Commit 9a7e86c8 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

block: Assert drain_all is only called from main AioContext 



Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Reviewed-by: default avatarFam Zheng <famz@redhat.com>
parent 8e77e0bc

block/io.c

+6 −0
Original line number Diff line number Diff line
@@ -330,6 +330,12 @@ void bdrv_drain_all_begin(void) 
    BdrvNextIterator it;

    GSList *aio_ctxs = NULL, *ctx;



    /* BDRV_POLL_WHILE() for a node can only be called from its own I/O thread

     * or the main loop AioContext. We potentially use BDRV_POLL_WHILE() on

     * nodes in several different AioContexts, so make sure we're in the main

     * context. */

    assert(qemu_get_current_aio_context() == qemu_get_aio_context());



    block_job_pause_all();



    for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {