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Subject[PATCH] sunrpc: convert to DEFINE_SHOW_ATTRIBUTE
Date
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
net/sunrpc/rpc_pipe.c | 19 +++----------------
net/sunrpc/stats.c | 14 +-------------
2 files changed, 4 insertions(+), 29 deletions(-)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 4fda18d47e2c..69663681bf9d 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1266,7 +1266,7 @@ static const struct rpc_pipe_ops gssd_dummy_pipe_ops = {
* that this file will be there and have a certain format.
*/
static int
-rpc_show_dummy_info(struct seq_file *m, void *v)
+rpc_dummy_info_show(struct seq_file *m, void *v)
{
seq_printf(m, "RPC server: %s\n", utsname()->nodename);
seq_printf(m, "service: foo (1) version 0\n");
@@ -1275,25 +1275,12 @@ rpc_show_dummy_info(struct seq_file *m, void *v)
seq_printf(m, "port: 0\n");
return 0;
}
-
-static int
-rpc_dummy_info_open(struct inode *inode, struct file *file)
-{
- return single_open(file, rpc_show_dummy_info, NULL);
-}
-
-static const struct file_operations rpc_dummy_info_operations = {
- .owner = THIS_MODULE,
- .open = rpc_dummy_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(rpc_dummy_info);

static const struct rpc_filelist gssd_dummy_info_file[] = {
[0] = {
.name = "info",
- .i_fop = &rpc_dummy_info_operations,
+ .i_fop = &rpc_dummy_info_fops,
.mode = S_IFREG | 0400,
},
};
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 71166b393732..d064fcec0b2e 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -62,19 +62,7 @@ static int rpc_proc_show(struct seq_file *seq, void *v) {
}
return 0;
}
-
-static int rpc_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, rpc_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations rpc_proc_fops = {
- .owner = THIS_MODULE,
- .open = rpc_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(rpc_proc);

/*
* Get RPC server stats
--
2.17.0
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