Re: [Qemu-block] [PATCH v4 11/11] block/backup: use backup-top instead of write notifiers

2018-11-06 Thread Kevin Wolf
Am 15.10.2018 um 18:06 hat Vladimir Sementsov-Ogievskiy geschrieben: > Drop write notifiers and use filter node instead. Changes: > > 1. copy-before-writes now handled by filter node, so, drop all >is_write_notifier arguments. > > 2. we don't have intersecting requests, so their handling is d

[Qemu-block] [PATCH v4 11/11] block/backup: use backup-top instead of write notifiers

2018-10-15 Thread Vladimir Sementsov-Ogievskiy
Drop write notifiers and use filter node instead. Changes: 1. copy-before-writes now handled by filter node, so, drop all is_write_notifier arguments. 2. we don't have intersecting requests, so their handling is dropped. Instead, synchronization works as follows: when backup or backup-top star