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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>
This commit is contained in:
Mikulas Patocka 2009-06-22 10:12:22 +01:00 committed by Alasdair G Kergon
parent 52b1fd5a27
commit 433bcac564
1 changed files with 3 additions and 1 deletions
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4
drivers/md/dm-linear.c
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@ -53,6 +53,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad;
}
ti->num_flush_requests = 1;
ti->private = lc;
return 0;
@ -81,7 +82,8 @@ static void linear_map_bio(struct dm_target *ti, struct bio *bio)
struct linear_c *lc = ti->private;
bio->bi_bdev = lc->dev->bdev;
bio->bi_sector = linear_map_sector(ti, bio->bi_sector);
if (bio_sectors(bio))
bio->bi_sector = linear_map_sector(ti, bio->bi_sector);
}
static int linear_map(struct dm_target *ti, struct bio *bio,