proc: introduce proc_create_seq{,_data}

Variants of proc_create{,_data} that directly take a struct seq_operations
argument and drastically reduces the boilerplate code in the callers.

All trivial callers converted over.

Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 2 insertions, 26 deletions

diff --git a/block/genhd.c b/block/genhd.c
index c4513fe1adda..6d7bc8958fda 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1027,18 +1027,6 @@ static const struct seq_operations partitions_op = {
         .stop   = disk_seqf_stop,
         .show   = show_partition
 };
-
-static int partitions_open(struct inode *inode, struct file *file)
-{
-        return seq_open(file, &partitions_op);
-}
-
-static const struct file_operations proc_partitions_operations = {
-        .open           = partitions_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release,
-};
 #endif
 
 
@@ -1377,22 +1365,10 @@ static const struct seq_operations diskstats_op = {
         .show   = diskstats_show
 };
 
-static int diskstats_open(struct inode *inode, struct file *file)
-{
-        return seq_open(file, &diskstats_op);
-}
-
-static const struct file_operations proc_diskstats_operations = {
-        .open           = diskstats_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release,
-};
-
 static int __init proc_genhd_init(void)
 {
-        proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
-        proc_create("partitions", 0, NULL, &proc_partitions_operations);
+        proc_create_seq("diskstats", 0, NULL, &diskstats_op);
+        proc_create_seq("partitions", 0, NULL, &partitions_op);
         return 0;
 }
 module_init(proc_genhd_init);