Re: [PATCH] btrfs-progs: remove raid stripe encoding

[David Sterba <dsterba@suse.cz>]

On Thu, Jun 20, 2024 at 09:54:55AM +0200, Johannes Thumshirn wrote:
> From: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> 
> Remove the not needed encoding and reserved fields in struct
> raid_stripe_extent.
> 
> This saves 8 bytes per stripe extent.
> 
> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> ---
>  kernel-shared/accessors.h       |  3 ---
>  kernel-shared/print-tree.c      | 33 +--------------------------------
>  kernel-shared/uapi/btrfs_tree.h | 14 +-------------
>  3 files changed, 2 insertions(+), 48 deletions(-)

This fails to compiler because the tree-checker.c code still references
the removed functions:

kernel-shared/tree-checker.c: In function ‘check_raid_stripe_extent’:
kernel-shared/tree-checker.c:1740:17: warning: implicit declaration of function ‘btrfs_stripe_extent_encoding’; did you mean ‘btrfs_file_extent_end’? [-Wimplicit-function-declaration]
 1740 |         switch (btrfs_stripe_extent_encoding(leaf, stripe_extent)) {
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~