mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

[linux-block.git] / fs / io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 9d4bd0d3a0807858a0abefeca2e1330fe28884ce..9fb0dc6033ba32515b11da44e5803a5f4197e6cd 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -7186,7 +7186,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg,
                }
 
                ret = 0;
-               down_read(&current->mm->mmap_sem);
+               mmap_read_lock(current->mm);
                pret = pin_user_pages(ubuf, nr_pages,
                                      FOLL_WRITE | FOLL_LONGTERM,
                                      pages, vmas);
@@ -7204,7 +7204,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg,
                } else {
                        ret = pret < 0 ? pret : -EFAULT;
                }
-               up_read(&current->mm->mmap_sem);
+               mmap_read_unlock(current->mm);
                if (ret) {
                        /*
                         * if we did partial map, or found file backed vmas,