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md/raid0: remove unused function is_io_in_chunk_boundary()

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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>
This commit is contained in:
Jason Yan 2020-09-29 14:47:59 +08:00 committed by Song Liu
parent b6bf0830a8
commit d7a1c483f7
1 changed files with 0 additions and 17 deletions
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17
drivers/md/raid0.c
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@ -426,23 +426,6 @@ static void raid0_free(struct mddev *mddev, void *priv)
kfree(conf); 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) static void raid0_handle_discard(struct mddev *mddev, struct bio *bio)
{ {
struct r0conf *conf = mddev->private; struct r0conf *conf = mddev->private;