diff options
Diffstat (limited to 'upstream/opensuse-leap-15-6/man7/nfsd.7')
| -rw-r--r-- | upstream/opensuse-leap-15-6/man7/nfsd.7 | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/upstream/opensuse-leap-15-6/man7/nfsd.7 b/upstream/opensuse-leap-15-6/man7/nfsd.7 index 0c516fa1..514153f0 100644 --- a/upstream/opensuse-leap-15-6/man7/nfsd.7 +++ b/upstream/opensuse-leap-15-6/man7/nfsd.7 @@ -13,14 +13,8 @@ nfsd \- special filesystem for controlling Linux NFS server The .B nfsd filesystem is a special filesystem which provides access to the Linux -NFS server. The filesystem consists of a single directory which -contains a number of files. These files are actually gateways into -the NFS server. Writing to them can affect the server. Reading from -them can provide information about the server. -.P -This file system is only available in Linux 2.6 and later series -kernels (and in the later parts of the 2.5 development series leading -up to 2.6). This man page does not apply to 2.4 and earlier. +NFS server. Writing to files in this filesystem can affect the server. +Reading from them can provide information about the server. .P As well as this filesystem, there are a collection of files in the .B procfs @@ -38,13 +32,10 @@ filesystem mounted at .B /proc/fs/nfsd or .BR /proc/fs/nfs . -If it is not mounted, they will fall-back on 2.4 style functionality. -This involves accessing the NFS server via a systemcall. This -systemcall is scheduled to be removed after the 2.6 kernel series. .SH DETAILS -The three files in the +Files in the .B nfsd -filesystem are: +filesystem include: .TP .B exports This file contains a list of filesystems that are currently exported @@ -90,6 +81,16 @@ for that path as exported to the given client. The filehandle's length will be at most the number of bytes given. The filehandle will be represented in hex with a leading '\ex'. + +.TP +.B clients/ +This directory contains a subdirectory for each NFSv4 client. Each file +under that subdirectory gives some details about the client in YAML +format. In addition, writing "expire\\n" to the +.B ctl +file will force the server to immediately revoke all state held by that +client. + .PP The directory .B /proc/net/rpc @@ -105,11 +106,6 @@ clients have for different filesystems. The caches are: .TP -.B auth.domain -This cache maps the name of a client (or domain) to an internal data -structure. The only access that is possible is to flush the cache. - -.TP .B auth.unix.ip This cache contains a mapping from IP address to the name of the authentication domain that the ipaddress should be treated as part of. @@ -133,7 +129,8 @@ are: .B flush When a number of seconds since epoch (1 Jan 1970) is written to this file, all entries in the cache that were last updated before that file -become invalidated and will be flushed out. Writing 1 will flush +become invalidated and will be flushed out. Writing a time in the +future (in seconds since epoch) will flush everything. This is the only file that will always be present. .TP @@ -195,6 +192,16 @@ number represents a bit-pattern where bits that are set cause certain classes of tracing to be enabled. Consult the kernel header files to find out what number correspond to what tracing. +.SH NOTES +This file system is only available in Linux 2.6 and later series +kernels (and in the later parts of the 2.5 development series leading +up to 2.6). This man page does not apply to 2.4 and earlier. +.P +Previously the nfsctl systemcall was used for communication between nfsd +and user utilities. That systemcall was removed in kernel version 3.1. +Older nfs-utils versions were able to fall back to nfsctl if necessary; +that was removed from nfs-utils 1.3.5. + .SH SEE ALSO .BR nfsd (8), .BR rpc.nfsd (8), |