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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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4
kernel/trace/blktrace.c
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@ -867,7 +867,7 @@ static void blk_add_trace_split(void *ignore,
__blk_add_trace(bt, bio->bi_iter.bi_sector,
bio->bi_iter.bi_size, bio_op(bio), bio->bi_opf,
BLK_TA_SPLIT, bio->bi_error, sizeof(rpdu),
BLK_TA_SPLIT, bio->bi_status, sizeof(rpdu),
&rpdu);
}
}
@ -900,7 +900,7 @@ static void blk_add_trace_bio_remap(void *ignore,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_error,
bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_status,
sizeof(r), &r);
}