diff options
Diffstat (limited to 'libbcachefs/util.c')
| -rw-r--r-- | libbcachefs/util.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/libbcachefs/util.c b/libbcachefs/util.c index df9a6071..7a4436fd 100644 --- a/libbcachefs/util.c +++ b/libbcachefs/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; @@ -617,17 +612,10 @@ void bch2_pd_controller_debug_to_text(struct printbuf *out, struct bch_pd_contro void bch2_bio_map(struct bio *bio, void *base, size_t size) { - while (size) { - struct page *page = is_vmalloc_addr(base) - ? vmalloc_to_page(base) - : virt_to_page(base); - unsigned offset = offset_in_page(base); - unsigned len = min_t(size_t, PAGE_SIZE - offset, size); - - BUG_ON(!bio_add_page(bio, page, len, offset)); - size -= len; - base += len; - } + if (is_vmalloc_addr(base)) + bio_add_vmalloc(bio, base, size); + else + bio_add_virt_nofail(bio, base, size); } int bch2_bio_alloc_pages(struct bio *bio, size_t size, gfp_t gfp_mask) |