diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 916d9ed5c8aa6d1f1ae3873a924f056015cd651c..cb508b75437774e73bd243374926a9cb9a5cafcd 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -17,11 +17,13 @@ #include #include #include +#include #include #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 @@ aoeblk_gdalloc(void *vp) 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; }