[5/5] jbd2: remove j_format_version

Message ID 20230310125206.2867822-6-chengzhihao1@huawei.com
State New
Headers
Series ext4: Fix stale buffer loading from last failed |

Commit Message

Zhihao Cheng March 10, 2023, 12:52 p.m. UTC
  From: Zhang Yi <yi.zhang@huawei.com>

journal->j_format_version is no longer used, remove it.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
---
 fs/jbd2/journal.c    | 9 ---------
 include/linux/jbd2.h | 5 -----
 2 files changed, 14 deletions(-)
  

Comments

Jan Kara March 13, 2023, 11:13 a.m. UTC | #1
On Fri 10-03-23 20:52:06, Zhihao Cheng wrote:
> From: Zhang Yi <yi.zhang@huawei.com>
> 
> journal->j_format_version is no longer used, remove it.
> 
> Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
> Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  fs/jbd2/journal.c    | 9 ---------
>  include/linux/jbd2.h | 5 -----
>  2 files changed, 14 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index cd94d068b4e6..fbada835b6b7 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -1997,15 +1997,6 @@ static int load_superblock(journal_t *journal)
>  
>  	sb = journal->j_superblock;
>  
> -	switch (be32_to_cpu(sb->s_header.h_blocktype)) {
> -	case JBD2_SUPERBLOCK_V1:
> -		journal->j_format_version = 1;
> -		break;
> -	case JBD2_SUPERBLOCK_V2:
> -		journal->j_format_version = 2;
> -		break;
> -	}
> -
>  	journal->j_tail_sequence = be32_to_cpu(sb->s_sequence);
>  	journal->j_tail = be32_to_cpu(sb->s_start);
>  	journal->j_first = be32_to_cpu(sb->s_first);
> diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
> index 7095c0f17ad0..b7c79f68f7ca 100644
> --- a/include/linux/jbd2.h
> +++ b/include/linux/jbd2.h
> @@ -792,11 +792,6 @@ struct journal_s
>  	 */
>  	journal_superblock_t	*j_superblock;
>  
> -	/**
> -	 * @j_format_version: Version of the superblock format.
> -	 */
> -	int			j_format_version;
> -
>  	/**
>  	 * @j_state_lock: Protect the various scalars in the journal.
>  	 */
> -- 
> 2.31.1
>
  

Patch

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index cd94d068b4e6..fbada835b6b7 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1997,15 +1997,6 @@  static int load_superblock(journal_t *journal)
 
 	sb = journal->j_superblock;
 
-	switch (be32_to_cpu(sb->s_header.h_blocktype)) {
-	case JBD2_SUPERBLOCK_V1:
-		journal->j_format_version = 1;
-		break;
-	case JBD2_SUPERBLOCK_V2:
-		journal->j_format_version = 2;
-		break;
-	}
-
 	journal->j_tail_sequence = be32_to_cpu(sb->s_sequence);
 	journal->j_tail = be32_to_cpu(sb->s_start);
 	journal->j_first = be32_to_cpu(sb->s_first);
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 7095c0f17ad0..b7c79f68f7ca 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -792,11 +792,6 @@  struct journal_s
 	 */
 	journal_superblock_t	*j_superblock;
 
-	/**
-	 * @j_format_version: Version of the superblock format.
-	 */
-	int			j_format_version;
-
 	/**
 	 * @j_state_lock: Protect the various scalars in the journal.
 	 */