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block: switch bios to blk_status_t

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Replace bi_error with a new bi_status to allow for a clear conversion.
Note that device mapper overloaded bi_error with a private value, which
we'll have to keep arround at least for now and thus propagate to a
proper blk_status_t value.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2017-06-03 09:38:06 +02:00
committed by Jens Axboe
parent fc17b6534e
commit 4e4cbee93d
106 changed files with 625 additions and 603 deletions
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3
fs/mpage.c
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@@ -50,7 +50,8 @@ static void mpage_end_io(struct bio *bio)
bio_for_each_segment_all(bv, bio, i) {
struct page *page = bv->bv_page;
page_endio(page, op_is_write(bio_op(bio)), bio->bi_error);
page_endio(page, op_is_write(bio_op(bio)),
blk_status_to_errno(bio->bi_status));
}
bio_put(bio);