Re: [Qemu-devel] [PATCH v5 2/6] add basic backup support to block driver

2013-02-27 Thread Markus Armbruster
First pass, fairly superficial, hope it helps anyway. Dietmar Maurer writes: > Function backup_job_create() creates a block job to backup a block device. > The coroutine is started with backup_job_start(). > > We call backup_do_cow() for each write during backup. That function > reads the origin

[Qemu-devel] [PATCH v5 2/6] add basic backup support to block driver

2013-02-21 Thread Dietmar Maurer
Function backup_job_create() creates a block job to backup a block device. The coroutine is started with backup_job_start(). We call backup_do_cow() for each write during backup. That function reads the original data and pass it to backup_dump_cb(). The tracked_request infrastructure is used to s