Re: [PATCH v3 3/4] ext4: correct max_inline_xattr_value_size computing

From: Jan Kara
Date: Thu Jun 16 2022 - 06:09:02 EST


On Thu 16-06-22 10:13:57, Baokun Li wrote:
> If the ext4 inode does not have xattr space, 0 is returned in the
> get_max_inline_xattr_value_size function. Otherwise, the function returns
> a negative value when the inode does not contain EXT4_STATE_XATTR.
>
> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> fs/ext4/inline.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
> index cff52ff6549d..da5de43623dd 100644
> --- a/fs/ext4/inline.c
> +++ b/fs/ext4/inline.c
> @@ -35,6 +35,9 @@ static int get_max_inline_xattr_value_size(struct inode *inode,
> struct ext4_inode *raw_inode;
> int free, min_offs;
>
> + if (!EXT4_INODE_HAS_XATTR_SPACE(inode))
> + return 0;
> +
> min_offs = EXT4_SB(inode->i_sb)->s_inode_size -
> EXT4_GOOD_OLD_INODE_SIZE -
> EXT4_I(inode)->i_extra_isize -
> --
> 2.31.1
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR