Hello,
I'm trying to compile IBM GPFS(2.3.0-15) Portability Layer with a 2.6.16
kernel (2.6.16-1.2289_FC6-xen-i686). The compiler stops with
the error message below:
kdump-kern.c:163: error: `PIDTYPE_TGID' undeclared (first use in this
function)
As I think, this is because of the PIDTYPE_TGID patch.
I don't want to get out that patch from the kernel , if there's
a more simple solution.
I hope you can suggest me a solution for the three lines where PIDTYPE_TGID
appears (see below) in the source code.
I'm not subscribed, please CC me the answer!
Thank you very much.
Michael HÉDER
Here comes a part of /usr/lpp/mmfs/src/gpl-linux/kdump-kern.c, this is the
only function where PIDTYPE_TGID appears.
===========================================
/* Step to next thread in current task. If no more threads, step to
next task. If no more tasks, return false. */
static Boolean tiNext(struct threadIter *ti)
{
#if LINUX_KERNEL_VERSION >= 2060000
#if LINUX_KERNEL_VERSION < 2060900
unsigned long pidAddr, headAddr, nextAddr;
struct pid_link *linkP;
assert(ti->taskP != NULL);
linkP = &ti->threadP->pids[PIDTYPE_TGID];
pidAddr = (unsigned long) linkP->pidptr;
headAddr = pidAddr + offsetof(struct pid, task_list);
nextAddr = (unsigned long) linkP->pid_chain.next;
if (nextAddr == headAddr)
{
struct pid *pidP = GenericGet(pidAddr, sizeof(struct pid));
nextAddr = (unsigned long) pidP->task_list.next;
kFree(pidP);
}
#else
unsigned long nextAddr;
nextAddr = ti->threadP->pids[PIDTYPE_TGID].pid_list.next;
#endif
ti->threadAddr = (unsigned long) pid_task((struct list_head *) nextAddr,
PIDTYPE_TGID);
if (ti->threadAddr != ti->taskAddr)
{
if (ti->threadP != ti->taskP)
kFree(ti->threadP);
ti->threadP = GetTaskStruct(ti->threadAddr);
}
else
{
ti->taskAddr = ti->threadAddr = (unsigned long) NEXT_TASK(ti->taskP);
kFree(ti->taskP);
if (ti->threadP != ti->taskP)
kFree(ti->threadP);
ti->taskP = ti->threadP = (ti->taskAddr == TaskAddress) ?
NULL : GetTaskStruct(ti->taskAddr);
}
return ti->threadP != NULL;
#else
assert(ti->taskP != NULL);
ti->taskAddr = ti->threadAddr = (unsigned long) NEXT_TASK(ti->taskP);
kFree(ti->taskP);
ti->taskP = ti->threadP = (ti->taskAddr == TaskAddress) ?
NULL : GetTaskStruct(ti->taskAddr);
return ti->threadP != NULL;
#endif
}
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