Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [ 10/16] drbd: add missing part_round_stats to _drbd_start_io_acct | Date | Fri, 18 Jan 2013 17:21:48 -0800 |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Philipp Reisner <philipp.reisner@linbit.com>
commit 72585d2428fa3a0daab02ebad1f41e5ef517dbaa upstream.
Without this, iostat frequently sees bogus svctime and >= 100% "utilization".
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Cc: Raoul Bhatia <raoul@bhatia.at> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/block/drbd/drbd_req.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -37,6 +37,7 @@ static void _drbd_start_io_acct(struct d const int rw = bio_data_dir(bio); int cpu; cpu = part_stat_lock(); + part_round_stats(cpu, &mdev->vdisk->part0); part_stat_inc(cpu, &mdev->vdisk->part0, ios[rw]); part_stat_add(cpu, &mdev->vdisk->part0, sectors[rw], bio_sectors(bio)); part_inc_in_flight(&mdev->vdisk->part0, rw);
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