Re: [Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Pavel Tikhomirov
On 2/18/25 22:06, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respective qcow2 header so the decompression is per

Re: [Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Pavel Tikhomirov
On 2/19/25 10:27, Pavel Tikhomirov wrote: On 2/18/25 22:06, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respe

Re: [Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Pavel Tikhomirov
On 2/19/25 12:36, Alexander Atanasov wrote: On 19.02.25 4:27, Pavel Tikhomirov wrote: On 2/18/25 22:06, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed com

Re: [Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Alexander Atanasov
On 19.02.25 4:27, Pavel Tikhomirov wrote: On 2/18/25 22:06, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respect

Re: [Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Pavel Tikhomirov
Sidenote: this patch does not apply cleanly without "[PATCH vz9] dm-qcow2: fix qcow2 decompression" due to changes in process_compressed_read. So, please, send those two together as a patch series. On 2/18/25 22:06, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle

Re: [Devel] [PATCH vz9] dm-qcow2: support mixed compression images

2025-02-18 Thread Alexander Atanasov
On 18.02.25 13:17, Pavel Tikhomirov wrote: On 2/17/25 14:50, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respec

Re: [Devel] [PATCH vz9] dm-qcow2: support mixed compression images

2025-02-18 Thread Pavel Tikhomirov
On 2/17/25 14:50, Alexander Atanasov wrote: Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respective qcow2 header so the decompression is per

[Devel] [PATCH vz9 v2] dm-qcow2: support mixed compression images

2025-02-18 Thread Alexander Atanasov
Currently code uses only top qcow2 delta to handle decompression. Images have compression type in the qcow2 header already set when loaded. To support mixed compression switch to use qio->qcow2 and respective qcow2 header so the decompression is performed with the correct type. Remove qcow2 argume