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Date: Wed, 2 Dec 2015 22:01:06 +0100
From: Andreas Gruenbacher <agruenba@...hat.com>
To: Alexander Viro <viro@...iv.linux.org.uk>,
"Theodore Ts'o" <tytso@....edu>,
Andreas Dilger <adilger.kernel@...ger.ca>,
"J. Bruce Fields" <bfields@...ldses.org>,
Jeff Layton <jlayton@...chiereds.net>,
Trond Myklebust <trond.myklebust@...marydata.com>,
Anna Schumaker <anna.schumaker@...app.com>,
Dave Chinner <david@...morbit.com>, linux-ext4@...r.kernel.org,
xfs@....sgi.com, linux-kernel@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
linux-cifs@...r.kernel.org, linux-api@...r.kernel.org
Cc: Andreas Gruenbacher <agruenba@...hat.com>
Subject: [PATCH v16 00/22] Richacls (Core and Ext4)
Here is another update to the richacl patch queue. I still think these patches
are ready for the next merge window.
In reply to the previous posting (https://lkml.org/lkml/2015/11/11/60),
Christoph has commented that richacls should use new syscalls as their
user-space interface instead of xattrs; the arguments didn't seem very
convincing though. So instead, I started looking into things that can be
improved in the xattr code (see https://lkml.org/lkml/2015/12/2/343).
Changes since the last posting:
* Fix a typo (https://lkml.org/lkml/2015/11/10/681) that was causing
getxattr to return 95 instead of failing with error EOPNOTSUPP when
richacls were disabled.
* The user namespace conversions for richacls have moved from the VFS
into the get and set operations of richacl_xattr_handler; the VFS
doesn't have to bother anymore.
(POSIX ACLs arguably should behave the same way, but fixing that
without breaking anything is tricky.)
The complete patch queue is available in git form here:
git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-richacl.git \
richacl-2015-11-09
The richacl user-space utilitites, man pages, and test suite are available
here:
https://github.com/andreas-gruenbacher/richacl
Changes to other user-space packages for richacl are available here:
https://github.com/andreas-gruenbacher/coreutils
https://github.com/andreas-gruenbacher/e2fsprogs
https://github.com/andreas-gruenbacher/xfsprogs-dev
https://github.com/andreas-gruenbacher/nfs-utils
Please see the richacl homepage for more information:
http://www.bestbits.at/richacl/
Thanks,
Andreas
Andreas Gruenbacher (20):
vfs: Add IS_ACL() and IS_RICHACL() tests
vfs: Add MAY_CREATE_FILE and MAY_CREATE_DIR permission flags
vfs: Add MAY_DELETE_SELF and MAY_DELETE_CHILD permission flags
vfs: Make the inode passed to inode_change_ok non-const
vfs: Add permission flags for setting file attributes
richacl: In-memory representation and helper functions
richacl: Permission mapping functions
richacl: Compute maximum file masks from an acl
richacl: Permission check algorithm
posix_acl: Unexport acl_by_type and make it static
vfs: Cache base_acl objects in inodes
vfs: Add get_richacl and set_richacl inode operations
vfs: Cache richacl in struct inode
richacl: Update the file masks in chmod()
richacl: Check if an acl is equivalent to a file mode
richacl: Create-time inheritance
richacl: Automatic Inheritance
richacl: xattr mapping functions
richacl: Add richacl xattr handler
vfs: Add richacl permission checking
Aneesh Kumar K.V (2):
ext4: Add richacl support
ext4: Add richacl feature flag
drivers/staging/lustre/lustre/llite/llite_lib.c | 2 +-
fs/Kconfig | 3 +
fs/Makefile | 2 +
fs/attr.c | 81 +++-
fs/ext4/Kconfig | 11 +
fs/ext4/Makefile | 1 +
fs/ext4/ext4.h | 6 +-
fs/ext4/file.c | 3 +
fs/ext4/ialloc.c | 11 +-
fs/ext4/inode.c | 12 +-
fs/ext4/namei.c | 5 +
fs/ext4/richacl.c | 142 ++++++
fs/ext4/richacl.h | 40 ++
fs/ext4/super.c | 49 +-
fs/ext4/xattr.c | 7 +
fs/f2fs/acl.c | 4 +-
fs/inode.c | 15 +-
fs/jffs2/acl.c | 10 +-
fs/namei.c | 118 +++--
fs/posix_acl.c | 50 +--
fs/richacl_base.c | 564 ++++++++++++++++++++++++
fs/richacl_inode.c | 333 ++++++++++++++
fs/richacl_xattr.c | 298 +++++++++++++
fs/xattr.c | 34 +-
include/linux/fs.h | 60 ++-
include/linux/posix_acl.h | 13 +-
include/linux/richacl.h | 208 +++++++++
include/linux/richacl_xattr.h | 44 ++
include/uapi/linux/Kbuild | 2 +
include/uapi/linux/fs.h | 3 +-
include/uapi/linux/richacl.h | 152 +++++++
include/uapi/linux/richacl_xattr.h | 44 ++
include/uapi/linux/xattr.h | 2 +
33 files changed, 2222 insertions(+), 107 deletions(-)
create mode 100644 fs/ext4/richacl.c
create mode 100644 fs/ext4/richacl.h
create mode 100644 fs/richacl_base.c
create mode 100644 fs/richacl_inode.c
create mode 100644 fs/richacl_xattr.c
create mode 100644 include/linux/richacl.h
create mode 100644 include/linux/richacl_xattr.h
create mode 100644 include/uapi/linux/richacl.h
create mode 100644 include/uapi/linux/richacl_xattr.h
--
2.5.0
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