From 0b05c0d2c6933ca750d67ad5b3af89ef4d23091d Mon Sep 17 00:00:00 2001 From: Alan Huang Date: Tue, 1 Jul 2025 10:57:38 +0800 Subject: bcachefs: Don't lock exec_update_lock exec_update_lock is used to check permissions, no need here. Signed-off-by: Alan Huang Signed-off-by: Kent Overstreet --- fs/bcachefs/util.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c index 05b40debf211..7a4436fd4441 100644 --- a/fs/bcachefs/util.c +++ b/fs/bcachefs/util.c @@ -299,17 +299,12 @@ int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *task, unsigne if (ret) return ret; - if (!down_read_trylock(&task->signal->exec_update_lock)) - return -1; - do { nr_entries = stack_trace_save_tsk(task, stack->data, stack->size, skipnr + 1); } while (nr_entries == stack->size && !(ret = darray_make_room_gfp(stack, stack->size * 2, gfp))); stack->nr = nr_entries; - up_read(&task->signal->exec_update_lock); - return ret; #else return 0; -- cgit v1.2.3