The patch titled
Subject: zram: clear disk io accounting when reset zram device
has been removed from the -mm tree. Its filename was
zram-clear-disk-io-accounting-when-reset-zram-device.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Subject: 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@xxxxxxxxxxx>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN drivers/block/zram/zram_drv.c~zram-clear-disk-io-accounting-when-reset-zram-device drivers/block/zram/zram_drv.c
--- a/drivers/block/zram/zram_drv.c~zram-clear-disk-io-accounting-when-reset-zram-device
+++ a/drivers/block/zram/zram_drv.c
@@ -805,7 +805,9 @@ static void zram_reset_device(struct zra
memset(&zram->stats, 0, sizeof(zram->stats));
zram->disksize = 0;
zram->max_comp_streams = 1;
+
set_capacity(zram->disk, 0);
+ part_stat_set_all(&zram->disk->part0, 0);
up_write(&zram->init_lock);
/* I/O operation under all of CPU are done so let's free */
_
Patches currently in -mm which might be from weijie.yang@xxxxxxxxxxx are
origin.patch
mm-page_isolation-check-pfn-validity-before-access.patch
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