md/raid1:Remove unnecessary rcu_dereference(conf->mirrors[i].rdev).
Because rde->nr_pending > 0,so can not remove this disk. And in any case, we aren't holding rcu_read_lock() Signed-off-by: majianpeng <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
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@ -2386,8 +2386,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp
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int ok = 1;
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for (i = 0 ; i < conf->raid_disks * 2 ; i++)
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if (r1_bio->bios[i]->bi_end_io == end_sync_write) {
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struct md_rdev *rdev =
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rcu_dereference(conf->mirrors[i].rdev);
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struct md_rdev *rdev = conf->mirrors[i].rdev;
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ok = rdev_set_badblocks(rdev, sector_nr,
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min_bad, 0
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) && ok;
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