md/raid1: minor bio initialisation improvements.
When performing a resync we pre-allocate some bios and repeatedly use them. This requires us to re-initialise them each time. One field (bi_comp_cpu) and some flags weren't being initiaised reliably. Signed-off-by: NeilBrown <neilb@suse.de>
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@ -1839,7 +1839,9 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
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/* take from bio_init */
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bio->bi_next = NULL;
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bio->bi_flags &= ~(BIO_POOL_MASK-1);
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bio->bi_flags |= 1 << BIO_UPTODATE;
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bio->bi_comp_cpu = -1;
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bio->bi_rw = READ;
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bio->bi_vcnt = 0;
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bio->bi_idx = 0;
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