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| author | Chuck Lever <chuck.lever@oracle.com> | 2009-04-24 01:32:03 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-04-28 19:54:27 +0200 |
| commit | c71206a7b4e829601e44c49d8a0f4df0fdfe9302 (patch) | |
| tree | 429fc7b6b1a50a7dde2a9b59bbe2df9bd3ea23e7 /fs/nfsd | |
| parent | NFSD: Refactor socket creation out of __write_ports() (diff) | |
| download | linux-c71206a7b4e829601e44c49d8a0f4df0fdfe9302.tar.xz linux-c71206a7b4e829601e44c49d8a0f4df0fdfe9302.zip | |
NFSD: Note an additional requirement when passing TCP sockets to portlist
User space must call listen(3) on SOCK_STREAM sockets passed into
/proc/fs/nfsd/portlist, otherwise that listener is ignored. Document
this.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index b6a847faa0bb..d491fa9df9bd 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1061,7 +1061,9 @@ static ssize_t __write_ports(struct file *file, char *buf, size_t size) * buf: C string containing an unsigned * integer value representing a bound * but unconnected socket that is to be - * used as an NFSD listener + * used as an NFSD listener; listen(3) + * must be called for a SOCK_STREAM + * socket, otherwise it is ignored * size: non-zero length of C string in @buf * Output: * On success: NFS service is started; |