Re: [PATCH v3 4/4] ext4: correct the misjudgment in ext4_iget_extra_inode

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On Thu 16-06-22 10:13:58, Baokun Li wrote:
> Use the EXT4_INODE_HAS_XATTR_SPACE macro to more accurately
> determine whether the inode have xattr space.
> 
> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>

Looks good! Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/ext4/inode.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 53877ffe3c41..ae463cd9b405 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -4687,8 +4687,7 @@ static inline int ext4_iget_extra_inode(struct inode *inode,
>  	__le32 *magic = (void *)raw_inode +
>  			EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize;
>  
> -	if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize + sizeof(__le32) <=
> -	    EXT4_INODE_SIZE(inode->i_sb) &&
> +	if (EXT4_INODE_HAS_XATTR_SPACE(inode)  &&
>  	    *magic == cpu_to_le32(EXT4_XATTR_MAGIC)) {
>  		ext4_set_inode_state(inode, EXT4_STATE_XATTR);
>  		return ext4_find_inline_data_nolock(inode);
> -- 
> 2.31.1
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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