Dump notification additions, similar to panic lists, but for dump
specific modules (per design).
sys.c | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+)
diff -Naur linux-2.5.41.orig/kernel/sys.c linux-2.5.41.lkcd/kernel/sys.c
--- linux-2.5.41.orig/kernel/sys.c Mon Oct 7 11:23:25 2002
+++ linux-2.5.41.lkcd/kernel/sys.c Tue Oct 8 02:16:22 2002
@@ -20,6 +20,7 @@
#include <linux/device.h>
#include <linux/times.h>
#include <linux/security.h>
+#include <linux/dump.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -76,6 +77,7 @@
*/
static struct notifier_block *reboot_notifier_list;
+struct notifier_block *dump_notifier_list;
rwlock_t notifier_lock = RW_LOCK_UNLOCKED;
/**
@@ -194,6 +196,37 @@
return notifier_chain_unregister(&reboot_notifier_list, nb);
}
+/**
+ * register_dump_notifier - Register function to be called at dump time
+ * @nb: Info about notifier function to be called
+ *
+ * Registers a function with the list of functions
+ * to be called at dump time.
+ *
+ * Currently always returns zero, as notifier_chain_register
+ * always returns zero.
+ */
+
+int register_dump_notifier(struct notifier_block * nb)
+{
+ return notifier_chain_register(&dump_notifier_list, nb);
+}
+
+/**
+ * unregister_dump_notifier - Unregister previously registered dump notifier
+ * @nb: Hook to be unregistered
+ *
+ * Unregisters a previously registered dump
+ * notifier function.
+ *
+ * Returns zero on success, or %-ENOENT on failure.
+ */
+
+int unregister_dump_notifier(struct notifier_block * nb)
+{
+ return notifier_chain_unregister(&dump_notifier_list, nb);
+}
+
asmlinkage long sys_ni_syscall(void)
{
return -ENOSYS;
@@ -1382,3 +1415,6 @@
EXPORT_SYMBOL(unregister_reboot_notifier);
EXPORT_SYMBOL(in_group_p);
EXPORT_SYMBOL(in_egroup_p);
+EXPORT_SYMBOL(register_dump_notifier);
+EXPORT_SYMBOL(unregister_dump_notifier);
+EXPORT_SYMBOL(dump_notifier_list);
-
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:38 EST