* [PATCH 5/8]fs/ext4: Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page().
@ 2012-07-30 7:24 majianpeng
0 siblings, 0 replies; only message in thread
From: majianpeng @ 2012-07-30 7:24 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>
---
fs/ext4/page-io.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index dcdeef1..c875502 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -304,6 +304,7 @@ static int io_submit_init(struct ext4_io_submit *io,
io->io_bio = bio;
io->io_op = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
io->io_next_block = bh->b_blocknr;
+ bio->bi_rw = io->io_op;
return 0;
}
--
1.7.9.5
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