Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-27 Thread Vladimir Sementsov-Ogievskiy
26.08.2020 16:51, David Edmondson wrote: + file-systems with slow allocation. + + Supported options: + + .. program:: preallocate + .. option:: prealloc-align + +On preallocation, align file length to this number, default 1M. *the file length As for “number”... Well, it is a number.

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread David Edmondson
On Tuesday, 2020-08-25 at 17:11:34 +02, Max Reitz wrote: > On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: >> It's intended to be inserted between format and protocol nodes to >> preallocate additional space (expanding protocol file) on writes >> crossing EOF. It improves performance for

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Vladimir Sementsov-Ogievskiy
26.08.2020 12:58, Max Reitz wrote: On 26.08.20 11:15, Vladimir Sementsov-Ogievskiy wrote: 26.08.2020 11:52, Max Reitz wrote: On 26.08.20 08:49, Vladimir Sementsov-Ogievskiy wrote: 25.08.2020 18:11, Max Reitz wrote: On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: It's intended to be

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Max Reitz
On 26.08.20 11:15, Vladimir Sementsov-Ogievskiy wrote: > 26.08.2020 11:52, Max Reitz wrote: >> On 26.08.20 08:49, Vladimir Sementsov-Ogievskiy wrote: >>> 25.08.2020 18:11, Max Reitz wrote: On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: > It's intended to be inserted between format

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Vladimir Sementsov-Ogievskiy
26.08.2020 11:52, Max Reitz wrote: On 26.08.20 08:49, Vladimir Sementsov-Ogievskiy wrote: 25.08.2020 18:11, Max Reitz wrote: On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: It's intended to be inserted between format and protocol nodes to preallocate additional space (expanding

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Max Reitz
On 26.08.20 08:49, Vladimir Sementsov-Ogievskiy wrote: > 25.08.2020 18:11, Max Reitz wrote: >> On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: >>> It's intended to be inserted between format and protocol nodes to >>> preallocate additional space (expanding protocol file) on writes >>>

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Vladimir Sementsov-Ogievskiy
24.08.2020 20:52, Vladimir Sementsov-Ogievskiy wrote: 21.08.2020 17:11, Vladimir Sementsov-Ogievskiy wrote: It's intended to be inserted between format and protocol nodes to preallocate additional space (expanding protocol file) on writes crossing EOF. It improves performance for file-systems

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-26 Thread Vladimir Sementsov-Ogievskiy
25.08.2020 18:11, Max Reitz wrote: On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: It's intended to be inserted between format and protocol nodes to preallocate additional space (expanding protocol file) on writes crossing EOF. It improves performance for file-systems with slow

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-25 Thread Max Reitz
On 21.08.20 16:11, Vladimir Sementsov-Ogievskiy wrote: > It's intended to be inserted between format and protocol nodes to > preallocate additional space (expanding protocol file) on writes > crossing EOF. It improves performance for file-systems with slow > allocation. > > Signed-off-by:

Re: [PATCH v5 07/10] block: introduce preallocate filter

2020-08-24 Thread Vladimir Sementsov-Ogievskiy
21.08.2020 17:11, Vladimir Sementsov-Ogievskiy wrote: It's intended to be inserted between format and protocol nodes to preallocate additional space (expanding protocol file) on writes crossing EOF. It improves performance for file-systems with slow allocation. Signed-off-by: Vladimir

[PATCH v5 07/10] block: introduce preallocate filter

2020-08-21 Thread Vladimir Sementsov-Ogievskiy
It's intended to be inserted between format and protocol nodes to preallocate additional space (expanding protocol file) on writes crossing EOF. It improves performance for file-systems with slow allocation. Signed-off-by: Vladimir Sementsov-Ogievskiy --- docs/system/qemu-block-drivers.rst.inc