On Thu, 16 Jan 2014 16:12:14 +0300 Sergey Senozhatsky <[email protected]> wrote:
> zram accounted but did not report numbers of failed read > and write queries. make these stats available as failed_reads > and failed_writes attrs. > > Acked-by: Minchan Kim <[email protected]> > Acked-by: Jerome Marchand <[email protected]> > Signed-off-by: Sergey Senozhatsky <[email protected]> > --- > drivers/block/zram/zram_drv.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c > index e7102f1..9d67fbf 100644 > --- a/drivers/block/zram/zram_drv.c > +++ b/drivers/block/zram/zram_drv.c > @@ -728,6 +728,8 @@ static DEVICE_ATTR(mem_used_total, S_IRUGO, > mem_used_total_show, NULL); > > ZRAM_ATTR_RO(num_reads); > ZRAM_ATTR_RO(num_writes); > +ZRAM_ATTR_RO(failed_reads); > +ZRAM_ATTR_RO(failed_writes); > ZRAM_ATTR_RO(invalid_io); > ZRAM_ATTR_RO(notify_free); > ZRAM_ATTR_RO(zero_pages); > @@ -739,6 +741,8 @@ static struct attribute *zram_disk_attrs[] = { > &dev_attr_reset.attr, > &dev_attr_num_reads.attr, > &dev_attr_num_writes.attr, > + &dev_attr_failed_reads.attr, > + &dev_attr_failed_writes.attr, > &dev_attr_invalid_io.attr, > &dev_attr_notify_free.attr, > &dev_attr_zero_pages.attr, Documentation/blockdev/zram.txt and Documentation/ABI/testing/sysfs-block-zram need updating... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

