Btrfs: Give all the worker threads descriptive names

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index bc2980c433ef..5f2f5a8c2289 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -153,7 +153,7 @@ int btrfs_stop_workers(struct btrfs_workers *workers)
 /*
  * simple init on struct btrfs_workers
  */
-void btrfs_init_workers(struct btrfs_workers *workers, int max)
+void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max)
 {
         workers->num_workers = 0;
         INIT_LIST_HEAD(&workers->worker_list);
@@ -161,6 +161,7 @@ void btrfs_init_workers(struct btrfs_workers *workers, int max)
         spin_lock_init(&workers->lock);
         workers->max_workers = max;
         workers->idle_thresh = 32;
+        workers->name = name;
 }
 
 /*
@@ -184,7 +185,9 @@ int btrfs_start_workers(struct btrfs_workers *workers, int num_workers)
                 INIT_LIST_HEAD(&worker->worker_list);
                 spin_lock_init(&worker->lock);
                 atomic_set(&worker->num_pending, 0);
-                worker->task = kthread_run(worker_loop, worker, "btrfs");
+                worker->task = kthread_run(worker_loop, worker,
+                                           "btrfs-%s-%d", workers->name,
+                                           workers->num_workers + i);
                 worker->workers = workers;
                 if (IS_ERR(worker->task)) {
                         kfree(worker);