zram: clear disk io accounting when reset zram device
authorWeijie Yang <weijie.yang@samsung.com>
Wed, 10 Jun 2015 18:14:49 +0000 (11:14 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 10 Jun 2015 23:43:43 +0000 (16:43 -0700)
commitd7ad41a1c498729b7584c257710b1b437a0c1470
tree9ec97b27b4c5022d7d166bc1cc21240e799f3fe9
parent7d638093d4b0e9ef15bd78f38f11f126e773cc14
zram: clear disk io accounting when reset zram device

Clear zram disk io accounting when resetting the zram device.  Otherwise
the residual io accounting stat will affect the diskstat in the next
zram active cycle.

Signed-off-by: Weijie Yang <weijie.yang@samsung.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/block/zram/zram_drv.c