Re: [PATCH v4 02/10] block: reverse order for reopen commits

2019-09-26 Thread John Snow
On 9/24/19 6:12 AM, Max Reitz wrote: > On 07.08.19 16:12, Vladimir Sementsov-Ogievskiy wrote: >> It's needed to fix reopening qcow2 with bitmaps to RW. Currently it >> can't work, as qcow2 needs write access to file child, to mark bitmaps >> in-image with IN_USE flag. But usually children goes a

Re: [PATCH v4 02/10] block: reverse order for reopen commits

2019-09-24 Thread Max Reitz
On 07.08.19 16:12, Vladimir Sementsov-Ogievskiy wrote: > It's needed to fix reopening qcow2 with bitmaps to RW. Currently it > can't work, as qcow2 needs write access to file child, to mark bitmaps > in-image with IN_USE flag. But usually children goes after parents in > reopen queue and file child

[Qemu-devel] [PATCH v4 02/10] block: reverse order for reopen commits

2019-08-07 Thread Vladimir Sementsov-Ogievskiy
It's needed to fix reopening qcow2 with bitmaps to RW. Currently it can't work, as qcow2 needs write access to file child, to mark bitmaps in-image with IN_USE flag. But usually children goes after parents in reopen queue and file child is still RO on qcow2 reopen commit. Reverse reopen order to fi