linux-kernel - Re: [PATCH 1/2] fat: remove i_version handling from fat_update

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Message-ID: <87r0oan6sk.fsf@mail.parknet.co.jp>
Date:   Fri, 11 Aug 2023 02:31:07 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>,
        Frank Sorenson <sorenson@...hat.com>, Jan Kara <jack@...e.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 1/2] fat: remove i_version handling from fat_update_time

Jeff Layton <jlayton@...nel.org> writes:

> commit 6bb885ecd746 (fat: add functions to update and truncate
> timestamps appropriately") added an update_time routine for fat. That
> patch added a section for handling the S_VERSION bit, even though FAT
> doesn't enable SB_I_VERSION and the S_VERSION bit will never be set when
> calling it.
>
> Remove the section for handling S_VERSION since it's effectively dead
> code, and will be problematic vs. future changes.
>
> Cc: Frank Sorenson <sorenson@...hat.com>
> Signed-off-by: Jeff Layton <jlayton@...nel.org>

Acked-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>

Thanks.

> ---
>  fs/fat/misc.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/fs/fat/misc.c b/fs/fat/misc.c
> index ab28173348fa..37f4afb346af 100644
> --- a/fs/fat/misc.c
> +++ b/fs/fat/misc.c
> @@ -354,9 +354,6 @@ int fat_update_time(struct inode *inode, int flags)
>  			dirty_flags |= I_DIRTY_SYNC;
>  	}
>  
> -	if ((flags & S_VERSION) && inode_maybe_inc_iversion(inode, false))
> -		dirty_flags |= I_DIRTY_SYNC;
> -
>  	__mark_inode_dirty(inode, dirty_flags);
>  	return 0;
>  }

-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>