From: Al Viro <viro@zeniv.linux.org.uk>
To: Dominique Martinet <asmadeus@codewreck.org>
Cc: Eric Sandeen <sandeen@redhat.com>,
v9fs@lists.linux.dev, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, ericvh@kernel.org,
lucho@ionkov.net, linux_oss@crudebyte.com, eadavis@qq.com,
Remi Pommarel <repk@triplefau.lt>
Subject: Re: [PATCH V3 5/4] 9p: fix cache option printing in v9fs_show_options
Date: Wed, 3 Dec 2025 18:04:44 +0000 [thread overview]
Message-ID: <20251203180444.GG1712166@ZenIV> (raw)
In-Reply-To: <aTBRdeUvqF4rX778@codewreck.org>
On Thu, Dec 04, 2025 at 12:04:21AM +0900, Dominique Martinet wrote:
> Eric Sandeen wrote on Tue, Dec 02, 2025 at 07:09:42PM -0600:
> > >> - seq_printf(m, ",cache=%x", v9ses->cache);
> > >> + seq_printf(m, ",cache=0x%x", v9ses->cache);
> > >
> > > What's wrong with "cache=%#x"?
> >
> > Nothing, presumably - I did not know this existed TBH.
> >
> > (looks like that usage is about 1/10 of 0x%x currently)
>
> I don't have any preference here, but I've folded in %#x when applying
> because why not -- I've been seeing it slightly more often lately so I
> guess it's the "modern way" of doing this.
In 4BSD libc by October 1980, part of ANSI C variants all way back to C89.
Covered in K&R 2nd edition ('88); 3BSD didn't have it, neither did v7,
so I'd guess that it was done at some point in 1980, possibly late 1979.
So it's hardly something newfangled...
next prev parent reply other threads:[~2025-12-03 18:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-10 21:36 [PATCH V3 0/4] 9p: Convert to the new mount API Eric Sandeen
2025-10-10 21:36 ` [PATCH V3 1/4] fs/fs_parse: add back fsparam_u32hex Eric Sandeen
2025-10-10 21:36 ` [PATCH V3 2/4] net/9p: move structures and macros to header files Eric Sandeen
2025-10-10 21:36 ` [PATCH V3 3/4] 9p: create a v9fs_context structure to hold parsed options Eric Sandeen
2025-10-10 21:36 ` [PATCH V3 4/4] 9p: convert to the new mount API Eric Sandeen
2025-10-13 10:26 ` Dominique Martinet
2025-10-13 18:46 ` Eric Sandeen
2025-10-13 19:04 ` Dominique Martinet
2025-11-26 20:16 ` Remi Pommarel
2025-11-26 22:43 ` Dominique Martinet
2025-12-01 22:36 ` Eric Sandeen
2025-12-02 1:04 ` Dominique Martinet
2025-12-02 22:12 ` Eric Sandeen
2025-12-03 15:13 ` Dominique Martinet
2025-12-03 16:23 ` Eric Sandeen
2025-12-05 11:53 ` Remi Pommarel
2025-12-05 12:56 ` Dominique Martinet
2025-12-02 22:30 ` [PATCH V3 5/4] 9p: fix cache option printing in v9fs_show_options Eric Sandeen
2025-12-02 23:13 ` Al Viro
2025-12-03 1:09 ` Eric Sandeen
2025-12-03 15:04 ` Dominique Martinet
2025-12-03 18:04 ` Al Viro [this message]
2025-12-02 22:34 ` [PATCH V3 6/4] 9p: fix new mount API cache option handling Eric Sandeen
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