Re: [RFC PATCH v5 09/10] fs: introduce new helper sync_fs_and_blockdev()

[Chengguang Xu]

 ---- 在 星期二, 2021-10-19 15:15:28 Amir Goldstein <amir73il@xxxxxxxxx> 撰写 ----
 > On Thu, Sep 23, 2021 at 4:08 PM Chengguang Xu <cgxu519@xxxxxxxxxxxx> wrote:
 > >
 > > Overlayfs needs to call upper layer's ->sync_fs
 > > and __sync_blockdev() to sync metadata during syncfs(2).
 > >
 > > Currently, __sync_blockdev() does not export to module
 > > so introduce new helper sync_fs_and_blockdev() to wrap
 > > those operations.
 > 
 > Heads up: looks like __sync_blockdev() will be gone soon,
 > but you will have other exported symbols that overlayfs can use
 > 
 > https://lore.kernel.org/linux-fsdevel/20211019062530.2174626-1-hch@xxxxxx/T/
 > 

Hi Amir,

Thanks for the information.

Chengguang,