Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-26 Thread Fiona Ebner
Am 25.01.24 um 18:22 schrieb Vladimir Sementsov-Ogievskiy: > > Hmm. Taking maximum is not optimal for usual case without > discard-source: user may want to work in smaller granularity than > source, to save disk space. > > In case with discarding we have two possibilities: > > - either take larg

Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-25 Thread Vladimir Sementsov-Ogievskiy
On 19.01.24 17:46, Fiona Ebner wrote: Am 17.01.24 um 17:07 schrieb Vladimir Sementsov-Ogievskiy: Add a parameter that enables discard-after-copy. That is mostly useful in "push backup with fleecing" scheme, when source is snapshot-access format driver node, based on copy-before-write filter snap

Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-25 Thread Vladimir Sementsov-Ogievskiy
On 25.01.24 15:47, Fiona Ebner wrote: Am 24.01.24 um 16:03 schrieb Fiona Ebner: Am 17.01.24 um 17:07 schrieb Vladimir Sementsov-Ogievskiy: Add a parameter that enables discard-after-copy. That is mostly useful in "push backup with fleecing" scheme, when source is snapshot-access format driver n

Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-25 Thread Fiona Ebner
Am 24.01.24 um 16:03 schrieb Fiona Ebner: > Am 17.01.24 um 17:07 schrieb Vladimir Sementsov-Ogievskiy: >> Add a parameter that enables discard-after-copy. That is mostly useful >> in "push backup with fleecing" scheme, when source is snapshot-access >> format driver node, based on copy-before-write

Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-24 Thread Fiona Ebner
Am 17.01.24 um 17:07 schrieb Vladimir Sementsov-Ogievskiy: > Add a parameter that enables discard-after-copy. That is mostly useful > in "push backup with fleecing" scheme, when source is snapshot-access > format driver node, based on copy-before-write filter snapshot-access > API: > > [guest]

Re: [PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-19 Thread Fiona Ebner
Am 17.01.24 um 17:07 schrieb Vladimir Sementsov-Ogievskiy: > Add a parameter that enables discard-after-copy. That is mostly useful > in "push backup with fleecing" scheme, when source is snapshot-access > format driver node, based on copy-before-write filter snapshot-access > API: > > [guest]

[PATCH v2 3/4] qapi: blockdev-backup: add discard-source parameter

2024-01-17 Thread Vladimir Sementsov-Ogievskiy
Add a parameter that enables discard-after-copy. That is mostly useful in "push backup with fleecing" scheme, when source is snapshot-access format driver node, based on copy-before-write filter snapshot-access API: [guest] [snapshot-access] ~~ blockdev-backup ~~> [backup target] |