From: Jeremy Allison <jra@samba.org>
To: Aleksa Sarai <cyphar@cyphar.com>
Cc: "Stefan Metzmacher" <metze@samba.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"David Howells" <dhowells@redhat.com>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Ian Kent" <raven@themaw.net>,
"Miklos Szeredi" <mszeredi@redhat.com>,
"Christian Brauner" <christian@brauner.io>,
"Jann Horn" <jannh@google.com>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
"Karel Zak" <kzak@redhat.com>,
jlayton@redhat.com, "Linux API" <linux-api@vger.kernel.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
"LSM List" <linux-security-module@vger.kernel.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Ralph Böhme" <slow@samba.org>, "Volker Lendecke" <vl@sernet.de>
Subject: Re: [PATCH 01/14] VFS: Add additional RESOLVE_* flags [ver #18]
Date: Fri, 13 Mar 2020 09:48:57 -0700 [thread overview]
Message-ID: <20200313164857.GA17682@jeremy-acer> (raw)
In-Reply-To: <20200313095901.tdv4vl7envypgqfz@yavin>
On Fri, Mar 13, 2020 at 08:59:01PM +1100, Aleksa Sarai wrote:
>
> I have heard some folks asking for a way to create a directory and get a
> handle to it atomically -- so arguably this is something that could be
> inside openat2()'s feature set (O_MKDIR?). But I'm not sure how popular
> of an idea this is.
This would be very useful to prevent race conditions between making
a directory and EA's on it, as are needed by Samba for
DOS attributes and Windows/NFSv4 ACLS.
next prev parent reply other threads:[~2020-03-13 16:49 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-09 14:00 [PATCH 00/14] VFS: Filesystem information [ver #18] David Howells
2020-03-09 14:00 ` [PATCH 01/14] VFS: Add additional RESOLVE_* flags " David Howells
2020-03-09 20:56 ` Stefan Metzmacher
2020-03-09 21:13 ` David Howells
[not found] ` <20200310005549.adrn3yf4mbljc5f6@yavin>
2020-03-10 1:14 ` Linus Torvalds
2020-03-10 7:25 ` David Howells
2020-03-11 17:59 ` Linus Torvalds
2020-03-12 9:08 ` Stefan Metzmacher
2020-03-12 16:24 ` Linus Torvalds
2020-03-12 17:11 ` Stefan Metzmacher
2020-03-12 19:37 ` Al Viro
2020-03-12 21:48 ` Jeremy Allison
[not found] ` <20200313095901.tdv4vl7envypgqfz@yavin>
2020-03-13 16:48 ` Jeremy Allison [this message]
2020-03-13 18:28 ` Al Viro
2020-03-13 18:35 ` Jeremy Allison
2020-03-16 14:20 ` Aleksa Sarai
2020-03-12 19:25 ` Al Viro
2020-03-12 16:56 ` David Howells
2020-03-12 18:09 ` Linus Torvalds
2020-03-09 14:01 ` [PATCH 02/14] fsinfo: Add fsinfo() syscall to query filesystem information " David Howells
2020-03-10 9:31 ` Christian Brauner
2020-03-10 9:32 ` [PATCH v19 01/14] fsinfo: Add fsinfo() syscall to query filesystem information Christian Brauner
2020-03-10 9:32 ` [PATCH v19 14/14] arch: wire up fsinfo syscall Christian Brauner
2020-03-09 14:01 ` [PATCH 03/14] fsinfo: Provide a bitmap of supported features [ver #18] David Howells
2020-03-09 14:01 ` [PATCH 04/14] fsinfo: Allow retrieval of superblock devname, options and stats " David Howells
2020-03-09 14:01 ` [PATCH 05/14] fsinfo: Allow fsinfo() to look up a mount object by ID " David Howells
2020-03-09 14:01 ` [PATCH 06/14] fsinfo: Add a uniquifier ID to struct mount " David Howells
2020-03-09 14:01 ` [PATCH 07/14] fsinfo: Allow mount information to be queried " David Howells
2020-03-10 9:04 ` Miklos Szeredi
2020-03-09 14:02 ` [PATCH 08/14] fsinfo: Allow the mount topology propogation flags to be retrieved " David Howells
2020-03-10 8:42 ` Christian Brauner
2020-03-09 14:02 ` [PATCH 09/14] fsinfo: Provide notification overrun handling support " David Howells
2020-03-09 14:02 ` [PATCH 10/14] fsinfo: sample: Mount listing program " David Howells
2020-03-09 14:02 ` [PATCH 11/14] fsinfo: Add API documentation " David Howells
2020-03-09 14:02 ` [PATCH 12/14] fsinfo: Add support for AFS " David Howells
2020-03-09 14:02 ` [PATCH 13/14] fsinfo: Example support for Ext4 " David Howells
2020-03-09 14:02 ` [PATCH 14/14] fsinfo: Example support for NFS " David Howells
2020-03-09 17:50 ` [PATCH 00/14] VFS: Filesystem information " Jeff Layton
2020-03-09 19:22 ` Andres Freund
2020-03-09 22:49 ` Jeff Layton
2020-03-10 0:18 ` Andres Freund
2020-03-09 20:02 ` Miklos Szeredi
2020-03-09 22:52 ` David Howells
2020-03-10 9:18 ` Miklos Szeredi
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