On 2012-12-09 17:02, xtu4 wrote: > On 12/10/2012 12:01 AM, xtu4 wrote: >> Subject: [PATCH] Allow 0ms deadline latency, increase the read speed >> >> Signed-off-by: xiaobing tu <xiaobing...@intel.com> >> --- >> block/deadline-iosched.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c >> index c644137..e502d6b 100644 >> --- a/block/deadline-iosched.c >> +++ b/block/deadline-iosched.c >> @@ -230,7 +230,7 @@ static inline int deadline_check_fifo(struct >> deadline_data *dd, int ddir) >> /* >> * rq is expired! >> */ >> - if (time_after(jiffies, rq_fifo_time(rq))) >> + if (time_after_eq(jiffies, rq_fifo_time(rq))) >> return 1; >> >> return 0;
Looks fine, it allows FIFO behaviour for deadline as well. I have applied it. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
