diff options
| -rw-r--r-- | block/block-backend.c | 15 | ||||
| -rw-r--r-- | include/sysemu/block-backend.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 7f5ad59858..ebdf78a11c 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -223,6 +223,21 @@ void blk_unref(BlockBackend *blk) } } +void blk_remove_all_bs(void) +{ + BlockBackend *blk; + + QTAILQ_FOREACH(blk, &blk_backends, link) { + AioContext *ctx = blk_get_aio_context(blk); + + aio_context_acquire(ctx); + if (blk->bs) { + blk_remove_bs(blk); + } + aio_context_release(ctx); + } +} + /* * Return the BlockBackend after @blk. * If @blk is null, return the first one. diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index ae4efb4138..ec303316bb 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -68,6 +68,7 @@ BlockBackend *blk_new_open(const char *name, const char *filename, int blk_get_refcnt(BlockBackend *blk); void blk_ref(BlockBackend *blk); void blk_unref(BlockBackend *blk); +void blk_remove_all_bs(void); const char *blk_name(BlockBackend *blk); BlockBackend *blk_by_name(const char *name); BlockBackend *blk_next(BlockBackend *blk); |