From: Kirill Tkhai <ktk...@virtuozzo.com> Extracted from "Initial patch".
Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com> ===================================================================== Removed UBC-related code. VZ 8 rebase part https://jira.sw.ru/browse/PSBM-127782 vz7 commit: aad7bef ("fs: Lower ioprio in case of ioprio_set() called from CT") Signed-off-by: Alexander Mikhalitsyn <alexander.mikhalit...@virtuozzo.com> (cherry picked from vz8 commit 9cf6b4dffd4f12698f8ada7587aed977c70b439e) Signed-off-by: Andrey Zhadchenko <andrey.zhadche...@virtuozzo.com> --- block/ioprio.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/block/ioprio.c b/block/ioprio.c index 06b1b03..6820e2f 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -98,11 +98,27 @@ int ioprio_check_cap(int ioprio) struct pid *pgrp; kuid_t uid; int ret; + int class = IOPRIO_PRIO_CLASS(ioprio); + int data = IOPRIO_PRIO_DATA(ioprio); ret = ioprio_check_cap(ioprio); if (ret) return ret; + if (!ve_is_super(get_exec_env())) { + switch (class) { + case IOPRIO_CLASS_RT: + class = IOPRIO_CLASS_BE; + data = 0; + break; + case IOPRIO_CLASS_IDLE: + class = IOPRIO_CLASS_BE; + data = IOPRIO_BE_NR - 1; + break; + } + ioprio = IOPRIO_PRIO_VALUE(class, data); + } + ret = -ESRCH; rcu_read_lock(); switch (which) { -- 1.8.3.1 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
