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block: Add blk_co_pwrite_compressed()

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Also convert blk_pwrite_compressed() into a generated_co_wrapper.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220705161527.1054072-12-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:19 +01:00 • committed by Hanna Reitz
parent 0cadf2c8a3
commit 2c9715fa28
3 changed files with 27 additions and 6 deletions
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18
tests/unit/test-block-iothread.c
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@ -198,6 +198,20 @@ static void test_sync_op_blk_pwritev_part(BlockBackend *blk)
g_assert_cmpint(ret, ==, -EIO);
}
static void test_sync_op_blk_pwrite_compressed(BlockBackend *blk)
{
uint8_t buf[512] = { 0 };
int ret;
/* Late error: Not supported */
ret = blk_pwrite_compressed(blk, 0, sizeof(buf), buf);
g_assert_cmpint(ret, ==, -ENOTSUP);
/* Early error: Negative offset */
ret = blk_pwrite_compressed(blk, -2, sizeof(buf), buf);
g_assert_cmpint(ret, ==, -EIO);
}
static void test_sync_op_load_vmstate(BdrvChild *c)
{
uint8_t buf[512];
@ -377,6 +391,10 @@ const SyncOpTest sync_op_tests[] = {
.name = "/sync-op/pwritev_part",
.fn = NULL,
.blkfn = test_sync_op_blk_pwritev_part,
}, {
.name = "/sync-op/pwrite_compressed",
.fn = NULL,
.blkfn = test_sync_op_blk_pwrite_compressed,
}, {
.name = "/sync-op/load_vmstate",
.fn = test_sync_op_load_vmstate,