diff options
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 909dae445ea7..e8e89158adec 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -103,39 +103,25 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v) } DEFINE_SHOW_ATTRIBUTE(bdi_debug_stats); -static int bdi_debug_register(struct backing_dev_info *bdi, const char *name) +static void bdi_debug_register(struct backing_dev_info *bdi, const char *name) { - if (!bdi_debug_root) - return -ENOMEM; - bdi->debug_dir = debugfs_create_dir(name, bdi_debug_root); - if (!bdi->debug_dir) - return -ENOMEM; - - bdi->debug_stats = debugfs_create_file("stats", 0444, bdi->debug_dir, - bdi, &bdi_debug_stats_fops); - if (!bdi->debug_stats) { - debugfs_remove(bdi->debug_dir); - bdi->debug_dir = NULL; - return -ENOMEM; - } - return 0; + debugfs_create_file("stats", 0444, bdi->debug_dir, bdi, + &bdi_debug_stats_fops); } static void bdi_debug_unregister(struct backing_dev_info *bdi) { - debugfs_remove(bdi->debug_stats); - debugfs_remove(bdi->debug_dir); + debugfs_remove_recursive(bdi->debug_dir); } #else static inline void bdi_debug_init(void) { } -static inline int bdi_debug_register(struct backing_dev_info *bdi, +static inline void bdi_debug_register(struct backing_dev_info *bdi, const char *name) { - return 0; } static inline void bdi_debug_unregister(struct backing_dev_info *bdi) { |