On 11/23/23 2:20 AM, Amir Goldstein wrote:
> The callers of vfs_iter_write() are required to hold file_start_write().
> file_start_write() is a no-op for the S_ISBLK() case, but it is really
> needed when the backing file is a regular file.
>
> We are going to move file_{start,end}_write() into vfs_iter_write(), but
> we need to fix this first, so that the fix could be backported to stable
> kernels.
Reviewed-by: Jens Axboe <axboe@xxxxxxxxx>
--
Jens Axboe
