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-rw-r--r--fs/btrfs/ctree.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f30ac05dbda7..3b859a3e6a0e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1335,6 +1335,11 @@ struct btrfs_ioctl_defrag_range_args {
*/
#define BTRFS_STRING_ITEM_KEY 253
+/*
+ * Flags for mount options.
+ *
+ * Note: don't forget to add new options to btrfs_show_options()
+ */
#define BTRFS_MOUNT_NODATASUM (1 << 0)
#define BTRFS_MOUNT_NODATACOW (1 << 1)
#define BTRFS_MOUNT_NOBARRIER (1 << 2)