linux-kernel - Re: [PATCH v4 2/2] staging: erofs: complete POSIX ACL support

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Message-ID: <20190129084320.GN1795@kadam>
Date:   Tue, 29 Jan 2019 11:43:20 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Gao Xiang <gaoxiang25@...wei.com>
Cc:     Chao Yu <yuchao0@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-erofs@...ts.ozlabs.org,
        Chao Yu <chao@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        weidu.du@...wei.com, Fang Wei <fangwei1@...wei.com>,
        Miao Xie <miaoxie@...wei.com>
Subject: Re: [PATCH v4 2/2] staging: erofs: complete POSIX ACL support

On Tue, Jan 29, 2019 at 04:35:20PM +0800, Gao Xiang wrote:
> Let's add .get_acl() to read the file's acl from its xattrs
> to make POSIX ACL usable.
> 
> Here is the on-disk detail,
> fullname: system.posix_acl_access
> struct erofs_xattr_entry:
>         .e_name_len = 0
>         .e_name_index = EROFS_XATTR_INDEX_POSIX_ACL_ACCESS (2)
> 
> fullname: system.posix_acl_default
> struct erofs_xattr_entry:
> 	.e_name_len = 0
> 	.e_name_index = EROFS_XATTR_INDEX_POSIX_ACL_DEFAULT (3)
> 
> Reviewed-by: Chao Yu <yuchao0@...wei.com>
> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
> ---
> change log v4:
>  - leave kmalloc and wait the conclusion of fault injection
>    pointed out by Dan Carpenter;

I do think this is the right thing, but I also wasn't going to ask you
do redo v3.  Anyway, thanks!

regards,
dan carpenter