Re: [PATCH v15 4/5] block: introduce backup-top filter driver

2019-10-04 Thread Max Reitz
On 01.10.19 15:14, Vladimir Sementsov-Ogievskiy wrote: > Backup-top filter caches write operations and does copy-before-write > operations. > > The driver will be used in backup instead of write-notifiers. > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > block/backup-top.h | 41

[PATCH v15 4/5] block: introduce backup-top filter driver

2019-10-01 Thread Vladimir Sementsov-Ogievskiy
Backup-top filter caches write operations and does copy-before-write operations. The driver will be used in backup instead of write-notifiers. Signed-off-by: Vladimir Sementsov-Ogievskiy --- block/backup-top.h | 41 +++ block/backup-top.c | 281