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author	Sebastian Ott <sebott@linux.vnet.ibm.com>
	Wed, 28 Jan 2015 17:44:17 +0000 (18:44 +0100)
committer	Martin Schwidefsky <schwidefsky@de.ibm.com>
	Thu, 29 Jan 2015 08:19:27 +0000 (09:19 +0100)
commit	8ea55c95c372a7a51fa50cb7c75240bfbe8bd337
tree	a7a496ce7f0f0ae9a417d50acb44fb9fe1229ff9	tree \| snapshot (tar.gz zip)
parent	e6d60b368b45b9be3aa068f8e5fa98c3487c9d4e	commit \| diff

s390/dasd: add locking for global_profile access

Access to DASDs global statistics is done without locking which
can lead to inconsistent data. Add locking to fix this. Also move
the relevant structs in a global dasd_profile struct.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/block/dasd.c		diff \| blob \| blame \| history
drivers/s390/block/dasd_int.h		diff \| blob \| blame \| history
drivers/s390/block/dasd_proc.c		diff \| blob \| blame \| history

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