Re: [dm-devel] [PATCH 2/2] dm-thin: Allow specifying an offset

2023-02-07 Thread Demi Marie Obenour
On Tue, Feb 07, 2023 at 03:03:57PM +, Joe Thornber wrote: > Nack. I'm not building a linear target into every other target. Layering > targets is simple. It also introduces a performance penalty, which is measurable on some workloads. Even dm-linear is not free. The crypt target also has

Re: [dm-devel] [PATCH 2/2] dm-thin: Allow specifying an offset

2023-02-07 Thread Joe Thornber
Nack. I'm not building a linear target into every other target. Layering targets is simple. On Tue, Feb 7, 2023 at 7:56 AM Demi Marie Obenour < d...@invisiblethingslab.com> wrote: > This allows exposing only part of a thin volume without having to layer > dm-linear. One use-case is a

[dm-devel] [PATCH 2/2] dm-thin: Allow specifying an offset

2023-02-06 Thread Demi Marie Obenour
This allows exposing only part of a thin volume without having to layer dm-linear. One use-case is a hypervisor replacing a partition table. Signed-off-by: Demi Marie Obenour --- drivers/md/dm-thin.c | 32 ++-- 1 file changed, 26 insertions(+), 6 deletions(-) diff