linux-kernel - Re: [PATCH] fs/reiserfs: remove unused macros

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Date:   Tue, 21 Jan 2020 17:23:29 +0100
From:   Jan Kara <jack@...e.cz>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
        Bharath Vedartham <linux.bhar@...il.com>,
        Hariprasad Kelam <hariprasad.kelam@...il.com>,
        Jason Yan <yanaijie@...wei.com>,
        zhengbin <zhengbin13@...wei.com>,
        Jia-Ju Bai <baijiaju1990@...il.com>,
        reiserfs-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs/reiserfs: remove unused macros

On Tue 21-01-20 18:25:38, Alex Shi wrote:
> these macros are never used from introduced. better to
> remove them.
> 
> Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org> 
> Cc: Jan Kara <jack@...e.cz> 
> Cc: Bharath Vedartham <linux.bhar@...il.com> 
> Cc: Hariprasad Kelam <hariprasad.kelam@...il.com> 
> Cc: Jason Yan <yanaijie@...wei.com> 
> Cc: zhengbin <zhengbin13@...wei.com> 
> Cc: Jia-Ju Bai <baijiaju1990@...il.com> 
> Cc: reiserfs-devel@...r.kernel.org 
> Cc: linux-kernel@...r.kernel.org 

Thanks. I've added the patch to my tree.

								Honza

> ---
>  fs/reiserfs/journal.c | 2 --
>  fs/reiserfs/procfs.c  | 1 -
>  fs/reiserfs/stree.c   | 6 ------
>  3 files changed, 9 deletions(-)
> 
> diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
> index 4b3e3e73b512..072156c4f895 100644
> --- a/fs/reiserfs/journal.c
> +++ b/fs/reiserfs/journal.c
> @@ -56,8 +56,6 @@
>  /* gets a struct reiserfs_journal_list * from a list head */
>  #define JOURNAL_LIST_ENTRY(h) (list_entry((h), struct reiserfs_journal_list, \
>                                 j_list))
> -#define JOURNAL_WORK_ENTRY(h) (list_entry((h), struct reiserfs_journal_list, \
> -                               j_working_list))
>  
>  /* must be correct to keep the desc and commit structs at 4k */
>  #define JOURNAL_TRANS_HALF 1018
> diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
> index f2cf3441fdfc..ff336513c254 100644
> --- a/fs/reiserfs/procfs.c
> +++ b/fs/reiserfs/procfs.c
> @@ -63,7 +63,6 @@ static int show_version(struct seq_file *m, void *unused)
>  #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] )
>  
>  #define DJF( x ) le32_to_cpu( rs -> x )
> -#define DJV( x ) le32_to_cpu( s_v1 -> x )
>  #define DJP( x ) le32_to_cpu( jp -> x )
>  #define JF( x ) ( r -> s_journal -> x )
>  
> diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
> index da9ebe33882b..6051e7bbc221 100644
> --- a/fs/reiserfs/stree.c
> +++ b/fs/reiserfs/stree.c
> @@ -918,12 +918,6 @@ int comp_items(const struct item_head *stored_ih, const struct treepath *path)
>  	return memcmp(stored_ih, ih, IH_SIZE);
>  }
>  
> -/* unformatted nodes are not logged anymore, ever.  This is safe now */
> -#define held_by_others(bh) (atomic_read(&(bh)->b_count) > 1)
> -
> -/* block can not be forgotten as it is in I/O or held by someone */
> -#define block_in_use(bh) (buffer_locked(bh) || (held_by_others(bh)))
> -
>  /* prepare for delete or cut of direct item */
>  static inline int prepare_for_direct_item(struct treepath *path,
>  					  struct item_head *le_ih,
> -- 
> 1.8.3.1
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR