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[PATCH] md: make 'repair' actually work for raid1

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When 'repair' finds a block that is different one the various parts of the
mirror.  it is meant to write a chosen good version to the others.  However it
currently writes out the original data to each.  The memcpy to make all the
data the same is missing.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
NeilBrown 2007-01-26 00:57:01 -08:00 committed by Linus Torvalds
parent 524418bb8e
commit 3eda22d19b
1 changed files with 5 additions and 0 deletions
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5
drivers/md/raid1.c
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@ -1266,6 +1266,11 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
sbio->bi_sector = r1_bio->sector +
conf->mirrors[i].rdev->data_offset;
sbio->bi_bdev = conf->mirrors[i].rdev->bdev;
for (j = 0; j < vcnt ; j++)
memcpy(page_address(sbio->bi_io_vec[j].bv_page),
page_address(pbio->bi_io_vec[j].bv_page),
PAGE_SIZE);
}
}
}