提交 2d2063ce 编写于 作者: C Coywolf Qi Hunt 提交者: Linus Torvalds

[PATCH] md: remove unnecessary variable x in stripe_to_pdidx()

Signed-off-by: NCoywolf Qi Hunt <qiyong@freeforge.net>
Signed-off-by: NNeil Brown <neilb@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 9b1d1dac
......@@ -1351,10 +1351,9 @@ static int page_is_zero(struct page *p)
static int stripe_to_pdidx(sector_t stripe, raid5_conf_t *conf, int disks)
{
int sectors_per_chunk = conf->chunk_size >> 9;
sector_t x = stripe;
int pd_idx, dd_idx;
int chunk_offset = sector_div(x, sectors_per_chunk);
stripe = x;
int chunk_offset = sector_div(stripe, sectors_per_chunk);
raid5_compute_sector(stripe*(disks-1)*sectors_per_chunk
+ chunk_offset, disks, disks-1, &dd_idx, &pd_idx, conf);
return pd_idx;
......
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