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cgroup: add a new macro for determining log level for cgroup attr write failures

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For now, let's use it only at one place, but a follow-up commit will
make more use of it.
This commit is contained in:
Lennart Poettering 2018-11-20 20:18:07 +01:00
parent 2c74e12bb3
commit 39b9fefb2e
1 changed files with 6 additions and 1 deletions
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7
src/core/cgroup.c
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@ -26,6 +26,11 @@
#define CGROUP_CPU_QUOTA_PERIOD_USEC ((usec_t) 100 * USEC_PER_MSEC)
/* Returns the log level to use when cgroup attribute writes fail. When an attribute is missing or we have access
* problems we downgrade to LOG_DEBUG. This is supposed to be nice to container managers and kernels which want to mask
* out specific attributes from us. */
#define LOG_LEVEL_CGROUP_WRITE(r) (IN_SET(abs(r), ENOENT, EROFS, EACCES, EPERM) ? LOG_DEBUG : LOG_WARNING)
bool manager_owns_root_cgroup(Manager *m) {
assert(m);
@ -1156,7 +1161,7 @@ static void cgroup_context_apply(
r = 0;
if (r < 0)
log_unit_full(u, IN_SET(r, -ENOENT, -EROFS, -EACCES) ? LOG_DEBUG : LOG_WARNING, r,
log_unit_full(u, LOG_LEVEL_CGROUP_WRITE(r), r,
"Failed to write to tasks limit sysctls: %m");
} else {