[PATCH] mtd: ubi: Remove unused ubi_flush

[PATCH] mtd: ubi: Remove unused ubi_flush

[linux]

From: "Dr. David Alan Gilbert" <linux@treblig.org>

ubi_flush() was added in 2012 as part of
commit 62f384552b67 ("UBI: modify ubi_wl_flush function to clear work queue
for a lnum")
but has remained unused.

(It's friend ubi_wl_flush() is still used)

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 drivers/mtd/ubi/kapi.c  | 27 ---------------------------
 include/linux/mtd/ubi.h |  1 -
 2 files changed, 28 deletions(-)

diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index f1ea8677467f..df0a5a57b072 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -791,33 +791,6 @@ int ubi_sync(int ubi_num)
 }
 EXPORT_SYMBOL_GPL(ubi_sync);
 
-/**
- * ubi_flush - flush UBI work queue.
- * @ubi_num: UBI device to flush work queue
- * @vol_id: volume id to flush for
- * @lnum: logical eraseblock number to flush for
- *
- * This function executes all pending works for a particular volume id / logical
- * eraseblock number pair. If either value is set to %UBI_ALL, then it acts as
- * a wildcard for all of the corresponding volume numbers or logical
- * eraseblock numbers. It returns zero in case of success and a negative error
- * code in case of failure.
- */
-int ubi_flush(int ubi_num, int vol_id, int lnum)
-{
-	struct ubi_device *ubi;
-	int err = 0;
-
-	ubi = ubi_get_device(ubi_num);
-	if (!ubi)
-		return -ENODEV;
-
-	err = ubi_wl_flush(ubi, vol_id, lnum);
-	ubi_put_device(ubi);
-	return err;
-}
-EXPORT_SYMBOL_GPL(ubi_flush);
-
 BLOCKING_NOTIFIER_HEAD(ubi_notifiers);
 
 /**
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index 562f92504f2b..c3f79c4be1cc 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -250,7 +250,6 @@ int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
 int ubi_leb_map(struct ubi_volume_desc *desc, int lnum);
 int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
 int ubi_sync(int ubi_num);
-int ubi_flush(int ubi_num, int vol_id, int lnum);
 
 /*
  * This function is the same as the 'ubi_leb_read()' function, but it does not
-- 
2.49.0


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