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authorAlberto Faria <afaria@redhat.com>2022-07-05 17:15:19 +0100
committerHanna Reitz <hreitz@redhat.com>2022-07-12 12:14:56 +0200
commit2c9715fa28042ce84215dfd6b3bf35af90624e14 (patch)
treeaecfcc885ec79698e405ac2426d5283761ef4598
parent0cadf2c8a37e15d3f3e1191024005e53dabb81f0 (diff)
block: Add blk_co_pwrite_compressed()
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>
-rw-r--r--block/block-backend.c8
-rw-r--r--include/sysemu/block-backend-io.h7
-rw-r--r--tests/unit/test-block-iothread.c18
3 files changed, 27 insertions, 6 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index 60fb7eb3f2..f07a76aa5a 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -2314,13 +2314,13 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
flags | BDRV_REQ_ZERO_WRITE);
}
-int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, int64_t bytes,
- const void *buf)
+int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
+ int64_t bytes, const void *buf)
{
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
IO_OR_GS_CODE();
- return blk_pwritev_part(blk, offset, bytes, &qiov, 0,
- BDRV_REQ_WRITE_COMPRESSED);
+ return blk_co_pwritev_part(blk, offset, bytes, &qiov, 0,
+ BDRV_REQ_WRITE_COMPRESSED);
}
int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h
index 695b793a72..8500a63102 100644
--- a/include/sysemu/block-backend-io.h
+++ b/include/sysemu/block-backend-io.h
@@ -167,8 +167,11 @@ int blk_flush(BlockBackend *blk);
int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
-int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, int64_t bytes,
- const void *buf);
+int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk,
+ int64_t offset, int64_t bytes,
+ const void *buf);
+int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
+ int64_t bytes, const void *buf);
int blk_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes, BdrvRequestFlags flags);
diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index 274e9e3653..3a46886784 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -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];
@@ -378,6 +392,10 @@ const SyncOpTest sync_op_tests[] = {
.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,
}, {