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From: Mike Waychison <Michael.Waychison@Sun.COM>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Ram <linuxram@us.ibm.com>,
	Al Viro <viro@parcelfarce.linux.theplanet.co.uk>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] shared subtrees
Date: Tue, 25 Jan 2005 18:56:51 -0500	[thread overview]
Message-ID: <41F6DCC3.5040002@sun.com> (raw)
In-Reply-To: <20050125215511.GD21764@fieldses.org>

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J. Bruce Fields wrote:
> On Tue, Jan 25, 2005 at 04:47:04PM -0500, Mike Waychison wrote:
> 
>>Although Al hasn't explicitly defined the semantics for mount
>>- --make-shared, I think the idea is that 'only' that mountpoint becomes
>>tagged as shared (becomes a member of a p-node of size 1).
> 
> 
> On Thu, Jan 13, 2005 at 10:18:51PM +0000, Al Viro wrote:
> 
>>	* we can mark a subtree sharable.  Every vfsmount in the subtree
>>that is not already in some p-node gets a single-element p-node of its
>>own.
> 
> 
> Also, note that mount automatically sets up propagation that mirrors
> that of the mounted on vfsmount, so by default new mounts anywhere in
> the subtree will also be tagged as shared.
> 

Why not simply call this --make-rshared and keep --make-shared only
share a single mount then?

- --
Mike Waychison
Sun Microsystems, Inc.
1 (650) 352-5299 voice
1 (416) 202-8336 voice

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  reply	other threads:[~2005-01-25 23:56 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-13 22:18 [RFC] shared subtrees Al Viro
2005-01-13 23:30 ` Mike Waychison
2005-01-14  0:19   ` Al Viro
2005-01-14  1:11 ` Erez Zadok
2005-01-14  1:38   ` Al Viro
2005-01-16  0:46 ` J. Bruce Fields
2005-01-16  0:51   ` Al Viro
2005-01-16 16:02 ` J. Bruce Fields
2005-01-16 18:06   ` Al Viro
2005-01-16 18:42     ` J. Bruce Fields
2005-01-17  6:11       ` Al Viro
2005-01-17 17:32         ` J. Bruce Fields
2005-01-25 21:07           ` Ram
2005-01-25 21:47             ` Mike Waychison
2005-01-25 21:55               ` J. Bruce Fields
2005-01-25 23:56                 ` Mike Waychison [this message]
2005-01-25 22:02               ` Ram
2005-02-01 23:37                 ` J. Bruce Fields
2005-02-02  1:37                   ` J. Bruce Fields
2005-02-01 23:21             ` J. Bruce Fields
2005-02-02 18:36               ` Ram
2005-02-02 19:45                 ` Mike Waychison
2005-02-02 20:33                   ` Ram
2005-02-02 21:08                     ` Mike Waychison
2005-02-02 21:25                       ` J. Bruce Fields
2005-02-02 21:33                         ` Mike Waychison
2005-02-02 21:48                           ` J. Bruce Fields
2005-04-05  9:37         ` Ram
2005-01-17 18:31 ` Mike Waychison
2005-01-17 19:00   ` J. Bruce Fields
2005-01-17 19:30     ` Mike Waychison
2005-01-17 19:32       ` J. Bruce Fields
2005-01-17 20:11         ` Mike Waychison
2005-01-17 20:39           ` Al Viro
2005-01-18 19:44             ` Mike Waychison
2005-01-17 21:21           ` J. Bruce Fields
2005-01-28 22:31 ` Mike Waychison
2005-01-29  4:40   ` raven
2005-01-31 17:19     ` Mike Waychison
2005-02-01  1:31       ` Ian Kent
2005-02-01  2:28   ` Ram
2005-02-01  7:02     ` Mike Waychison
2005-02-01 19:27       ` Ram
2005-02-01 21:15         ` Mike Waychison
2005-02-01 23:33           ` Ram
2005-02-02  2:10           ` J. Bruce Fields

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