Messages in this thread | | | Date | Wed, 2 Mar 2011 13:58:47 -0500 | From | "J. Bruce Fields" <> | Subject | Re: [PATCH -V5 00/24] New ACL format for better NFSv4 acl interoperability |
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On Wed, Mar 02, 2011 at 11:17:56PM +0530, Aneesh Kumar K. V wrote: > On Wed, 2 Mar 2011 10:49:43 -0500, "J. Bruce Fields" <bfields@fieldses.org> wrote: > > On Tue, Mar 01, 2011 at 12:20:36PM +0530, Aneesh Kumar K. V wrote: > > > On Mon, 28 Feb 2011 16:11:45 -0500, "Ted Ts'o" <tytso@mit.edu> wrote: > > > > Hi Aneesh, > > > > > > > > What is the current status of this patch series? I seem to remember > > > > that Christoph and Al Viro had some objections; have those been > > > > cleared yet? If not, can you summarize what their objections are? > > > > > > The main objection raised was the use of may_delete and may_create inode > > > operations callback. They are gone now and we have MAY_* flags as > > > favoured by Al Viro. The new MAY_* flags added are > > > > > > #define MAY_CREATE_FILE 128 > > > #define MAY_CREATE_DIR 256 > > > #define MAY_DELETE_CHILD 512 > > > #define MAY_DELETE_SELF 1024 > > > #define MAY_TAKE_OWNERSHIP 2048 > > > #define MAY_CHMOD 4096 > > > #define MAY_SET_TIMES 8192 > > > > > > > > > > > > > > To be honest I haven't been paying super close attention to this patch > > > > series, and I'm curious what needs to happen with it one way or > > > > another. > > > > > > > > > > IMHO we are ready to get first 11 patches upstream in the next merge > > > window. ie the below set of patches. > > > > Why aren't all of them ready? > > > > All except how to enable richacl in local file system is ready. I > actually floated two ideas in the patch series > > 1) mount option > 2) Ext4 compat flags.
The choice of ACL format is a persistant property of the filesystem, not of a single mount of the filesystem: for example, people can't try out richacls for one mount and then decide to revert bacak to posix acls.
(Right?) So I'm assuming we should use the latter--but I don't understand what ext4 compat flags are.... Is there some disadvantage to using them?
--b.
> > If we can get to decide which one, then the entire set can go in. We also > want others to review the richacl format. If that cannot be completed by > next merge window there is no reason to prevent the vfs changes from > going in. VFS changes are independent of richacl format.
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