CIFS: Add brlock support for SMB2
Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index e4a59d1f..caed2c5 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -544,6 +544,17 @@
ob1->fid.volatile_fid == ob2->fid.volatile_fid;
}
+static int
+smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
+ __u64 length, __u32 type, int lock, int unlock, bool wait)
+{
+ if (unlock && !lock)
+ type = SMB2_LOCKFLAG_UNLOCK;
+ return SMB2_lock(xid, tlink_tcon(cfile->tlink),
+ cfile->fid.persistent_fid, cfile->fid.volatile_fid,
+ current->tgid, length, offset, type, wait);
+}
+
struct smb_version_operations smb21_operations = {
.compare_fids = smb2_compare_fids,
.setup_request = smb2_setup_request,
@@ -602,6 +613,8 @@
.is_status_pending = smb2_is_status_pending,
.oplock_response = smb2_oplock_response,
.queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
};
struct smb_version_values smb21_values = {