[RHEL7,COMMIT] fs/fuse kio: fix a typo in worth_to_grow()

Submitted by Konstantin Khorenko on April 15, 2019, 12:55 p.m.


Message ID 201904151255.x3FCtBT2010226@finist-ce7.sw.ru
State New
Series "KIO performance fixes"
Headers show

Commit Message

Konstantin Khorenko April 15, 2019, 12:55 p.m.
The commit is pushed to "branch-rh7-3.10.0-957.10.1.vz7.94.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-957.10.1.vz7.94.13
commit ae9c6c60aa52de05b1dfe851abc3d4cdc4e1adff
Author: Pavel Butsykin <pbutsykin@virtuozzo.com>
Date:   Mon Apr 15 15:55:11 2019 +0300

    fs/fuse kio: fix a typo in worth_to_grow()
    It was supposed the function returns true if time has passed less than
    netlat_cutoff since the request was sent.
    Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
    Patchset description:
    KIO performance fixes
    This patch-set aims to fix the performance issue with single-thread sequential
    async reads.
    Acked-by: Alexey Kuznetsov <kuznet@virtuozzo.com>
    Pavel Butsykin (4):
      fs/fuse kio: fix a typo in worth_to_grow()
      fs/fuse kio: relax congestion avoidance limits (backport from usermode)
      fs/fuse kio: add missed sock write in pcs_sock_sendmsg()
      fs/fuse kio: export io_locality
 fs/fuse/kio/pcs/pcs_map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/fs/fuse/kio/pcs/pcs_map.c b/fs/fuse/kio/pcs/pcs_map.c
index 2e30f0461101..df71406bc85e 100644
--- a/fs/fuse/kio/pcs/pcs_map.c
+++ b/fs/fuse/kio/pcs/pcs_map.c
@@ -1392,7 +1392,7 @@  static int worth_to_grow(struct pcs_int_request *ireq, struct pcs_cs * cs)
 	if (ireq->type == PCS_IREQ_FLUSH)
 		return 0;
-	return ktime_to_ms(ktime_sub(ktime_get(), ireq->ts_sent)) + cc_from_csset(cs->css)->netlat_cutoff;
+	return ktime_to_ms(ktime_sub(ktime_get(), ireq->ts_sent)) < cc_from_csset(cs->css)->netlat_cutoff;
 static void pcs_cs_deaccount(struct pcs_int_request *ireq, struct pcs_cs * cs, int error)