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66 lines
3.7 KiB
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From: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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Subject: Re: [RFC][PATCH 06/10] cifs: define inode-level cache object and register them
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Date: Sat, 26 Jun 2010 00:04:28 +0100
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Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley
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Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United
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Kingdom.
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Registered in England and Wales under Company Registration No. 3798903
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Lines: 18
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Message-ID: <20123.1277507068@redhat.com>
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References: <20100625182651.36800d06@tlielax.poochiereds.net> <20100625125306.7f9b1966@tlielax.poochiereds.net> <4C24A606.5040001@suse.de> <1277220214-3597-1-git-send-email-sjayaraman@suse.de> <yes> <9822.1277312573@redhat.com> <22697.1277470549@redhat.com> <18628.1277502398@redhat.com>
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Cc: dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>,
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Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org
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To: Jeff Layton <jlayton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>
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X-From: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Sat Jun 26 01:04:45 2010
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Return-path: <linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
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id 1OSHww-0006Jk-NV
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for glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org; Sat, 26 Jun 2010 01:04:43 +0200
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Received: (majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) by vger.kernel.org via listexpand
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In-Reply-To: <20100625182651.36800d06-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
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Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/1003153>
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Jeff Layton <jlayton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org> wrote:
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> IIUC, updating mtime for a write is also an attribute change, and that
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> affects ctime. According to the stat(2) manpage:
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You're right. Okay, ctime is the more frequently changed.
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> > Note that Ext4 appears to have a file creation time field in its inode
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> > (struct ext4_inode::i_crtime[_extra]). Can Samba be made to use that?
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>
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> Is it exposed to userspace in any (standard) way? It would be handy to
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> have that. While we're wishing...it might also be nice to have a
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> standard way to get at the i_generation from userspace too.
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Not at present, but it's something that could be exported by ioctl() or
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getxattr().
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David
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