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block: remove AioContext locking

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This is the big patch that removes
aio_context_acquire()/aio_context_release() from the block layer and
affected block layer users.

There isn't a clean way to split this patch and the reviewers are likely
the same group of people, so I decided to do it in one patch.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-ID: <20231205182011.1976568-7-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-12-05 13:20:03 -05:00 • committed by Kevin Wolf
parent 6bc30f1949
commit b49f4755c7
41 changed files with 104 additions and 1169 deletions
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6
tests/unit/test-bdrv-graph-mod.c
View file

@ -142,10 +142,8 @@ static void test_update_perm_tree(void)
BDRV_CHILD_DATA, &error_abort);
bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
ret = bdrv_append(filter, bs, NULL);
g_assert_cmpint(ret, <, 0);
aio_context_release(qemu_get_aio_context());
bdrv_unref(filter);
blk_unref(root);
@ -211,9 +209,7 @@ static void test_should_update_child(void)
bdrv_attach_child(filter, target, "target", &child_of_bds,
BDRV_CHILD_DATA, &error_abort);
bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
bdrv_append(filter, bs, &error_abort);
aio_context_release(qemu_get_aio_context());
bdrv_graph_rdlock_main_loop();
g_assert(target->backing->bs == bs);
@ -440,9 +436,7 @@ static void test_append_greedy_filter(void)
&error_abort);
bdrv_graph_wrunlock();
aio_context_acquire(qemu_get_aio_context());
bdrv_append(fl, base, &error_abort);
aio_context_release(qemu_get_aio_context());
bdrv_unref(fl);
bdrv_unref(top);
}