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-rw-r--r--drivers/mtd/ubi/ubi.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 37469805591d..98e5dac677ee 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -267,6 +267,21 @@ struct ubi_fm_pool {
};
/**
+ * struct ubi_eba_leb_desc - EBA logical eraseblock descriptor
+ * @lnum: the logical eraseblock number
+ * @pnum: the physical eraseblock where the LEB can be found
+ *
+ * This structure is here to hide EBA's internal from other part of the
+ * UBI implementation.
+ *
+ * One can query the position of a LEB by calling ubi_eba_get_ldesc().
+ */
+struct ubi_eba_leb_desc {
+ int lnum;
+ int pnum;
+};
+
+/**
* struct ubi_volume - UBI volume description data structure.
* @dev: device object to make use of the the Linux device model
* @cdev: character device object to create character device
@@ -849,6 +864,8 @@ static inline bool ubi_leb_valid(struct ubi_volume *vol, int lnum)
}
/* eba.c */
+void ubi_eba_get_ldesc(struct ubi_volume *vol, int lnum,
+ struct ubi_eba_leb_desc *ldesc);
bool ubi_eba_is_mapped(struct ubi_volume *vol, int lnum);
int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
int lnum);