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[PATCH 08/15] nbd: a BlockExport always has a BlockBackend
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From: |
Paolo Bonzini |
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Subject: |
[PATCH 08/15] nbd: a BlockExport always has a BlockBackend |
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Date: |
Mon, 12 Dec 2022 13:59:13 +0100 |
exp->common.blk cannot be NULL, nbd_export_delete() is only called from
blk_exp_unref() and in turn that can only happen after blk_exp_add()
has asserted exp->blk != NULL.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
nbd/server.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/nbd/server.c b/nbd/server.c
index c53c39560e50..462ddb0e4adb 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -1848,15 +1848,13 @@ static void nbd_export_delete(BlockExport *blk_exp)
g_free(exp->description);
exp->description = NULL;
- if (exp->common.blk) {
- if (exp->eject_notifier_blk) {
- notifier_remove(&exp->eject_notifier);
- blk_unref(exp->eject_notifier_blk);
- }
- blk_remove_aio_context_notifier(exp->common.blk, blk_aio_attached,
- blk_aio_detach, exp);
- blk_set_disable_request_queuing(exp->common.blk, false);
+ if (exp->eject_notifier_blk) {
+ notifier_remove(&exp->eject_notifier);
+ blk_unref(exp->eject_notifier_blk);
}
+ blk_remove_aio_context_notifier(exp->common.blk, blk_aio_attached,
+ blk_aio_detach, exp);
+ blk_set_disable_request_queuing(exp->common.blk, false);
for (i = 0; i < exp->nr_export_bitmaps; i++) {
bdrv_dirty_bitmap_set_busy(exp->export_bitmaps[i], false);
--
2.38.1
- [PATCH 00/12] More cleanups and fixes for drain, Paolo Bonzini, 2022/12/12
- [PATCH 01/15] Revert "block: Remove poll parameter from bdrv_parent_drained_begin_single()", Paolo Bonzini, 2022/12/12
- [PATCH 02/15] Revert "block: Don't poll in bdrv_replace_child_noperm()", Paolo Bonzini, 2022/12/12
- [PATCH 03/15] block: Pull polling out of bdrv_parent_drained_begin_single(), Paolo Bonzini, 2022/12/12
- [PATCH 04/15] test-bdrv-drain.c: remove test_detach_by_parent_cb(), Paolo Bonzini, 2022/12/12
- [PATCH 05/15] tests/unit/test-bdrv-drain.c: graph setup functions can't run in coroutines, Paolo Bonzini, 2022/12/12
- [PATCH 06/15] tests/qemu-iotests/030: test_stream_parallel should use auto_finalize=False, Paolo Bonzini, 2022/12/12
- [PATCH 07/15] block-backend: enter aio coroutine only after drain, Paolo Bonzini, 2022/12/12
- [PATCH 08/15] nbd: a BlockExport always has a BlockBackend,
Paolo Bonzini <=
- [PATCH 09/15] block-backend: make global properties write-once, Paolo Bonzini, 2022/12/12
- [PATCH 11/15] block-backend: make queued_requests thread-safe, Paolo Bonzini, 2022/12/12
- [PATCH 13/15] block: second argument of bdrv_do_drained_end is always NULL, Paolo Bonzini, 2022/12/12
- [PATCH 14/15] block: second argument of bdrv_do_drained_begin and bdrv_drain_poll is always NULL, Paolo Bonzini, 2022/12/12
- [PATCH 10/15] block-backend: always wait for drain before starting operation, Paolo Bonzini, 2022/12/12
- [PATCH 12/15] block: limit bdrv_co_yield_to_drain to drain_begin, Paolo Bonzini, 2022/12/12
- [PATCH 15/15] block: only get out of coroutine context for polling, Paolo Bonzini, 2022/12/12