Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Max Reitz
On 24.10.19 16:07, Andrey Shinkevich wrote: > > > On 24/10/2019 16:48, Max Reitz wrote: >> On 24.10.19 14:56, Andrey Shinkevich wrote: >>> >>> >>> On 24/10/2019 12:34, Max Reitz wrote: On 22.10.19 15:53, Andrey Shinkevich wrote: [...] > If the support of COW for compressed

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Andrey Shinkevich
On 24/10/2019 16:48, Max Reitz wrote: > On 24.10.19 14:56, Andrey Shinkevich wrote: >> >> >> On 24/10/2019 12:34, Max Reitz wrote: >>> On 22.10.19 15:53, Andrey Shinkevich wrote: >>> >>> [...] >>> If the support of COW for compressed writes is found feasible, will it make a sense to imp

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Andrey Shinkevich
On 24/10/2019 16:48, Max Reitz wrote: > On 24.10.19 14:56, Andrey Shinkevich wrote: >> >> >> On 24/10/2019 12:34, Max Reitz wrote: >>> On 22.10.19 15:53, Andrey Shinkevich wrote: >>> >>> [...] >>> If the support of COW for compressed writes is found feasible, will it make a sense to imp

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Max Reitz
On 24.10.19 14:56, Andrey Shinkevich wrote: > > > On 24/10/2019 12:34, Max Reitz wrote: >> On 22.10.19 15:53, Andrey Shinkevich wrote: >> >> [...] >> >>> If the support of COW for compressed writes is found feasible, will it >>> make a sense to implement? Then this series will follow. >> >> Hm, w

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Andrey Shinkevich
On 24/10/2019 12:34, Max Reitz wrote: > On 22.10.19 15:53, Andrey Shinkevich wrote: > > [...] > >> If the support of COW for compressed writes is found feasible, will it >> make a sense to implement? Then this series will follow. > > Hm, what exactly do you mean by support of COW for compresse

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-24 Thread Max Reitz
On 22.10.19 15:53, Andrey Shinkevich wrote: [...] > If the support of COW for compressed writes is found feasible, will it > make a sense to implement? Then this series will follow. Hm, what exactly do you mean by support of COW for compressed writes? > A comment for the option would warn a us

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Andrey Shinkevich
On 22/10/2019 15:56, Max Reitz wrote: > On 22.10.19 14:23, Vladimir Sementsov-Ogievskiy wrote: >> 22.10.2019 14:31, Max Reitz wrote: >>> On 22.10.19 12:46, Vladimir Sementsov-Ogievskiy wrote: 22.10.2019 13:21, Andrey Shinkevich wrote: > > On 22/10/2019 12:28, Max Reitz wrote: >>

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Vladimir Sementsov-Ogievskiy
22.10.2019 15:56, Max Reitz wrote: > On 22.10.19 14:23, Vladimir Sementsov-Ogievskiy wrote: >> 22.10.2019 14:31, Max Reitz wrote: >>> On 22.10.19 12:46, Vladimir Sementsov-Ogievskiy wrote: 22.10.2019 13:21, Andrey Shinkevich wrote: > > On 22/10/2019 12:28, Max Reitz wrote: >> On 20

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Max Reitz
On 22.10.19 14:23, Vladimir Sementsov-Ogievskiy wrote: > 22.10.2019 14:31, Max Reitz wrote: >> On 22.10.19 12:46, Vladimir Sementsov-Ogievskiy wrote: >>> 22.10.2019 13:21, Andrey Shinkevich wrote: On 22/10/2019 12:28, Max Reitz wrote: > On 20.10.19 22:37, Andrey Shinkevich wrote:

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Vladimir Sementsov-Ogievskiy
22.10.2019 14:31, Max Reitz wrote: > On 22.10.19 12:46, Vladimir Sementsov-Ogievskiy wrote: >> 22.10.2019 13:21, Andrey Shinkevich wrote: >>> >>> On 22/10/2019 12:28, Max Reitz wrote: On 20.10.19 22:37, Andrey Shinkevich wrote: > To inform the block layer about writing all the data compres

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Max Reitz
On 22.10.19 12:46, Vladimir Sementsov-Ogievskiy wrote: > 22.10.2019 13:21, Andrey Shinkevich wrote: >> >> On 22/10/2019 12:28, Max Reitz wrote: >>> On 20.10.19 22:37, Andrey Shinkevich wrote: To inform the block layer about writing all the data compressed, we introduce the 'compress' comm

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Vladimir Sementsov-Ogievskiy
22.10.2019 13:21, Andrey Shinkevich wrote: > > On 22/10/2019 12:28, Max Reitz wrote: >> On 20.10.19 22:37, Andrey Shinkevich wrote: >>> To inform the block layer about writing all the data compressed, we >>> introduce the 'compress' command line option. Based on that option, the >>> written data w

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Andrey Shinkevich
On 22/10/2019 12:28, Max Reitz wrote: > On 20.10.19 22:37, Andrey Shinkevich wrote: >> To inform the block layer about writing all the data compressed, we >> introduce the 'compress' command line option. Based on that option, the >> written data will be aligned by the cluster size at the generic l

Re: [PATCH v5 1/4] block: support compressed write at generic layer

2019-10-22 Thread Max Reitz
On 20.10.19 22:37, Andrey Shinkevich wrote: > To inform the block layer about writing all the data compressed, we > introduce the 'compress' command line option. Based on that option, the > written data will be aligned by the cluster size at the generic layer. > > Suggested-by: Roman Kagan > Sugg

[PATCH v5 1/4] block: support compressed write at generic layer

2019-10-20 Thread Andrey Shinkevich
To inform the block layer about writing all the data compressed, we introduce the 'compress' command line option. Based on that option, the written data will be aligned by the cluster size at the generic layer. Suggested-by: Roman Kagan Suggested-by: Vladimir Sementsov-Ogievskiy Signed-off-by: A