Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
inode is converted from seq_file->file instead of seq_file->private in
client_info_show().
Signed-off-by: ChenXiaoSong <chenxiaosong2@xxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c5d199d7e6b4..4017721a04c7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2478,7 +2478,7 @@ static const char *cb_state2str(int state)
static int client_info_show(struct seq_file *m, void *v)
{
- struct inode *inode = m->private;
+ struct inode *inode = file_inode(m->file);
struct nfs4_client *clp;
u64 clid;
@@ -2518,17 +2518,7 @@ static int client_info_show(struct seq_file *m, void *v)
return 0;
}
-static int client_info_open(struct inode *inode, struct file *file)
-{
- return single_open(file, client_info_show, inode);
-}
-
-static const struct file_operations client_info_fops = {
- .open = client_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(client_info);
static void *states_start(struct seq_file *s, loff_t *pos)
__acquires(&clp->cl_lock)
--
2.31.1
