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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WARNING: multiple messages have this Message-ID (diff)
From: "Frank Filz" <ffilzlnx@mindspring.com>
To: 'Andreas Gruenbacher' <agruenba@redhat.com>
Cc: "'J. Bruce Fields'" <bfields@fieldses.org>,
'Linux NFS Mailing List' <linux-nfs@vger.kernel.org>,
'Theodore Ts'o' <tytso@mit.edu>,
'Jeff Layton' <jlayton@redhat.com>,
linux-cifs@vger.kernel.org,
'Linux API' <linux-api@vger.kernel.org>,
'Trond Myklebust' <trond.myklebust@primarydata.com>,
'LKML' <linux-kernel@vger.kernel.org>,
'XFS Developers' <xfs@oss.sgi.com>,
'Christoph Hellwig' <hch@infradead.org>,
'Andreas Dilger' <adilger.kernel@dilger.ca>,
'Alexander Viro' <viro@zeniv.linux.org.uk>,
'linux-fsdevel' <linux-fsdevel@vger.kernel.org>,
'linux-ext4' <linux-ext4@vger.kernel.org>,
'Anna Schumaker' <anna.schumaker@netapp.com>
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
---
This email has been checked for viruses by Avast antivirus software.
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WARNING: multiple messages have this Message-ID (diff)
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
---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
next prev parent reply other threads:[~2016-07-13 19:38 UTC|newest]
Thread overview: 133+ 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 ` Andreas Gruenbacher
2016-06-30 13:46 ` [PATCH v23 01/22] vfs: Add IS_ACL() and IS_RICHACL() tests Andreas Gruenbacher
2016-06-30 13:46 ` Andreas Gruenbacher
2016-07-05 11:00 ` Jeff Layton
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
2016-06-30 13:46 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-3-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:02 ` Jeff Layton
2016-07-05 11:02 ` Jeff Layton
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
2016-06-30 13:46 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-4-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:07 ` Jeff Layton
2016-07-05 11:07 ` Jeff Layton
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
2016-06-30 13:46 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-5-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 11:12 ` Jeff Layton
2016-07-05 11:12 ` Jeff Layton
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
2016-06-30 13:46 ` Andreas Gruenbacher
2016-07-05 11:18 ` Jeff Layton
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
2016-06-30 13:46 ` Andreas Gruenbacher
2016-07-05 11:34 ` Jeff Layton
2016-07-05 11:34 ` Jeff Layton
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
2016-07-11 10:11 ` Andreas Gruenbacher
2016-07-11 10:11 ` Andreas Gruenbacher
2016-06-30 13:46 ` [PATCH v23 07/22] richacl: Permission mapping functions Andreas Gruenbacher
2016-06-30 13:46 ` Andreas Gruenbacher
2016-07-05 13:39 ` Jeff Layton
2016-07-05 13:39 ` Jeff Layton
2016-07-05 13:39 ` Jeff Layton
2016-07-11 13:26 ` Andreas Gruenbacher
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
2016-06-30 13:46 ` 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 14:22 ` Jeff Layton
2016-07-05 14:22 ` Jeff Layton
2016-07-05 17:08 ` Frank Filz
2016-07-05 17:08 ` Frank Filz
2016-07-05 17:08 ` Frank Filz
2016-07-13 12:34 ` Andreas Gruenbacher
2016-07-13 12:34 ` Andreas Gruenbacher
2016-07-13 19:38 ` Frank Filz [this message]
2016-07-13 19:38 ` Frank Filz
2016-07-13 19:38 ` Frank Filz
2016-06-30 13:47 ` [PATCH v23 09/22] richacl: Permission check algorithm Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-05 14:59 ` Jeff Layton
2016-07-05 14:59 ` Jeff Layton
2016-07-11 13:28 ` Andreas Gruenbacher
2016-07-11 13:28 ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 10/22] posix_acl: Improve xattr fixup code Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-11-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 15:38 ` Jeff Layton
2016-07-05 15:38 ` Jeff Layton
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
2016-06-30 13:47 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-12-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-05 15:56 ` Jeff Layton
2016-07-05 15:56 ` Jeff Layton
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
2016-06-30 13:47 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-13-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-06 18:31 ` Jeff Layton
2016-07-06 18:31 ` Jeff Layton
2016-07-06 18:31 ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 13/22] vfs: Cache richacl in struct inode Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-14-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-06 18:57 ` Jeff Layton
2016-07-06 18:57 ` Jeff Layton
2016-07-06 18:57 ` Jeff Layton
2016-07-14 20:02 ` Andreas Gruenbacher
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
2016-07-07 14:14 ` David Howells
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
2016-06-30 13:47 ` Andreas Gruenbacher
[not found] ` <1467294433-3222-15-git-send-email-agruenba-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-07-12 11:36 ` Jeff Layton
2016-07-12 11:36 ` Jeff Layton
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
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 11:39 ` Jeff Layton
2016-07-12 11:39 ` Jeff Layton
2016-07-12 11:39 ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 16/22] richacl: Create-time inheritance Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 11:41 ` Jeff Layton
2016-07-12 11:41 ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 17/22] richacl: Automatic Inheritance Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 11:56 ` Jeff Layton
2016-07-12 11:56 ` Jeff Layton
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
2016-07-12 19:11 ` J. Bruce Fields
2016-07-12 19:11 ` J. Bruce Fields
[not found] ` <20160712191142.GE449-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2016-07-12 20:28 ` Andreas Gruenbacher
2016-07-12 20:28 ` Andreas Gruenbacher
2016-07-12 20:28 ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 18/22] richacl: xattr mapping functions Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 12:02 ` Jeff Layton
2016-07-12 12:02 ` Jeff Layton
2016-07-14 20:33 ` Andreas Gruenbacher
2016-07-14 20:33 ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 19/22] richacl: Add richacl xattr handler Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 12:13 ` Jeff Layton
2016-07-12 12:13 ` Jeff Layton
2016-06-30 13:47 ` [PATCH v23 20/22] vfs: Add richacl permission checking Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-07-12 12:13 ` Jeff Layton
2016-07-12 12:13 ` Jeff Layton
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
2016-07-14 20:59 ` Andreas Gruenbacher
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 ` Andreas Gruenbacher
2016-06-30 13:47 ` [PATCH v23 22/22] ext4: Add richacl feature flag Andreas Gruenbacher
2016-06-30 13:47 ` Andreas Gruenbacher
2016-06-30 14:11 ` [PATCH v23 00/22] Richacls (Core and Ext4) Volker Lendecke
2016-06-30 14:11 ` Volker Lendecke
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