From: Miklos Szeredi <miklos@szeredi.hu>
To: Florian Weimer <fweimer@redhat.com>
Cc: libc-alpha@sourceware.org, linux-man <linux-man@vger.kernel.org>,
Alejandro Colomar <alx@kernel.org>,
Linux API <linux-api@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, Karel Zak <kzak@redhat.com>,
Ian Kent <raven@themaw.net>, David Howells <dhowells@redhat.com>,
Christian Brauner <christian@brauner.io>,
Amir Goldstein <amir73il@gmail.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: proposed libc interface and man page for statmount(2)
Date: Fri, 17 Nov 2023 15:22:37 +0100 [thread overview]
Message-ID: <CAJfpegv7mGhNCyOULTNNPVskGYoeQAVK=s+k=p_3crP6fm+PPQ@mail.gmail.com> (raw)
In-Reply-To: <CAJfpegvqBtePer8HRuShe3PAHLbCg9YNUpOWzPg-+=gGwQJWpw@mail.gmail.com>
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On Thu, 16 Nov 2023 at 22:01, Miklos Szeredi <miklos@szeredi.hu> wrote:
> But I don't think the allocating one needs a size hint. Your
> suggestion of passing a buffer on the stack to the syscall and then
> copying to an exact sized malloc should take care of it. If the
> stack buffer is sized generously, then the loop will never need to
> repeat for any real life case.
int statmount(uint64_t mnt_id, uint64_t request_mask,
struct statmount *buf, size_t bufsize, unsigned int flags);
struct statmount *statmount_alloc(uint64_t mnt_id,
uint64_t request_mask, unsigned int flags);
Updated man page attached.
Thanks,
Miklos
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next prev parent reply other threads:[~2023-11-17 14:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-15 15:08 Miklos Szeredi
2023-11-16 20:12 ` Adhemerval Zanella Netto
2023-11-16 20:36 ` Florian Weimer
2023-11-16 21:01 ` Miklos Szeredi
2023-11-17 14:22 ` Miklos Szeredi [this message]
2023-11-17 14:47 ` Florian Weimer
2023-11-17 15:13 ` Miklos Szeredi
2023-11-17 15:50 ` Miklos Szeredi
2023-11-20 11:55 ` Miklos Szeredi
2023-11-20 12:16 ` Florian Weimer
2023-11-20 12:34 ` Miklos Szeredi
2023-11-20 23:56 ` Ian Kent
2023-11-21 0:58 ` Ian Kent
2023-11-21 1:12 ` Ian Kent
2023-11-21 1:33 ` Ian Kent
2023-11-21 19:42 ` Miklos Szeredi
2023-11-21 20:42 ` Zack Weinberg
2023-11-21 23:28 ` Ian Kent
2023-11-22 16:18 ` Zack Weinberg
2023-11-21 23:07 ` Ian Kent
2023-11-22 10:18 ` Christian Brauner
2023-11-20 15:38 ` Christian Brauner
2023-11-20 15:30 ` Christian Brauner
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