From: Jason Yan <yanaijie@huawei.com>
To: <song@kernel.org>, <axboe@kernel.dk>, <linux-raid@vger.kernel.org>
Cc: Jason Yan <yanaijie@huawei.com>
Subject: [PATCH] md/raid0: remove unused function is_io_in_chunk_boundary()
Date: Tue, 29 Sep 2020 14:47:59 +0800 [thread overview]
Message-ID: <20200929064759.3605064-1-yanaijie@huawei.com> (raw)
This function is no longger needed after commit 20d0189b1012 ("block:
Introduce new bio_split()").
Signed-off-by: Jason Yan <yanaijie@huawei.com>
---
drivers/md/raid0.c | 17 -----------------
1 file changed, 17 deletions(-)
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index aa2d72791768..35843df15b5e 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;
--
2.25.4
next reply other threads:[~2020-09-29 6:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 6:47 Jason Yan [this message]
2020-09-30 23:26 ` [PATCH] md/raid0: remove unused function is_io_in_chunk_boundary() Song Liu
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