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From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Pavel Emelyanov <xemul@parallels.com>,
	"J. Bruce Fields" <bfields@fieldses.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	James Bottomley <jbottomley@parallels.com>,
	Matthew Helsley <matt.helsley@gmail.com>
Subject: Re: [patch 4/8] fs, exportfs: Add export_encode_inode_fh helper
Date: Thu, 16 Aug 2012 17:54:48 +0400	[thread overview]
Message-ID: <20120816135448.GP32081@moon> (raw)
In-Reply-To: <20120816135019.GS23464@ZenIV.linux.org.uk>

On Thu, Aug 16, 2012 at 02:50:19PM +0100, Al Viro wrote:
> On Thu, Aug 16, 2012 at 05:47:06PM +0400, Pavel Emelyanov wrote:
> > On 08/16/2012 05:43 PM, Al Viro wrote:
> > > On Thu, Aug 16, 2012 at 04:38:14PM +0400, Cyrill Gorcunov wrote:
> > > 
> > >> Hi Bruce, thinking a bit more I guess using general encode_fh is not that
> > >> convenient since it operates with dentries while our fdinfo output deals
> > >> with inodes. Thus I should either provide some new encode_fh variant
> > >> which would deal with inodes directly without "parents". Which doesn't
> > >> look for me anyhow better than the new export_encode_inode_fh helper.
> > > 
> > > Huh?  You do have dentries, for crying out loud...
> > 
> > Sometimes we don't -- the inotify thing gets an inode only.
> > Unlike other notifies that have dentries at hands...
> 
> What's wrong with saying "we don't support idiotify"?

Al, we need some way to restore inotifies after checkpoint.
At the very early versions of these patches I simply added
dentry to the inotify mark thus once inotify created we always
have a dentry to refer on in encode_fh, but I'm not sure if
this will be good design.

	Cyrill

  parent reply	other threads:[~2012-08-16 13:54 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-15  9:21 [patch 0/8] procfs, fdinfo updated Cyrill Gorcunov
2012-08-15  9:21 ` [patch 1/8] procfs: Move /proc/pid/fd[info] handling code to fd.[ch] Cyrill Gorcunov
2012-08-15  9:21 ` [patch 2/8] procfs: Convert /proc/pid/fdinfo/ handling routines to seq-file Cyrill Gorcunov
2012-08-15  9:21 ` [patch 3/8] procfs: Add ability to plug in auxiliary fdinfo providers Cyrill Gorcunov
2012-08-15 21:16   ` Al Viro
2012-08-15 21:31     ` Cyrill Gorcunov
2012-08-15 21:29   ` Al Viro
2012-08-15 21:34     ` Cyrill Gorcunov
2012-08-16 10:58     ` Cyrill Gorcunov
2012-08-15  9:21 ` [patch 4/8] fs, exportfs: Add export_encode_inode_fh helper Cyrill Gorcunov
2012-08-15 20:45   ` J. Bruce Fields
2012-08-15 21:02     ` Cyrill Gorcunov
2012-08-15 22:06       ` J. Bruce Fields
2012-08-16  6:24         ` Cyrill Gorcunov
2012-08-16 12:38           ` Cyrill Gorcunov
2012-08-16 12:47             ` J. Bruce Fields
2012-08-16 13:16               ` Cyrill Gorcunov
2012-08-16 14:57               ` Cyrill Gorcunov
2012-08-16 15:05                 ` Al Viro
2012-08-16 15:09                   ` Cyrill Gorcunov
2012-08-16 13:43             ` Al Viro
2012-08-16 13:47               ` Pavel Emelyanov
2012-08-16 13:50                 ` Al Viro
2012-08-16 13:53                   ` Pavel Emelyanov
2012-08-16 13:54                   ` Cyrill Gorcunov [this message]
2012-08-16 14:03                     ` James Bottomley
2012-08-16 14:13                       ` Pavel Emelyanov
2012-08-16 14:15                       ` Cyrill Gorcunov
2012-08-16 14:41                         ` Al Viro
2012-08-16 14:48                           ` Cyrill Gorcunov
2012-08-16 14:54                             ` J. Bruce Fields
2012-08-16 14:55                             ` Al Viro
2012-08-16 15:06                               ` Pavel Emelyanov
2012-08-16 15:35                                 ` Cyrill Gorcunov
2012-08-16 15:07                               ` Cyrill Gorcunov
2012-08-17 20:58                           ` Eric W. Biederman
2012-08-16 13:48               ` Al Viro
2012-08-20 14:19   ` Aneesh Kumar K.V
2012-08-20 16:33     ` Cyrill Gorcunov
2012-08-20 18:32       ` J. Bruce Fields
2012-08-20 19:06         ` Cyrill Gorcunov
2012-08-20 19:32           ` J. Bruce Fields
2012-08-20 19:40             ` Cyrill Gorcunov
2012-08-21  9:18             ` Pavel Emelyanov
2012-08-21 10:42               ` Aneesh Kumar K.V
2012-08-21 10:49                 ` Pavel Emelyanov
2012-08-21 10:54                   ` Cyrill Gorcunov
2012-08-21 11:09                     ` Pavel Emelyanov
2012-08-21 12:11                       ` J. Bruce Fields
2012-08-21 12:22                         ` Pavel Emelyanov
2012-08-21 12:29                           ` J. Bruce Fields
2012-08-21 12:40                             ` Pavel Emelyanov
2012-08-21 12:51                             ` Boaz Harrosh
2012-08-21 12:59                               ` Pavel Emelyanov
2012-08-21 13:08                                 ` Boaz Harrosh
2012-08-21 13:12                               ` Al Viro
2012-08-21 13:40                             ` Cyrill Gorcunov
2012-08-21 12:09                   ` J. Bruce Fields
2012-08-21 12:25                     ` Pavel Emelyanov
2012-08-22  5:49                   ` Aneesh Kumar K.V
2012-08-23  8:06                     ` Cyrill Gorcunov
2012-08-23  8:54                       ` Marco Stornelli
2012-08-23  9:29                         ` Cyrill Gorcunov
2012-08-15  9:21 ` [patch 5/8] fs, notify: Add procfs fdinfo helper v3 Cyrill Gorcunov
2012-08-15  9:21 ` [patch 6/8] fs, eventfd: Add procfs fdinfo helper Cyrill Gorcunov
2012-08-15  9:21 ` [patch 7/8] fs, epoll: Add procfs fdinfo helper v2 Cyrill Gorcunov
2012-08-15  9:21 ` [patch 8/8] fdinfo: Show sigmask for signalfd fd v2 Cyrill Gorcunov

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