[Qemu-devel] [PATCH v2 08/12] block/json: Add ioctl etc.

[Max Reitz <mreitz@redhat.com>]

Add passthrough functions for bdrv_aio_ioctl(), bdrv_is_inserted(),
bdrv_media_changed(), bdrv_eject(), bdrv_lock_medium() and bdrv_ioctl().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
---
 block/json.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/block/json.c b/block/json.c
index 966a5f5..f21b7e3 100644
--- a/block/json.c
+++ b/block/json.c
@@ -103,6 +103,14 @@ static BlockDriverAIOCB *json_aio_discard(BlockDriverState *bs,
     return bdrv_aio_discard(bs->file, sector_num, nb_sectors, cb, opaque);
 }
 
+static BlockDriverAIOCB *json_aio_ioctl(BlockDriverState *bs,
+                                        unsigned long int req, void *buf,
+                                        BlockDriverCompletionFunc *cb,
+                                        void *opaque)
+{
+    return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque);
+}
+
 static coroutine_fn int json_co_write_zeroes(BlockDriverState *bs,
                                              int64_t sector_num, int nb_sectors,
                                              BdrvRequestFlags flags)
@@ -119,6 +127,31 @@ static coroutine_fn int64_t json_co_get_block_status(BlockDriverState *bs,
            (sector_num << BDRV_SECTOR_BITS);
 }
 
+static int json_is_inserted(BlockDriverState *bs)
+{
+    return bdrv_is_inserted(bs->file);
+}
+
+static int json_media_changed(BlockDriverState *bs)
+{
+    return bdrv_media_changed(bs->file);
+}
+
+static void json_eject(BlockDriverState *bs, bool eject_flag)
+{
+    bdrv_eject(bs->file, eject_flag);
+}
+
+static void json_lock_medium(BlockDriverState *bs, bool locked)
+{
+    bdrv_lock_medium(bs->file, locked);
+}
+
+static int json_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
+{
+    return bdrv_ioctl(bs->file, req, buf);
+}
+
 static void json_invalidate_cache(BlockDriverState *bs)
 {
     return bdrv_invalidate_cache(bs->file);
@@ -163,10 +196,17 @@ static BlockDriver bdrv_json = {
     .bdrv_aio_writev            = json_aio_writev,
     .bdrv_aio_flush             = json_aio_flush,
     .bdrv_aio_discard           = json_aio_discard,
+    .bdrv_aio_ioctl             = json_aio_ioctl,
 
     .bdrv_co_write_zeroes       = json_co_write_zeroes,
     .bdrv_co_get_block_status   = json_co_get_block_status,
 
+    .bdrv_is_inserted           = json_is_inserted,
+    .bdrv_media_changed         = json_media_changed,
+    .bdrv_eject                 = json_eject,
+    .bdrv_lock_medium           = json_lock_medium,
+    .bdrv_ioctl                 = json_ioctl,
+
     .bdrv_invalidate_cache      = json_invalidate_cache,
 
     .has_variable_length        = true,
-- 
1.9.0