nfsd: track last inode only in use_wgather case

[safe/jmp/linux-2.6] / net / compat.c

diff --git a/net/compat.c b/net/compat.c
index a3a2ba0..8d73905 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -216,7 +216,7 @@ Efault:
 int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
 {
        struct compat_timeval ctv;
-       struct compat_timespec cts;
+       struct compat_timespec cts[3];
        struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
        struct compat_cmsghdr cmhdr;
        int cmlen;
@@ -233,12 +233,17 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
                data = &ctv;
                len = sizeof(ctv);
        }
-       if (level == SOL_SOCKET && type == SCM_TIMESTAMPNS) {
+       if (level == SOL_SOCKET &&
+           (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) {
+               int count = type == SCM_TIMESTAMPNS ? 1 : 3;
+               int i;
                struct timespec *ts = (struct timespec *)data;
-               cts.tv_sec = ts->tv_sec;
-               cts.tv_nsec = ts->tv_nsec;
+               for (i = 0; i < count; i++) {
+                       cts[i].tv_sec = ts[i].tv_sec;
+                       cts[i].tv_nsec = ts[i].tv_nsec;
+               }
                data = &cts;
-               len = sizeof(cts);
+               len = sizeof(cts[0]) * count;
        }
 
        cmlen = CMSG_COMPAT_LEN(len);
@@ -455,7 +460,7 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
        struct timeval tv;
 
        if (!sock_flag(sk, SOCK_TIMESTAMP))
-               sock_enable_timestamp(sk);
+               sock_enable_timestamp(sk, SOCK_TIMESTAMP);
        tv = ktime_to_timeval(sk->sk_stamp);
        if (tv.tv_sec == -1)
                return err;
@@ -479,7 +484,7 @@ int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *usersta
        struct timespec ts;
 
        if (!sock_flag(sk, SOCK_TIMESTAMP))
-               sock_enable_timestamp(sk);
+               sock_enable_timestamp(sk, SOCK_TIMESTAMP);
        ts = ktime_to_timespec(sk->sk_stamp);
        if (ts.tv_sec == -1)
                return err;