nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops

Use DEFINE_PROC_SHOW_ATTRIBUTE helper macro to simplify the code.

Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c
index a8c5a02..777e24e 100644 (file)
--- a/fs/nfsd/stats.c
+++ b/fs/nfsd/stats.c
@@ -32,7 +32,7 @@ struct svc_stat               nfsd_svcstats = {
        .program        = &nfsd_program,
 };
 
-static int nfsd_proc_show(struct seq_file *seq, void *v)
+static int nfsd_show(struct seq_file *seq, void *v)
 {
        int i;
 
@@ -72,17 +72,7 @@ static int nfsd_proc_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static int nfsd_proc_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, nfsd_proc_show, NULL);
-}
-
-static const struct proc_ops nfsd_proc_ops = {
-       .proc_open      = nfsd_proc_open,
-       .proc_read      = seq_read,
-       .proc_lseek     = seq_lseek,
-       .proc_release   = single_release,
-};
+DEFINE_PROC_SHOW_ATTRIBUTE(nfsd);
 
 int nfsd_percpu_counters_init(struct percpu_counter counters[], int num)
 {