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block: qcow: Switch factory to QcowDisk

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Update open_qcow2 to construct QcowDisk instead of choosing
between QcowDiskAsync and QcowDiskSync. The backend decision
is now made inside QcowDisk::create_async_io.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski
2026-04-24 10:24:05 +02:00
committed by Rob Bradford
parent 65c98ca157
commit 1e4516fa5d
1 changed files with 17 additions and 7 deletions
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24
block/src/factory.rs
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@@ -21,9 +21,7 @@ use crate::block_io_uring_is_supported;
use crate::disk_file::AsyncFullDiskFile;
use crate::error::{BlockError, BlockErrorKind, BlockResult};
use crate::fixed_vhd_disk::FixedVhdDisk;
#[cfg(feature = "io_uring")]
use crate::qcow_async::QcowDiskAsync;
use crate::qcow_sync::QcowDiskSync;
use crate::qcow_disk::QcowDisk;
use crate::raw_disk::{RawBackend, RawDisk};
use crate::vhdx_sync::VhdxDiskSync;
use crate::{
@@ -179,8 +177,14 @@ fn open_qcow2(
if io_uring_supported() {
info!("Opening QCOW2 disk file with io_uring backend");
return Ok(Box::new(
QcowDiskAsync::new(file, options.direct, options.backing_files, options.sparse)
.map_err(|e| e.with_path(options.path))?,
QcowDisk::new(
file,
options.direct,
options.backing_files,
options.sparse,
true,
)
.map_err(|e| e.with_path(options.path))?,
));
}
info!("io_uring runtime probe failed for QCOW2, using synchronous backend");
@@ -188,8 +192,14 @@ fn open_qcow2(
info!("Opening QCOW2 disk file with synchronous backend");
Ok(Box::new(
QcowDiskSync::new(file, options.direct, options.backing_files, options.sparse)
.map_err(|e| e.with_path(options.path))?,
QcowDisk::new(
file,
options.direct,
options.backing_files,
options.sparse,
false,
)
.map_err(|e| e.with_path(options.path))?,
))
}