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From: Emese Revfy <re.emese@gmail.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: matthew@wil.cx, torvalds@linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 28/31] Constify struct super_operations for 2.6.32 v1
Date: Sun, 06 Dec 2009 02:41:29 +0100	[thread overview]
Message-ID: <4B1B0BC9.7070005@gmail.com> (raw)
In-Reply-To: <20091206012329.GB14381@ZenIV.linux.org.uk>

Al Viro wrote:
> On Fri, Dec 04, 2009 at 11:47:15PM +0100, Emese Revfy wrote:
>> From: Emese Revfy <re.emese@gmail.com>
>>
>> Constify struct super_operations.
> 
> What the _hell_ is that?
> 
>> +   	struct inode *(* const alloc_inode)(struct super_block *sb);
> 
> This is ugly and has all marks of cargo-cult patches.  NAKed at least
> until you give exceptionally good reasons for doing that.

My idea was that since each instance of super_operations is const,
I figured that there is an implicit policy of not wanting writable
super_operations structures in the kernel. If this is actually the
case then my patch makes the compiler enforce this policy, otherwise
please ignore it.
--
Emese


  reply	other threads:[~2009-12-06  1:39 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-04 22:00 [PATCH 00/31] constify various _ops structures for 2.6.32 v1 Emese Revfy
2009-12-04 22:05 ` [PATCH 01/31] Constify struct acpi_dock_ops " Emese Revfy
2009-12-04 22:08 ` [PATCH 02/31] Constify struct address_space_operations " Emese Revfy
2009-12-05  0:08   ` Matthew Wilcox
2009-12-05  0:36     ` Emese Revfy
2009-12-05 14:27       ` Matthew Wilcox
2009-12-06  0:18         ` Emese Revfy
2009-12-04 22:09 ` [PATCH 03/31] Constify struct backlight_ops " Emese Revfy
2009-12-04 22:12 ` [PATCH 04/31] Constify struct block_device_operations " Emese Revfy
2009-12-04 22:14 ` [PATCH 05/31] Constify struct dma_map_ops " Emese Revfy
2009-12-05  0:59   ` Stephen Rothwell
2009-12-05  1:20     ` Stephen Rothwell
2009-12-05  2:00       ` Emese Revfy
2009-12-05  2:10         ` Stephen Rothwell
2009-12-05  2:25           ` Emese Revfy
2009-12-05  2:27             ` Stephen Rothwell
2009-12-05  2:52               ` Emese Revfy
2009-12-05  3:21                 ` Stephen Rothwell
2009-12-05 13:32                   ` Emese Revfy
2009-12-04 22:16 ` [PATCH 06/31] Constify struct e1000_mac_operations " Emese Revfy
2009-12-04 22:39   ` Waskiewicz Jr, Peter P
2009-12-05  0:03   ` Emese Revfy
2009-12-05  0:40     ` Stephen Rothwell
2009-12-05  1:18       ` Emese Revfy
2009-12-05  1:21         ` Jeff Kirsher
2009-12-06  0:37   ` [PATCH 06/31] Constify struct e1000_mac_operations for net-next-2.6 v1 Emese Revfy
2009-12-04 22:17 ` [PATCH 07/31] Constify struct e1000_nvm_operations for 2.6.32 v1 Emese Revfy
2009-12-04 22:40   ` Waskiewicz Jr, Peter P
2009-12-05  0:03   ` Emese Revfy
2009-12-06  0:38   ` [PATCH 07/31] Constify struct e1000_nvm_operations for net-next-2.6 v1 Emese Revfy
2009-12-04 22:19 ` [PATCH 08/31] Constify struct e1000_phy_operations for 2.6.32 v1 Emese Revfy
2009-12-04 22:40   ` Waskiewicz Jr, Peter P
2009-12-05  0:03   ` Emese Revfy
2009-12-06  0:38   ` [PATCH 08/31] Constify struct e1000_phy_operations for net-next-2.6 v1 Emese Revfy
2009-12-04 22:21 ` [PATCH 09/31] Constify struct extent_io_ops for 2.6.32 v1 Emese Revfy
2009-12-07 14:12   ` Chris Mason
2009-12-07 23:27     ` Emese Revfy
2009-12-04 22:22 ` [PATCH 10/31] Constify struct file_lock_operations " Emese Revfy
2009-12-04 22:25 ` [PATCH 11/31] Constify struct file_operations " Emese Revfy
2009-12-04 23:07   ` Emese Revfy
2009-12-05  0:02   ` Emese Revfy
2009-12-05  0:09     ` Greg KH
2009-12-05  2:50       ` Emese Revfy
2009-12-05  4:15         ` Greg KH
2009-12-06  1:47           ` Emese Revfy
2009-12-06 17:25             ` Greg KH
2009-12-07  0:45               ` Emese Revfy
2009-12-07 15:11                 ` Greg KH
2009-12-07 17:35                   ` Emese Revfy
2009-12-07 17:57                     ` Greg KH
2009-12-05 14:16     ` Jiri Slaby
2009-12-06  2:38       ` Emese Revfy
2009-12-06  9:23         ` Jiri Slaby
2009-12-04 22:26 ` [PATCH 12/31] Constify struct hv_ops " Emese Revfy
2009-12-04 22:28 ` [PATCH 13/31] Constify struct intel_dvo_dev_ops " Emese Revfy
2009-12-04 22:29 ` [PATCH 14/31] Constify struct item_operations " Emese Revfy
2009-12-04 22:31 ` [PATCH 15/31] Constify struct iwl_ops " Emese Revfy
2009-12-04 23:05   ` Emese Revfy
2009-12-05  0:02   ` Emese Revfy
2009-12-04 22:32 ` [PATCH 16/31] Constify struct kgdb_arch " Emese Revfy
2009-12-04 22:33 ` [PATCH 17/31] Constify struct kgdb_io " Emese Revfy
2009-12-04 22:35 ` [PATCH 18/31] Constify struct kset_uevent_ops " Emese Revfy
2009-12-04 22:36 ` [PATCH 19/31] Constify struct lock_manager_operations " Emese Revfy
2009-12-04 22:37 ` [PATCH 20/31] Constify struct microcode_ops " Emese Revfy
2009-12-04 22:38 ` [PATCH 21/31] Constify struct mtrr_ops " Emese Revfy
2009-12-07 18:40   ` H. Peter Anvin
2009-12-04 22:39 ` [PATCH 22/31] Constify struct neigh_ops " Emese Revfy
2009-12-04 23:02   ` Emese Revfy
2009-12-04 23:19     ` David Miller
2009-12-05  0:02   ` Emese Revfy
2009-12-04 22:40 ` [PATCH 23/31] Constify struct nlmsvc_binding " Emese Revfy
2009-12-04 22:41 ` [PATCH 24/31] Constify struct pci_raw_ops " Emese Revfy
2009-12-04 22:42 ` [PATCH 25/31] Constify struct platform_hibernation_ops " Emese Revfy
2009-12-04 22:43 ` [PATCH 26/31] Constify struct platform_suspend_ops " Emese Revfy
2009-12-04 22:44 ` [PATCH 27/31] Constify struct snd_ac97_build_ops " Emese Revfy
2009-12-04 22:47 ` [PATCH 28/31] Constify struct super_operations " Emese Revfy
2009-12-06  1:23   ` Al Viro
2009-12-06  1:41     ` Emese Revfy [this message]
2009-12-04 22:49 ` [PATCH 29/31] Constify struct sysfs_ops " Emese Revfy
2009-12-04 23:00   ` Emese Revfy
2009-12-04 23:57   ` Stephen Hemminger
2009-12-05  0:03   ` Emese Revfy
2009-12-05 21:15     ` Jens Axboe
2009-12-06  8:58       ` Pekka Enberg
2009-12-07  9:53     ` Hans J. Koch
2009-12-07 17:46   ` Matt Domsch
2009-12-07 20:09   ` David Teigland
2009-12-04 22:50 ` [PATCH 30/31] Constify struct usb_mon_operations " Emese Revfy
2009-12-04 22:51 ` [PATCH 31/31] Constify struct wd_ops " Emese Revfy
  -- strict thread matches above, loose matches on Subject: below --
2009-12-06  5:14 [PATCH 28/31] Constify struct super_operations " Alexey Dobriyan
2009-12-06 14:23 ` Emese Revfy
2009-12-07 18:30   ` Alexey Dobriyan
2009-12-08  0:06     ` Emese Revfy
2009-12-08  1:51       ` Al Viro
2009-12-09  0:24         ` Emese Revfy
2009-12-09  0:47           ` Al Viro
2009-12-09  8:22             ` Olivier Galibert
2009-12-10 18:24             ` Emese Revfy
2009-12-09  1:31 ` Ralf Baechle
2009-12-09  1:45   ` Al Viro

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