Re: [dm-devel] Ideas to reuse filesystem's checksum to enhance dm-raid1/10/5/6?

2017-11-17 Thread Andreas Dilger
On Nov 15, 2017, at 7:18 PM, Qu Wenruo wrote: > > [Background] > Recently I'm considering the possibility to use checksum from filesystem > to enhance device-mapper raid. > > The idea behind it is quite simple, since most modern filesystems have > checksum for their metadata, and even some (btrf

Re: [dm-devel] [RFC PATCH] mm: introduce kv[mz]alloc helpers

2016-12-13 Thread Andreas Dilger
ction of kvmalloc(). Since this is changing the ext4 code, you can add my: Reviewed-by: Andreas Dilger Cheers, Andreas > On Thu 08-12-16 11:33:00, Michal Hocko wrote: >> From: Michal Hocko >> >> Using kmalloc with the vmalloc fallback for larger allocations is a >> common pa