diff options
| -rw-r--r-- | fs/io_uring.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 2978cc78538a..13fc60ab0490 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8586,27 +8586,24 @@ static void io_uring_cancel_task_requests(struct io_ring_ctx *ctx, */ static int io_uring_add_task_file(struct file *file) { - if (unlikely(!current->io_uring)) { + struct io_uring_task *tctx = current->io_uring; + + if (unlikely(!tctx)) { int ret; ret = io_uring_alloc_task_context(current); if (unlikely(ret)) return ret; + tctx = current->io_uring; } - if (current->io_uring->last != file) { - XA_STATE(xas, ¤t->io_uring->xa, (unsigned long) file); - void *old; + if (tctx->last != file) { + void *old = xa_load(&tctx->xa, (unsigned long)file); - rcu_read_lock(); - old = xas_load(&xas); - if (old != file) { + if (!old) { get_file(file); - xas_lock(&xas); - xas_store(&xas, file); - xas_unlock(&xas); + xa_store(&tctx->xa, (unsigned long)file, file, GFP_KERNEL); } - rcu_read_unlock(); - current->io_uring->last = file; + tctx->last = file; } return 0; |