From: Jason Yan <yanaijie@huawei.com>
Date: Tue, 29 Sep 2020 06:47:59 +0000 (+0800)
Subject: md/raid0: remove unused function is_io_in_chunk_boundary()
X-Git-Tag: v5.10-rc1~165^2^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d7a1c483f797fb92c091e66b6a6e941f766b84e0;p=thirdparty%2Fkernel%2Flinux.git

md/raid0: remove unused function is_io_in_chunk_boundary()

This function is no longger needed after commit 20d0189b1012 ("block:
Introduce new bio_split()").

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
---

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index e2de0cced7072..6f44177593a55 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -426,23 +426,6 @@ static void raid0_free(struct mddev *mddev, void *priv)
 	kfree(conf);
 }
 
-/*
- * Is io distribute over 1 or more chunks ?
-*/
-static inline int is_io_in_chunk_boundary(struct mddev *mddev,
-			unsigned int chunk_sects, struct bio *bio)
-{
-	if (likely(is_power_of_2(chunk_sects))) {
-		return chunk_sects >=
-			((bio->bi_iter.bi_sector & (chunk_sects-1))
-					+ bio_sectors(bio));
-	} else{
-		sector_t sector = bio->bi_iter.bi_sector;
-		return chunk_sects >= (sector_div(sector, chunk_sects)
-						+ bio_sectors(bio));
-	}
-}
-
 static void raid0_handle_discard(struct mddev *mddev, struct bio *bio)
 {
 	struct r0conf *conf = mddev->private;