dm: linear support flush
Flush support for the linear target. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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@ -53,6 +53,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
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goto bad;
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}
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ti->num_flush_requests = 1;
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ti->private = lc;
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return 0;
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@ -81,6 +82,7 @@ static void linear_map_bio(struct dm_target *ti, struct bio *bio)
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struct linear_c *lc = ti->private;
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bio->bi_bdev = lc->dev->bdev;
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if (bio_sectors(bio))
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bio->bi_sector = linear_map_sector(ti, bio->bi_sector);
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}
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