[Suspend2][ 7/9] [Suspend2] Extent state to the start.

Reset an extent state to the start of the data.

Signed-off-by: Nigel Cunningham <[email protected]>

 kernel/power/extent.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/kernel/power/extent.c b/kernel/power/extent.c
index 8cbb48a..248e4de 100644
--- a/kernel/power/extent.c
+++ b/kernel/power/extent.c
@@ -249,3 +249,14 @@ unsigned long suspend_extent_state_next(
 	return state->current_offset;
 }
 
+/* suspend_extent_state_goto_start
+ *
+ * Find the first valid value in a group of chains.
+ */
+void suspend_extent_state_goto_start(struct extent_iterate_state *state)
+{
+	state->current_chain = -1;
+	state->current_extent = NULL;
+	state->current_offset = 0;
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net
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---

• References:
  • [Suspend2][ 0/9] Extents support.
    • From: Nigel Cunningham <[email protected]>

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