linux-kernel - Re: [PATCH v3 02/12] tools/nolibc: add missing nanoseconds support for __NR

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Date:   Sun, 4 Jun 2023 14:00:02 +0200
From:   Thomas Weißschuh <thomas@...ch.de>
To:     Willy Tarreau <w@....eu>
Cc:     Zhangjin Wu <falcon@...ylab.org>, arnd@...db.de,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 02/12] tools/nolibc: add missing nanoseconds support
 for __NR_statx

On 2023-06-04 13:18:35+0200, Willy Tarreau wrote:
> On Sat, Jun 03, 2023 at 04:02:04PM +0800, Zhangjin Wu wrote:
> > Commit a89c937d781a ("tools/nolibc: support nanoseconds in stat()")
> > added nanoseconds for stat() but missed the statx case, this adds it.
> > 
> > The stx_atime, stx_mtime, stx_ctime are in type of 'struct
> > statx_timestamp', which is incompatible with 'struct timespec', should
> > convert explicitly.
> > 
> >     /* include/uapi/linux/stat.h */
> > 
> >     struct statx_timestamp {
> >     	__s64	tv_sec;
> >     	__u32	tv_nsec;
> >     	__s32	__reserved;
> >     };
> > 
> >     /* include/uapi/linux/time.h */
> >     struct timespec {
> >     	__kernel_old_time_t	tv_sec;		/* seconds */
> >     	long			tv_nsec;	/* nanoseconds */
> >     };
> > 
> > Without this patch, the stat_timestamps test case would fail when
> > __NR_statx defined.
> > 
> > Fixes: a89c937d781a ("tools/nolibc: support nanoseconds in stat()")
> > Suggested-by: Thomas Weißschuh <linux@...ssschuh.net>
> > Link: https://lore.kernel.org/linux-riscv/3a3edd48-1ace-4c89-89e8-9c594dd1b3c9@t-8ch.de/
> > Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
> 
> Thank you. I've queued it immediately after Thomas' patch.
> I'll let the two of you tell me if it's better to squash them
> together to avoid breaking bisect and mark you co-authors.

Squashing them sounds like the correct solution to me.

Thomas