block: move header for /proc/partitions to seq_start
The seq_start call is the better place for the header for the file, that
way we don't have to be mucking in the class structure to try to figure
out if this is the first partition or not.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/block/genhd.c b/block/genhd.c
index f03bdad..70f1d70 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -305,6 +305,10 @@
static void *part_start(struct seq_file *part, loff_t *pos)
{
struct device *dev;
+ loff_t n = *pos;
+
+ if (!n)
+ seq_puts(part, "major minor #blocks name\n\n");
mutex_lock(&block_class_lock);
dev = class_find_device(&block_class, NULL, (void *)pos, find_start);
@@ -338,9 +342,6 @@
int n;
char buf[BDEVNAME_SIZE];
- if (&sgp->dev.node == block_class.devices.next)
- seq_puts(part, "major minor #blocks name\n\n");
-
/* Don't show non-partitionable removeable devices or empty devices */
if (!get_capacity(sgp) ||
(sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE)))