(Re)read pageset2 data when cancelling a suspend after the atomic copy,
or when resuming.
Signed-off-by: Nigel Cunningham <[email protected]>
kernel/power/io.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/kernel/power/io.c b/kernel/power/io.c
index cd99bd8..6a8badf 100644
--- a/kernel/power/io.c
+++ b/kernel/power/io.c
@@ -971,3 +971,27 @@ out:
return output_buffer;
}
+/* read_pageset2()
+ *
+ * Description: Read in part or all of pageset2 of an image, depending upon
+ * whether we are suspending and have only overwritten a portion
+ * with pageset1 pages, or are resuming and need to read them
+ * all.
+ * Arguments: Int. Boolean. Read only pages which would have been
+ * overwritten by pageset1?
+ * Returns: Int. Zero if no error, otherwise the error value.
+ */
+int read_pageset2(int overwrittenpagesonly)
+{
+ int result = 0;
+
+ if (!pagedir2.pageset_size)
+ return 0;
+
+ result = read_pageset(&pagedir2, 2, overwrittenpagesonly);
+
+ suspend_update_status(100, 100, NULL);
+ suspend_cond_pause(1, "Pagedir 2 read.");
+
+ return result;
+}
--
Nigel Cunningham nigel at suspend2 dot net
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