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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <153271267980.9458.7640156373438016898.stgit@warthog.procyon.org.uk> <153271291017.9458.7827028432894772673.stgit@warthog.procyon.org.uk> To: Andy Lutomirski Cc: dhowells@redhat.com, Al Viro , Linux API , Linus Torvalds , Linux FS Devel , LKML Subject: Re: [PATCH 34/38] vfs: syscall: Add fsinfo() to query filesystem information [ver #10] MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <9461.1532729545.1@warthog.procyon.org.uk> Content-Transfer-Encoding: 8BIT Date: Fri, 27 Jul 2018 23:12:25 +0100 Message-ID: <9462.1532729545@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 27 Jul 2018 22:12:27 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 27 Jul 2018 22:12:27 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.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 Andy Lutomirski wrote: > > Add a system call to allow filesystem information to be queried. A request > > value can be given to indicate the desired attribute. Support is provided > > for enumerating multi-value attributes. > > Has anyone seriously reviewed this? I don't know. I've certainly posted it before. > > params->request indicates the attribute/attributes to be queried. This can > > be one of: > > > > fsinfo_attr_statfs - statfs-style info > > fsinfo_attr_fsinfo - Information about fsinfo() > > Constants are almost always all caps. Is there any reason these are > lowercase? It looks better IMO, particularly for enum constants. I'm not sure if there are any rules about this in system vs user definitions. David