generic_start_io_acct and generic_end_io_acct already update the variable in_flight using atomic operations, so we don't have to overwrite them again. Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx> --- drivers/md/dm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) Index: linux-2.6/drivers/md/dm.c =================================================================== --- linux-2.6.orig/drivers/md/dm.c 2018-10-10 22:24:34.090000000 +0200 +++ linux-2.6/drivers/md/dm.c 2018-10-10 23:06:24.420000000 +0200 @@ -612,8 +612,7 @@ static void start_io_acct(struct dm_io * generic_start_io_acct(md->queue, bio_op(bio), bio_sectors(bio), &dm_disk(md)->part0); - atomic_set(&dm_disk(md)->part0.in_flight[rw], - atomic_inc_return(&md->pending[rw])); + atomic_inc(&md->pending[rw]); if (unlikely(dm_stats_used(&md->stats))) dm_stats_account_io(&md->stats, bio_data_dir(bio), @@ -642,7 +641,6 @@ static void end_io_acct(struct dm_io *io * a flush. */ pending = atomic_dec_return(&md->pending[rw]); - atomic_set(&dm_disk(md)->part0.in_flight[rw], pending); pending += atomic_read(&md->pending[rw^0x1]); /* nudge anyone waiting on suspend queue */ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
