Re: [PATCH] ext4: Optimize memory usage in xattr

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On Fri 28-04-23 11:55:17, JunChao Sun wrote:
> Currently struct ext4_attr_info->in_inode use int, but the
> value is only 0 or 1, so replace int with bool.
> 
> Signed-off-by: JunChao Sun <sunjunchao2870@xxxxxxxxx>

Looks fine. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/ext4/xattr.c | 8 ++++----
>  fs/ext4/xattr.h | 2 +-
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
> index 767454d..d57408c 100644
> --- a/fs/ext4/xattr.c
> +++ b/fs/ext4/xattr.c
> @@ -1639,7 +1639,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
>  	struct ext4_xattr_entry *last, *next;
>  	struct ext4_xattr_entry *here = s->here;
>  	size_t min_offs = s->end - s->base, name_len = strlen(i->name);
> -	int in_inode = i->in_inode;
> +	bool in_inode = i->in_inode;
>  	struct inode *old_ea_inode = NULL;
>  	struct inode *new_ea_inode = NULL;
>  	size_t old_size, new_size;
> @@ -2354,7 +2354,7 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
>  		.name = name,
>  		.value = value,
>  		.value_len = value_len,
> -		.in_inode = 0,
> +		.in_inode = false,
>  	};
>  	struct ext4_xattr_ibody_find is = {
>  		.s = { .not_found = -ENODATA, },
> @@ -2441,7 +2441,7 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
>  		if (ext4_has_feature_ea_inode(inode->i_sb) &&
>  		    (EXT4_XATTR_SIZE(i.value_len) >
>  			EXT4_XATTR_MIN_LARGE_EA_SIZE(inode->i_sb->s_blocksize)))
> -			i.in_inode = 1;
> +			i.in_inode = true;
>  retry_inode:
>  		error = ext4_xattr_ibody_set(handle, inode, &i, &is);
>  		if (!error && !bs.s.not_found) {
> @@ -2467,7 +2467,7 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
>  				 */
>  				if (ext4_has_feature_ea_inode(inode->i_sb) &&
>  				    i.value_len && !i.in_inode) {
> -					i.in_inode = 1;
> +					i.in_inode = true;
>  					goto retry_inode;
>  				}
>  			}
> diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
> index 824faf0..355d373 100644
> --- a/fs/ext4/xattr.h
> +++ b/fs/ext4/xattr.h
> @@ -113,7 +113,7 @@ struct ext4_xattr_info {
>  	const void *value;
>  	size_t value_len;
>  	int name_index;
> -	int in_inode;
> +	bool in_inode;
>  };
>  
>  struct ext4_xattr_search {
> -- 
> 1.8.3.1
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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