cifs: request oplock when doing open on lookup

commit 8b0192a5f478da1c1ae906bf3ffff53f26204f56 upstream.

Currently, it's always set to 0 (no oplock requested).

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index d7eeb9d3ed6feae9a8c25f9e71d7822efba3e488..e4c33345113779bfbf832b42cd3a36775ab0d1ee 100644 (file)
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -492,7 +492,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
 {
        int xid;
        int rc = 0; /* to get around spurious gcc warning, set to zero here */
-       __u32 oplock = 0;
+       __u32 oplock = enable_oplocks ? REQ_OPLOCK : 0;
        __u16 fileHandle = 0;
        bool posix_open = false;
        struct cifs_sb_info *cifs_sb;