[dm-devel] [PATCH] dm-verity: Add error handling modes for corrupted blocks

[Vivek Goyal]

On Mon, Mar 16, 2015 at 03:55:59PM +0000, Sami Tolvanen wrote:
> Add device specific modes to dm-verity to specify how corrupted
> blocks should be handled. The following modes are defined:
> 
>   - DM_VERITY_MODE_EIO is the default behavior, where reading a
>     corrupted block results in -EIO.
> 
>   - DM_VERITY_MODE_LOGGING only logs corrupted blocks, but does
>     not block the read.
> 
>   - DM_VERITY_MODE_RESTART calls kernel_restart when a corrupted
>     block is discovered.

What's the idea behind kernel restart mode ? If a corrupted block is in
the path of boot, will we not get into a continuous reboot cycle.

Thanks
Vivek