sunrpc: remove dead code in svc_sock_setbufsize

Web:        https://git.kernel.org/torvalds/c/d0945caafcccac9d8f4d78f99e0eac9e60386381
Commit:     d0945caafcccac9d8f4d78f99e0eac9e60386381
Parent:     482725027ff32bc857f5527fb17feda5361265fe
Refname:    refs/heads/master
Author:     Christoph Hellwig <[email protected]>
AuthorDate: Mon Jan 8 12:21:04 2018 +0100
Committer:  J. Bruce Fields <[email protected]>
CommitDate: Mon Feb 5 17:13:16 2018 -0500

    sunrpc: remove dead code in svc_sock_setbufsize
    
    Setting values in struct sock directly is the usual method.  Remove
    the long dead code using set_fs() and the related comment.
    
    Signed-off-by: Christoph Hellwig <[email protected]>
    Signed-off-by: J. Bruce Fields <[email protected]>
---
 net/sunrpc/svcsock.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index ff8e06cd067e..5884583f93a4 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -384,25 +384,11 @@ static int svc_partial_recvfrom(struct svc_rqst *rqstp,
 static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
 				unsigned int rcv)
 {
-#if 0
-	mm_segment_t	oldfs;
-	oldfs = get_fs(); set_fs(KERNEL_DS);
-	sock_setsockopt(sock, SOL_SOCKET, SO_SNDBUF,
-			(char*)&snd, sizeof(snd));
-	sock_setsockopt(sock, SOL_SOCKET, SO_RCVBUF,
-			(char*)&rcv, sizeof(rcv));
-#else
-	/* sock_setsockopt limits use to sysctl_?mem_max,
-	 * which isn't acceptable.  Until that is made conditional
-	 * on not having CAP_SYS_RESOURCE or similar, we go direct...
-	 * DaveM said I could!
-	 */
 	lock_sock(sock->sk);
 	sock->sk->sk_sndbuf = snd * 2;
 	sock->sk->sk_rcvbuf = rcv * 2;
 	sock->sk->sk_write_space(sock->sk);
 	release_sock(sock->sk);
-#endif
 }
 
 static int svc_sock_secure_port(struct svc_rqst *rqstp)
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