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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <153126248868.14533.9751473662727327569.stgit@warthog.procyon.org.uk> <153126264966.14533.3388004240803696769.stgit@warthog.procyon.org.uk> <686E805C-81F3-43D0-A096-50C644C57EE3@amacapital.net> <22370.1531293761@warthog.procyon.org.uk> <7002.1531407244@warthog.procyon.org.uk> <338BC3C4-F3E7-48F0-A82E-2C7295B6640E@amacapital.net> <17749.1531429218@warthog.procyon.org.uk> To: Linus Torvalds Cc: dhowells@redhat.com, Andy Lutomirski , Andrew Lutomirski , Al Viro , Linux API , linux-fsdevel , Linux Kernel Mailing List , Jann Horn , Tycho Andersen Subject: Re: [PATCH 24/32] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #9] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <21130.1531488422.1@warthog.procyon.org.uk> Date: Fri, 13 Jul 2018 14:27:02 +0100 Message-ID: <21131.1531488422@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 13 Jul 2018 13:27:04 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 13 Jul 2018 13:27:04 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'dhowells@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Whilst I'm at it, do we want the option of doing the equivalent of mountat()? I.e. offering the option to open all the device files used by a superblock with dfd and AT_* flags in combination with the filename? David