Re: [PATCH] erofs: remove erofs_dev_context->rwsem

[Gao Xiang]

Hi Bingwu,

On Sun, Aug 16, 2026 at 10:00:12AM +0800, Bingwu Zhang wrote:
> From: Bingwu Zhang <xtex@xxxxxxxxxxxxx>
> 
> devs->tree is only modified in initialization and
> destruction code paths and will never be concurrent
> with data reading. Thus there is no need to guard
> idr_alloc/idr_find with a rwsem.

Thanks for the patch.

In principle, yes, but it's also no problem to leave it as-is in case
some use cases later need adjust the device_info of a dev for example
at runtime.

Or if it causes any noticeable performance penalty, that will be one
reason to drop it now.

Thanks,
Gao Xiang

> 
> Signed-off-by: Bingwu Zhang <xtex@xxxxxxxxxxxxx>