On 03/27, Chao Yu wrote:
> Otherwise, for compressed inode, returned physical block address
> may be wrong.

We can use bmap to check the allocated (non)compressed blocks.

> 
> Signed-off-by: Chao Yu <yuch...@huawei.com>
> ---
>  fs/f2fs/data.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 24643680489b..f22f3ba10a48 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -3591,6 +3591,8 @@ static sector_t f2fs_bmap(struct address_space 
> *mapping, sector_t block)
>  
>       if (f2fs_has_inline_data(inode))
>               return 0;
> +     if (f2fs_compressed_file(inode))
> +             return 0;
>  
>       /* make sure allocating whole blocks */
>       if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))
> -- 
> 2.18.0.rc1


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