2022-09-22 14:01:29

by Liu Shixin

[permalink] [raw]
Subject: [PATCH] sched/debug: use DEFINE_SHOW_ATTRIBUTE to simplify sd_flags

Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
No functional change.

Signed-off-by: Liu Shixin <[email protected]>
---
kernel/sched/debug.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 1637b65ba07a..45bc496c116e 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -360,18 +360,7 @@ static int sd_flags_show(struct seq_file *m, void *v)

return 0;
}
-
-static int sd_flags_open(struct inode *inode, struct file *file)
-{
- return single_open(file, sd_flags_show, inode->i_private);
-}
-
-static const struct file_operations sd_flags_fops = {
- .open = sd_flags_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(sd_flags);

static void register_sd(struct sched_domain *sd, struct dentry *parent)
{
--
2.25.1