From: "Drew DeVault" <sir@cmpwn.com>
To: "Al Viro" <viro@zeniv.linux.org.uk>
Cc: <linux-fsdevel@vger.kernel.org>, <linux-api@vger.kernel.org>,
"Aleksa Sarai" <cyphar@cyphar.com>
Subject: Re: [RFC PATCH] fs: introduce mkdirat2 syscall for atomic mkdir
Date: Sat, 27 Feb 2021 21:21:09 -0500 [thread overview]
Message-ID: <C9KSZTRJ2CL6.DWD539LYTVZX@taiga> (raw)
In-Reply-To: <YDr8UihFQ3M469x8@zeniv-ca.linux.org.uk>
On Sat Feb 27, 2021 at 9:13 PM EST, Al Viro wrote:
> No to the ABI part; "on error it returns -E..., on success - 0 or a
> non-negative number representing a file descriptor (zero also
> possible, but unlikely)" is bloody awful as calling conventions go,
> especially since the case when 0 happens to be a descriptor is not
> going to get a lot of testing on the userland side.
Hm, I was just trying to mimic the behavior of open(2). Do you have a
better suggestion?
next prev parent reply other threads:[~2021-02-28 2:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-28 0:25 [RFC PATCH] fs: introduce mkdirat2 syscall for atomic mkdir Drew DeVault
2021-02-28 2:13 ` Al Viro
2021-02-28 2:21 ` Drew DeVault [this message]
2021-02-28 2:58 ` Al Viro
2021-02-28 13:56 ` Drew DeVault
2021-03-01 19:02 ` J. Bruce Fields
2021-03-08 13:50 ` Stefan Metzmacher
2021-02-28 2:24 ` Matthew Wilcox
2021-02-28 2:26 ` Drew DeVault
2021-02-28 4:03 ` Matthew Wilcox
2021-02-28 13:57 ` Drew DeVault
2021-03-01 19:09 ` J. Bruce Fields
2021-03-01 19:35 ` Matthew Wilcox
2021-03-01 20:10 ` J. Bruce Fields
2021-03-02 8:24 ` Miklos Szeredi
2021-03-02 7:13 ` Amir Goldstein
2021-03-03 2:39 ` Aleksa Sarai
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