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SUNRPC/NFS: make rpc pipe upcall generic

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The same function is used by idmap, gss and blocklayout code. Make it
generic.

Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Cc: stable@kernel.org [3.0]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Peng Tao
2011-09-22 21:50:10 -04:00
committed by Trond Myklebust
parent fdc17abbc4
commit c1225158a8
7 changed files with 26 additions and 71 deletions
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24
net/sunrpc/auth_gss/auth_gss.c
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@@ -603,26 +603,6 @@ out:
return err;
}
static ssize_t
gss_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg,
char __user *dst, size_t buflen)
{
char *data = (char *)msg->data + msg->copied;
size_t mlen = min(msg->len, buflen);
unsigned long left;
left = copy_to_user(dst, data, mlen);
if (left == mlen) {
msg->errno = -EFAULT;
return -EFAULT;
}
mlen -= left;
msg->copied += mlen;
msg->errno = 0;
return mlen;
}
#define MSG_BUF_MAXSIZE 1024
static ssize_t
@@ -1590,7 +1570,7 @@ static const struct rpc_credops gss_nullops = {
};
static const struct rpc_pipe_ops gss_upcall_ops_v0 = {
.upcall = gss_pipe_upcall,
.upcall = rpc_pipe_generic_upcall,
.downcall = gss_pipe_downcall,
.destroy_msg = gss_pipe_destroy_msg,
.open_pipe = gss_pipe_open_v0,
@@ -1598,7 +1578,7 @@ static const struct rpc_pipe_ops gss_upcall_ops_v0 = {
};
static const struct rpc_pipe_ops gss_upcall_ops_v1 = {
.upcall = gss_pipe_upcall,
.upcall = rpc_pipe_generic_upcall,
.downcall = gss_pipe_downcall,
.destroy_msg = gss_pipe_destroy_msg,
.open_pipe = gss_pipe_open_v1,