linux-kernel - Re: 回复: [PATCH v4] selftests/landlock:Fix two build issues

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Date: Tue, 23 Jan 2024 16:32:52 +0100
From: Mickaël Salaün <mic@...ikod.net>
To: Huyadi <hu.yadi@....com>
Cc: "jmorris@...ei.org" <jmorris@...ei.org>, 
	"serge@...lyn.com" <serge@...lyn.com>, "shuah@...nel.org" <shuah@...nel.org>, 
	"mathieu.desnoyers@...icios.com" <mathieu.desnoyers@...icios.com>, "amir73il@...il.com" <amir73il@...il.com>, 
	"brauner@...nel.org" <brauner@...nel.org>, "avagin@...gle.com" <avagin@...gle.com>, 
	"linux-api@...r.kernel.org" <linux-api@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"linux-security-module@...r.kernel.org" <linux-security-module@...r.kernel.org>, 
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>, "514118380@...com" <514118380@...com>, 
	"konstantin.meskhidze@...wei.com" <konstantin.meskhidze@...wei.com>
Subject: Re: 回复: [PATCH v4]
 selftests/landlock:Fix two build issues

On Tue, Jan 23, 2024 at 12:04:17PM +0000, Huyadi wrote:
> 
> >> Changes v3 -> v2:
> >>  - add helper of gettid instead of __NR_gettid
> >>  - add gcc/glibc version info in comments Changes v1 -> v2:
> >>  - fix whitespace error
> >>  - replace SYS_gettid with _NR_gettid
> >> 
> >>  tools/testing/selftests/landlock/fs_test.c  | 5 ++++-  
> >> tools/testing/selftests/landlock/net_test.c | 7 ++++++-
> >>  2 files changed, 10 insertions(+), 2 deletions(-)
> >> 
> >> diff --git a/tools/testing/selftests/landlock/fs_test.c 
> >> b/tools/testing/selftests/landlock/fs_test.c
> >> index 18e1f86a6234..a992cf7c0ad1 100644
> >> --- a/tools/testing/selftests/landlock/fs_test.c
> >> +++ b/tools/testing/selftests/landlock/fs_test.c
> >> @@ -4572,7 +4572,10 @@ FIXTURE_VARIANT(layout3_fs)
> >>  /* clang-format off */
> >>  FIXTURE_VARIANT_ADD(layout3_fs, tmpfs) {
> >>  	/* clang-format on */
> >> -	.mnt = mnt_tmp,
> >> +	.mnt = {
> >> +		.type = "tmpfs",
> >> +		.data = "size=4m,mode=700",
> >> +	},
> >
> >I requested some changes here.
> >
> 
> Could you give me some inspiration how to fix it? 
> it looks fine to me to assign value as above, which consistent with other pseudo FS tests.
> Thanks in advance.

Just add and use this for the two tmpfs data:
#define MNT_TMP_DATA "size=4m,mode=700"

You can also make the mnt_tmp variable static const.


> 
> >>  	.file_path = file1_s1d1,
> >>  };
> >> 
>