* [PATCH 3/8]fs/btrfs: Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page().
@ 2012-07-30 7:24 majianpeng
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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/btrfs/check-integrity.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 9197e2e..25440aa 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -1700,6 +1700,7 @@ static int btrfsic_read_block(struct btrfsic_state *state,
bio->bi_sector = dev_bytenr >> 9;
bio->bi_end_io = btrfsic_complete_bio_end_io;
bio->bi_private = &complete;
+ bio->bi_rw = READ;
for (j = i; j < num_pages; j++) {
ret = bio_add_page(bio, block_ctx->pagev[j],
--
1.7.9.5
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2012-07-30 7:24 [PATCH 3/8]fs/btrfs: Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page() majianpeng
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