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nfs4: remove BKL from nfs_callback_up and nfs_callback_down 

The nfs_callback_mutex is sufficient protection.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Jeff Layton 2008-06-11 10:03:10 -04:00 committed by Trond Myklebust
parent 77e03677ac
commit ee84dfc454
1 changed files with 0 additions and 4 deletions
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4
fs/nfs/callback.c
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@ -105,7 +105,6 @@ int nfs_callback_up(void)
struct svc_rqst *rqstp;
int ret = 0;
lock_kernel();
mutex_lock(&nfs_callback_mutex);
if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
goto out;
@ -149,7 +148,6 @@ out:
if (serv)
svc_destroy(serv);
mutex_unlock(&nfs_callback_mutex);
unlock_kernel();
return ret;
out_err:
dprintk("Couldn't create callback socket or server thread; err = %d\n",
@ -163,13 +161,11 @@ out_err:
*/
void nfs_callback_down(void)
{
lock_kernel();
mutex_lock(&nfs_callback_mutex);
nfs_callback_info.users--;
if (nfs_callback_info.users == 0 && nfs_callback_info.task != NULL)
kthread_stop(nfs_callback_info.task);
mutex_unlock(&nfs_callback_mutex);
unlock_kernel();
}
static int nfs_callback_authenticate(struct svc_rqst *rqstp)