ordered_extent_mutex 1050 fs/btrfs/ctree.h 	struct mutex ordered_extent_mutex;
ordered_extent_mutex 1156 fs/btrfs/disk-io.c 	mutex_init(&root->ordered_extent_mutex);
ordered_extent_mutex  530 fs/btrfs/ordered-data.c 	mutex_lock(&root->ordered_extent_mutex);
ordered_extent_mutex  570 fs/btrfs/ordered-data.c 	mutex_unlock(&root->ordered_extent_mutex);