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/block/pktcdvd.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 17f2e6ff1..a40c397c7 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -452,23 +452,12 @@ static void pkt_sysfs_cleanup(void)
*******************************************************************/
-static int pkt_debugfs_seq_show(struct seq_file *m, void *p)
+static int pkt_debugfs_show(struct seq_file *m, void *p)
{
return pkt_seq_show(m, p);
}
-static int pkt_debugfs_fops_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pkt_debugfs_seq_show, inode->i_private);
-}
-
-static const struct file_operations debug_fops = {
- .open = pkt_debugfs_fops_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(pkt_debugfs);
static void pkt_debugfs_dev_new(struct pktcdvd_device *pd)
{
@@ -478,8 +467,8 @@ static void pkt_debugfs_dev_new(struct pktcdvd_device *pd)
if (!pd->dfs_d_root)
return;
- pd->dfs_f_info = debugfs_create_file("info", 0444,
- pd->dfs_d_root, pd, &debug_fops);
+ pd->dfs_f_info = debugfs_create_file("info", 0444, pd->dfs_d_root,
+ pd, &pkt_debugfs_fops);
}
static void pkt_debugfs_dev_remove(struct pktcdvd_device *pd)
--
2.23.0
