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-rw-r--r--drivers/block/aoe/aoeblk.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 916d9ed5c8aa..cb508b754377 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -17,11 +17,13 @@
#include <linux/mutex.h>
#include <linux/export.h>
#include <linux/moduleparam.h>
+#include <linux/debugfs.h>
#include <scsi/sg.h>
#include "aoe.h"
static DEFINE_MUTEX(aoeblk_mutex);
static struct kmem_cache *buf_pool_cache;
+static struct dentry *aoe_debugfs_dir;
/* GPFS needs a larger value than the default. */
static int aoe_maxsectors;
@@ -351,6 +353,8 @@ err:
void
aoeblk_exit(void)
{
+ debugfs_remove_recursive(aoe_debugfs_dir);
+ aoe_debugfs_dir = NULL;
kmem_cache_destroy(buf_pool_cache);
}
@@ -362,7 +366,11 @@ aoeblk_init(void)
0, 0, NULL);
if (buf_pool_cache == NULL)
return -ENOMEM;
-
+ aoe_debugfs_dir = debugfs_create_dir("aoe", NULL);
+ if (IS_ERR_OR_NULL(aoe_debugfs_dir)) {
+ pr_info("aoe: cannot create debugfs directory\n");
+ aoe_debugfs_dir = NULL;
+ }
return 0;
}