diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/bcache/closure.c | 9 | ||||
| -rw-r--r-- | drivers/md/bcache/closure.h | 5 | ||||
| -rw-r--r-- | drivers/md/bcache/debug.c | 14 | ||||
| -rw-r--r-- | drivers/md/bcache/super.c | 3 |
4 files changed, 16 insertions, 15 deletions
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c index 7f12920c14f7..c0949c9f843b 100644 --- a/drivers/md/bcache/closure.c +++ b/drivers/md/bcache/closure.c @@ -157,7 +157,7 @@ void closure_debug_destroy(struct closure *cl) } EXPORT_SYMBOL(closure_debug_destroy); -static struct dentry *debug; +static struct dentry *closure_debug; static int debug_seq_show(struct seq_file *f, void *data) { @@ -199,11 +199,12 @@ static const struct file_operations debug_ops = { .release = single_release }; -void __init closure_debug_init(void) +int __init closure_debug_init(void) { - debug = debugfs_create_file("closures", 0400, NULL, NULL, &debug_ops); + closure_debug = debugfs_create_file("closures", + 0400, bcache_debug, NULL, &debug_ops); + return IS_ERR_OR_NULL(closure_debug); } - #endif MODULE_AUTHOR("Kent Overstreet <koverstreet@google.com>"); diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index 3b9dfc9962ad..71427eb5fdae 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -105,6 +105,7 @@ struct closure; struct closure_syncer; typedef void (closure_fn) (struct closure *); +extern struct dentry *bcache_debug; struct closure_waitlist { struct llist_head list; @@ -185,13 +186,13 @@ static inline void closure_sync(struct closure *cl) #ifdef CONFIG_BCACHE_CLOSURES_DEBUG -void closure_debug_init(void); +int closure_debug_init(void); void closure_debug_create(struct closure *cl); void closure_debug_destroy(struct closure *cl); #else -static inline void closure_debug_init(void) {} +static inline int closure_debug_init(void) { return 0; } static inline void closure_debug_create(struct closure *cl) {} static inline void closure_debug_destroy(struct closure *cl) {} diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index af89408befe8..028f7b386e01 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -17,7 +17,7 @@ #include <linux/random.h> #include <linux/seq_file.h> -static struct dentry *debug; +struct dentry *bcache_debug; #ifdef CONFIG_BCACHE_DEBUG @@ -232,11 +232,11 @@ static const struct file_operations cache_set_debug_ops = { void bch_debug_init_cache_set(struct cache_set *c) { - if (!IS_ERR_OR_NULL(debug)) { + if (!IS_ERR_OR_NULL(bcache_debug)) { char name[50]; snprintf(name, 50, "bcache-%pU", c->sb.set_uuid); - c->debug = debugfs_create_file(name, 0400, debug, c, + c->debug = debugfs_create_file(name, 0400, bcache_debug, c, &cache_set_debug_ops); } } @@ -245,13 +245,13 @@ void bch_debug_init_cache_set(struct cache_set *c) void bch_debug_exit(void) { - if (!IS_ERR_OR_NULL(debug)) - debugfs_remove_recursive(debug); + if (!IS_ERR_OR_NULL(bcache_debug)) + debugfs_remove_recursive(bcache_debug); } int __init bch_debug_init(struct kobject *kobj) { - debug = debugfs_create_dir("bcache", NULL); + bcache_debug = debugfs_create_dir("bcache", NULL); - return IS_ERR_OR_NULL(debug); + return IS_ERR_OR_NULL(bcache_debug); } diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 7b45160e9a22..f1f64853114b 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -2224,7 +2224,6 @@ static int __init bcache_init(void) mutex_init(&bch_register_lock); init_waitqueue_head(&unregister_wait); register_reboot_notifier(&reboot); - closure_debug_init(); bcache_major = register_blkdev(0, "bcache"); if (bcache_major < 0) { @@ -2236,7 +2235,7 @@ static int __init bcache_init(void) if (!(bcache_wq = alloc_workqueue("bcache", WQ_MEM_RECLAIM, 0)) || !(bcache_kobj = kobject_create_and_add("bcache", fs_kobj)) || bch_request_init() || - bch_debug_init(bcache_kobj) || + bch_debug_init(bcache_kobj) || closure_debug_init() || sysfs_create_files(bcache_kobj, files)) goto err; |