On Tue, 21 Apr 2015 18:33:53 +0900 Hitoshi Mitake <mitake.hitoshi@xxxxxxxxxxxxx> wrote: > Current sheepdog driver has a big write lock section. It harms write > performance significantly. This patch removes a needless big write > lock section with checking submitted requests can cause COW or > not. The write performance can be improved significantly. > > In a case of 4k rand write by fio: > - before: 1144 IOPS > - after: 19074 IOPS > > Signed-off-by: Hitoshi Mitake <mitake.hitoshi@xxxxxxxxxxxxx> > --- > usr/bs_sheepdog.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
