pstore/zone: Introduce common layer to manage storage zones (d26c3321) · Commits · 戴 / test

Implement a common set of APIs needed to support pstore storage zones, based on how ramoops is designed. This will be used by pstore/blk with the intention of migrating pstore/ram in the future. Signed-off-by:

WeiXiong Liao <liaoweixiong@allwinnertech.com> Link: https://lore.kernel.org/lkml/20200511233229.27745-2-keescook@chromium.org/ Co-developed-by:

Kees Cook <keescook@chromium.org> Signed-off-by:

Kees Cook <keescook@chromium.org>

fs/pstore/Kconfig

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Original line number	Diff line number	Diff line
		@@ -153,3 +153,10 @@ config PSTORE_RAM
		"ramoops.ko".

		For more information, see Documentation/admin-guide/ramoops.rst.

		config PSTORE_ZONE
		tristate
		depends on PSTORE
		help
		The common layer for pstore/blk (and pstore/ram in the future)
		to manage storage in zones.

fs/pstore/Makefile

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Original line number	Diff line number	Diff line
		@@ -12,3 +12,6 @@ pstore-$(CONFIG_PSTORE_PMSG) += pmsg.o

		ramoops-objs += ram.o ram_core.o
		obj-$(CONFIG_PSTORE_RAM) += ramoops.o

		pstore_zone-objs += zone.o
		obj-$(CONFIG_PSTORE_ZONE) += pstore_zone.o

fs/pstore/zone.c

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include/linux/pstore_zone.h

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