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| author | David S. Miller <davem@davemloft.net> | 2016-10-03 03:17:07 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-03 04:20:41 +0200 |
| commit | b50afd203a5ef1998c18d6519ad2b2c546d6af22 (patch) | |
| tree | 608e6845e78a4ffe623c7cdf6581e29e2d9be0a9 /block/blk-throttle.c | |
| parent | net: Use ns_capable_noaudit() when determining net sysctl permissions (diff) | |
| parent | Linux 4.8 (diff) | |
| download | linux-b50afd203a5ef1998c18d6519ad2b2c546d6af22.tar.xz linux-b50afd203a5ef1998c18d6519ad2b2c546d6af22.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three sets of overlapping changes. Nothing serious.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index f1aba26f4719..a3ea8260c94c 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -780,9 +780,11 @@ static bool tg_may_dispatch(struct throtl_grp *tg, struct bio *bio, /* * If previous slice expired, start a new one otherwise renew/extend * existing slice to make sure it is at least throtl_slice interval - * long since now. + * long since now. New slice is started only for empty throttle group. + * If there is queued bio, that means there should be an active + * slice and it should be extended instead. */ - if (throtl_slice_used(tg, rw)) + if (throtl_slice_used(tg, rw) && !(tg->service_queue.nr_queued[rw])) throtl_start_new_slice(tg, rw); else { if (time_before(tg->slice_end[rw], jiffies + throtl_slice)) |