Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index d9743ff67898d7040ccabfd4c3b7790577764d99..e0ce23ac2ece84b24a283f9ae9203ec3291f2f78 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -307,7 +307,7 @@ static void *part_start(struct seq_file *part, loff_t *pos)
        loff_t k = *pos;
 
        if (!k)
-               seq_puts(part, "major minor  #blocks  name\n\n");
+               part->private = (void *)1LU;    /* tell show to print header */
 
        mutex_lock(&block_class_lock);
        dev = class_find_device(&block_class, NULL, &k, find_start);
@@ -349,6 +349,17 @@ static int show_partition(struct seq_file *part, void *v)
        int n;
        char buf[BDEVNAME_SIZE];
 
+       /*
+        * Print header if start told us to do.  This is to preserve
+        * the original behavior of not printing header if no
+        * partition exists.  This hackery will be removed later with
+        * class iteration clean up.
+        */
+       if (part->private) {
+               seq_puts(part, "major minor  #blocks  name\n\n");
+               part->private = NULL;
+       }
+
        /* Don't show non-partitionable removeable devices or empty devices */
        if (!get_capacity(sgp) ||
                        (sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE)))