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block: qcow: Rename Qcow2MetadataBacking to Qcow2Backing

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The old name read as 'metadata for a QCOW2 backing file' rather
than what it actually is: a QCOW2 backing file reader. Rename to
Qcow2Backing to parallel RawBacking and clarify intent.

Suggested-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski
2026-04-15 15:37:55 +02:00
committed by Rob Bradford
parent 39844e8839
commit c35749fb39
2 changed files with 8 additions and 8 deletions
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4
block/src/qcow_sync.rs
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@@ -783,7 +783,7 @@ mod unit_tests {
#[test]
fn test_multi_queue_concurrent_reads_qcow2_backing() {
// Same as above but reads go through a Qcow2MetadataBacking,
// Same as above but reads go through a Qcow2Backing,
// exercising concurrent metadata resolution + pread64 in the backing.
let backing_temp = TempFile::new().unwrap();
let cluster_size = 1u64 << 16;
@@ -1123,7 +1123,7 @@ mod unit_tests {
#[test]
fn test_qcow2_backing_cross_cluster_read() {
// Read spanning a cluster boundary through qcow2 backing.
// Exercises the read_clusters loop in Qcow2MetadataBacking.
// Exercises the read_clusters loop in Qcow2Backing.
let cluster_size = 1u64 << 16;
let file_size = cluster_size * 4;
let pattern: Vec<u8> = (0..file_size as usize).map(|i| (i % 251) as u8).collect();