On Thu, Dec 01, 2016 at 01:46:10PM -0800, Liu Bo wrote:
> btrfs_ordered_update_i_size can be called by truncate and endio, but only
> endio
> takes ordered_extent which contains the completed IO.
>
> while truncating down a file, if there are some in-flight IOs,
> btrfs_ordered_update_i_size in
btrfs_ordered_update_i_size can be called by truncate and endio, but only endio
takes ordered_extent which contains the completed IO.
while truncating down a file, if there are some in-flight IOs,
btrfs_ordered_update_i_size in endio will set disk_i_size to @orig_offset that
is zero. If
