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authorChristoph Hellwig <hch@lst.de>2015-10-05 09:31:12 +0200
committerNeilBrown <neilb@suse.com>2015-11-01 13:48:28 +1100
commit1e932a37ccb9ad1984823dead4b48902fc5789f4 (patch)
tree519364838307c95871f0e6d983adcc123d709a06 /drivers/md/raid5-cache.c
parentb349feb36cc2b7ed41a5222a0b681153f3525369 (diff)
raid5-cache: take rdev->data_offset into account early on
Set up bi_sector properly when we allocate an bio instead of updating it at submission time. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md/raid5-cache.c')
-rw-r--r--drivers/md/raid5-cache.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 59a4640f09e5..2ac93fbc31eb 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -269,11 +269,8 @@ static void r5l_submit_current_io(struct r5l_log *log)
__r5l_set_io_unit_state(io, IO_UNIT_IO_START);
spin_unlock_irqrestore(&log->io_list_lock, flags);
- while ((bio = bio_list_pop(&io->bios))) {
- /* all IO must start from rdev->data_offset */
- bio->bi_iter.bi_sector += log->rdev->data_offset;
+ while ((bio = bio_list_pop(&io->bios)))
submit_bio(WRITE, bio);
- }
}
static struct bio *r5l_bio_alloc(struct r5l_log *log, struct r5l_io_unit *io)
@@ -282,7 +279,7 @@ static struct bio *r5l_bio_alloc(struct r5l_log *log, struct r5l_io_unit *io)
bio->bi_rw = WRITE;
bio->bi_bdev = log->rdev->bdev;
- bio->bi_iter.bi_sector = log->log_start;
+ bio->bi_iter.bi_sector = log->rdev->data_offset + log->log_start;
bio->bi_end_io = r5l_log_endio;
bio->bi_private = io;