Max Kellermann 7bb251dad8 db/update/Walk: use marker to remove deleted items ...

This eliminates all `Storage::GetInfo()` calls from
`UpdateWalk::PurgeDeletedFromDirectory()` and instead uses a "marker"
field to mark items that have been visited; later, all unmarked items
can be deleted.

This eliminates a lot of redundant I/O which is noticable with the
`curl` storage plugin (i.e. WebDAV).

2023-05-22 20:13:01 +02:00

91 KiB

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