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sunrpc: turn warn_gssd() log message into a dprintk()
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The original printk() made sense when the GSSAPI codepaths were called
only when sec=krb5* was explicitly requested. Now however, in many cases
the nfs client will try to acquire GSSAPI credentials by default, even
when it's not requested.

Since we don't have a great mechanism to distinguish between the two
cases, just turn the pr_warn into a dprintk instead. With this change we
can also get rid of the ratelimiting.

We do need to keep the EXPORT_SYMBOL(gssd_running) in place since
auth_gss.ko needs it and sunrpc.ko provides it. We can however,
eliminate the gssd_running call in the nfs code since that's a bit of a
layering violation.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Jeff Layton authored and Trond Myklebust committed Jan 27, 2014
1 parent d529ef8 commit 0ea9de0
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Showing 2 changed files with 2 additions and 11 deletions.
5 changes: 1 addition & 4 deletions fs/nfs/nfs4client.c
Original file line number Diff line number Diff line change
Expand Up @@ -372,10 +372,7 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp,
__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
__set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags);

error = -EINVAL;
if (gssd_running(clp->cl_net))
error = nfs_create_rpc_client(clp, timeparms,
RPC_AUTH_GSS_KRB5I);
error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_GSS_KRB5I);
if (error == -EINVAL)
error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX);
if (error < 0)
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8 changes: 1 addition & 7 deletions net/sunrpc/auth_gss/auth_gss.c
Original file line number Diff line number Diff line change
Expand Up @@ -532,13 +532,7 @@ gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred)

static void warn_gssd(void)
{
static unsigned long ratelimit;
unsigned long now = jiffies;

if (time_after(now, ratelimit)) {
pr_warn("RPC: AUTH_GSS upcall failed. Please check user daemon is running.\n");
ratelimit = now + 15*HZ;
}
dprintk("AUTH_GSS upcall failed. Please check user daemon is running.\n");
}

static inline int
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