Intended to be used to abort all SUNRPC operations. For example in case of
fast stop with unreachable network.
Signed-off-by: Stanislav Kinsburskiy <skinsbur...@virtuozzo.com>
---
include/linux/ve.h | 3 +++
kernel/ve/ve.c | 15 ++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/linux/ve.h b/include/linux/ve.h
index 2d8eca6..0eb893d 100644
--- a/include/linux/ve.h
+++ b/include/linux/ve.h
@@ -122,6 +122,9 @@ struct ve_struct {
int netns_max_nr;
atomic_t netif_avail_nr;
int netif_max_nr;
+
+ bool sunrpc_abort;
+
/* Number of mounts. May become unbalanced if VE0 mounts something
* and the VE unmounts it. This is acceptable.
*/
diff --git a/kernel/ve/ve.c b/kernel/ve/ve.c
index 7cb47fa..7bb02e2 100644
--- a/kernel/ve/ve.c
+++ b/kernel/ve/ve.c
@@ -1216,6 +1216,7 @@ enum {
VE_CF_NETNS_NR,
VE_CF_NETIF_MAX_NR,
VE_CF_NETIF_NR,
+ VE_CF_SUNRPC_ABORT,
};
static int ve_ts_read(struct cgroup *cg, struct cftype *cft, struct seq_file
*m)
@@ -1289,6 +1290,9 @@ static u64 ve_read_u64(struct cgroup *cg, struct cftype
*cft)
return cgroup_ve(cg)->netif_max_nr;
else if (cft->private == VE_CF_NETIF_NR)
return atomic_read(&cgroup_ve(cg)->netif_avail_nr);
+ else if (cft->private == VE_CF_SUNRPC_ABORT)
+ return cgroup_ve(cg)->sunrpc_abort;
+
return 0;
}
@@ -1380,7 +1384,9 @@ static int _ve_write_u64(struct cgroup *cg, struct cftype
*cft,
ve->netif_max_nr = value;
atomic_add(delta, &ve->netif_avail_nr);
- }
+ } else if (cft->private == VE_CF_SUNRPC_ABORT)
+ ve->sunrpc_abort = (bool)value;
+
up_write(&ve->op_sem);
return 0;
}
@@ -1497,6 +1503,13 @@ static struct cftype ve_cftypes[] = {
.read_u64 = ve_read_u64,
.private = VE_CF_NETIF_NR,
},
+ {
+ .name = "sunrpc_abort",
+ .flags = CFTYPE_NOT_ON_ROOT,
+ .read_u64 = ve_read_u64,
+ .write_u64 = ve_write_running_u64,
+ .private = VE_CF_SUNRPC_ABORT,
+ },
{ }
};
_______________________________________________
Devel mailing list
Devel@openvz.org
https://lists.openvz.org/mailman/listinfo/devel
