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authorChuck Lever <chuck.lever@oracle.com>2009-04-23 19:32:03 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-04-28 13:54:27 -0400
commitc71206a7b4e829601e44c49d8a0f4df0fdfe9302 (patch)
tree429fc7b6b1a50a7dde2a9b59bbe2df9bd3ea23e7 /fs/nfsd/nfsctl.c
parent0b7c2f6fc7e06867885c7b0f256ff5bd494e0653 (diff)
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/nfsctl.c')
-rw-r--r--fs/nfsd/nfsctl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b6a847faa0b..d491fa9df9b 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;