chiark
/
gitweb
/
~ianmdlvl
/
elogind.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
|
inline
| side by side (parent:
abd440c
)
cgroup: downgrade log messages when we cannot write to cgroup trees that are mounted...
author
Lennart Poettering
<lennart@poettering.net>
Tue, 30 Dec 2014 00:56:42 +0000
(
01:56
+0100)
committer
Lennart Poettering
<lennart@poettering.net>
Mon, 5 Jan 2015 00:40:51 +0000
(
01:40
+0100)
src/core/cgroup.c
patch
|
blob
|
history
diff --git
a/src/core/cgroup.c
b/src/core/cgroup.c
index 35b862d5c2ff14d7bd6c84d8ecad0531a4ed8c8b..3d5d8898b69bd323532277cb81d0d28103b739de 100644
(file)
--- a/
src/core/cgroup.c
+++ b/
src/core/cgroup.c
@@
-200,7
+200,8
@@
static int whitelist_device(const char *path, const char *node, const char *acc)
r = cg_set_attribute("devices", path, "devices.allow", buf);
if (r < 0)
r = cg_set_attribute("devices", path, "devices.allow", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS, -EINVAL) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set devices.allow on %s: %m", path);
return r;
}
return r;
}
@@
-270,7
+271,8
@@
static int whitelist_major(const char *path, const char *name, char type, const
r = cg_set_attribute("devices", path, "devices.allow", buf);
if (r < 0)
r = cg_set_attribute("devices", path, "devices.allow", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS, -EINVAL) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set devices.allow on %s: %m", path);
}
return 0;
}
return 0;
@@
-294,6
+296,10
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
* hence silently ignore */
is_root = isempty(path) || path_equal(path, "/");
* hence silently ignore */
is_root = isempty(path) || path_equal(path, "/");
+ /* We generally ignore errors caused by read-only mounted
+ * cgroup trees (assuming we are running in a container then),
+ * and missing cgroups, i.e. EROFS and ENOENT. */
+
if ((mask & CGROUP_CPU) && !is_root) {
char buf[MAX(DECIMAL_STR_MAX(unsigned long), DECIMAL_STR_MAX(usec_t)) + 1];
if ((mask & CGROUP_CPU) && !is_root) {
char buf[MAX(DECIMAL_STR_MAX(unsigned long), DECIMAL_STR_MAX(usec_t)) + 1];
@@
-302,12
+308,14
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
c->cpu_shares != (unsigned long) -1 ? c->cpu_shares : 1024);
r = cg_set_attribute("cpu", path, "cpu.shares", buf);
if (r < 0)
c->cpu_shares != (unsigned long) -1 ? c->cpu_shares : 1024);
r = cg_set_attribute("cpu", path, "cpu.shares", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.shares on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set cpu.shares on %s: %m", path);
sprintf(buf, USEC_FMT "\n", CGROUP_CPU_QUOTA_PERIOD_USEC);
r = cg_set_attribute("cpu", path, "cpu.cfs_period_us", buf);
if (r < 0)
sprintf(buf, USEC_FMT "\n", CGROUP_CPU_QUOTA_PERIOD_USEC);
r = cg_set_attribute("cpu", path, "cpu.cfs_period_us", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_period_us on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set cpu.cfs_period_us on %s: %m", path);
if (c->cpu_quota_per_sec_usec != USEC_INFINITY) {
sprintf(buf, USEC_FMT "\n", c->cpu_quota_per_sec_usec * CGROUP_CPU_QUOTA_PERIOD_USEC / USEC_PER_SEC);
if (c->cpu_quota_per_sec_usec != USEC_INFINITY) {
sprintf(buf, USEC_FMT "\n", c->cpu_quota_per_sec_usec * CGROUP_CPU_QUOTA_PERIOD_USEC / USEC_PER_SEC);
@@
-315,7
+323,8
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
} else
r = cg_set_attribute("cpu", path, "cpu.cfs_quota_us", "-1");
if (r < 0)
} else
r = cg_set_attribute("cpu", path, "cpu.cfs_quota_us", "-1");
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_quota_us on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set cpu.cfs_quota_us on %s: %m", path);
}
if (mask & CGROUP_BLKIO) {
}
if (mask & CGROUP_BLKIO) {
@@
-330,7
+339,8
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
c->blockio_weight != (unsigned long) -1 ? c->blockio_weight : 1000);
r = cg_set_attribute("blkio", path, "blkio.weight", buf);
if (r < 0)
c->blockio_weight != (unsigned long) -1 ? c->blockio_weight : 1000);
r = cg_set_attribute("blkio", path, "blkio.weight", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set blkio.weight on %s: %m", path);
/* FIXME: no way to reset this list */
LIST_FOREACH(device_weights, w, c->blockio_device_weights) {
/* FIXME: no way to reset this list */
LIST_FOREACH(device_weights, w, c->blockio_device_weights) {
@@
-343,7
+353,8
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
sprintf(buf, "%u:%u %lu", major(dev), minor(dev), w->weight);
r = cg_set_attribute("blkio", path, "blkio.weight_device", buf);
if (r < 0)
sprintf(buf, "%u:%u %lu", major(dev), minor(dev), w->weight);
r = cg_set_attribute("blkio", path, "blkio.weight_device", buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight_device on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set blkio.weight_device on %s: %m", path);
}
}
}
}
@@
-361,7
+372,8
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
sprintf(buf, "%u:%u %" PRIu64 "\n", major(dev), minor(dev), b->bandwidth);
r = cg_set_attribute("blkio", path, a, buf);
if (r < 0)
sprintf(buf, "%u:%u %" PRIu64 "\n", major(dev), minor(dev), b->bandwidth);
r = cg_set_attribute("blkio", path, a, buf);
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set %s on %s: %s", a, path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set %s on %s: %m", a, path);
}
}
}
}
@@
-375,18
+387,24
@@
void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
r = cg_set_attribute("memory", path, "memory.limit_in_bytes", "-1");
if (r < 0)
r = cg_set_attribute("memory", path, "memory.limit_in_bytes", "-1");
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set memory.limit_in_bytes on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to set memory.limit_in_bytes on %s: %m", path);
}
if ((mask & CGROUP_DEVICE) && !is_root) {
CGroupDeviceAllow *a;
}
if ((mask & CGROUP_DEVICE) && !is_root) {
CGroupDeviceAllow *a;
+ /* Changing the devices list of a populated cgroup
+ * might result in EINVAL, hence ignore EINVAL
+ * here. */
+
if (c->device_allow || c->device_policy != CGROUP_AUTO)
r = cg_set_attribute("devices", path, "devices.deny", "a");
else
r = cg_set_attribute("devices", path, "devices.allow", "a");
if (r < 0)
if (c->device_allow || c->device_policy != CGROUP_AUTO)
r = cg_set_attribute("devices", path, "devices.deny", "a");
else
r = cg_set_attribute("devices", path, "devices.allow", "a");
if (r < 0)
- log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to reset devices.list on %s: %s", path, strerror(-r));
+ log_full_errno(IN_SET(r, -ENOENT, -EROFS, -EINVAL) ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to reset devices.list on %s: %m", path);
if (c->device_policy == CGROUP_CLOSED ||
(c->device_policy == CGROUP_AUTO && c->device_allow)) {
if (c->device_policy == CGROUP_CLOSED ||
(c->device_policy == CGROUP_AUTO && c->device_allow)) {