]> git.baikalelectronics.ru Git - kernel.git/commit
pstore/zone: Provide way to skip "broken" zone for MTD devices
authorWeiXiong Liao <liaoweixiong@allwinnertech.com>
Wed, 25 Mar 2020 08:55:03 +0000 (16:55 +0800)
committerKees Cook <keescook@chromium.org>
Mon, 1 Jun 2020 02:48:56 +0000 (19:48 -0700)
commit9c77a914c290f209d333b93b2cba8c1240dc40e2
treeed06b2b7f73bf231b285720ac5cb34b32e3ca64b
parentd39acaa3becb1bd53b1ba5beef1eb63ef23ad9b2
pstore/zone: Provide way to skip "broken" zone for MTD devices

One requirement to support MTD devices in pstore/zone is having a
way to declare certain regions as broken. Add this support to
pstore/zone.

The MTD driver should return -ENOMSG when encountering a bad region,
which tells pstore/zone to skip and try the next one.

Signed-off-by: WeiXiong Liao <liaoweixiong@allwinnertech.com>
Link: https://lore.kernel.org/lkml/20200511233229.27745-8-keescook@chromium.org/
Co-developed-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: //lore.kernel.org/lkml/20200512173801.222666-1-colin.king@canonical.com
Signed-off-by: Kees Cook <keescook@chromium.org>
fs/pstore/blk.c
fs/pstore/zone.c
include/linux/pstore_blk.h
include/linux/pstore_zone.h