[RFC v3 00/45] Richacls

Stefan (metze) Metzmacher metze at samba.org
Thu Jun 25 14:03:07 MDT 2015

Hi Andreas,

>> here's another update of the richacl patch queue.  The changes since the last
>> posting (https://lwn.net/Articles/638242/) include:
>>  * The nfs client now allocates pages for received acls on demand like the
>>    server does.  It no longer caches the acl size between calls.
>>  * All possible acls consisting of only owner@, group@, and everyone@ entries
>>    which are equivalent to the file mode permission bits are now recognized.
>>    This is needed because by the NFSv4 specification, the nfs server must
>>    translate the file mode permission bits into an acl if it supports acls at
>>    all.
>>  * Support for the dacl attribute over NFSv4.1 for Automatic Inheritance, and
>>    also for the write_retention and write_retention_hold permissions.
>>  * The richacl_compute_max_masks() documentation has been improved.
>>  * Various minor bug fixes.
>> The git version is available here:
>>   git://git.kernel.org/pub/scm/linux/kernel/git/agruen/linux-richacl.git \
>> 	richacl-2015-04-24
> FYI. I have a mostly (needs test suite adding) working module
> for Samba for Andreas's richacls code.
> Using it we map incoming Windows ACLs directly to richacls
> using the same mapping as we use for existing ZFS ACLs.

Yes, we need to make sure the code supports everything we require,
proved by working code.

We should avoid the disaster with the mostly unuseable F_SETLEASE
code for kernel oplocks.


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