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-rw-r--r--extmod/vfs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/extmod/vfs.h b/extmod/vfs.h
index 15bd2a5f5..004b002f5 100644
--- a/extmod/vfs.h
+++ b/extmod/vfs.h
@@ -50,6 +50,7 @@
#define MP_BLOCKDEV_IOCTL_SYNC (3)
#define MP_BLOCKDEV_IOCTL_BLOCK_COUNT (4)
#define MP_BLOCKDEV_IOCTL_BLOCK_SIZE (5)
+#define MP_BLOCKDEV_IOCTL_BLOCK_ERASE (6)
// At the moment the VFS protocol just has import_stat, but could be extended to other methods
typedef struct _mp_vfs_proto_t {