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From: "Frank Filz" <ffilzlnx@mindspring.com>
To: 'Andreas Gruenbacher' <agruenba@redhat.com>
Cc: 'Jeff Layton' <jlayton@redhat.com>,
	'Alexander Viro' <viro@zeniv.linux.org.uk>,
	'Christoph Hellwig' <hch@infradead.org>,
	'Theodore Ts'o' <tytso@mit.edu>,
	'Andreas Dilger' <adilger.kernel@dilger.ca>,
	"'J. Bruce Fields'" <bfields@fieldses.org>,
	'Trond Myklebust' <trond.myklebust@primarydata.com>,
	'Anna Schumaker' <anna.schumaker@netapp.com>,
	'Dave Chinner' <david@fromorbit.com>,
	'linux-ext4' <linux-ext4@vger.kernel.org>,
	'XFS Developers' <xfs@oss.sgi.com>,
	'LKML' <linux-kernel@vger.kernel.org>,
	'linux-fsdevel' <linux-fsdevel@vger.kernel.org>,
	'Linux NFS Mailing List' <linux-nfs@vger.kernel.org>,
	linux-cifs@vger.kernel.org,
	'Linux API' <linux-api@vger.kernel.org>
Subject: RE: [PATCH v23 08/22] richacl: Compute maximum file masks from an acl
Date: Wed, 13 Jul 2016 12:38:50 -0700	[thread overview]
Message-ID: <018b01d1dd3e$2f868170$8e938450$@mindspring.com> (raw)
In-Reply-To: <CAHc6FU5oeaCxgZPFeNSHDfSjnVKe9km14R4s5RoBhJXPaL7ymQ@mail.gmail.com>

> > Hmm, but does that result in examining the whole ACL for most access
> checks, at least for files where most of the accesses are by the owner, or a
> member of a specific group (with perhaps a ton of special case users added
> on the end)?
> 
> I don't understand -- what does this algorithm have to do with access checks?

Oh, sorry, misread the patch... got caught up looking at a tree and not seeing the forest...

Frank



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  reply	other threads:[~2016-07-13 19:38 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-30 13:46 [PATCH v23 00/22] Richacls (Core and Ext4) Andreas Gruenbacher
2016-06-30 13:46 ` [PATCH v23 01/22] vfs: Add IS_ACL() and IS_RICHACL() tests Andreas Gruenbacher
2016-07-05 11:00   ` Jeff Layton
2016-06-30 13:46 ` [PATCH v23 02/22] vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags Andreas Gruenbacher
     [not found]   ` <1467294433-3222-3-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:02     ` Jeff Layton
2016-06-30 13:46 ` [PATCH v23 03/22] vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD " Andreas Gruenbacher
     [not found]   ` <1467294433-3222-4-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:07     ` Jeff Layton
2016-06-30 13:46 ` [PATCH v23 04/22] vfs: Make the inode passed to inode_change_ok non-const Andreas Gruenbacher
     [not found]   ` <1467294433-3222-5-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:12     ` Jeff Layton
2016-06-30 13:46 ` [PATCH v23 05/22] vfs: Add permission flags for setting file attributes Andreas Gruenbacher
2016-07-05 11:18   ` Jeff Layton
2016-06-30 13:46 ` [PATCH v23 06/22] richacl: In-memory representation and helper functions Andreas Gruenbacher
2016-07-05 11:34   ` Jeff Layton
     [not found]     ` <1467718448.3800.16.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-11 10:11       ` Andreas Gruenbacher
2016-06-30 13:46 ` [PATCH v23 07/22] richacl: Permission mapping functions Andreas Gruenbacher
2016-07-05 13:39   ` Jeff Layton
2016-07-11 13:26     ` Andreas Gruenbacher
2016-06-30 13:46 ` [PATCH v23 08/22] richacl: Compute maximum file masks from an acl Andreas Gruenbacher
     [not found]   ` <1467294433-3222-9-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 14:22     ` Jeff Layton
2016-07-05 17:08       ` Frank Filz
2016-07-13 12:34         ` Andreas Gruenbacher
2016-07-13 19:38           ` Frank Filz [this message]
2016-06-30 13:47 ` [PATCH v23 09/22] richacl: Permission check algorithm Andreas Gruenbacher
2016-07-05 14:59   ` Jeff Layton
2016-07-11 13:28     ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 10/22] posix_acl: Improve xattr fixup code Andreas Gruenbacher
     [not found]   ` <1467294433-3222-11-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 15:38     ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 11/22] vfs: Cache base_acl objects in inodes Andreas Gruenbacher
     [not found]   ` <1467294433-3222-12-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 15:56     ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 12/22] vfs: Add get_richacl and set_richacl inode operations Andreas Gruenbacher
     [not found]   ` <1467294433-3222-13-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-06 18:31     ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 13/22] vfs: Cache richacl in struct inode Andreas Gruenbacher
     [not found]   ` <1467294433-3222-14-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-06 18:57     ` Jeff Layton
2016-07-14 20:02       ` Andreas Gruenbacher
     [not found]   ` <1467831425.2908.16.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-07 14:14     ` David Howells
2016-06-30 13:47 ` [PATCH v23 14/22] richacl: Update the file masks in chmod() Andreas Gruenbacher
     [not found]   ` <1467294433-3222-15-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-12 11:36     ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 15/22] richacl: Check if an acl is equivalent to a file mode Andreas Gruenbacher
2016-07-12 11:39   ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 16/22] richacl: Create-time inheritance Andreas Gruenbacher
2016-07-12 11:41   ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 17/22] richacl: Automatic Inheritance Andreas Gruenbacher
2016-07-12 11:56   ` Jeff Layton
     [not found]     ` <1468324560.7798.14.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-12 19:11       ` J. Bruce Fields
     [not found]         ` <20160712191142.GE449-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2016-07-12 20:28           ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 18/22] richacl: xattr mapping functions Andreas Gruenbacher
2016-07-12 12:02   ` Jeff Layton
2016-07-14 20:33     ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 19/22] richacl: Add richacl xattr handler Andreas Gruenbacher
2016-07-12 12:13   ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 20/22] vfs: Add richacl permission checking Andreas Gruenbacher
2016-07-12 12:13   ` Jeff Layton
     [not found]     ` <1468325634.7798.24.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-14 20:59       ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 21/22] ext4: Add richacl support Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 22/22] ext4: Add richacl feature flag Andreas Gruenbacher
2016-06-30 14:11 ` [PATCH v23 00/22] Richacls (Core and Ext4) Volker Lendecke

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