for each .IR attach (5) @@ -156,28 +82,15 @@ equivalent to .B -r .BR / ; kept for compatibility. -.PD -.PP -The -.B cpu -command uses -.I exportfs -to serve device files in the terminal. The -.IR import (4) -command calls -.I exportfs -on a remote machine, permitting users to access arbitrary pieces of -name space on other systems. -.PP -Because the kernel disallows reads and writes on mounted pipes -(as might be found in -.BR /srv ), +.TP +.B -m \fImsize +Set the maximum message size that .I exportfs -calls itself (with appropriate -.B -m -and -.B -S -options) to simulate reads and writes on such files. +should offer to send (see +.IR version (5)); +this helps tunneled +9P connections to avoid unnecessary fragmentation. +.PD .PP .I Srvfs invokes @@ -251,7 +164,4 @@ cd /n/spy; ls .br .B /sys/src/cmd/srvfs.c .SH SEE ALSO -.IR dial (2), -.IR import (4), -.IR aan (8), -.IR listen (8) +.IR rcpu (1) |