nfsd4: reshuffle lease-setting code to allow reuse

We'll soon allow setting the grace period, so we'll want to share this
code.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 6738e9d..9c73cac 100644 (file)
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1203,26 +1203,36 @@ static ssize_t write_maxblksize(struct file *file, char *buf, size_t size)
 }
 
 #ifdef CONFIG_NFSD_V4
-static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
+static ssize_t __nfsd4_write_time(struct file *file, char *buf, size_t size, time_t *time)
 {
        /* if size > 10 seconds, call
         * nfs4_reset_lease() then write out the new lease (seconds) as reply
         */
        char *mesg = buf;
-       int rv, lease;
+       int rv, i;
 
        if (size > 0) {
                if (nfsd_serv)
                        return -EBUSY;
-               rv = get_int(&mesg, &lease);
+               rv = get_int(&mesg, &i);
                if (rv)
                        return rv;
-               if (lease < 10 || lease > 3600)
+               if (i < 10 || i > 3600)
                        return -EINVAL;
-               nfsd4_lease = lease;
+               *time = i;
        }
 
-       return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n", nfsd4_lease);
+       return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n", *time);
+}
+
+static ssize_t nfsd4_write_time(struct file *file, char *buf, size_t size, time_t *time)
+{
+       ssize_t rv;
+
+       mutex_lock(&nfsd_mutex);
+       rv = __nfsd4_write_time(file, buf, size, time);
+       mutex_unlock(&nfsd_mutex);
+       return rv;
 }
 
 /**
@@ -1248,12 +1258,7 @@ static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
  */
 static ssize_t write_leasetime(struct file *file, char *buf, size_t size)
 {
-       ssize_t rv;
-
-       mutex_lock(&nfsd_mutex);
-       rv = __write_leasetime(file, buf, size);
-       mutex_unlock(&nfsd_mutex);
-       return rv;
+       return nfsd4_write_time(file, buf, size, &nfsd4_lease);
 }
 
 extern char *nfs4_recoverydir(void);