RDMA/ipoib: Convert to use DEFINE_SEQ_ATTRIBUTE macro

Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Link: https://lore.kernel.org/r/20200916025022.3992627-1-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
index 64c19f6..12ba7a0 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c
@@ -124,35 +124,14 @@ static int ipoib_mcg_seq_show(struct seq_file *file, void *iter_ptr)
        return 0;
 }
 
-static const struct seq_operations ipoib_mcg_seq_ops = {
+static const struct seq_operations ipoib_mcg_sops = {
        .start = ipoib_mcg_seq_start,
        .next  = ipoib_mcg_seq_next,
        .stop  = ipoib_mcg_seq_stop,
        .show  = ipoib_mcg_seq_show,
 };
 
-static int ipoib_mcg_open(struct inode *inode, struct file *file)
-{
-       struct seq_file *seq;
-       int ret;
-
-       ret = seq_open(file, &ipoib_mcg_seq_ops);
-       if (ret)
-               return ret;
-
-       seq = file->private_data;
-       seq->private = inode->i_private;
-
-       return 0;
-}
-
-static const struct file_operations ipoib_mcg_fops = {
-       .owner   = THIS_MODULE,
-       .open    = ipoib_mcg_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(ipoib_mcg);
 
 static void *ipoib_path_seq_start(struct seq_file *file, loff_t *pos)
 {
@@ -229,35 +208,14 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
        return 0;
 }
 
-static const struct seq_operations ipoib_path_seq_ops = {
+static const struct seq_operations ipoib_path_sops = {
        .start = ipoib_path_seq_start,
        .next  = ipoib_path_seq_next,
        .stop  = ipoib_path_seq_stop,
        .show  = ipoib_path_seq_show,
 };
 
-static int ipoib_path_open(struct inode *inode, struct file *file)
-{
-       struct seq_file *seq;
-       int ret;
-
-       ret = seq_open(file, &ipoib_path_seq_ops);
-       if (ret)
-               return ret;
-
-       seq = file->private_data;
-       seq->private = inode->i_private;
-
-       return 0;
-}
-
-static const struct file_operations ipoib_path_fops = {
-       .owner   = THIS_MODULE,
-       .open    = ipoib_path_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(ipoib_path);
 
 void ipoib_create_debug_files(struct net_device *dev)
 {