smb3: update TODO list of missing features

minor cleanup of documentation, updating to more current status.
Signed-off-by: Steve French <stfrench@microsoft.com>

Documentation/filesystems/cifs/TODO

@@ -13,7 +13,8 @@ a) SMB3 (and SMB3.1.1) missing optional features:
    - T10 copy offload ie "ODX" (copy chunk, and "Duplicate Extents" ioctl
      currently the only two server side copy mechanisms supported)
 
-b) improved sparse file support
+b) improved sparse file support (fiemap and SEEK_HOLE are implemented
+but additional features would be supportable by the protocol).
 
 c) Directory entry caching relies on a 1 second timer, rather than
 using Directory Leases, currently only the root file handle is cached longer
@@ -21,9 +22,13 @@ using Directory Leases, currently only the root file handle is cached longer
 d) quota support (needs minor kernel change since quota calls
 to make it to network filesystems or deviceless filesystems)
 
-e) Additional use cases where we use "compoounding" (e.g. open/query/close
-and open/setinfo/close) to reduce the number of roundtrips, and also
-open to reduce redundant opens (using deferred close and reference counts more).
+e) Additional use cases can be optimized to use "compounding"
+(e.g. open/query/close and open/setinfo/close) to reduce the number
+of roundtrips to the server and improve performance. Various cases
+(stat, statfs, create, unlink, mkdir) already have been improved by
+using compounding but more can be done.  In addition we could significantly
+reduce redundant opens by using deferred close (with handle caching leases)
+and better using reference counters on file handles.
 
 f) Finish inotify support so kde and gnome file list windows
 will autorefresh (partially complete by Asser). Needs minor kernel
@@ -43,18 +48,17 @@ mount or a per server basis to client UIDs or nobody if no mapping
 exists. Also better integration with winbind for resolving SID owners
 
 k) Add tools to take advantage of more smb3 specific ioctls and features
-(passthrough ioctl/fsctl for sending various SMB3 fsctls to the server
-is in progress, and a passthrough query_info call is already implemented
-in cifs.ko to allow smb3 info levels queries to be sent from userspace)
+(passthrough ioctl/fsctl is now implemented in cifs.ko to allow sending
+various SMB3 fsctls and query info and set info calls directly from user space)
+Add tools to make setting various non-POSIX metadata attributes easier
+from tools (e.g. extending what was done in smb-info tool).
 
 l) encrypted file support
 
 m) improved stats gathering tools (perhaps integration with nfsometer?)
 to extend and make easier to use what is currently in /proc/fs/cifs/Stats
 
-n) allow setting more NTFS/SMB3 file attributes remotely (currently limited to compressed
-file attribute via chflags) and improve user space tools for managing and
-viewing them.
+n) Add support for claims based ACLs ("DAC")
 
 o) mount helper GUI (to simplify the various configuration options on mount)
 
@@ -82,6 +86,8 @@ so far).
 w) Add support for additional strong encryption types, and additional spnego
 authentication mechanisms (see MS-SMB2)
 
+x) Finish support for SMB3.1.1 compression
+
 KNOWN BUGS
 ====================================
 See http://bugzilla.samba.org - search on product "CifsVFS" for