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Diffstat (limited to 'Documentation/admin-guide/cifs/todo.rst')
| -rw-r--r-- | Documentation/admin-guide/cifs/todo.rst | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/Documentation/admin-guide/cifs/todo.rst b/Documentation/admin-guide/cifs/todo.rst index 95f18e8c9b8a..084c25f92dcb 100644 --- a/Documentation/admin-guide/cifs/todo.rst +++ b/Documentation/admin-guide/cifs/todo.rst @@ -18,7 +18,8 @@ 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 @@ -26,10 +27,14 @@ c) Directory entry caching relies on a 1 second timer, rather than 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 @@ -49,18 +54,18 @@ j) Create UID mapping facility so server UIDs can be mapped on a per 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) @@ -88,6 +93,8 @@ v) POSIX Extensions for SMB3.1.1 (started, create and mkdir support added 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 ========== |