diff mbox series

[17/21] ext4: remove unnecessary count2 in ext4_free_data_in_buddy

Message ID 20230209194825.511043-18-shikemeng@huaweicloud.com
State New
Headers
Series Some bugfix and cleanup to mballoc |

Commit Message

Kemeng Shi Feb. 9, 2023, 7:48 p.m. UTC 
  count2 is always 1 in mb_debug, just remove unnecessary count2.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 fs/ext4/mballoc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Ojaswin Mujoo Feb. 13, 2023, 7:56 p.m. UTC | #1 
On Fri, Feb 10, 2023 at 03:48:21AM +0800, Kemeng Shi wrote:
> count2 is always 1 in mb_debug, just remove unnecessary count2.
> 
> Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
> ---
>  fs/ext4/mballoc.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index 289dcd81dd5a..f9fc461b633f 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -3590,7 +3590,7 @@ static void ext4_free_data_in_buddy(struct super_block *sb,
>  {
>  	struct ext4_buddy e4b;
>  	struct ext4_group_info *db;
> -	int err, count = 0, count2 = 0;
> +	int err, count = 0;
>  
>  	mb_debug(sb, "gonna free %u blocks in group %u (0x%p):",
>  		 entry->efd_count, entry->efd_group, entry);
> @@ -3606,7 +3606,6 @@ static void ext4_free_data_in_buddy(struct super_block *sb,
>  	db = e4b.bd_info;
>  	/* there are blocks to put in buddy to make them really free */
>  	count += entry->efd_count;
> -	count2++;
>  	ext4_lock_group(sb, entry->efd_group);
>  	/* Take it out of per group rb tree */
>  	rb_erase(&entry->efd_node, &(db->bb_free_root));
> @@ -3631,8 +3630,7 @@ static void ext4_free_data_in_buddy(struct super_block *sb,
>  	ext4_unlock_group(sb, entry->efd_group);
>  	ext4_mb_unload_buddy(&e4b);
>  
> -	mb_debug(sb, "freed %d blocks in %d structures\n", count,
> -		 count2);
> +	mb_debug(sb, "freed %d blocks in 1 structures\n", count);
>  }
>  
>  /*
> -- 
> 2.30.0
> 
If we always have 1 in the debug message, maybe we can change "structures"
to "structure". Other than that, feel free to add:

Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
diff mbox series

Patch

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 289dcd81dd5a..f9fc461b633f 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3590,7 +3590,7 @@  static void ext4_free_data_in_buddy(struct super_block *sb,
 {
 	struct ext4_buddy e4b;
 	struct ext4_group_info *db;
-	int err, count = 0, count2 = 0;
+	int err, count = 0;
 
 	mb_debug(sb, "gonna free %u blocks in group %u (0x%p):",
 		 entry->efd_count, entry->efd_group, entry);
@@ -3606,7 +3606,6 @@  static void ext4_free_data_in_buddy(struct super_block *sb,
 	db = e4b.bd_info;
 	/* there are blocks to put in buddy to make them really free */
 	count += entry->efd_count;
-	count2++;
 	ext4_lock_group(sb, entry->efd_group);
 	/* Take it out of per group rb tree */
 	rb_erase(&entry->efd_node, &(db->bb_free_root));
@@ -3631,8 +3630,7 @@  static void ext4_free_data_in_buddy(struct super_block *sb,
 	ext4_unlock_group(sb, entry->efd_group);
 	ext4_mb_unload_buddy(&e4b);
 
-	mb_debug(sb, "freed %d blocks in %d structures\n", count,
-		 count2);
+	mb_debug(sb, "freed %d blocks in 1 structures\n", count);
 }
 
 /*