Re: [PATCH -next] scsi: hisi_sas: Convert to DEFINE_SHOW_ATTRIBUTE

From: John Garry
Date: Thu Jul 16 2020 - 05:26:59 EST


On 16/07/2020 09:47, Qinglang Miao wrote:

Not sure why you cc Greg, but SCSI maintainers should have been - James and Martin

From: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx>

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx>

The sender is not the author, so your signed-off-by should also be here (after sign off from Yongqiang Liu)

---
drivers/scsi/hisi_sas/hisi_sas_main.c | 137 ++------------------------
1 file changed, 10 insertions(+), 127 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 852d2620e..f50b0c78f 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2870,19 +2870,7 @@ static int hisi_sas_debugfs_global_show(struct seq_file *s, void *p)
return 0;
}
-static int hisi_sas_debugfs_global_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, hisi_sas_debugfs_global_show,
- inode->i_private);
-}
-
-static const struct file_operations hisi_sas_debugfs_global_fops = {
- .open = hisi_sas_debugfs_global_open,
- .read_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(hisi_sas_debugfs_global);

I couldn't see an equivalent for file_operations which have a read and write method, and the driver has a few of those.

Thanks