Add lock/unlock functions to blockdev_iface

[lwext4.git] / lwext4 / ext4_blockdev.h

diff --git a/lwext4/ext4_blockdev.h b/lwext4/ext4_blockdev.h
index 51e4335067e4fc4d69332795628fabffadcade23..752647e1e7994cb52cee3895fe1d450f24f7a66b 100644 (file)
--- a/lwext4/ext4_blockdev.h
+++ b/lwext4/ext4_blockdev.h
@@ -71,6 +71,16 @@ struct ext4_blockdev_iface {
         * @param   bdev block device.*/
        int (*close)(struct ext4_blockdev *bdev);
 
+       /**@brief   Lock block device. Required in multi partition mode
+        *          operations. Not mandatory field.
+        * @param   bdev block device.*/
+       int (*lock)(struct ext4_blockdev *bdev);
+
+       /**@brief   Unlock block device. Required in multi partition mode
+        *          operations. Not mandatory field.
+        * @param   bdev block device.*/
+       int (*unlock)(struct ext4_blockdev *bdev);
+
        /**@brief   Block size (bytes): physical*/
        uint32_t ph_bsize;
 
@@ -112,14 +122,16 @@ struct ext4_blockdev {
 };
 
 /**@brief   Static initialization of the block device.*/
-#define EXT4_BLOCKDEV_STATIC_INSTANCE(__name, __bsize, __bcnt, __open,         \
-                                     __bread, __bwrite, __close)              \
+#define EXT4_BLOCKDEV_STATIC_INSTANCE(__name, __bsize, __bcnt, __open, __bread,\
+                                     __bwrite, __close, __lock, __unlock)     \
        static uint8_t __name##_ph_bbuf[(__bsize)];                            \
        static struct ext4_blockdev_iface __name##_iface = {                   \
                .open = __open,                                                \
                .bread = __bread,                                              \
                .bwrite = __bwrite,                                            \
                .close = __close,                                              \
+               .lock = __lock,                                                \
+               .unlock = __unlock,                                            \
                .ph_bsize = __bsize,                                           \
                .ph_bcnt = __bcnt,                                             \
                .ph_bbuf = __name##_ph_bbuf,                                   \