Re: [PATCH v3 0/2] block: fine-granular CAP_SYS_ADMIN for Persistent Reservation ioctl

From: Jingbo Xu
Date: Mon Jun 19 2023 - 03:16:18 EST


Hi, Jens,

Would do you think of this series?


On 6/13/23 4:40 PM, Jingbo Xu wrote:
> changes since v2:
> - patch 1: disallow reservations on partitions entirely and make it into
> a separate patch (hch)
> - patch 2: rebase to hch's series of converting fmode_t to blk_mode_t
> and execute permission check upon blk_mode_t (hch)
>
> changes since RFC:
> - only allow unprivileged reservations if the file descriptor is open
> for write (Christoph Hellwig)
> - refuse the unprivileged reservations on partitions (Christoph Hellwig)
> (maybe this checking shall also be done when CAP_SYS_ADMIN is set?)
>
>
> RFC: https://lore.kernel.org/all/20230609102122.118800-1-jefflexu@xxxxxxxxxxxxxxxxx/
> v2: https://lore.kernel.org/all/20230612074103.4866-1-jefflexu@xxxxxxxxxxxxxxxxx/
>
> Jingbo Xu (2):
> block: disallow Persistent Reservation on partitions
> block: fine-granular CAP_SYS_ADMIN for Persistent Reservation
>
> block/ioctl.c | 47 +++++++++++++++++++++++++++++++----------------
> 1 file changed, 31 insertions(+), 16 deletions(-)
>

--
Thanks,
Jingbo