Re: [PATCH 3/5] exportfs: make ->encode_fh() a mandatory method for NFS export

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On Wed 18-10-23 12:59:58, Amir Goldstein wrote:
> export_operations ->encode_fh() no longer has a default implementation to
> encode FILEID_INO32_GEN* file handles.
> 
> Rename the default helper for encoding FILEID_INO32_GEN* file handles to
> generic_encode_ino32_fh() and convert the filesystems that used the
> default implementation to use the generic helper explicitly.
> 
> This is a step towards allowing filesystems to encode non-decodeable file
> handles for fanotify without having to implement any export_operations.
> 
> Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>

Just one typo cleanup. Also I agree we need a "nop" variant of
generic_encode_ino32_fh() or move this to fs/libfs.c like e.g.
generic_fh_to_dentry().

> diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst
> index 4d05b9862451..197ef78a5014 100644
> --- a/Documentation/filesystems/porting.rst
> +++ b/Documentation/filesystems/porting.rst
> @@ -1045,3 +1045,12 @@ filesystem type is now moved to a later point when the devices are closed:
>  As this is a VFS level change it has no practical consequences for filesystems
>  other than that all of them must use one of the provided kill_litter_super(),
>  kill_anon_super(), or kill_block_super() helpers.
> +
> +---
> +
> +**mandatory**
> +
> +export_operations ->encode_fh() no longer has a default implementation to
> +encode FILEID_INO32_GEN* file handles.
> +Fillesystems that used the default implementation may use the generic helper
   ^^^ Filesystems

> +generic_encode_ino32_fh() explicitly.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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