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orangefs: turn param response value into union

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This will support a upcoming request where two related values need to be
updated atomically.

This was done without a union in the OrangeFS server source already. Since
that will break the kernel protocol, it has been fixed there and done here
in a way that does not break the kernel protocol.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
This commit is contained in:
Martin Brandenburg
2016-08-02 16:33:34 -04:00
parent a6dff80a96
commit 680908e504
3 changed files with 11 additions and 7 deletions
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8
fs/orangefs/orangefs-sysfs.c
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@@ -949,10 +949,8 @@ static int sysfs_service_op_show(char *kobj_id, char *buf, void *attr)
out:
if (!rc) {
if (strcmp(kobj_id, PC_KOBJ_ID)) {
rc = scnprintf(buf,
PAGE_SIZE,
"%d\n",
(int)new_op->downcall.resp.param.value);
rc = scnprintf(buf, PAGE_SIZE, "%d\n",
(int)new_op->downcall.resp.param.u.value64);
} else {
rc = scnprintf(
buf,
@@ -1277,7 +1275,7 @@ static int sysfs_service_op_store(char *kobj_id, const char *buf, void *attr)
new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_SET;
new_op->upcall.req.param.value = val;
new_op->upcall.req.param.u.value64 = val;
/*
* The service_operation will return a errno return code on