Add lock/unlock functions to blockdev_iface

[lwext4.git] / blockdev / blockdev.c

diff --git a/blockdev/blockdev.c b/blockdev/blockdev.c
index cbac6f0fb795014f3e737ede072769b9e8d5edeb..a44a2e1b7769badaffec82da40d2e7991d4e6557 100644 (file)
--- a/blockdev/blockdev.c
+++ b/blockdev/blockdev.c
@@ -39,10 +39,13 @@ static int blockdev_bread(struct ext4_blockdev *bdev, void *buf, uint64_t blk_id
 static int blockdev_bwrite(struct ext4_blockdev *bdev, const void *buf,
                          uint64_t blk_id, uint32_t blk_cnt);
 static int blockdev_close(struct ext4_blockdev *bdev);
+static int blockdev_lock(struct ext4_blockdev *bdev);
+static int blockdev_unlock(struct ext4_blockdev *bdev);
 
 /******************************************************************************/
 EXT4_BLOCKDEV_STATIC_INSTANCE(blockdev, 512, 0, blockdev_open,
-                             blockdev_bread, blockdev_bwrite, blockdev_close);
+                             blockdev_bread, blockdev_bwrite, blockdev_close,
+                             blockdev_lock, blockdev_unlock);
 
 /******************************************************************************/
 static int blockdev_open(struct ext4_blockdev *bdev)
@@ -75,6 +78,18 @@ static int blockdev_close(struct ext4_blockdev *bdev)
        return EIO;
 }
 
+static int blockdev_lock(struct ext4_blockdev *bdev)
+{
+       /*blockdev_lock: skeleton*/
+       return EIO;
+}
+
+static int blockdev_unlock(struct ext4_blockdev *bdev)
+{
+       /*blockdev_unlock: skeleton*/
+       return EIO;
+}
+
 /******************************************************************************/
 struct ext4_blockdev *ext4_blockdev_get(void)
 {