2020-09-19 01:24:48

by Qinglang Miao

[permalink] [raw]
Subject: [PATCH -next v2] RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <[email protected]>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.

drivers/ras/cec.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 6939aa5b3..ddecf25b5 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -435,7 +435,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, u64_get, action_threshold_set, "%

static const char * const bins[] = { "00", "01", "10", "11" };

-static int array_dump(struct seq_file *m, void *v)
+static int array_show(struct seq_file *m, void *v)
{
struct ce_array *ca = &ce_arr;
int i;
@@ -467,18 +467,7 @@ static int array_dump(struct seq_file *m, void *v)
return 0;
}

-static int array_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, array_dump, NULL);
-}
-
-static const struct file_operations array_ops = {
- .owner = THIS_MODULE,
- .open = array_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(array);

static int __init create_debugfs_nodes(void)
{
@@ -513,7 +502,7 @@ static int __init create_debugfs_nodes(void)
goto err;
}

- array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_ops);
+ array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_fops);
if (!array) {
pr_warn("Error creating array debugfs node!\n");
goto err;
--
2.23.0


Subject: [tip: ras/core] RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE()

The following commit has been merged into the ras/core branch of tip:

Commit-ID: 4bd442e9a8388e8ec4ba7cf23a4774989d93b78e
Gitweb: https://git.kernel.org/tip/4bd442e9a8388e8ec4ba7cf23a4774989d93b78e
Author: Qinglang Miao <[email protected]>
AuthorDate: Sat, 19 Sep 2020 09:22:52 +08:00
Committer: Borislav Petkov <[email protected]>
CommitterDate: Fri, 25 Sep 2020 19:05:31 +02:00

RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE()

Use the DEFINE_SHOW_ATTRIBUTE() macro and simplify the code.

Signed-off-by: Qinglang Miao <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
drivers/ras/cec.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 6939aa5..ddecf25 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -435,7 +435,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, u64_get, action_threshold_set, "%

static const char * const bins[] = { "00", "01", "10", "11" };

-static int array_dump(struct seq_file *m, void *v)
+static int array_show(struct seq_file *m, void *v)
{
struct ce_array *ca = &ce_arr;
int i;
@@ -467,18 +467,7 @@ static int array_dump(struct seq_file *m, void *v)
return 0;
}

-static int array_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, array_dump, NULL);
-}
-
-static const struct file_operations array_ops = {
- .owner = THIS_MODULE,
- .open = array_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(array);

static int __init create_debugfs_nodes(void)
{
@@ -513,7 +502,7 @@ static int __init create_debugfs_nodes(void)
goto err;
}

- array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_ops);
+ array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_fops);
if (!array) {
pr_warn("Error creating array debugfs node!\n");
goto err;