From 0dc9aa845c20ed1f46c85f229591b811dffc4b3b Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Wed, 19 Aug 2009 16:10:16 +0100 Subject: [PATCH] AFS: Documentation updates Fix some issues with the AFS documentation, found when testing AFS on ppc64: - Update AFS features: reading/writing, local caching - Typo in kafs sysfs debug file - Use modprobe instead of insmod in example - Update IPs for grand.central.org Signed-off-by: Anton Blanchard Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- Documentation/filesystems/afs.txt | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/Documentation/filesystems/afs.txt b/Documentation/filesystems/afs.txt index 12ad6c7f4e50..ffef91c4e0d6 100644 --- a/Documentation/filesystems/afs.txt +++ b/Documentation/filesystems/afs.txt @@ -23,16 +23,14 @@ it does support include: (*) Security (currently only AFS kaserver and KerberosIV tickets). - (*) File reading. + (*) File reading and writing. (*) Automounting. + (*) Local caching (via fscache). + It does not yet support the following AFS features: - (*) Write support. - - (*) Local caching. - (*) pioctl() system call. @@ -56,7 +54,7 @@ They permit the debugging messages to be turned on dynamically by manipulating the masks in the following files: /sys/module/af_rxrpc/parameters/debug - /sys/module/afs/parameters/debug + /sys/module/kafs/parameters/debug ===== @@ -66,9 +64,9 @@ USAGE When inserting the driver modules the root cell must be specified along with a list of volume location server IP addresses: - insmod af_rxrpc.o - insmod rxkad.o - insmod kafs.o rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91 + modprobe af_rxrpc + modprobe rxkad + modprobe kafs rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91 The first module is the AF_RXRPC network protocol driver. This provides the RxRPC remote operation protocol and may also be accessed from userspace. See: @@ -81,7 +79,7 @@ is the actual filesystem driver for the AFS filesystem. Once the module has been loaded, more modules can be added by the following procedure: - echo add grand.central.org 18.7.14.88:128.2.191.224 >/proc/fs/afs/cells + echo add grand.central.org 18.9.48.14:128.2.203.61:130.237.48.87 >/proc/fs/afs/cells Where the parameters to the "add" command are the name of a cell and a list of volume location servers within that cell, with the latter separated by colons. @@ -101,7 +99,7 @@ The name of the volume can be suffixes with ".backup" or ".readonly" to specify connection to only volumes of those types. The name of the cell is optional, and if not given during a mount, then the -named volume will be looked up in the cell specified during insmod. +named volume will be looked up in the cell specified during modprobe. Additional cells can be added through /proc (see later section). @@ -163,14 +161,14 @@ THE CELL DATABASE The filesystem maintains an internal database of all the cells it knows and the IP addresses of the volume location servers for those cells. The cell to which -the system belongs is added to the database when insmod is performed by the +the system belongs is added to the database when modprobe is performed by the "rootcell=" argument or, if compiled in, using a "kafs.rootcell=" argument on the kernel command line. Further cells can be added by commands similar to the following: echo add CELLNAME VLADDR[:VLADDR][:VLADDR]... >/proc/fs/afs/cells - echo add grand.central.org 18.7.14.88:128.2.191.224 >/proc/fs/afs/cells + echo add grand.central.org 18.9.48.14:128.2.203.61:130.237.48.87 >/proc/fs/afs/cells No other cell database operations are available at this time. @@ -233,7 +231,7 @@ insmod /tmp/kafs.o rootcell=cambridge.redhat.com:172.16.18.91 mount -t afs \%root.afs. /afs mount -t afs \%cambridge.redhat.com:root.cell. /afs/cambridge.redhat.com/ -echo add grand.central.org 18.7.14.88:128.2.191.224 > /proc/fs/afs/cells +echo add grand.central.org 18.9.48.14:128.2.203.61:130.237.48.87 > /proc/fs/afs/cells mount -t afs "#grand.central.org:root.cell." /afs/grand.central.org/ mount -t afs "#grand.central.org:root.archive." /afs/grand.central.org/archive mount -t afs "#grand.central.org:root.contrib." /afs/grand.central.org/contrib