block: Remove BDS close notifier

It is unused now, so we can remove it.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

5 files changed, 0 insertions, 19 deletions

diff --git a/block.c b/block.c
index 41ab00efea..f4312d94f7 100644
--- a/block.c
+++ b/block.c
@@ -259,7 +259,6 @@ BlockDriverState *bdrv_new(void)
     for (i = 0; i < BLOCK_OP_TYPE_MAX; i++) {
         QLIST_INIT(&bs->op_blockers[i]);
     }
-    notifier_list_init(&bs->close_notifiers);
     notifier_with_return_list_init(&bs->before_write_notifiers);
     qemu_co_queue_init(&bs->throttled_reqs[0]);
     qemu_co_queue_init(&bs->throttled_reqs[1]);
@@ -269,11 +268,6 @@ BlockDriverState *bdrv_new(void)
     return bs;
 }
 
-void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify)
-{
-    notifier_list_add(&bs->close_notifiers, notify);
-}
-
 BlockDriver *bdrv_find_format(const char *format_name)
 {
     BlockDriver *drv1;
@@ -2157,8 +2151,6 @@ void bdrv_close(BlockDriverState *bs)
     bdrv_flush(bs);
     bdrv_drain(bs); /* in case flush left pending I/O */
 
-    notifier_list_notify(&bs->close_notifiers, bs);
-
     bdrv_release_named_dirty_bitmaps(bs);
     assert(QLIST_EMPTY(&bs->dirty_bitmaps));
 
diff --git a/block/block-backend.c b/block/block-backend.c
index 1872191478..621787cdb0 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1146,13 +1146,6 @@ void blk_add_insert_bs_notifier(BlockBackend *blk, Notifier *notify)
     notifier_list_add(&blk->insert_bs_notifiers, notify);
 }
 
-void blk_add_close_notifier(BlockBackend *blk, Notifier *notify)
-{
-    if (blk->bs) {
-        bdrv_add_close_notifier(blk->bs, notify);
-    }
-}
-
 void blk_io_plug(BlockBackend *blk)
 {
     if (blk->bs) {
diff --git a/include/block/block.h b/include/block/block.h
index 25f36dcc74..c7345dea3b 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -226,7 +226,6 @@ int bdrv_reopen_prepare(BDRVReopenState *reopen_state,
 void bdrv_reopen_commit(BDRVReopenState *reopen_state);
 void bdrv_reopen_abort(BDRVReopenState *reopen_state);
 void bdrv_close(BlockDriverState *bs);
-void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify);
 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
               uint8_t *buf, int nb_sectors);
 int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
diff --git a/include/block/block_int.h b/include/block/block_int.h
index ec31df1106..8730cf63c7 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -403,8 +403,6 @@ struct BlockDriverState {
     BdrvChild *backing;
     BdrvChild *file;
 
-    NotifierList close_notifiers;
-
     /* Callback before write request is processed */
     NotifierWithReturnList before_write_notifiers;
 
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index e12be6759a..ae4efb4138 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -166,7 +166,6 @@ void blk_remove_aio_context_notifier(BlockBackend *blk,
                                      void *opaque);
 void blk_add_remove_bs_notifier(BlockBackend *blk, Notifier *notify);
 void blk_add_insert_bs_notifier(BlockBackend *blk, Notifier *notify);
-void blk_add_close_notifier(BlockBackend *blk, Notifier *notify);
 void blk_io_plug(BlockBackend *blk);
 void blk_io_unplug(BlockBackend *blk);
 BlockAcctStats *blk_get_stats(BlockBackend *blk);