block: Remove unused blk_op_is_blocked()

Commit fc4e394b28 removed the last caller of blk_op_is_blocked(). Remove
the now unused function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250206165331.379033-1-kwolf@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/block-backend.c

@@ -2357,18 +2357,6 @@ void *blk_blockalign(BlockBackend *blk, size_t size)
     return qemu_blockalign(blk ? blk_bs(blk) : NULL, size);
 }
 
-bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp)
-{
-    BlockDriverState *bs = blk_bs(blk);
-    GLOBAL_STATE_CODE();
-    GRAPH_RDLOCK_GUARD_MAINLOOP();
-
-    if (!bs) {
-        return false;
-    }
-
-    return bdrv_op_is_blocked(bs, op, errp);
-}
 
 /**
  * Return BB's current AioContext.  Note that this context may change

include/system/block-backend-global-state.h

@@ -86,7 +86,6 @@ bool blk_supports_write_perm(BlockBackend *blk);
 bool blk_is_sg(BlockBackend *blk);
 void blk_set_enable_write_cache(BlockBackend *blk, bool wce);
 int blk_get_flags(BlockBackend *blk);
-bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp);
 int blk_set_aio_context(BlockBackend *blk, AioContext *new_context,
                         Error **errp);
 void blk_add_aio_context_notifier(BlockBackend *blk,