smbd: Add reset_share_mode_entry

Mostly for durable reconnect at this point

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

2 files changed, 30 insertions, 0 deletions

diff --git a/source3/locking/locking.c b/source3/locking/locking.c
index eccb680189a..cf64a962cd8 100644
--- a/source3/locking/locking.c
+++ b/source3/locking/locking.c
@@ -895,6 +895,29 @@ static struct share_mode_entry *find_share_mode_entry(
 	return NULL;
 }
 
+bool reset_share_mode_entry(
+	struct share_mode_lock *lck,
+	struct server_id old_pid,
+	uint64_t old_share_file_id,
+	struct server_id new_pid,
+	uint64_t new_mid,
+	uint64_t new_share_file_id)
+{
+	struct share_mode_entry *e = find_share_mode_entry(
+		lck, old_pid, old_share_file_id);
+
+	if (e == NULL) {
+		return false;
+	}
+
+	e->pid = new_pid;
+	e->op_mid = new_mid;
+	e->share_file_id = new_share_file_id;
+
+	lck->data->modified = true;
+	return true;
+}
+
 /*******************************************************************
  Del the share mode of a file for this process.
 ********************************************************************/
diff --git a/source3/locking/proto.h b/source3/locking/proto.h
index 32f6c64965c..c08517d8ce1 100644
--- a/source3/locking/proto.h
+++ b/source3/locking/proto.h
@@ -178,6 +178,13 @@ bool set_share_mode(struct share_mode_lock *lck,
 		    uint16_t op_type,
 		    uint32_t share_access,
 		    uint32_t access_mask);
+bool reset_share_mode_entry(
+	struct share_mode_lock *lck,
+	struct server_id old_pid,
+	uint64_t old_share_file_id,
+	struct server_id new_pid,
+	uint64_t new_mid,
+	uint64_t new_share_file_id);
 NTSTATUS remove_lease_if_stale(const struct share_mode_data *d,
 			       const struct GUID *client_guid,
 			       const struct smb2_lease_key *lease_key);