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| author | Chuck Lever <chuck.lever@oracle.com> | 2010-09-17 10:54:37 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-09-17 10:54:37 -0400 |
| commit | 306a075362a288683f6346185f97dd0e06df19da (patch) | |
| tree | bcade14a2a0b634c5bf64eab87db8219d8d6981c /Documentation | |
| parent | 8d2321037896aa4868a67f45b2d6ed52b579a48a (diff) | |
| download | talos-obmc-linux-306a075362a288683f6346185f97dd0e06df19da.tar.gz talos-obmc-linux-306a075362a288683f6346185f97dd0e06df19da.zip | |
NFS: Allow NFSROOT debugging messages to be enabled dynamically
As a convenience, introduce a kernel command line option to enable
NFSROOT debugging messages.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/nfs/nfsroot.txt | 22 | ||||
| -rw-r--r-- | Documentation/kernel-parameters.txt | 5 |
2 files changed, 26 insertions, 1 deletions
diff --git a/Documentation/filesystems/nfs/nfsroot.txt b/Documentation/filesystems/nfs/nfsroot.txt index f2430a7974e1..90c71c6f0d00 100644 --- a/Documentation/filesystems/nfs/nfsroot.txt +++ b/Documentation/filesystems/nfs/nfsroot.txt @@ -159,6 +159,28 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf> Default: any +nfsrootdebug + + This parameter enables debugging messages to appear in the kernel + log at boot time so that administrators can verify that the correct + NFS mount options, server address, and root path are passed to the + NFS client. + + +rdinit=<executable file> + + To specify which file contains the program that starts system + initialization, administrators can use this command line parameter. + The default value of this parameter is "/init". If the specified + file exists and the kernel can execute it, root filesystem related + kernel command line parameters, including `nfsroot=', are ignored. + + A description of the process of mounting the root file system can be + found in: + + Documentation/early-userspace/README + + 3.) Boot Loader diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index f084af0cb8e0..0fe70b2c4194 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1532,12 +1532,15 @@ and is between 256 and 4096 characters. It is defined in the file 1 to enable accounting Default value is 0. - nfsaddrs= [NFS] + nfsaddrs= [NFS] Deprecated. Use ip= instead. See Documentation/filesystems/nfs/nfsroot.txt. nfsroot= [NFS] nfs root filesystem for disk-less boxes. See Documentation/filesystems/nfs/nfsroot.txt. + nfsrootdebug [NFS] enable nfsroot debugging messages. + See Documentation/filesystems/nfs/nfsroot.txt. + nfs.callback_tcpport= [NFS] set the TCP port on which the NFSv4 callback channel should listen. |
