Re: [PATCH 11/19] btrfs: introduce submit buffer

2019-06-16 Thread Damien Le Moal
Josef, On 2019/06/13 23:15, Josef Bacik wrote: > On Fri, Jun 07, 2019 at 10:10:17PM +0900, Naohiro Aota wrote: >> Sequential allocation is not enough to maintain sequential delivery of >> write IOs to the device. Various features (async compress, async checksum, >> ...) of btrfs affect ordering of

Re: [PATCH 11/19] btrfs: introduce submit buffer

2019-06-13 Thread Josef Bacik
On Fri, Jun 07, 2019 at 10:10:17PM +0900, Naohiro Aota wrote: > Sequential allocation is not enough to maintain sequential delivery of > write IOs to the device. Various features (async compress, async checksum, > ...) of btrfs affect ordering of the IOs. This patch introduces submit > buffer to so