smb3: fix snapshot mount option

BugLink: https://bugs.launchpad.net/bugs/2036450

The conversion to the new API broke the snapshot mount option
due to 32 vs. 64 bit type mismatch

Fixes: 24e0a1e ("cifs: switch to new mount api")
Cc: [email protected] # 5.11+
Reported-by: <[email protected]>
Acked-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
(cherry picked from commit 9405b5f)
Signed-off-by: Tim Gardner <[email protected]>

Author: smfrench

fs/cifs/fs_context.c

@@ -149,7 +149,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = {
 	fsparam_u32("echo_interval", Opt_echo_interval),
 	fsparam_u32("max_credits", Opt_max_credits),
 	fsparam_u32("handletimeout", Opt_handletimeout),
-	fsparam_u32("snapshot", Opt_snapshot),
+	fsparam_u64("snapshot", Opt_snapshot),
 	fsparam_u32("max_channels", Opt_max_channels),
 
 	/* Mount options which take string value */
@@ -1090,7 +1090,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 		ctx->echo_interval = result.uint_32;
 		break;
 	case Opt_snapshot:
-		ctx->snapshot_time = result.uint_32;
+		ctx->snapshot_time = result.uint_64;
 		break;
 	case Opt_max_credits:
 		if (result.uint_32 < 20 || result.uint_32 > 60000) {