cxgb4vf: convert to use DEFINE_SEQ_ATTRIBUTE macro

Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index e2fe78e2e24241f64c8a2fbc4ac7b8fdf7414dff..2820a0bb971bffbff848fd2b9de5ce467bc7c289 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2017,33 +2017,14 @@ static void mboxlog_stop(struct seq_file *seq, void *v)
 {
 }
 
-static const struct seq_operations mboxlog_seq_ops = {
+static const struct seq_operations mboxlog_sops = {
        .start = mboxlog_start,
        .next  = mboxlog_next,
        .stop  = mboxlog_stop,
        .show  = mboxlog_show
 };
 
-static int mboxlog_open(struct inode *inode, struct file *file)
-{
-       int res = seq_open(file, &mboxlog_seq_ops);
-
-       if (!res) {
-               struct seq_file *seq = file->private_data;
-
-               seq->private = inode->i_private;
-       }
-       return res;
-}
-
-static const struct file_operations mboxlog_fops = {
-       .owner   = THIS_MODULE,
-       .open    = mboxlog_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release,
-};
-
+DEFINE_SEQ_ATTRIBUTE(mboxlog);
 /*
  * Show SGE Queue Set information.  We display QPL Queues Sets per line.
  */
@@ -2171,31 +2152,14 @@ static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
        return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
 }
 
-static const struct seq_operations sge_qinfo_seq_ops = {
+static const struct seq_operations sge_qinfo_sops = {
        .start = sge_queue_start,
        .next  = sge_queue_next,
        .stop  = sge_queue_stop,
        .show  = sge_qinfo_show
 };
 
-static int sge_qinfo_open(struct inode *inode, struct file *file)
-{
-       int res = seq_open(file, &sge_qinfo_seq_ops);
-
-       if (!res) {
-               struct seq_file *seq = file->private_data;
-               seq->private = inode->i_private;
-       }
-       return res;
-}
-
-static const struct file_operations sge_qinfo_debugfs_fops = {
-       .owner   = THIS_MODULE,
-       .open    = sge_qinfo_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(sge_qinfo);
 
 /*
  * Show SGE Queue Set statistics.  We display QPL Queues Sets per line.
@@ -2317,31 +2281,14 @@ static void *sge_qstats_next(struct seq_file *seq, void *v, loff_t *pos)
        return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
 }
 
-static const struct seq_operations sge_qstats_seq_ops = {
+static const struct seq_operations sge_qstats_sops = {
        .start = sge_qstats_start,
        .next  = sge_qstats_next,
        .stop  = sge_qstats_stop,
        .show  = sge_qstats_show
 };
 
-static int sge_qstats_open(struct inode *inode, struct file *file)
-{
-       int res = seq_open(file, &sge_qstats_seq_ops);
-
-       if (res == 0) {
-               struct seq_file *seq = file->private_data;
-               seq->private = inode->i_private;
-       }
-       return res;
-}
-
-static const struct file_operations sge_qstats_proc_fops = {
-       .owner   = THIS_MODULE,
-       .open    = sge_qstats_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(sge_qstats);
 
 /*
  * Show PCI-E SR-IOV Virtual Function Resource Limits.
@@ -2415,31 +2362,14 @@ static void interfaces_stop(struct seq_file *seq, void *v)
 {
 }
 
-static const struct seq_operations interfaces_seq_ops = {
+static const struct seq_operations interfaces_sops = {
        .start = interfaces_start,
        .next  = interfaces_next,
        .stop  = interfaces_stop,
        .show  = interfaces_show
 };
 
-static int interfaces_open(struct inode *inode, struct file *file)
-{
-       int res = seq_open(file, &interfaces_seq_ops);
-
-       if (res == 0) {
-               struct seq_file *seq = file->private_data;
-               seq->private = inode->i_private;
-       }
-       return res;
-}
-
-static const struct file_operations interfaces_proc_fops = {
-       .owner   = THIS_MODULE,
-       .open    = interfaces_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(interfaces);
 
 /*
  * /sys/kernel/debugfs/cxgb4vf/ files list.
@@ -2452,10 +2382,10 @@ struct cxgb4vf_debugfs_entry {
 
 static struct cxgb4vf_debugfs_entry debugfs_files[] = {
        { "mboxlog",    0444, &mboxlog_fops },
-       { "sge_qinfo",  0444, &sge_qinfo_debugfs_fops },
-       { "sge_qstats", 0444, &sge_qstats_proc_fops },
+       { "sge_qinfo",  0444, &sge_qinfo_fops },
+       { "sge_qstats", 0444, &sge_qstats_fops },
        { "resources",  0444, &resources_fops },
-       { "interfaces", 0444, &interfaces_proc_fops },
+       { "interfaces", 0444, &interfaces_fops },
 };
 
 /*