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-rw-r--r--block/block-backend.c7
-rw-r--r--include/sysemu/block-backend-io.h8
-rw-r--r--tests/unit/test-block-iothread.c14
3 files changed, 24 insertions, 5 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index a31b9f1205..d0450ffd22 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -2293,8 +2293,9 @@ int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
BDRV_REQ_WRITE_COMPRESSED);
}
-int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
- PreallocMode prealloc, BdrvRequestFlags flags, Error **errp)
+int coroutine_fn blk_co_truncate(BlockBackend *blk, int64_t offset, bool exact,
+ PreallocMode prealloc, BdrvRequestFlags flags,
+ Error **errp)
{
IO_OR_GS_CODE();
if (!blk_is_available(blk)) {
@@ -2302,7 +2303,7 @@ int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
return -ENOMEDIUM;
}
- return bdrv_truncate(blk->root, offset, exact, prealloc, flags, errp);
+ return bdrv_co_truncate(blk->root, offset, exact, prealloc, flags, errp);
}
int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,
diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h
index 21f3a1b4f2..a79b7d9d9c 100644
--- a/include/sysemu/block-backend-io.h
+++ b/include/sysemu/block-backend-io.h
@@ -182,7 +182,11 @@ int generated_co_wrapper blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,
BdrvRequestFlags flags);
int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes, BdrvRequestFlags flags);
-int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
- PreallocMode prealloc, BdrvRequestFlags flags, Error **errp);
+int generated_co_wrapper blk_truncate(BlockBackend *blk, int64_t offset,
+ bool exact, PreallocMode prealloc,
+ BdrvRequestFlags flags, Error **errp);
+int coroutine_fn blk_co_truncate(BlockBackend *blk, int64_t offset, bool exact,
+ PreallocMode prealloc, BdrvRequestFlags flags,
+ Error **errp);
#endif /* BLOCK_BACKEND_IO_H */
diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index bb9230a4b4..8b55eccc89 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -298,6 +298,19 @@ static void test_sync_op_truncate(BdrvChild *c)
c->bs->open_flags |= BDRV_O_RDWR;
}
+static void test_sync_op_blk_truncate(BlockBackend *blk)
+{
+ int ret;
+
+ /* Normal success path */
+ ret = blk_truncate(blk, 65536, false, PREALLOC_MODE_OFF, 0, NULL);
+ g_assert_cmpint(ret, ==, 0);
+
+ /* Early error: Negative offset */
+ ret = blk_truncate(blk, -2, false, PREALLOC_MODE_OFF, 0, NULL);
+ g_assert_cmpint(ret, ==, -EINVAL);
+}
+
static void test_sync_op_block_status(BdrvChild *c)
{
int ret;
@@ -425,6 +438,7 @@ const SyncOpTest sync_op_tests[] = {
}, {
.name = "/sync-op/truncate",
.fn = test_sync_op_truncate,
+ .blkfn = test_sync_op_blk_truncate,
}, {
.name = "/sync-op/block_status",
.fn = test_sync_op_block_status,