tree 02ccbd85b5628cc1cb4cb982c74514fe8d851fdb
parent 88cf75aaaf27a652b3e85960ac3060172dd3edac
author Pavel Shilovsky <piastry@etersoft.ru> 1356345679 +0400
committer Steve French <smfrench@gmail.com> 1357103070 -0600

CIFS: Don't let read only caching for mandatory byte-range locked files

If we have mandatory byte-range locks on a file we can't cache reads
because pagereading may have conflicts with these locks on the server.
That's why we should allow level2 oplocks for files without mandatory
locks only.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>