Get current metadata version from sysfs

This changes the default version for the format command to be the
currently supported version, via
/sys/modules/bcachefs/parameters/version.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 3 insertions, 0 deletions

diff --git a/cmd_format.c b/cmd_format.c
index 9feb3345..26a1cd9f 100644
--- a/cmd_format.c
+++ b/cmd_format.c
@@ -219,6 +219,9 @@ int cmd_format(int argc, char *argv[])
 			break;
 		}
 
+	if (opts.version != bcachefs_metadata_version_current)
+		initialize = false;
+
 	if (!devices.nr)
 		die("Please supply a device");