From: James Bottomley <James.Bottomley@HansenPartnership.com> To: Alan Stern <stern@rowland.harvard.edu> Cc: Hannes Reinecke <hare@suse.de>, Kay Sievers <kay.sievers@vrfy.org>, SCSI development list <linux-scsi@vger.kernel.org>, "Eric W. Biederman" <ebiederm@xmission.com>, Andrew Morton <akpm@linux-foundation.org>, Greg Kroah-Hartman <gregkh@suse.de>, Kernel development list <linux-kernel@vger.kernel.org>, Tejun Heo <tj@kernel.org>, Cornelia Huck <cornelia.huck@de.ibm.com>, linux-fsdevel@vger.kernel.org, "Eric W. Biederman" <ebiederm@aristanetworks.com> Subject: Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories. Date: Thu, 28 May 2009 18:21:44 +0000 [thread overview] Message-ID: <1243534904.2830.13.camel@localhost.localdomain> (raw) In-Reply-To: <Pine.LNX.4.44L0.0905281105310.3037-100000@iolanthe.rowland.org> On Thu, 2009-05-28 at 11:24 -0400, Alan Stern wrote: > On Wed, 27 May 2009, James Bottomley wrote: > > > Right, and I think reap_ref can be seconded to count underlying device > > visibility. > > Exactly. It should count the number of underlying devices that have > not yet been removed from visibility (this may include some which still > have to become visible), plus one if we want to keep the target hanging > around for a while with no visible children (while scanning it, for > example). > > > However, the piece that's missing, is the fact that all of > > this has to be tied into the host state. If the host is running, you > > can't remove the target from visibility even if all its children are > > invisible because it might get another visible child added. > > Are you sure about that? It's not obvious at all to me. Yes ... otherwise you have to elongate the DEL interval from a few ms to potentially anything. That would allow locking a target in a dying state and prevent any new LUNs being added. > For example, suppose during scanning it turns out there are no LUNs at > a particular target address. Why should the empty target be retained? > You'd end up with unusable targets at all possible bus addresses. > > Besides, if a target is removed from visibility and then another child > is added, the answer is simply to create a new target structure. > There's already code in scsi_alloc_target() to do this. As I've said several times, this could be done, but we'd have to audit the code paths to make sure we allow for multiple same targets in the list. > > once it goes > > into the cancel or del states, it can't acquire new children, so then > > it's safe to make a target with no visible children invisible. > > If you grant my point above, targets don't need to be tied into the > host state. They can be removed from visibility whenever the reap_ref > counter goes to 0. This will happen naturally while the host is in > the CANCEL state, thanks to scsi_forget_host(). > > There's another point to consider. If you do accept my argument that > empty targets can be removed from visibility regardless of the host's > state, then this removal races with addition of a new child. Since > removal involves calling device_del(), it can't be protected by the > host lock. Instead we'd have to use a mutex to protect both target > addition and target removal. No, this is state model 101 ... you alter the state inside the lock and call del outside of it. Technically you're lying about the state for the few us it takes to run out of the lock and del the target, but there's a papal indulgence for that. > Since the host's scan_mutex already protects target addition, extending > its scope to encompass target removal (and perhaps sdev removal too) > seems natural. Do you agree? James
WARNING: multiple messages have this Message-ID (diff)
From: James Bottomley <James.Bottomley@HansenPartnership.com> To: Alan Stern <stern@rowland.harvard.edu> Cc: Hannes Reinecke <hare@suse.de>, Kay Sievers <kay.sievers@vrfy.org>, SCSI development list <linux-scsi@vger.kernel.org>, "Eric W. Biederman" <ebiederm@xmission.com>, Andrew Morton <akpm@linux-foundation.org>, Greg Kroah-Hartman <gregkh@suse.de>, Kernel development list <linux-kernel@vger.kernel.org>, Tejun Heo <tj@kernel.org>, Cornelia Huck <cornelia.huck@de.ibm.com>, linux-fsdevel@vger.kernel.org, "Eric W. Biederman" <ebiederm@aristanetworks.com> Subject: Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories. Date: Thu, 28 May 2009 18:21:44 +0000 [thread overview] Message-ID: <1243534904.2830.13.camel@localhost.localdomain> (raw) In-Reply-To: <Pine.LNX.4.44L0.0905281105310.3037-100000@iolanthe.rowland.org> On Thu, 2009-05-28 at 11:24 -0400, Alan Stern wrote: > On Wed, 27 May 2009, James Bottomley wrote: > > > Right, and I think reap_ref can be seconded to count underlying device > > visibility. > > Exactly. It should count the number of underlying devices that have > not yet been removed from visibility (this may include some which still > have to become visible), plus one if we want to keep the target hanging > around for a while with no visible children (while scanning it, for > example). > > > However, the piece that's missing, is the fact that all of > > this has to be tied into the host state. If the host is running, you > > can't remove the target from visibility even if all its children are > > invisible because it might get another visible child added. > > Are you sure about that? It's not obvious at all to me. Yes ... otherwise you have to elongate the DEL interval from a few ms to potentially anything. That would allow locking a target in a dying state and prevent any new LUNs being added. > For example, suppose during scanning it turns out there are no LUNs at > a particular target address. Why should the empty target be retained? > You'd end up with unusable targets at all possible bus addresses. > > Besides, if a target is removed from visibility and then another child > is added, the answer is simply to create a new target structure. > There's already code in scsi_alloc_target() to do this. As I've said several times, this could be done, but we'd have to audit the code paths to make sure we allow for multiple same targets in the list. > > once it goes > > into the cancel or del states, it can't acquire new children, so then > > it's safe to make a target with no visible children invisible. > > If you grant my point above, targets don't need to be tied into the > host state. They can be removed from visibility whenever the reap_ref > counter goes to 0. This will happen naturally while the host is in > the CANCEL state, thanks to scsi_forget_host(). > > There's another point to consider. If you do accept my argument that > empty targets can be removed from visibility regardless of the host's > state, then this removal races with addition of a new child. Since > removal involves calling device_del(), it can't be protected by the > host lock. Instead we'd have to use a mutex to protect both target > addition and target removal. No, this is state model 101 ... you alter the state inside the lock and call del outside of it. Technically you're lying about the state for the few us it takes to run out of the lock and del the target, but there's a papal indulgence for that. > Since the host's scan_mutex already protects target addition, extending > its scope to encompass target removal (and perhaps sdev removal too) > seems natural. Do you agree? James
next prev parent reply other threads:[~2009-05-28 18:21 UTC|newest] Thread overview: 264+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-05-20 4:09 [PATCH 0/20] Sysfs cleanups Eric W. Biederman 2009-05-20 15:37 ` Greg KH 2009-05-20 23:04 ` Eric W. Biederman 2009-05-21 0:27 ` [PATCH 01/20] sysfs: Implement sysfs_rename_link Eric W. Biederman 2009-05-21 0:27 ` [PATCH 02/20] driver core: Use sysfs_rename_link in device_rename Eric W. Biederman 2009-05-21 0:27 ` [PATCH 03/20] sysfs: Remove now unnecessary error reporting suppression Eric W. Biederman 2009-05-21 0:27 ` [PATCH 04/20] sysfs: Handle the general case of removing of directories with subdirectories Eric W. Biederman 2009-05-21 0:27 ` [PATCH 05/20] sysfs: Rename sysfs_d_iput to sysfs_dentry_iput Eric W. Biederman 2009-05-21 0:28 ` [PATCH 06/20] sysfs: Use dentry_ops instead of directly playing with the dcache Eric W. Biederman 2009-05-21 0:28 ` [PATCH 07/20] sysfs: Simplify sysfs_chmod_file semantics Eric W. Biederman 2009-05-21 0:28 ` [PATCH 08/20] sysfs: Optimize just changing the sysfs file mode Eric W. Biederman 2009-05-21 0:28 ` [PATCH 09/20] sysfs: Simplify iattr assignments Eric W. Biederman 2009-05-21 0:28 ` [PATCH 10/20] sysfs: Fix locking and factor out sysfs_sd_setattr Eric W. Biederman 2009-05-21 0:28 ` [PATCH 11/20] sysfs: Update s_iattr on link and unlink Eric W. Biederman 2009-05-21 0:28 ` [PATCH 12/20] sysfs: Nicely indent sysfs_symlink_inode_operations Eric W. Biederman 2009-05-21 0:28 ` [PATCH 13/20] sysfs: Implement sysfs_getattr & sysfs_permission Eric W. Biederman 2009-05-21 0:28 ` [PATCH 14/20] sysfs: In sysfs_chmod_file lazily propagate the mode change Eric W. Biederman 2009-05-21 0:28 ` [PATCH 15/20] sysfs: Kill sysfs_addrm_start and sysfs_addrm_finish Eric W. Biederman 2009-05-21 0:28 ` [PATCH 16/20] sysfs: Propagate renames to the vfs on demand Eric W. Biederman 2009-05-21 0:28 ` [PATCH 17/20] sysfs: Merge sysfs_rename_dir and sysfs_move_dir Eric W. Biederman 2009-05-21 0:28 ` [PATCH 18/20] sysfs: Pass super_block to sysfs_get_inode Eric W. Biederman 2009-05-21 0:28 ` [PATCH 19/20] sysfs: Kill unused sysfs_sb variable Eric W. Biederman 2009-05-21 0:28 ` [PATCH 20/20] sysfs: Normalize error handling in sysfs_fill_inode Eric W. Biederman 2009-05-21 9:43 ` Tejun Heo 2009-05-21 9:43 ` Tejun Heo 2009-05-21 10:29 ` Eric W. Biederman 2009-05-21 9:42 ` [PATCH 17/20] sysfs: Merge sysfs_rename_dir and sysfs_move_dir Tejun Heo 2009-05-21 9:42 ` Tejun Heo 2009-05-21 9:41 ` [PATCH 16/20] sysfs: Propagate renames to the vfs on demand Tejun Heo 2009-05-21 9:41 ` Tejun Heo 2009-05-21 9:31 ` [PATCH 15/20] sysfs: Kill sysfs_addrm_start and sysfs_addrm_finish Tejun Heo 2009-05-21 9:31 ` Tejun Heo 2009-05-21 9:16 ` [PATCH 14/20] sysfs: In sysfs_chmod_file lazily propagate the mode change Tejun Heo 2009-05-21 9:16 ` Tejun Heo 2009-05-21 9:14 ` [PATCH 13/20] sysfs: Implement sysfs_getattr & sysfs_permission Tejun Heo 2009-05-21 7:42 ` [PATCH 12/20] sysfs: Nicely indent sysfs_symlink_inode_operations Tejun Heo 2009-05-21 8:42 ` [PATCH 11/20] sysfs: Update s_iattr on link and unlink Tejun Heo 2009-05-21 7:42 ` [PATCH 10/20] sysfs: Fix locking and factor out sysfs_sd_setattr Tejun Heo 2009-05-21 7:31 ` [PATCH 09/20] sysfs: Simplify iattr assignments Tejun Heo 2009-05-21 7:29 ` [PATCH 08/20] sysfs: Optimize just changing the sysfs file mode Tejun Heo 2009-05-21 7:54 ` Eric W. Biederman 2009-05-21 8:41 ` Tejun Heo 2009-05-21 6:42 ` [PATCH 07/20] sysfs: Simplify sysfs_chmod_file semantics Tejun Heo 2009-05-21 6:41 ` [PATCH 06/20] sysfs: Use dentry_ops instead of directly playing with the dcache Tejun Heo 2009-05-21 7:37 ` Eric W. Biederman 2009-05-21 7:40 ` Tejun Heo 2009-05-21 6:24 ` [PATCH 05/20] sysfs: Rename sysfs_d_iput to sysfs_dentry_iput Tejun Heo 2009-05-21 6:23 ` [PATCH 04/20] sysfs: Handle the general case of removing of directories with subdirectories Tejun Heo 2009-05-21 7:29 ` Eric W. Biederman 2009-05-21 7:36 ` Tejun Heo 2009-05-21 8:04 ` Eric W. Biederman 2009-05-21 8:37 ` Tejun Heo 2009-05-21 9:18 ` Eric W. Biederman 2009-05-21 9:28 ` Tejun Heo 2009-05-23 6:33 ` Eric W. Biederman 2009-05-23 11:35 ` Kay Sievers 2009-05-23 11:35 ` Kay Sievers 2009-05-23 20:09 ` Eric W. Biederman 2009-05-23 20:09 ` Eric W. Biederman 2009-05-23 20:46 ` Kay Sievers 2009-05-23 20:46 ` Kay Sievers 2009-05-21 5:37 ` [PATCH 03/20] sysfs: Remove now unnecessary error reporting suppression Tejun Heo 2009-05-21 6:12 ` Eric W. Biederman 2009-05-21 6:20 ` Tejun Heo 2009-05-21 1:49 ` [PATCH 01/20] sysfs: Implement sysfs_rename_link Tejun Heo 2009-05-21 5:35 ` Tejun Heo 2009-05-21 10:06 ` Kay Sievers 2009-05-21 10:06 ` Kay Sievers 2009-05-21 10:29 ` Eric W. Biederman 2009-05-21 10:29 ` Eric W. Biederman 2009-05-21 11:40 ` Kay Sievers 2009-05-21 11:40 ` Kay Sievers 2009-05-28 0:14 ` Greg KH 2009-05-28 0:30 ` Kay Sievers 2009-05-28 0:37 ` Greg KH 2009-05-28 22:58 ` [PATCH 0/24] sysfs cleanups Eric W. Biederman 2009-05-28 23:00 ` [PATCH 01/24] sysfs: Implement sysfs_rename_link Eric W. Biederman 2009-05-28 23:00 ` [PATCH 02/24] driver core: Use sysfs_rename_link in device_rename Eric W. Biederman 2009-05-28 23:00 ` [PATCH 03/24] sysfs: Remove now unnecessary error reporting suppression Eric W. Biederman 2009-05-28 23:00 ` [PATCH 04/24] sysfs: Normalize removing sysfs directories Eric W. Biederman 2009-05-29 9:14 ` Tejun Heo 2009-05-29 16:52 ` Eric W. Biederman 2009-05-30 10:43 ` Tejun Heo 2009-05-30 13:07 ` Eric W. Biederman 2009-05-30 13:20 ` Tejun Heo 2009-05-30 14:29 ` Eric W. Biederman 2009-05-30 13:59 ` Kay Sievers 2009-05-30 13:59 ` Kay Sievers 2009-05-30 14:19 ` James Bottomley 2009-05-30 15:15 ` Eric W. Biederman 2009-05-30 15:51 ` James Bottomley 2009-05-30 21:20 ` Eric W. Biederman 2009-05-28 23:00 ` [PATCH 05/24] sysfs: Rename sysfs_d_iput to sysfs_dentry_iput Eric W. Biederman 2009-05-28 23:00 ` [PATCH 06/24] sysfs: Use dentry_ops instead of directly playing with the dcache Eric W. Biederman 2009-05-28 23:00 ` [PATCH 07/24] sysfs: Simplify sysfs_chmod_file semantics Eric W. Biederman 2009-05-28 23:00 ` [PATCH 08/24] sysfs: Optimize just changing the sysfs file mode Eric W. Biederman 2009-05-28 23:00 ` [PATCH 09/24] sysfs: Simplify iattr assignments Eric W. Biederman 2009-05-28 23:00 ` [PATCH 10/24] sysfs: Fix locking and factor out sysfs_sd_setattr Eric W. Biederman 2009-05-28 23:00 ` [PATCH 11/24] sysfs: Update s_iattr on link and unlink Eric W. Biederman 2009-05-28 23:00 ` [PATCH 12/24] sysfs: Nicely indent sysfs_symlink_inode_operations Eric W. Biederman 2009-05-28 23:00 ` [PATCH 13/24] sysfs: Implement sysfs_getattr & sysfs_permission Eric W. Biederman 2009-05-28 23:00 ` [PATCH 14/24] sysfs: In sysfs_chmod_file lazily propagate the mode change Eric W. Biederman 2009-05-28 23:00 ` [PATCH 15/24] sysfs: Kill sysfs_addrm_start and sysfs_addrm_finish Eric W. Biederman 2009-05-28 23:00 ` [PATCH 16/24] sysfs: Propagate renames to the vfs on demand Eric W. Biederman 2009-05-28 23:00 ` [PATCH 17/24] sysfs: Merge sysfs_rename_dir and sysfs_move_dir Eric W. Biederman 2009-05-28 23:00 ` [PATCH 18/24] sysfs: Pass super_block to sysfs_get_inode Eric W. Biederman 2009-05-28 23:01 ` [PATCH 19/24] sysfs: Kill unused sysfs_sb variable Eric W. Biederman 2009-05-28 23:01 ` [PATCH 20/24] sysfs: Normalize error handling in sysfs_fill_inode Eric W. Biederman 2009-05-28 23:01 ` [PATCH 21/24] sysfs: Rename sysfs_mv_dir sysfs_rename Eric W. Biederman 2009-05-28 23:01 ` [PATCH 22/24] sysfs: Make sysfs_rename_link atomic Eric W. Biederman 2009-05-29 9:16 ` Tejun Heo 2009-05-29 17:17 ` Eric W. Biederman 2009-05-30 10:48 ` Tejun Heo 2009-05-28 23:01 ` [PATCH 23/24] driver core: Don't remove kobjects in device_shutdown Eric W. Biederman 2009-05-28 23:01 ` [PATCH 24/24] sysfs: In sysfs_add_one fail if the targe directory has been removed Eric W. Biederman 2009-05-29 9:18 ` Tejun Heo 2009-05-29 20:18 ` [PATCH 0/26] sysfs cleanups v3 Eric W. Biederman 2009-05-29 20:19 ` [PATCH 01/26] sysfs: Implement sysfs_rename_link Eric W. Biederman 2009-06-02 22:57 ` patch sysfs-implement-sysfs_rename_link.patch added to gregkh-2.6 tree gregkh 2009-05-29 20:19 ` [PATCH 02/26] driver core: Use sysfs_rename_link in device_rename Eric W. Biederman 2009-06-02 22:57 ` patch driver-core-use-sysfs_rename_link-in-device_rename.patch added to gregkh-2.6 tree gregkh 2009-05-29 20:19 ` [PATCH 03/26] sysfs: Remove now unnecessary error reporting suppression Eric W. Biederman 2009-06-02 22:57 ` patch sysfs-remove-now-unnecessary-error-reporting-suppression.patch added to gregkh-2.6 tree gregkh 2009-05-29 20:19 ` [PATCH 04/26] sysfs: sysfs_remove_dir stop checking for bogus cases Eric W. Biederman 2009-06-03 23:53 ` Greg KH 2009-06-04 0:41 ` Eric W. Biederman 2009-05-29 20:19 ` [PATCH 05/26] sysfs: Improve sysfs directory deletion debugging Eric W. Biederman 2009-05-29 20:19 ` [PATCH 06/26] sysfs: Don't hold addrm_start/addrm_finish over multiple removals Eric W. Biederman 2009-05-29 20:19 ` [PATCH 07/26] sysfs: Rename sysfs_d_iput to sysfs_dentry_iput Eric W. Biederman 2009-05-29 20:19 ` [PATCH 08/26] sysfs: Use dentry_ops instead of directly playing with the dcache Eric W. Biederman 2009-05-29 20:19 ` [PATCH 09/26] sysfs: Simplify sysfs_chmod_file semantics Eric W. Biederman 2009-05-29 20:19 ` [PATCH 10/26] sysfs: Optimize just changing the sysfs file mode Eric W. Biederman 2009-05-29 20:19 ` [PATCH 11/26] sysfs: Simplify iattr assignments Eric W. Biederman 2009-05-29 20:19 ` [PATCH 12/26] sysfs: Fix locking and factor out sysfs_sd_setattr Eric W. Biederman 2009-05-29 20:19 ` [PATCH 13/26] sysfs: Update s_iattr on link and unlink Eric W. Biederman 2009-05-29 20:19 ` [PATCH 14/26] sysfs: Nicely indent sysfs_symlink_inode_operations Eric W. Biederman 2009-05-29 20:19 ` [PATCH 15/26] sysfs: Implement sysfs_getattr & sysfs_permission Eric W. Biederman 2009-05-29 20:19 ` [PATCH 16/26] sysfs: In sysfs_chmod_file lazily propagate the mode change Eric W. Biederman 2009-05-29 20:19 ` [PATCH 17/26] sysfs: Kill sysfs_addrm_start and sysfs_addrm_finish Eric W. Biederman 2009-05-29 20:19 ` [PATCH 18/26] sysfs: Propagate renames to the vfs on demand Eric W. Biederman 2009-05-29 20:19 ` [PATCH 19/26] sysfs: Merge sysfs_rename_dir and sysfs_move_dir Eric W. Biederman 2009-05-29 20:19 ` [PATCH 20/26] sysfs: Pass super_block to sysfs_get_inode Eric W. Biederman 2009-05-29 20:19 ` [PATCH 21/26] sysfs: Kill unused sysfs_sb variable Eric W. Biederman 2009-05-29 20:19 ` [PATCH 22/26] sysfs: Normalize error handling in sysfs_fill_inode Eric W. Biederman 2009-05-29 20:19 ` [PATCH 23/26] sysfs: Rename sysfs_mv_dir sysfs_rename Eric W. Biederman 2009-05-29 20:19 ` [PATCH 24/26] sysfs: Make sysfs_rename_link atomic Eric W. Biederman 2009-05-29 20:19 ` [PATCH 25/26] driver core: Don't remove kobjects in device_shutdown Eric W. Biederman 2009-05-29 20:19 ` [PATCH 26/26] sysfs: In sysfs_add_one fail if the targe directory has been removed Eric W. Biederman 2009-05-28 1:51 ` [PATCH 01/20] sysfs: Implement sysfs_rename_link Eric W. Biederman 2009-05-23 20:13 ` [PATCH 21/20] sysfs: Rename sysfs_mv_dir sysfs_rename Eric W. Biederman 2009-05-23 20:13 ` [PATCH 22/20] sysfs: Make sysfs_rename_link atomic Eric W. Biederman 2009-05-23 21:32 ` Kay Sievers 2009-05-23 21:32 ` Kay Sievers 2009-05-23 23:21 ` Kay Sievers 2009-05-23 23:21 ` Kay Sievers 2009-05-24 13:03 ` Kay Sievers 2009-05-24 13:03 ` Kay Sievers 2009-05-23 20:13 ` [PATCH 23/20] driver core: Don't remove kobjects in device_shutdown Eric W. Biederman 2009-05-23 22:15 ` Kay Sievers 2009-05-23 22:15 ` Kay Sievers 2009-05-23 20:13 ` [PATCH 24/20] sysfs: In sysfs_add_one fail if the targe directory has been removed Eric W. Biederman 2009-05-23 21:29 ` Kay Sievers 2009-05-23 21:29 ` Kay Sievers 2009-05-23 20:13 ` [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories Eric W. Biederman 2009-05-23 21:27 ` Kay Sievers 2009-05-23 21:27 ` Kay Sievers 2009-05-24 12:59 ` Kay Sievers 2009-05-24 12:59 ` Kay Sievers 2009-05-24 14:17 ` Eric W. Biederman 2009-05-24 15:20 ` Kay Sievers 2009-05-24 15:20 ` Kay Sievers 2009-05-25 2:06 ` Alan Stern 2009-05-25 11:45 ` Kay Sievers 2009-05-25 11:45 ` Kay Sievers 2009-05-25 12:01 ` Kay Sievers 2009-05-25 12:01 ` Kay Sievers 2009-05-25 15:49 ` Alan Stern 2009-05-25 15:49 ` Alan Stern 2009-05-25 18:19 ` Kay Sievers 2009-05-25 18:19 ` Kay Sievers 2009-05-25 20:14 ` Alan Stern 2009-05-25 20:14 ` Alan Stern 2009-05-26 16:27 ` Kay Sievers 2009-05-26 16:27 ` Kay Sievers 2009-05-26 19:29 ` Alan Stern 2009-05-26 19:29 ` Alan Stern 2009-05-26 21:09 ` James Bottomley 2009-05-26 21:09 ` James Bottomley 2009-05-26 21:13 ` Kay Sievers 2009-05-26 21:13 ` Kay Sievers 2009-05-26 21:56 ` Alan Stern 2009-05-26 21:56 ` Alan Stern 2009-05-26 22:03 ` Kay Sievers 2009-05-26 22:03 ` Kay Sievers 2009-05-26 23:49 ` James Bottomley 2009-05-26 23:49 ` James Bottomley 2009-05-27 0:02 ` Kay Sievers 2009-05-27 0:02 ` Kay Sievers 2009-05-27 2:17 ` Alan Stern 2009-05-27 2:17 ` Alan Stern 2009-05-27 11:35 ` Hannes Reinecke 2009-05-27 11:35 ` Hannes Reinecke 2009-05-27 16:01 ` James Bottomley 2009-05-27 16:01 ` James Bottomley 2009-05-27 16:16 ` Alan Stern 2009-05-27 16:16 ` Alan Stern 2009-05-27 16:24 ` James Bottomley 2009-05-27 16:24 ` James Bottomley 2009-05-27 17:01 ` Alan Stern 2009-05-27 17:01 ` Alan Stern 2009-05-27 17:08 ` James Bottomley 2009-05-27 17:08 ` James Bottomley 2009-05-27 18:07 ` Alan Stern 2009-05-27 18:07 ` Alan Stern 2009-05-27 19:44 ` James Bottomley 2009-05-27 19:44 ` James Bottomley 2009-05-27 20:40 ` Alan Stern 2009-05-27 20:40 ` Alan Stern 2009-05-27 20:49 ` James Bottomley 2009-05-27 20:49 ` James Bottomley 2009-05-27 21:31 ` Alan Stern 2009-05-27 21:31 ` Alan Stern 2009-05-27 21:42 ` James Bottomley 2009-05-27 21:42 ` James Bottomley 2009-05-27 22:15 ` Alan Stern 2009-05-27 22:15 ` Alan Stern 2009-05-27 22:22 ` James Bottomley 2009-05-27 22:22 ` James Bottomley 2009-05-28 15:24 ` Alan Stern 2009-05-28 15:24 ` Alan Stern 2009-05-28 15:45 ` Eric W. Biederman 2009-05-28 15:45 ` Eric W. Biederman 2009-05-28 17:51 ` Alan Stern 2009-05-28 17:51 ` Alan Stern 2009-05-28 18:21 ` James Bottomley [this message] 2009-05-28 18:21 ` James Bottomley 2009-05-28 20:02 ` Alan Stern 2009-05-28 20:02 ` Alan Stern 2009-05-28 20:10 ` James Bottomley 2009-05-28 20:10 ` James Bottomley 2009-05-28 21:04 ` Alan Stern 2009-05-28 21:04 ` Alan Stern 2009-05-29 12:32 ` Hannes Reinecke 2009-05-29 20:08 ` Alan Stern 2009-05-29 20:08 ` Alan Stern 2009-05-27 18:00 ` Eric W. Biederman 2009-05-27 18:00 ` Eric W. Biederman 2009-05-27 18:15 ` Alan Stern 2009-05-27 18:15 ` Alan Stern 2009-05-27 18:24 ` Eric W. Biederman 2009-05-27 18:24 ` Eric W. Biederman 2009-05-27 21:38 ` Alan Stern 2009-05-27 21:38 ` Alan Stern 2009-05-27 22:06 ` Eric W. Biederman 2009-05-27 22:06 ` Eric W. Biederman 2009-05-27 22:18 ` Alan Stern 2009-05-27 22:18 ` Alan Stern 2009-05-26 21:39 ` Alan Stern 2009-05-26 21:39 ` Alan Stern 2009-05-25 7:44 ` Eric W. Biederman 2009-05-25 7:53 ` Eric W. Biederman 2009-05-25 10:51 ` Kay Sievers 2009-05-25 10:51 ` Kay Sievers 2009-05-24 3:24 ` Tejun Heo
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