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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Tue, 13 May 2025 15:52:37 +0200
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Subject: [pbs-devel] [PATCH v3 proxmox-backup 10/20] api: tape: check trash
 marker when trying to write snapshot
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Since snapshots might be marked as trash, the snapshot directory
can still be present until cleaned up by garbage collection.

Therefore, check for the presence of the trash marker after acquiring
the locked snapshot reader and skip over marked ones.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 src/api2/tape/backup.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/api2/tape/backup.rs b/src/api2/tape/backup.rs
index 158905990..0adac96af 100644
--- a/src/api2/tape/backup.rs
+++ b/src/api2/tape/backup.rs
@@ -574,7 +574,13 @@ fn backup_snapshot(
     info!("backup snapshot {snapshot_path:?}");
 
     let snapshot_reader = match snapshot.locked_reader() {
-        Ok(reader) => reader,
+        Ok(reader) => {
+            if snapshot.is_trash() {
+                info!("snapshot {snapshot_path:?} marked as trash, skipping");
+                return Ok(SnapshotBackupResult::Ignored);
+            }
+            reader
+        }
         Err(err) => {
             if !snapshot.full_path().exists() {
                 // we got an error and the dir does not exist,
-- 
2.39.5



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