[PATCH] md: reformat code in raid1_end_write_request to avoid goto
A recent change made this goto unnecessary, so reformat the code to make it clearer what is happening. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -374,26 +374,26 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
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* already.
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* already.
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*/
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*/
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if (atomic_dec_and_test(&r1_bio->remaining)) {
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if (atomic_dec_and_test(&r1_bio->remaining)) {
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if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
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if (test_bit(R1BIO_BarrierRetry, &r1_bio->state))
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reschedule_retry(r1_bio);
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reschedule_retry(r1_bio);
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goto out;
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else {
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/* it really is the end of this request */
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if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
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/* free extra copy of the data pages */
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int i = bio->bi_vcnt;
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while (i--)
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safe_put_page(bio->bi_io_vec[i].bv_page);
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}
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/* clear the bitmap if all writes complete successfully */
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bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector,
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r1_bio->sectors,
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!test_bit(R1BIO_Degraded, &r1_bio->state),
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behind);
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md_write_end(r1_bio->mddev);
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raid_end_bio_io(r1_bio);
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}
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}
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/* it really is the end of this request */
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if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
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/* free extra copy of the data pages */
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int i = bio->bi_vcnt;
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while (i--)
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safe_put_page(bio->bi_io_vec[i].bv_page);
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}
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/* clear the bitmap if all writes complete successfully */
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bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector,
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r1_bio->sectors,
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!test_bit(R1BIO_Degraded, &r1_bio->state),
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behind);
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md_write_end(r1_bio->mddev);
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raid_end_bio_io(r1_bio);
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}
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}
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out:
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if (to_put)
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if (to_put)
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bio_put(to_put);
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bio_put(to_put);
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