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Re: [PATCH 03/25] sysfs: Use kill_anon_super [message #19618 is a reply to message #19565]

Wed, 08 August 2007 06:50

Tejun Heo
Messages: 184
Registered: November 2006

Senior Member

On Tue, Aug 07, 2007 at 03:10:27PM -0600, Eric W. Biederman wrote:
> 
> Since sysfs no longer stores fs directory information in the dcache
> on a permanent basis kill_litter_super it is inappropriate and actively
> wrong.  It will decrement the count on all dentries left in the
> dcache before trying to free them.
> 
> At the moment this is not biting us only because we never unmount sysfs.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

Acked-by: Tejun Heo <htejun@gmail.com>

-- 
tejun
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[Message index]

		[PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Tue, 07 August 2007 21:06
		[PATCH 01/25] sysfs: Move all of inode initialization into sysfs_init_inode By: ebiederm on Tue, 07 August 2007 21:08
		[PATCH 02/25] sysfs: Remove sysfs_instantiate By: ebiederm on Tue, 07 August 2007 21:08
		[PATCH 03/25] sysfs: Use kill_anon_super By: ebiederm on Tue, 07 August 2007 21:10
		[PATCH 04/25] sysfs: Make sysfs_mount static By: ebiederm on Tue, 07 August 2007 21:11
		[PATCH 05/25] sysfs: In sysfs_lookup don't open code sysfs_find_dirent By: ebiederm on Tue, 07 August 2007 21:12
		[PATCH 06/25] sysfs: Simplify readdir. By: ebiederm on Tue, 07 August 2007 21:13
		[PATCH 07/25] sysfs: Rewrite sysfs_drop_dentry. By: ebiederm on Tue, 07 August 2007 21:14
		[PATCH 08/25] sysfs: Implement __sysfs_get_dentry By: ebiederm on Tue, 07 August 2007 21:16
		[PATCH 09/25] sysfs: Move sysfs_get_dentry below __sysfs_get_dentry By: ebiederm on Tue, 07 August 2007 21:17
		[PATCH 10/25] sysfs: Rewrite sysfs_get_dentry in terms of __sysfs_get_dentry By: ebiederm on Tue, 07 August 2007 21:18
		[PATCH 11/25] sysfs: Remove s_dentry By: ebiederm on Tue, 07 August 2007 21:19
		[PATCH 12/25] sysfs: Introduce sysfs_rename_mutex By: ebiederm on Tue, 07 August 2007 21:21
		[PATCH 13/25] sysfs: Simply sysfs_get_dentry By: ebiederm on Tue, 07 August 2007 21:22
		[PATCH 14/25] sysfs: Don't use lookup_one_len_kern By: ebiederm on Tue, 07 August 2007 21:23
		[PATCH 15/25] vfs: Remove lookup_one_len_kern By: ebiederm on Tue, 07 August 2007 21:25
		[PATCH 16/25] sysfs: Support for preventing unmounts. By: ebiederm on Tue, 07 August 2007 21:26
		[PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents By: ebiederm on Tue, 07 August 2007 21:27
		[PATCH 18/25] sysfs: Rewrite sysfs_move_dir in terms of sysfs dirents By: ebiederm on Tue, 07 August 2007 21:28
		[PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter By: ebiederm on Tue, 07 August 2007 21:29
		[PATCH 20/25] sysfs: Rename Support multiple superblocks By: ebiederm on Tue, 07 August 2007 21:31
		[PATCH 21/25] sysfs: sysfs_chmod_file handle multiple superblocks By: ebiederm on Tue, 07 August 2007 21:32
		[PATCH 22/25] sysfs: sysfs_uptdate_file handle multiple superblocks By: ebiederm on Tue, 07 August 2007 21:34
		[PATCH 23/25] sysfs: Implement sysfs tagged directory support. By: ebiederm on Tue, 07 August 2007 21:35
		[PATCH 24/25] sysfs: Implement sysfs_delete_link and sysfs_rename_link By: ebiederm on Tue, 07 August 2007 21:36
		[PATCH 25/25] driver core: Implement tagged directory support for device classes. By: ebiederm on Tue, 07 August 2007 21:36
		Re: alternative approached at tagged nodes By: Tejun Heo on Wed, 08 August 2007 16:31
		Re: [PATCH 22/25] sysfs: sysfs_uptdate_file handle multiple superblocks By: Tejun Heo on Wed, 08 August 2007 09:39
		Re: [PATCH 21/25] sysfs: sysfs_chmod_file handle multiple superblocks By: Tejun Heo on Wed, 08 August 2007 09:38
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: ebiederm on Wed, 08 August 2007 15:45
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: Tejun Heo on Wed, 08 August 2007 15:50
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: ebiederm on Wed, 08 August 2007 16:35
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: Tejun Heo on Wed, 08 August 2007 16:42
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: ebiederm on Wed, 08 August 2007 16:55
		Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks By: Tejun Heo on Wed, 08 August 2007 09:35
		Re: [PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter By: ebiederm on Wed, 08 August 2007 15:34
		Re: [PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter By: Tejun Heo on Wed, 08 August 2007 08:57
		Re: [PATCH 18/25] sysfs: Rewrite sysfs_move_dir in terms of sysfs dirents By: Tejun Heo on Wed, 08 August 2007 08:53
		Re: [PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents By: ebiederm on Wed, 08 August 2007 15:32
		Re: [PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents By: Tejun Heo on Wed, 08 August 2007 08:51
		Re: [PATCH 15/25] vfs: Remove lookup_one_len_kern By: Tejun Heo on Wed, 08 August 2007 08:39
		Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern By: ebiederm on Wed, 08 August 2007 15:26
		Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern By: Tejun Heo on Wed, 08 August 2007 15:35
		Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern By: Tejun Heo on Wed, 08 August 2007 08:38
		Re: [PATCH 13/25] sysfs: Simply sysfs_get_dentry By: Tejun Heo on Wed, 08 August 2007 08:24
		Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex By: ebiederm on Wed, 08 August 2007 08:28
		Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex By: Tejun Heo on Wed, 08 August 2007 08:19
		Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex By: Tejun Heo on Wed, 08 August 2007 08:23
		Re: [PATCH 11/25] sysfs: Remove s_dentry By: Tejun Heo on Wed, 08 August 2007 07:46
		Re: [PATCH 10/25] sysfs: Rewrite sysfs_get_dentry in terms of __sysfs_get_dentry By: Tejun Heo on Wed, 08 August 2007 07:45
		Re: [PATCH 09/25] sysfs: Move sysfs_get_dentry below __sysfs_get_dentry By: Tejun Heo on Wed, 08 August 2007 07:45
		Re: [PATCH 08/25] sysfs: Implement __sysfs_get_dentry By: Tejun Heo on Wed, 08 August 2007 07:45
		Re: [PATCH 07/25] sysfs: Rewrite sysfs_drop_dentry. By: Tejun Heo on Wed, 08 August 2007 07:35
		Re: [PATCH 06/25] sysfs: Simplify readdir. By: Tejun Heo on Wed, 08 August 2007 07:12
		Re: [PATCH 05/25] sysfs: In sysfs_lookup don't open code sysfs_find_dirent By: Tejun Heo on Wed, 08 August 2007 06:51
		Re: [PATCH 04/25] sysfs: Make sysfs_mount static By: Tejun Heo on Wed, 08 August 2007 06:51
		Re: [PATCH 03/25] sysfs: Use kill_anon_super By: Tejun Heo on Wed, 08 August 2007 06:50
		Re: [PATCH 02/25] sysfs: Remove sysfs_instantiate By: Tejun Heo on Wed, 08 August 2007 06:37
		Re: [PATCH 01/25] sysfs: Move all of inode initialization into sysfs_init_inode By: Tejun Heo on Wed, 08 August 2007 06:37
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Wed, 08 August 2007 07:47
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 07:54
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 07:53
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Wed, 08 August 2007 07:57
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 08:37
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 14:16
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 14:35
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 08:54
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Wed, 08 August 2007 15:08
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 15:13
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 15:16
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 07:38
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Wed, 08 August 2007 15:53
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 16:03
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: ebiederm on Wed, 08 August 2007 16:37
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 09:16
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 14:50
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 16:35
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Tejun Heo on Wed, 08 August 2007 14:55
		Re: [PATCH 0/25] Sysfs cleanups & tagged directory support By: Cornelia Huck on Wed, 08 August 2007 15:15

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