pstore: Don't allow high traffic options on fragile devices
authorLuck, Tony <tony.luck@intel.com>
Wed, 18 Dec 2013 23:17:10 +0000 (15:17 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 20 Dec 2013 21:12:01 +0000 (13:12 -0800)
commitdf36ac1bc2a166eef90785d584e4cfed6f52bd32
tree024eb6ee8e997889d9cd31ed97503a158ebf898b
parenteaadcfeb31e959028dfa2cc48741e126e3e15b28
pstore: Don't allow high traffic options on fragile devices

Some pstore backing devices use on board flash as persistent
storage. These have limited numbers of write cycles so it
is a poor idea to use them from high frequency operations.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/acpi/apei/erst.c
drivers/firmware/efi/efi-pstore.c
fs/pstore/platform.c
include/linux/pstore.h