smb: client: set lease_granted before revalidating inode in cifs_nt_open()

cifs_new_fileinfo() -> set_fid() sets CIFS_I(inode)->lease_granted only
after cifs_get_inode_info() has run.  Opens that cifs_get_inode_info()
issues for the inode -- such as the Minshall+French symlink probe or an
open compounded in smb2_compound_op() -- therefore find lease_granted
clear, go out leaseless, and make the server break the lease just granted
to the file.

Set lease_granted right after the open succeeds, before
cifs_get_inode_info(), so those opens reuse the inode's lease key.  Only
raise it: lease_granted is kept set for the inode's lifetime, so lowering
it here could clobber a lease still held through another open.

Signed-off-by: Paulo Alcantara <pc@manguebit.org>
Reviewed-by: David Howells <dhowells@redhat.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Bharath SM <bharathsm@microsoft.com>

0 files changed, 0 insertions, 0 deletions