* [PATCH 2/8] drivers/block/xen-blkback:Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page().
@ 2012-07-30 7:23 majianpeng
0 siblings, 0 replies; only message in thread
From: majianpeng @ 2012-07-30 7:23 UTC (permalink / raw)
To: axboe, konrad.wilk, chris.mason, viro, tytso, adilger.kernel,
shaggy, mfasheh, jlbec, bpm, elder
Cc: jfs-discussion, linux-kernel, xfs, linux-fsdevel, linux-ext4,
linux-btrfs
Because call bio_alloc, the bi_rw is zero by default,but in
bio_add_page used the bi_rw. So evalue bi_rw.
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
---
drivers/block/xen-blkback/blkback.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 73f196c..02ca290 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -701,6 +701,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
bio->bi_private = pending_req;
bio->bi_end_io = end_block_io_op;
bio->bi_sector = preq.sector_number;
+ bio->bi_rw = operation;
}
preq.sector_number += seg[i].nsec;
--
1.7.9.5
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