UBI: introduce new constants
This patch is a clean-up and a preparation for the following
patches. It introduece constants for the return values of the
'ubi_eba_copy_leb()' function.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 749007e..fd9b20d 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -100,6 +100,22 @@
UBI_IO_BITFLIPS
};
+/*
+ * Return codes of the 'ubi_eba_copy_leb()' function.
+ *
+ * MOVE_CANCEL_RACE: canceled because the volume is being deleted, the source
+ * PEB was put meanwhile, or there is I/O on the source PEB
+ * MOVE_TARGET_WR_ERR: canceled because there was a write error to the target
+ * PEB
+ * MOVE_CANCEL_BITFLIPS: canceled because a bit-flip was detected in the
+ * target PEB
+ */
+enum {
+ MOVE_CANCEL_RACE = 1,
+ MOVE_TARGET_WR_ERR,
+ MOVE_CANCEL_BITFLIPS,
+};
+
/**
* struct ubi_wl_entry - wear-leveling entry.
* @u.rb: link in the corresponding (free/used) RB-tree