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[2/7] jbd2: remove dead check in journal_alloc_journal_head

Message ID 20240730113335.2365290-3-shikemeng@huaweicloud.com
State Superseded
Headers show
Series Fix and cleanups to jbd2 | expand

Commit Message

Kemeng Shi July 30, 2024, 11:33 a.m. UTC 
We will alloc journal_head with __GFP_NOFAIL anyway, test for failure
is pointless.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 fs/jbd2/journal.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Jan Kara July 30, 2024, 1:23 p.m. UTC | #1 
On Tue 30-07-24 19:33:30, Kemeng Shi wrote:
> We will alloc journal_head with __GFP_NOFAIL anyway, test for failure
> is pointless.
> 
> Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>

Why not. Feel free to add:

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

								Honza

> ---
>  fs/jbd2/journal.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index da5a56d700f1..b5d02de1ffff 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -2866,8 +2866,7 @@ static struct journal_head *journal_alloc_journal_head(void)
>  		ret = kmem_cache_zalloc(jbd2_journal_head_cache,
>  				GFP_NOFS | __GFP_NOFAIL);
>  	}
> -	if (ret)
> -		spin_lock_init(&ret->b_state_lock);
> +	spin_lock_init(&ret->b_state_lock);
>  	return ret;
>  }
>  
> -- 
> 2.30.0
>
Zhang Yi July 31, 2024, 3:30 a.m. UTC | #2 
On 2024/7/30 19:33, Kemeng Shi wrote:
> We will alloc journal_head with __GFP_NOFAIL anyway, test for failure
> is pointless.
> 
> Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>

A nice cleanup.

Reviewed-by: Zhang Yi <yi.zhang@huawei.com>

> ---
>  fs/jbd2/journal.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index da5a56d700f1..b5d02de1ffff 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -2866,8 +2866,7 @@ static struct journal_head *journal_alloc_journal_head(void)
>  		ret = kmem_cache_zalloc(jbd2_journal_head_cache,
>  				GFP_NOFS | __GFP_NOFAIL);
>  	}
> -	if (ret)
> -		spin_lock_init(&ret->b_state_lock);
> +	spin_lock_init(&ret->b_state_lock);
>  	return ret;
>  }
>  
>
diff mbox series

Patch

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index da5a56d700f1..b5d02de1ffff 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2866,8 +2866,7 @@  static struct journal_head *journal_alloc_journal_head(void)
 		ret = kmem_cache_zalloc(jbd2_journal_head_cache,
 				GFP_NOFS | __GFP_NOFAIL);
 	}
-	if (ret)
-		spin_lock_init(&ret->b_state_lock);
+	spin_lock_init(&ret->b_state_lock);
 	return ret;
 }