From: Pavel Emelyanov <xemul@parallels.com>
To: Cyrill Gorcunov <gorcunov@openvz.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>
Cc: "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>,
James Bottomley <jbottomley@parallels.com>,
Matthew Helsley <matt.helsley@gmail.com>
Subject: Re: [patch 7/8] fs, notify: Add procfs fdinfo helper v3
Date: Tue, 14 Aug 2012 18:23:44 +0400 [thread overview]
Message-ID: <502A5F70.3010607@parallels.com> (raw)
In-Reply-To: <20120814140620.374705810@openvz.org>
On 08/14/2012 06:03 PM, Cyrill Gorcunov wrote:
> This allow us to print out fsnotify details such as
> watchee inode, device, mask and file handle.
>
> For example for inotify objects the output is
>
> | pos: 0
> | flags: 02000000
> | inotify wd: 3 ino: 9e7e sdev: 800013 mask: 800afce ignored_mask: 0 fhandle-bytes: 8 fhandle-type: 1 f_handle: 7e9e0000640d1b6d
> | inotify wd: 2 ino: a111 sdev: 800013 mask: 800afce ignored_mask: 0 fhandle-bytes: 8 fhandle-type: 1 f_handle: 11a1000020542153
> | inotify wd: 1 ino: 6b149 sdev: 800013 mask: 800afce ignored_mask: 0 fhandle-bytes: 8 fhandle-type: 1 f_handle: 49b1060023552153
>
> For fanotify it is like
>
> | pos: 0
> | flags: 02
> | fanotify ino: 68f71 sdev: 800013 mask: 1 ignored_mask: 40000000 fhandle-bytes: 8 fhandle-type: 1 f_handle: 718f0600b9f42053
> | fanotify mnt_id: 13 mask: 1 ignored_mask: 40000000
>
> This feature is CONFIG_CHECKPOINT_RESTORE only. To minimize
> impact on general fsnotify code the new functionality is gathered
> in fs/notify/fdinfo.c file mostly.
>
> v2:
> - append missing colons to terms
> v3:
> - continue from pervious position in list on ->next
>
> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
> CC: Al Viro <viro@ZenIV.linux.org.uk>
> CC: Alexey Dobriyan <adobriyan@gmail.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: Pavel Emelyanov <xemul@parallels.com>
> CC: James Bottomley <jbottomley@parallels.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
next prev parent reply other threads:[~2012-08-14 14:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-14 14:03 [patch 0/8] procfs fdinfo providers updated Cyrill Gorcunov
2012-08-14 14:03 ` [patch 1/8] procfs: Move /proc/pid/fd[info] handling code to fd.[ch] Cyrill Gorcunov
2012-08-14 14:21 ` Pavel Emelyanov
2012-08-14 14:03 ` [patch 2/8] procfs: Convert /proc/pid/fdinfo/ handling routines to seq-file Cyrill Gorcunov
2012-08-14 14:21 ` Pavel Emelyanov
2012-08-14 14:03 ` [patch 3/8] procfs: Add ability to plug in auxiliary fdinfo providers Cyrill Gorcunov
2012-08-14 14:22 ` Pavel Emelyanov
2012-08-14 18:31 ` Al Viro
2012-08-14 18:35 ` Cyrill Gorcunov
2012-08-14 19:56 ` Cyrill Gorcunov
2012-08-14 21:27 ` Al Viro
2012-08-14 21:56 ` Cyrill Gorcunov
2012-08-14 22:21 ` Cyrill Gorcunov
2012-08-15 0:07 ` Al Viro
2012-08-15 7:40 ` Cyrill Gorcunov
2012-08-14 14:03 ` [patch 4/8] fs, eventfd: Add procfs fdinfo helper Cyrill Gorcunov
2012-08-14 14:22 ` Pavel Emelyanov
2012-08-14 14:03 ` [patch 5/8] fs, epoll: Add procfs fdinfo helper v2 Cyrill Gorcunov
2012-08-14 14:22 ` Pavel Emelyanov
2012-08-14 14:03 ` [patch 6/8] fs, exportfs: Add export_encode_inode_fh helper Cyrill Gorcunov
2012-08-14 14:23 ` Pavel Emelyanov
2012-08-14 14:03 ` [patch 7/8] fs, notify: Add procfs fdinfo helper v3 Cyrill Gorcunov
2012-08-14 14:23 ` Pavel Emelyanov [this message]
2012-08-14 14:03 ` [patch 8/8] fdinfo: Show sigmask for signalfd fd Cyrill Gorcunov
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